/* =====================================================
   TOOLS PAGE - MODERN CLEAN DESIGN
   Using unified theme variables for consistent design
   Full Light/Dark Theme Support - 2026 Edition
   ===================================================== */

/* ===== Theme Variables - Light Mode (Default) ===== */
:root {
    /* Backgrounds */
    --tools-bg-card: rgba(255, 255, 255, 0.85);
    --tools-bg-elevated: rgba(248, 250, 252, 0.95);
    --tools-bg-input: rgba(241, 245, 249, 0.9);
    --tools-bg-surface: #ffffff;
    
    /* Borders */
    --tools-border: rgba(0, 0, 0, 0.08);
    --tools-border-subtle: rgba(0, 0, 0, 0.05);
    --tools-border-hover: rgba(99, 102, 241, 0.4);
    
    /* Text Colors */
    --tools-text: #1e293b;
    --tools-text-muted: rgba(0, 0, 0, 0.55);
    --tools-text-subtle: rgba(0, 0, 0, 0.35);
    --tools-text-bright: #0f172a;
    --tools-text-light: rgba(0, 0, 0, 0.8);
    --tools-text-placeholder: rgba(0, 0, 0, 0.4);
    
    /* Accent Colors */
    --tools-accent: #6366f1;
    --tools-accent-hover: #4f46e5;
    --tools-accent-glow: rgba(99, 102, 241, 0.2);
    --tools-success: #10b981;
    --tools-danger: #ef4444;
    --tools-warning: #f59e0b;
    
    /* Shadows */
    --tools-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --tools-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --tools-shadow-hover: 0 16px 40px rgba(0, 0, 0, 0.12);
    
    /* Card Effects */
    --tools-card-gradient: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.02), transparent);
    --tools-upload-gradient: linear-gradient(135deg, rgba(241, 245, 249, 0.8), rgba(226, 232, 240, 0.9));
    --tools-hover-glow: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.05) 0%, transparent 60%);
    --tools-surface-gradient: linear-gradient(180deg, rgba(0, 0, 0, 0.01) 0%, transparent 100%);
    
    /* Scrollbar */
    --tools-scrollbar-thumb: rgba(0, 0, 0, 0.2);
    --tools-scrollbar-hover: rgba(0, 0, 0, 0.3);
}

/* ===== Dark Theme Variables ===== */
[data-bs-theme="dark"],
[data-theme="dark"],
.dark-mode {
    /* Backgrounds */
    --tools-bg-card: rgba(22, 21, 35, 0.85);
    --tools-bg-elevated: rgba(30, 29, 45, 0.9);
    --tools-bg-input: rgba(15, 14, 26, 0.8);
    --tools-bg-surface: #1a1a2e;
    
    /* Borders */
    --tools-border: rgba(255, 255, 255, 0.08);
    --tools-border-subtle: rgba(255, 255, 255, 0.05);
    --tools-border-hover: rgba(99, 102, 241, 0.4);
    
    /* Text Colors */
    --tools-text: #f5f5f5;
    --tools-text-muted: rgba(255, 255, 255, 0.65);
    --tools-text-subtle: rgba(255, 255, 255, 0.35);
    --tools-text-bright: #ffffff;
    --tools-text-light: rgba(255, 255, 255, 0.9);
    --tools-text-placeholder: rgba(255, 255, 255, 0.3);
    
    /* Accent Colors */
    --tools-accent: #818cf8;
    --tools-accent-hover: #a78bfa;
    --tools-accent-glow: rgba(99, 102, 241, 0.25);
    --tools-success: #10b981;
    --tools-danger: #ef4444;
    --tools-warning: #f59e0b;
    
    /* Shadows */
    --tools-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
    --tools-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    --tools-shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.5);
    
    /* Card Effects */
    --tools-card-gradient: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    --tools-upload-gradient: linear-gradient(135deg, rgba(30, 29, 45, 0.6), rgba(22, 21, 35, 0.8));
    --tools-hover-glow: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
    --tools-surface-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
    
    /* Scrollbar */
    --tools-scrollbar-thumb: rgba(255, 255, 255, 0.2);
    --tools-scrollbar-hover: rgba(255, 255, 255, 0.3);
}

/* ===== Prefers Dark Color Scheme ===== */
@media (prefers-color-scheme: dark) {
    :root:not([data-bs-theme="light"]):not([data-theme="light"]) {
        /* Backgrounds */
        --tools-bg-card: rgba(22, 21, 35, 0.85);
        --tools-bg-elevated: rgba(30, 29, 45, 0.9);
        --tools-bg-input: rgba(15, 14, 26, 0.8);
        --tools-bg-surface: #1a1a2e;
        
        /* Borders */
        --tools-border: rgba(255, 255, 255, 0.08);
        --tools-border-subtle: rgba(255, 255, 255, 0.05);
        --tools-border-hover: rgba(99, 102, 241, 0.4);
        
        /* Text Colors */
        --tools-text: #f5f5f5;
        --tools-text-muted: rgba(255, 255, 255, 0.65);
        --tools-text-subtle: rgba(255, 255, 255, 0.35);
        --tools-text-bright: #ffffff;
        --tools-text-light: rgba(255, 255, 255, 0.9);
        --tools-text-placeholder: rgba(255, 255, 255, 0.3);
        
        /* Accent Colors */
        --tools-accent: #818cf8;
        --tools-accent-hover: #a78bfa;
        --tools-accent-glow: rgba(99, 102, 241, 0.25);
        
        /* Shadows */
        --tools-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
        --tools-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        --tools-shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.5);
        
        /* Card Effects */
        --tools-card-gradient: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
        --tools-upload-gradient: linear-gradient(135deg, rgba(30, 29, 45, 0.6), rgba(22, 21, 35, 0.8));
        --tools-hover-glow: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.08) 0%, transparent 60%);
        --tools-surface-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
        
        /* Scrollbar */
        --tools-scrollbar-thumb: rgba(255, 255, 255, 0.2);
        --tools-scrollbar-hover: rgba(255, 255, 255, 0.3);
    }
}

/* ===== Base Layout ===== */
.tools-page {
    padding: 0;
    margin: 0;
    min-height: 100vh;
}

/* ===== Page Header ===== */
.page-header {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    backdrop-filter: var(--glass-blur);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 20px 20px 0 0;
}

.header-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.header-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    box-shadow: 0 8px 20px var(--accent-purple-20);
    flex-shrink: 0;
}

.header-text {
    flex: 1;
}

.page-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.page-description {
    font-size: 1rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.6;
    max-width: 600px;
}

/* ===== Stats Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.stat-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-purple-10);
    color: var(--accent-purple);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.stat-info {
    flex: 1;
    min-width: 0;
}

.stat-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.125rem 0;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== Filter Controls ===== */
.filter-controls {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 140px;
}

.filter-group.search-group {
    flex: 1;
    min-width: 200px;
}

.filter-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.filter-label i {
    font-size: 0.625rem;
    opacity: 0.7;
}

.filter-input,
.filter-select {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 0.625rem 0.875rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all 0.2s ease;
    width: 100%;
}

.filter-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23a1a1aa' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1rem;
    padding-right: 2.5rem;
    appearance: none;
}

.filter-input:focus,
.filter-select:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px var(--accent-purple-10);
}

.filter-input::placeholder {
    color: var(--text-subtle);
}

.filter-clear-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 0.625rem 1rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.filter-clear-btn:hover {
    background: var(--accent-red);
    border-color: var(--accent-red);
    color: white;
}

/* ===== Active Filters ===== */
.active-filters {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--accent-purple-05);
    border: 1px solid var(--accent-purple-20);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
}

.active-filters-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    white-space: nowrap;
}

.active-filters-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    flex: 1;
}

.clear-filters-btn {
    background: none;
    border: none;
    color: var(--accent-purple);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.clear-filters-btn:hover {
    background: var(--accent-purple-10);
}

/* ===== Tools Sections ===== */
.tools-section {
    margin-bottom: 3rem;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.section-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    font-size: 1.125rem;
    box-shadow: 0 4px 12px var(--accent-purple-20);
    flex-shrink: 0;
}

.featured-icon {
    background: var(--gradient-warm);
    box-shadow: 0 4px 12px var(--accent-orange-20);
}

.category-icon {
    background: var(--gradient-primary);
    box-shadow: 0 4px 12px var(--accent-purple-20);
}

.section-info {
    flex: 1;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.25rem 0;
    line-height: 1.3;
}

.section-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
}

.section-badge {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
    white-space: nowrap;
}

.section-action {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.section-action:hover {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
    color: white;
    text-decoration: none;
}

.section-action i {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.section-action:hover i {
    transform: translateX(2px);
}

/* ===== Tools Grid ===== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* ===== Tool Cards ===== */
.tool-card {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    border-color: var(--border-medium);
}

/* Card Header */
.card-header {
    position: relative;
    background: var(--bg-secondary);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-light);
    min-height: 120px;
}

.tool-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--bg-elevated);
    position: relative;
}

.tool-icon-svg {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.tool-card:hover .tool-icon-svg {
    transform: scale(1.1);
}

.tool-badges {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    justify-content: flex-end;
}

.tool-badge {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 0.25rem 0.5rem;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    backdrop-filter: blur(8px);
}

.badge-new {
    color: var(--accent-green);
    border-color: var(--accent-green-20);
}

.badge-popular {
    color: var(--accent-orange);
    border-color: var(--accent-orange-20);
}

.badge-beta {
    color: var(--accent-cyan);
    border-color: var(--accent-cyan-20);
}

.badge-featured {
    color: var(--accent-yellow);
    border-color: var(--accent-yellow-20);
}

/* Card Body */
.card-body {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.tool-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    line-height: 1.4;
}

.tool-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0 0 1rem 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tool-meta {
    margin-bottom: 1rem;
}

.tool-category {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.tool-category i {
    font-size: 0.625rem;
    opacity: 0.8;
}

/* Card Footer */
.card-footer {
    padding: 1.25rem;
    padding-top: 0;
}

.tool-link {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
}

.tool-link:hover {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
}

.tool-link i {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.tool-link:hover i {
    transform: translateX(2px);
}

/* ===== Security Banner ===== */
.security-banner {
    background: linear-gradient(135deg, var(--accent-green-08), var(--accent-green-05));
    border: 1px solid var(--accent-green-20);
    border-radius: 16px;
    padding: 1.5rem;
    margin: 3rem 0;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.security-icon {
    width: 64px;
    height: 64px;
    background: var(--accent-green-15);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
    font-size: 1.75rem;
    flex-shrink: 0;
}

.security-content {
    flex: 1;
}

.security-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
}

.security-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

.security-features {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.security-feature {
    background: var(--accent-green-10);
    border: 1px solid var(--accent-green-20);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    color: var(--accent-green);
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    white-space: nowrap;
}

.security-feature i {
    font-size: 0.625rem;
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    background: var(--bg-secondary);
    border: 1px dashed var(--border-medium);
    border-radius: 16px;
    margin: 2rem 0;
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-elevated);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-subtle);
    font-size: 1.75rem;
    margin: 0 auto 1rem auto;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
}

.empty-state-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0 0 1.5rem 0;
    line-height: 1.5;
}

.empty-state-action {
    background: var(--accent-purple);
    border: none;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.empty-state-action:hover {
    background: var(--accent-pink);
    transform: translateY(-1px);
}

/* ===== Responsive Design ===== */

/* Tablet */
@media (max-width: 1024px) {
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 1.25rem;
    }
    
    .filter-controls {
        padding: 1.25rem;
    }
    
    .section-header {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .section-action {
        order: 3;
        flex: 1 0 100%;
        justify-content: center;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .page-header {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .page-title {
        font-size: 1.875rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .filter-controls {
        padding: 1rem;
        gap: 0.75rem;
    }
    
    .filter-group {
        min-width: 100%;
        flex: 1 0 100%;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        gap: 0.75rem;
    }
    
    .section-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .section-action {
        width: 100%;
        justify-content: center;
    }
    
    .security-banner {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding: 1.25rem;
    }
    
    .security-features {
        justify-content: center;
        gap: 0.75rem;
    }
    
    .empty-state {
        padding: 2rem 1rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .page-header {
        padding: 1rem;
        border-radius: 12px;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .card-header {
        padding: 1rem;
        min-height: 100px;
    }
    
    .tool-icon {
        width: 48px;
        height: 48px;
    }
    
    .card-body,
    .card-footer {
        padding: 1rem;
    }
    
    .card-footer {
        padding-top: 0;
    }
}

/* Animation for filtering */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Page Container (individual tools) ===== */
.tools-container {
    padding: 2rem 0;
}

/* ===== Hero/Header Section (individual tools) ===== */
.tool-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tool-header h1,
.tool-header .display-4 {
    color: var(--tools-text-bright) !important;
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: unset !important;
    text-shadow: 0 0 40px rgba(99, 102, 241, 0.3);
}

.tool-header p,
.tool-header .lead {
    color: var(--tools-text-muted) !important;
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Privacy Alert Badge ===== */
.alert-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(99, 102, 241, 0.1));
    border: 1px solid rgba(59, 130, 246, 0.25);
    color: var(--tools-text) !important;
    border-radius: 12px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.alert-info strong {
    color: var(--tools-text-bright) !important;
}

.alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15), rgba(16, 185, 129, 0.08));
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--tools-text) !important;
    border-radius: 12px;
}

/* ===== Section Titles ===== */
.tool-section-title {
    color: var(--tools-text-bright) !important;
    font-size: 1.5rem;
    font-weight: 700;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--tools-border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tool-section-title i {
    opacity: 0.9;
}

/* ===== Cards - Glassmorphism ===== */
.card {
    background: var(--tools-bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--tools-border);
    border-radius: 20px;
    box-shadow: var(--tools-shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--tools-card-gradient);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--tools-shadow-hover);
    border-color: var(--tools-border-hover);
}

.card-body {
    padding: 1.75rem;
    position: relative;
    z-index: 1;
}

.card-header,
.card-footer {
    background: transparent !important;
    border-color: var(--tools-border) !important;
    color: var(--tools-text);
}

.card-title {
    color: var(--tools-text-bright) !important;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-text {
    color: var(--tools-text-muted) !important;
}

/* ===== Feature Icons ===== */
.feature-icon-sm {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    border-radius: 14px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.feature-icon-sm.bg-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}

.feature-icon-sm.bg-primary {
    background: linear-gradient(135deg, #6366f1, #4f46e5) !important;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.feature-icon-sm.bg-dark {
    background: linear-gradient(135deg, #4b5563, #374151) !important;
    box-shadow: 0 4px 15px rgba(75, 85, 99, 0.3);
}

.card:hover .feature-icon-sm {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    color: var(--tools-text-bright);
}

p {
    color: var(--tools-text-muted);
}

.text-muted {
    color: var(--tools-text-muted) !important;
}

.text-dark {
    color: var(--tools-text) !important;
}

.text-success {
    color: var(--tools-success) !important;
}

.text-danger {
    color: var(--tools-danger) !important;
}

.text-warning {
    color: var(--tools-warning) !important;
}

.text-primary {
    color: var(--tools-accent) !important;
}

.text-info {
    color: #38bdf8 !important;
}

.text-white {
    color: var(--tools-text-bright) !important;
}

small {
    color: var(--tools-text-muted);
}

/* ===== Form Elements ===== */
.form-control,
.form-select {
    background-color: var(--tools-bg-input);
    border: 1px solid var(--tools-border);
    color: var(--tools-text) !important;
    border-radius: 12px;
    padding: 0.875rem 1.125rem;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--tools-bg-elevated);
    border-color: var(--tools-accent);
    box-shadow: 0 0 0 4px var(--tools-accent-glow);
    color: var(--tools-text-bright) !important;
    outline: none;
}

.form-control::placeholder {
    color: var(--tools-text-subtle);
}

.form-control[readonly] {
    background-color: var(--tools-bg-input);
    color: var(--tools-text) !important;
}

textarea.form-control {
    min-height: 120px;
}

/* Form Labels */
.form-label {
    color: var(--tools-text) !important;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Input Group */
.input-group-text {
    background-color: var(--tools-bg-elevated);
    border: 1px solid var(--tools-border);
    color: var(--tools-text);
    border-radius: 12px;
}

.input-group .form-control {
    border-radius: 12px;
}

.input-group > .form-control:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group > .btn:last-child,
.input-group > .input-group-text:last-child {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* Range Slider */
.form-range {
    height: 8px;
    background: transparent;
}

.form-range::-webkit-slider-runnable-track {
    background: var(--tools-border);
    border-radius: 4px;
    height: 8px;
}

.form-range::-webkit-slider-thumb {
    background: linear-gradient(135deg, var(--tools-accent), #a78bfa);
    border: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 10px var(--tools-accent-glow);
    margin-top: -6px;
}

/* Checkboxes */
.form-check-label {
    color: var(--tools-text) !important;
}

.form-check-input {
    background-color: var(--tools-bg-input);
    border: 2px solid var(--tools-border);
    width: 1.25em;
    height: 1.25em;
}

.form-check-input:checked {
    background-color: var(--tools-accent);
    border-color: var(--tools-accent);
    box-shadow: 0 0 12px var(--tools-accent-glow);
}

.form-check-input:focus {
    box-shadow: 0 0 0 4px var(--tools-accent-glow);
    border-color: var(--tools-accent);
}

/* ===== Upload Area ===== */
.upload-area,
#upload-area {
    background: var(--tools-upload-gradient);
    border: 2px dashed var(--tools-border) !important;
    border-radius: 20px;
    padding: 3rem 2rem;
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.upload-area::before,
#upload-area::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--tools-hover-glow);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.upload-area:hover,
#upload-area:hover {
    background: var(--tools-bg-elevated);
    border-color: var(--tools-accent) !important;
    transform: translateY(-4px);
    box-shadow: var(--tools-shadow-hover);
}

.upload-area:hover::before,
#upload-area:hover::before {
    opacity: 1;
}

.upload-area h5,
#upload-area h5 {
    color: var(--tools-text-bright) !important;
    margin-top: 1rem;
}

.upload-area p,
#upload-area p {
    color: var(--tools-text-muted) !important;
}

.upload-area i,
#upload-area i {
    transition: transform 0.4s ease, color 0.3s ease;
}

.upload-area:hover i,
#upload-area:hover i {
    transform: scale(1.15);
}

/* ===== Buttons ===== */
.btn {
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.45);
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid var(--tools-accent);
    color: var(--tools-accent);
}

.btn-outline-primary:hover {
    background: var(--tools-accent);
    color: white;
    box-shadow: 0 4px 15px var(--tools-accent-glow);
}

.btn-outline-secondary {
    background: transparent;
    border: 2px solid var(--tools-border);
    color: var(--tools-text);
}

.btn-outline-secondary:hover {
    background: var(--tools-bg-elevated);
    border-color: var(--tools-text-muted);
    color: var(--tools-text-bright);
}

.btn-outline-danger {
    border-color: var(--tools-danger);
    color: var(--tools-danger);
}

.btn-outline-danger:hover {
    background: var(--tools-danger);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-2px);
}

.btn-info {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    border: none;
    color: white;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* ===== List Group (File Lists) ===== */
.list-group-item {
    background-color: var(--tools-bg-elevated);
    border: 1px solid var(--tools-border);
    color: var(--tools-text) !important;
    border-radius: 12px !important;
    margin-bottom: 0.5rem;
    padding: 1rem 1.25rem;
    transition: all 0.3s ease;
}

.list-group-item:hover {
    background-color: rgba(99, 102, 241, 0.1);
    border-color: var(--tools-border-hover);
    transform: translateX(4px);
}

.list-group-item small {
    color: var(--tools-text-muted) !important;
}

/* ===== Password Generator ===== */
#password-output {
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    font-size: 1.4rem;
    letter-spacing: 3px;
    background: var(--tools-bg-input);
    border: 2px solid var(--tools-border);
    color: #a78bfa !important;
    text-shadow: 0 0 20px rgba(167, 139, 250, 0.4);
    text-align: center;
    padding: 1rem;
}

#password-output:focus {
    border-color: var(--tools-accent);
    box-shadow: 0 0 0 4px var(--tools-accent-glow);
}

/* Settings Card Inside */
.card .card.bg-light,
.card .bg-light {
    background: var(--tools-bg-elevated) !important;
    border: 1px solid var(--tools-border) !important;
    border-radius: 16px;
}

/* ===== QR Code Container ===== */
.qr-code-container,
#qr-code-container {
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    min-width: 220px;
    min-height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--tools-border) !important;
}

.qr-code-container span,
#qr-code-container span {
    color: #666 !important;
}

/* ===== JSON Formatter ===== */
.json-textarea,
#json-input,
#json-output {
    background: var(--tools-bg-input) !important;
    color: var(--tools-text) !important;
    border: none !important;
    border-radius: 0 !important;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    height: 600px;
    min-height: 500px;
    resize: none;
}

#json-input::placeholder {
    color: var(--tools-text-subtle);
}

#json-output.is-invalid {
    color: var(--tools-danger) !important;
}

/* JSON Header Bars */
.card-body .bg-light.border-bottom {
    background: var(--tools-bg-elevated) !important;
    border-color: var(--tools-border) !important;
    color: var(--tools-text-muted) !important;
    padding: 0.75rem 1rem !important;
}

/* ===== Background Overrides ===== */
.bg-light {
    background: var(--tools-bg-elevated) !important;
    color: var(--tools-text) !important;
}

.bg-white {
    background: var(--tools-bg-elevated) !important;
    color: var(--tools-text) !important;
}

.bg-transparent {
    background: transparent !important;
}

/* ===== Border Overrides ===== */
.border,
.border-dashed {
    border-color: var(--tools-border) !important;
}

.border-0 {
    border: none !important;
}

.border-primary {
    border-color: var(--tools-accent) !important;
}

.border-info {
    border-color: #38bdf8 !important;
}

.border-start-md {
    border-left: 1px solid var(--tools-border);
}

/* ===== Misc ===== */
.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.6;
}

.btn-close:hover {
    opacity: 1;
}

.btn-link {
    color: var(--tools-accent) !important;
}

.btn-link:hover {
    color: var(--tools-text-bright) !important;
}

a {
    color: var(--tools-accent);
    transition: color 0.3s ease;
}

a:hover {
    color: #a78bfa;
}

/* Back to Tools Link */
.card-footer a {
    color: var(--tools-text-muted) !important;
}

.card-footer a:hover {
    color: var(--tools-accent) !important;
}

/* ===== Tables ===== */
.table {
    color: var(--tools-text);
    border-color: var(--tools-border);
}

.table thead th {
    color: var(--tools-text-muted);
    border-bottom: 2px solid var(--tools-border);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

.table-hover tbody tr:hover {
    background-color: var(--tools-accent-glow);
    color: var(--tools-text-bright);
}

/* ===== Code Blocks ===== */
pre, code {
    background: var(--tools-bg-input);
    color: #a78bfa;
    border-radius: 8px;
    padding: 0.25rem 0.5rem;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

pre {
    padding: 1rem;
    border: 1px solid var(--tools-border);
}

/* ===== Badges ===== */
.badge {
    font-weight: 500;
    padding: 0.5em 0.85em;
    border-radius: 8px;
}

.badge.bg-success {
    background: linear-gradient(135deg, #10b981, #059669) !important;
}

/* ===== Shadows ===== */
.shadow-sm {
    box-shadow: var(--tools-shadow-sm) !important;
}

/* ===== Animations ===== */
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 15px var(--tools-accent-glow); }
    50% { box-shadow: 0 0 30px var(--tools-accent-glow); }
}

.hover-card {
    position: relative;
}

.hover-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.4s ease;
    background: var(--tools-hover-glow);
    pointer-events: none;
}

.hover-card:hover::after {
    opacity: 1;
}

/* ===== Color Picker ===== */
.form-control-color {
    padding: 0.25rem;
    height: 42px;
    border-radius: 8px;
    border: 1px solid var(--tools-border);
    background: var(--tools-bg-input);
}

.form-control-color::-webkit-color-swatch-wrapper {
    padding: 0;
}

.form-control-color::-webkit-color-swatch {
    border-radius: 6px;
    border: none;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .card-body {
        padding: 1.25rem;
    }
    
    .upload-area,
    #upload-area {
        padding: 2rem 1.5rem;
    }
    
    .feature-icon-sm {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }
    
    #password-output {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }
    
    .border-start-md {
        border-left: none;
        border-top: 1px solid var(--tools-border);
        padding-top: 1.5rem;
        margin-top: 1.5rem;
    }
}

/* ===== Rotate PDF Specific ===== */
.filename-display {
    max-width: 300px;
}

.pages-container {
    max-height: 600px;
    overflow-y: auto;
}

/* ===== Font Monospace ===== */
.font-monospace {
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace !important;
}

/* ===== Preview Elements ===== */
.preview-placeholder {
    background: var(--tools-bg-elevated);
    min-height: 400px;
    color: var(--tools-text-muted);
}

.preview-image {
    height: 200px;
    object-fit: contain;
}

.preview-thumbnail {
    height: 150px;
    object-fit: contain;
}

/* ===== Progress Bar ===== */
.progress-custom {
    height: 10px;
    background: var(--tools-bg-input);
    border-radius: 10px;
    overflow: hidden;
}

.progress-custom .progress-bar {
    background: linear-gradient(90deg, var(--tools-accent), #a78bfa);
    width: 0%;
    transition: width 0.3s ease;
}

.progress {
    background: var(--tools-bg-input);
    border-radius: 10px;
}

.progress-bar {
    background: linear-gradient(90deg, var(--tools-accent), #a78bfa);
}

/* ===== Spinner ===== */
.spinner-border {
    color: var(--tools-accent);
}

/* ===== Additional Utility Classes ===== */
.filename-truncate {
    max-width: 200px;
}

.preview-container {
    background: var(--tools-bg-elevated);
}

.preview-image-large {
    max-height: 400px;
}

/* ===== PDF Canvas Preview ===== */
#pdf-canvas {
    max-width: 100%;
    max-height: 400px;
    border: 1px solid var(--tools-border);
    background: white;
}

#preview-container {
    background: var(--tools-bg-input);
    border-radius: 12px;
    overflow: hidden;
}

/* ===== Watermark Overlay ===== */
.watermark-text,
#watermark-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Helvetica', Arial, sans-serif;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
    pointer-events: none;
    white-space: nowrap;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
    z-index: 10;
}

.format-select {
    min-width: 100px;
    background: var(--tools-bg-input) !important;
    border: 1px solid var(--tools-border) !important;
    color: var(--tools-text) !important;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-weight: 500;
}

.format-select:focus {
    border-color: var(--tools-accent) !important;
    box-shadow: 0 0 0 3px var(--tools-accent-glow) !important;
}

.format-select option {
    background: var(--tools-bg-elevated);
    color: var(--tools-text);
}

.file-size-badge {
    font-size: 0.7rem;
    background: var(--tools-bg-input) !important;
    color: var(--tools-text-muted) !important;
}

.remove-file-btn {
    width: 26px;
    height: 26px;
    line-height: 1;
    font-size: 1rem;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(239, 68, 68, 0.9) !important;
    backdrop-filter: blur(4px);
}

/* ===== Stat Box (Word Counter) ===== */
.stat-box {
    background: var(--tools-bg-elevated);
    border-radius: 12px;
    padding: 1rem;
    border: 1px solid var(--tools-border);
}

/* ===== Textarea Resize ===== */
.textarea-resize {
    resize: vertical;
    min-height: 200px;
}

/* ===== Object Fit ===== */
.object-fit-cover {
    object-fit: cover;
}

/* ===== Table Light Override ===== */
.table-light {
    background: var(--tools-bg-elevated) !important;
}

.table-light th {
    background: var(--tools-bg-elevated) !important;
    color: var(--tools-text-muted);
}

/* =====================================================
   INDIVIDUAL TOOL PAGE COMPONENTS
   Clean, modern styling for each tool page
   ===================================================== */

/* ===== Tool Page Card ===== */
.tool-page-card {
    background: var(--tools-bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--tools-border);
    border-radius: 24px;
    box-shadow: var(--tools-shadow);
    overflow: hidden;
}

/* ===== Tool Page Header (Spacious & Clean) ===== */
.tool-page-header {
    text-align: center;
    padding: 3rem 2rem 2rem; /* Reduced padding to prevent crowding */
    background: var(--tools-surface-gradient);
    border-bottom: 1px solid var(--tools-border-subtle);
}

.tool-page-header h1 {
    color: var(--tools-text-bright);
    font-size: 2rem; /* Slightly smaller title */
    font-weight: 800;
    margin: 1.25rem 0 0.75rem;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.tool-page-header .tool-icon {
    width: 80px; /* Slightly larger icon */
    height: 80px;
    border-radius: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto;
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
}

.tool-icon.pdf {
    background: linear-gradient(135deg, #ef4444, #b91c1c);
    box-shadow: 0 10px 30px -5px rgba(239, 68, 68, 0.4);
}

.tool-icon.image {
    background: linear-gradient(135deg, #6366f1, #4338ca);
    box-shadow: 0 10px 30px -5px rgba(99, 102, 241, 0.4);
}

.tool-icon.developer {
    background: linear-gradient(135deg, #8b5cf6, #6d28d9);
    box-shadow: 0 10px 30px -5px rgba(139, 92, 246, 0.4);
}

.tool-privacy-note {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.2rem;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.15);
    border-radius: 100px;
    color: #34d399;
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

.tool-privacy-note i {
    font-size: 1rem;
}

.tool-privacy-note span {
    color: var(--tools-text-light);
}

/* ===== Tool Page Body ===== */
.tool-page-body {
    padding: 2rem;
}

/* ===== Tool Page Footer ===== */
.tool-page-footer {
    padding: 1.5rem 2rem;
    text-align: center;
    border-top: 1px solid var(--tools-border-subtle);
    background: var(--tools-accent-glow);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--tools-text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.back-link:hover {
    color: var(--tools-accent);
    background: var(--tools-accent-glow);
}

.back-link i {
    transition: transform 0.3s ease;
}

.back-link:hover i {
    transform: translateX(-4px);
}

/* ===== Upload Zone ===== */
.upload-zone {
    background: var(--tools-upload-gradient);
    border: 2px dashed var(--tools-border);
    border-radius: 20px;
    padding: 3.5rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
    margin-bottom: 1.5rem;
}

.upload-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 18px;
    background: var(--tools-hover-glow);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.upload-zone:hover {
    border-color: var(--tools-accent);
    background: var(--tools-bg-elevated);
    transform: translateY(-4px);
    box-shadow: var(--tools-shadow-hover);
}

.upload-zone.dragover {
    border-color: var(--tools-accent);
    background: var(--tools-accent-glow);
    transform: scale(1.02);
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
}

.upload-zone.dragover::before {
    opacity: 1;
}

.upload-zone:hover::before {
    opacity: 1;
}

.upload-zone i {
    color: var(--tools-accent);
    margin-bottom: 1rem;
    transition: transform 0.4s ease;
}

.upload-zone:hover i {
    transform: scale(1.15);
}

.upload-zone h5 {
    color: var(--tools-text-bright);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.upload-zone p {
    color: var(--tools-text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* ===== Tool Buttons ===== */
.btn-tool-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 1.75rem;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-tool-primary:hover {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.45);
}

.btn-tool-primary.full-width {
    width: 100%;
}

.btn-tool-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.btn-tool-secondary:hover {
    background: linear-gradient(135deg, #0284c7, #0369a1);
    transform: translateY(-2px);
}

.btn-tool-success {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: linear-gradient(135deg, #10b981, #059669);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-tool-success:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-2px);
}

.btn-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--tools-accent-glow);
    border: 1px solid var(--tools-border);
    border-radius: 12px;
    color: var(--tools-accent);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: var(--tools-accent);
    color: white;
    border-color: var(--tools-accent);
}

/* ===== Tool Actions ===== */
.tool-actions {
    margin-top: 1.5rem;
}

/* ===== File List ===== */
.file-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.file-list-header h5 {
    color: var(--tools-text-bright);
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
}

.file-count-badge {
    font-size: 0.8rem;
    color: var(--tools-text-muted);
    font-weight: 400;
}

.file-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* ===== File Info Bar ===== */
.file-info-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12), rgba(16, 185, 129, 0.05));
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: 14px;
    margin-bottom: 1.5rem;
}

.file-info-icon {
    width: 40px;
    height: 40px;
    background: var(--tools-success);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
}

.file-info-name {
    flex: 1;
    color: var(--tools-text-bright);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-info-badge {
    padding: 0.35rem 0.85rem;
    background: var(--tools-success);
    color: white;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* ===== Split Options ===== */
.split-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.split-option-card {
    background: var(--tools-accent-glow);
    border: 1px solid var(--tools-border);
    border-radius: 16px;
    padding: 1.75rem;
    text-align: center;
    transition: all 0.3s ease;
}

.split-option-card:hover {
    background: var(--tools-bg-elevated);
    border-color: var(--tools-border-hover);
    transform: translateY(-4px);
}

.split-option-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.4rem;
    color: white;
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.3);
}

.split-option-icon.secondary {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    box-shadow: 0 6px 20px rgba(14, 165, 233, 0.3);
}

.split-option-card h5 {
    color: var(--tools-text-bright);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.split-option-card p {
    color: var(--tools-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
}

.range-input-group {
    display: flex;
    gap: 0.5rem;
}

.range-input-group .form-control {
    flex: 1;
}

/* ===== Password Generator Specific ===== */
.password-output-group {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.password-display {
    flex: 1;
    min-width: 200px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 1.4rem;
    letter-spacing: 2px;
    text-align: center;
    padding: 1rem 1.25rem;
    background: var(--tools-bg-input);
    border: 2px solid var(--tools-border);
    border-radius: 14px;
    color: var(--tools-accent);
    text-shadow: 0 0 20px var(--tools-accent-glow);
}

.password-display:focus {
    border-color: var(--tools-accent);
    outline: none;
    box-shadow: 0 0 0 4px var(--tools-accent-glow);
}

.password-actions {
    display: flex;
    gap: 0.5rem;
}

/* ===== Settings Panel ===== */
.settings-panel {
    background: var(--tools-accent-glow);
    border: 1px solid var(--tools-border);
    border-radius: 16px;
    padding: 1.5rem;
}

.settings-title {
    color: var(--tools-text-bright);
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--tools-border);
}

.setting-item {
    margin-bottom: 1.5rem;
}

.setting-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--tools-text-light);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.setting-value {
    color: var(--tools-accent);
    font-weight: 700;
    font-size: 1.1rem;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--tools-accent-glow);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--tools-text-light);
    font-weight: 500;
    margin: 0;
}

.checkbox-item:hover {
    background: var(--tools-bg-elevated);
}

.checkbox-item input[type="checkbox"] {
    margin: 0;
}

/* ===== QR Generator Specific ===== */
.qr-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

.qr-input-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.qr-preview-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--tools-accent-glow);
    border-radius: 16px;
    border: 1px solid var(--tools-border);
}

.qr-preview-box {
    width: 220px;
    height: 220px;
    background: white;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.qr-preview-box span {
    color: #999;
    font-size: 0.9rem;
}

.color-pickers {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.color-picker-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.color-picker-item .form-label {
    font-size: 0.85rem;
    color: var(--tools-text-muted);
}

.color-picker-item .form-control-color {
    width: 100%;
    height: 44px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* ===== Responsive for Tool Pages ===== */
@media (max-width: 991px) {
    .qr-layout {
        grid-template-columns: 1fr;
    }
    
    .qr-preview-section {
        order: -1;
    }
}

@media (max-width: 767px) {
    .tool-page-header {
        padding: 2rem 1.5rem 1.25rem;
    }
    
    .tool-page-header h1 {
        font-size: 1.5rem;
    }
    
    .tool-page-body {
        padding: 1.5rem;
    }
    
    .upload-zone {
        padding: 2.5rem 1.5rem;
    }
    
    .password-output-group {
        flex-direction: column;
    }
    
    .password-display {
        font-size: 1.1rem;
        letter-spacing: 1px;
    }
    
    .password-actions {
        justify-content: stretch;
    }
    
    .password-actions .btn-tool-primary {
        flex: 1;
    }
    
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
    
    .split-options {
        grid-template-columns: 1fr;
    }
    
    .range-input-group {
        flex-direction: column;
    }
}

/* =====================================================
   ADDITIONAL TOOL PAGE COMPONENTS
   ===================================================== */

/* ===== Rotate PDF Page Grid ===== */
.pages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.rotate-bulk-actions {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

/* ===== Watermark PDF Layout ===== */
.watermark-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2rem;
    align-items: start;
}

.watermark-settings {
    position: sticky;
    top: 1rem;
}

.watermark-preview {
    display: flex;
    flex-direction: column;
}

.preview-panel {
    background: var(--tools-accent-glow);
    border: 1px solid var(--tools-border);
    border-radius: 16px;
    overflow: hidden;
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--tools-border-subtle);
    color: var(--tools-text-muted);
    font-size: 0.85rem;
}

.page-badge {
    padding: 0.25rem 0.75rem;
    background: var(--tools-accent);
    color: white;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.preview-canvas-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 450px;
    padding: 1.5rem;
}

.preview-canvas-container canvas {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.watermark-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    font-size: 3rem;
    font-weight: 700;
    opacity: 0.5;
    pointer-events: none;
    white-space: nowrap;
    color: #ff0000;
}

/* ===== Processing Indicator ===== */
.processing-indicator {
    text-align: center;
    padding: 3rem 2rem;
}

.processing-indicator .spinner-border {
    width: 3rem;
    height: 3rem;
    margin-bottom: 1rem;
}

.processing-indicator h5 {
    color: var(--tools-text-bright);
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.progress-wrapper {
    max-width: 400px;
    margin: 0 auto;
}

.progress {
    height: 8px;
    background: var(--tools-border);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--tools-accent), #8b5cf6);
    transition: width 0.3s ease;
}

/* ===== Converted Pages Grid ===== */
.converted-pages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

/* ===== Image Preview Grid ===== */
.image-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

/* ===== Compression Controls ===== */
.compression-controls {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1.5rem;
    background: var(--tools-accent-glow);
    border-radius: 16px;
    border: 1px solid var(--tools-border);
    margin-bottom: 1.5rem;
}

.compression-slider-group {
    flex: 1;
}

.compression-slider-group label {
    color: var(--tools-text-light);
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: block;
}

.slider-container {
    max-width: 300px;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--tools-text-muted);
    margin-top: 0.25rem;
}

/* ===== Results Table ===== */
.results-table-wrapper {
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.results-table {
    width: 100%;
    border-collapse: collapse;
}

.results-table thead {
    background: var(--tools-accent-glow);
}

.results-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--tools-text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--tools-border);
}

.results-table td {
    padding: 1rem;
    color: var(--tools-text-light);
    border-bottom: 1px solid var(--tools-border-subtle);
}

.results-table tbody tr:hover {
    background: var(--tools-accent-glow);
}

/* ===== Image Thumbnail in Table ===== */
.image-thumb-cell {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.image-thumb {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 8px;
    border: 1px solid var(--tools-border);
    flex-shrink: 0;
}

.image-thumb-lg {
    width: 64px;
    height: 64px;
}

.filename-truncate {
    max-width: 200px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== Image Preview Card Grid (for converter/batch tools) ===== */
.image-preview-card {
    position: relative;
    background: var(--tools-bg-card);
    border: 1px solid var(--tools-border);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.image-preview-card:hover {
    border-color: var(--tools-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--tools-shadow-hover);
}

.image-preview-card .card-img-wrapper {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--tools-bg-elevated);
}

.image-preview-card .card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-card .card-body {
    padding: 0.75rem;
    text-align: center;
}

.image-preview-card .card-text {
    font-size: 0.8rem;
    color: var(--tools-text-light);
    margin-bottom: 0.25rem;
}

.image-preview-card .file-size-badge {
    font-size: 0.7rem;
    background: var(--tools-accent-glow);
    color: var(--tools-text-muted);
    border: 1px solid var(--tools-border-subtle);
}

.image-preview-card .remove-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 24px;
    height: 24px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.9);
    color: white;
    border: none;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.image-preview-card:hover .remove-btn {
    opacity: 1;
}

.image-preview-card .remove-btn:hover {
    background: #dc2626;
}

/* ===== Converted Pages Grid ===== */
.converted-pages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

/* ===== Outline Button Small ===== */
.btn-tool-outline-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--tools-accent);
    background: transparent;
    border: 1px solid var(--tools-accent);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-tool-outline-sm:hover {
    background: var(--tools-accent);
    color: white;
}

/* ===== Resize Layout ===== */
.resize-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2rem;
    align-items: start;
}

.resize-preview {
    display: flex;
    flex-direction: column;
}

.preview-image-display {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.original-dims {
    margin-top: 1rem;
    text-align: center;
    color: var(--tools-text-muted);
    font-size: 0.9rem;
}

.resize-settings {
    position: sticky;
    top: 1rem;
}

/* ===== Converter Controls (Legacy) ===== */
.converter-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.converter-controls h5 {
    color: var(--tools-text-bright);
    font-weight: 600;
    margin: 0;
}

.converter-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* ===== New Converter Header (2026) ===== */
.converter-header {
    background: var(--tools-bg-elevated);
    border: 1px solid var(--tools-border);
    border-radius: 16px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.converter-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--tools-text-light);
    font-size: 0.95rem;
}

.converter-info i {
    color: var(--tools-accent);
    font-size: 1.1rem;
}

.converter-format-selector {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.format-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--tools-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.format-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.format-chips input[type="radio"] {
    display: none;
}

.format-chip {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--tools-text-light);
    background: var(--tools-bg-input);
    border: 1px solid var(--tools-border);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.format-chip:hover {
    border-color: var(--tools-accent);
    color: var(--tools-accent);
}

.format-chips input[type="radio"]:checked + .format-chip {
    background: var(--tools-accent);
    border-color: var(--tools-accent);
    color: white;
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.3);
}

.quality-control {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--tools-border-subtle);
}

.quality-slider-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
    max-width: 300px;
}

.quality-slider-wrapper input[type="range"] {
    flex: 1;
}

.quality-value {
    min-width: 45px;
    text-align: right;
    font-weight: 600;
    color: var(--tools-accent);
    font-size: 0.9rem;
}

/* ===== Converter Actions Bar ===== */
.converter-actions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--tools-border-subtle);
    margin-top: 1rem;
}

/* ===== Compact Primary Button ===== */
.btn-tool-primary-compact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--tools-accent), #a78bfa);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.btn-tool-primary-compact:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.btn-tool-primary-compact:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ===== Ghost Button ===== */
.btn-tool-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--tools-text-muted);
    background: transparent;
    border: 1px solid var(--tools-border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-tool-ghost:hover {
    color: #ef4444;
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.format-select {
    padding: 0.75rem 1rem;
    background: var(--tools-bg-input);
    border: 1px solid var(--tools-border);
    border-radius: 10px;
    color: var(--tools-text-bright);
    font-weight: 500;
    min-width: 100px;
}

.format-select:focus {
    border-color: var(--tools-accent);
    outline: none;
    box-shadow: 0 0 0 3px var(--tools-accent-glow);
}

/* ===== JSON Editor ===== */
.json-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    text-align: left;
    padding: 2rem;
}

.json-header-content {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.json-header-content .tool-icon {
    width: 56px;
    height: 56px;
    font-size: 1.4rem;
}

.json-header-text h1 {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
}

.json-header-text .tool-privacy-note {
    margin: 0;
}

.json-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-icon.danger {
    color: #ef4444;
}

.btn-icon.danger:hover {
    background: #ef4444;
    border-color: #ef4444;
    color: white;
}

.json-editor-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--tools-border-subtle);
}

.json-panel {
    display: flex;
    flex-direction: column;
}

.json-panel:first-child {
    border-right: 1px solid var(--tools-border-subtle);
}

.json-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--tools-accent-glow);
    border-bottom: 1px solid var(--tools-border-subtle);
    color: var(--tools-text-light);
    font-size: 0.85rem;
    font-weight: 600;
}

.copy-link {
    background: none;
    border: none;
    color: var(--tools-accent);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.copy-link:hover {
    color: #8b5cf6;
}

.json-textarea {
    flex: 1;
    min-height: 450px;
    padding: 1rem;
    background: transparent;
    border: none;
    color: var(--tools-text-bright);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    resize: none;
}

.json-textarea:focus {
    outline: none;
}

.json-textarea::placeholder {
    color: var(--tools-text-placeholder);
}

/* ===== Word Counter ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--tools-accent-glow);
    border: 1px solid var(--tools-border);
    border-radius: 16px;
    padding: 1.5rem 1rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: var(--tools-hover-glow);
    transform: translateY(-4px);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-value.text-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-value.text-success {
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-value.text-info {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-value.text-warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--tools-text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.text-input-wrapper {
    margin-bottom: 1.5rem;
}

.text-input-area {
    width: 100%;
    padding: 1.5rem;
    background: var(--tools-accent-glow);
    border: 1px solid var(--tools-border);
    border-radius: 16px;
    color: var(--tools-text-bright);
    font-size: 1rem;
    line-height: 1.7;
    resize: vertical;
    min-height: 300px;
    transition: all 0.3s ease;
}

.text-input-area:focus {
    outline: none;
    border-color: var(--tools-accent);
    box-shadow: 0 0 0 3px var(--tools-accent-glow);
}

.text-input-area::placeholder {
    color: var(--tools-text-placeholder);
}

.counter-actions {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

/* ===== Additional Responsive Styles ===== */
@media (max-width: 991px) {
    .watermark-layout,
    .resize-layout {
        grid-template-columns: 1fr;
    }
    
    .watermark-preview {
        order: -1;
    }
    
    .resize-settings {
        position: static;
    }
    
    .json-editor-body {
        grid-template-columns: 1fr;
    }
    
    .json-panel:first-child {
        border-right: none;
        border-bottom: 1px solid var(--tools-border-subtle);
    }
    
    .json-textarea {
        min-height: 280px;
    }
}

@media (max-width: 767px) {
    .compression-controls {
        flex-direction: column;
        text-align: center;
    }
    
    .slider-container {
        max-width: 100%;
    }
    
    .converter-controls {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .converter-actions {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    .counter-actions {
        flex-direction: column;
    }
    
    .counter-actions button {
        width: 100%;
    }
    
    .json-header {
        flex-direction: column;
        text-align: center;
    }
    
    .json-header-content {
        flex-direction: column;
    }
    
    .json-actions {
        width: 100%;
        justify-content: center;
    }
    
    .rotate-bulk-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .file-info-bar {
        flex-wrap: wrap;
    }
}

/* ===== Search & Filters ===== */
.search-wrapper .input-group-text {
    background-color: var(--tools-bg-input) !important;
    border-color: var(--tools-border) !important;
    color: var(--tools-text-muted) !important;
}

.search-wrapper .form-control {
    background-color: var(--tools-bg-input) !important;
    border-color: var(--tools-border) !important;
    color: var(--tools-text-bright) !important;
}

.search-wrapper .form-control:focus {
    background-color: var(--tools-bg-elevated) !important;
    border-color: var(--tools-accent) !important;
    box-shadow: 0 0 0 4px var(--tools-accent-glow) !important;
}

.tools-nav-pills .nav-link {
    color: var(--tools-text-muted);
    background: var(--tools-bg-elevated);
    border: 1px solid var(--tools-border);
    border-radius: 50px;
    padding: 0.6rem 1.5rem;
    margin-right: 0.75rem;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tools-nav-pills .nav-link:hover {
    color: var(--tools-text-bright);
    background: var(--tools-hover-glow);
    transform: translateY(-2px);
    border-color: var(--tools-border-hover);
}

.tools-nav-pills .nav-link.active {
    background: linear-gradient(135deg, var(--tools-accent), #8b5cf6);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px var(--tools-accent-glow);
}

.filters-scroll-container {
    overflow-x: auto;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--tools-scrollbar-thumb) transparent;
}

.filters-scroll-container::-webkit-scrollbar {
    height: 4px;
}

.filters-scroll-container::-webkit-scrollbar-track {
    background: var(--tools-border-subtle);
    border-radius: 4px;
}

.filters-scroll-container::-webkit-scrollbar-thumb {
    background: var(--tools-scrollbar-thumb);
    border-radius: 4px;
}

.filters-scroll-container::-webkit-scrollbar-thumb:hover {
    background: var(--tools-scrollbar-hover);
}

/* ===== Tools Nav Pills Mobile Responsive ===== */
@media (max-width: 767px) {
    .tools-nav-pills {
        display: flex;
        flex-wrap: nowrap;
        gap: 0.5rem;
        padding-bottom: 0.25rem;
    }
    
    .tools-nav-pills .nav-item {
        flex-shrink: 0;
    }
    
    .tools-nav-pills .nav-link {
        padding: 0.5rem 0.9rem;
        font-size: 0.85rem;
        margin-right: 0;
        white-space: nowrap;
    }
    
    .tools-nav-pills .nav-link i {
        margin-right: 0.35rem !important;
    }
    
    /* Tools page header mobile */
    .tools-page .row.mb-4.align-items-center {
        flex-direction: column;
        text-align: center;
    }
    
    .tools-page .row.mb-4.align-items-center h1 {
        font-size: 1.5rem;
    }
    
    .tools-page .row.mb-4.align-items-center p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .tools-nav-pills .nav-link {
        padding: 0.45rem 0.75rem;
        font-size: 0.8rem;
    }
    
    .tools-nav-pills .nav-link i {
        display: none;
    }
    
    .filters-scroll-container {
        margin: 0 -1rem;
        padding: 0 1rem 0.5rem;
    }
}

/* ===== Security Banner (2025 Professional) ===== */
.security-banner {
    position: relative;
    /* Deep, neutral dark background to avoid "dirty" color mixing */
    background: var(--tools-security-banner-bg, linear-gradient(180deg, rgba(20, 20, 25, 0.95) 0%, rgba(15, 15, 20, 0.98) 100%));
    border-radius: 24px;
    padding: 2.5rem 3rem;
    display: flex;
    align-items: center;
    gap: 3rem;
    overflow: hidden;
    margin-bottom: 3rem;
    box-shadow: 0 20px 50px -10px rgba(0, 0, 0, 0.6);
    /* Ultra-thin, crisp border */
    border: 1px solid var(--tools-border);
}

/* Top highlight line for "premium" feel */
.security-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(16, 185, 129, 0.6), transparent);
}

/* Clean, soft ambient glow (Green) */
.security-banner::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
}

.security-icon {
    width: 72px;
    height: 72px;
    /* Glassy but clean */
    background: rgba(16, 185, 129, 0.05);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #10b981;
    /* Crisp border ring */
    box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.2), 0 10px 25px -5px rgba(16, 185, 129, 0.15);
    flex-shrink: 0;
    position: relative;
    z-index: 2;
}

.security-content {
    flex: 1;
    position: relative;
    z-index: 2;
}

.security-content h4 {
    color: var(--tools-text-bright);
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-size: 1.6rem;
    letter-spacing: -0.02em;
}

.security-content p {
    color: var(--tools-text-muted); /* Clean grey, no tint */
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.6;
}

.security-badges {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.badge-secure {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.1rem;
    background: var(--tools-accent-glow);
    border: 1px solid var(--tools-border);
    border-radius: 12px;
    color: var(--tools-text-bright);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.badge-secure:hover {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.4);
    color: var(--tools-text-bright);
    transform: translateY(-1px);
}

.badge-secure i {
    color: #10b981;
}

@media (max-width: 991px) {
    .security-banner {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
        padding: 2rem;
    }
    
    .security-banner::after {
        top: 0;
        right: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0.5;
    }
    
    .security-badges {
        justify-content: center;
        width: 100%;
    }
}

@media (max-width: 767px) {
    .security-banner {
        padding: 1.5rem;
        gap: 1.25rem;
        border-radius: 20px;
        margin-bottom: 2rem;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .security-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        border-radius: 16px;
        margin-bottom: 0.25rem;
    }

    .security-content h4 {
        font-size: 1.35rem;
        margin-bottom: 0.5rem;
    }

    .security-content p {
        font-size: 0.95rem;
        line-height: 1.5;
        max-width: 280px;
        margin: 0 auto;
    }
    
    .security-badges {
        gap: 0.75rem;
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        margin-top: 0.5rem;
    }

    .badge-secure {
        width: auto;
        justify-content: center;
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
        flex: 0 1 auto;
    }
}

/* =====================================================
   COMPREHENSIVE PRINT STYLES - Professional Grade
   Optimized for Mobile, iPad, and Desktop printing
   FIX: Black box at bottom of page
   ===================================================== */

@media print {
    /* ===== Global Print Reset - Force white backgrounds ===== */
    *,
    *::before,
    *::after {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        color-adjust: exact !important;
        background-color: transparent !important;
    }

    html {
        margin: 0 !important;
        padding: 0 !important;
        height: auto !important;
        overflow: visible !important;
        background: white !important;
        background-color: white !important;
    }

    body {
        margin: 0 !important;
        padding: 0 !important;
        overflow: visible !important;
        background: white !important;
        background-color: white !important;
        height: auto !important;
        min-height: auto !important;
        max-height: none !important;
        width: 100% !important;
        position: relative !important;
    }

    /* ===== Hide ALL Non-Print Elements - COMPREHENSIVE ===== */
    body > *:not(#print-area),
    header,
    footer,
    nav,
    .navbar,
    .navbar-brand,
    .nav-link,
    .sidebar,
    .controls-sidebar,
    .controls-header,
    .controls-body,
    .controls-footer,
    .preview-toolbar,
    .tool-page-header,
    .tool-page-footer,
    .tool-page-body,
    .tool-page-card,
    .tool-page-card > *:not(#print-area),
    .math-tool-container,
    .handwriting-tool-container,
    .tools-page,
    .modal,
    .toast,
    .btn,
    .breadcrumb,
    .no-print,
    .back-link,
    .preview-area,
    .preview-canvas-wrapper,
    .pages-container,
    .page-wrapper,
    [class*="col-"],
    .container,
    .container-fluid,
    .row {
        display: none !important;
        visibility: hidden !important;
        opacity: 0 !important;
        position: absolute !important;
        left: -9999px !important;
        width: 0 !important;
        height: 0 !important;
        overflow: hidden !important;
        margin: 0 !important;
        padding: 0 !important;
        background: transparent !important;
        background-color: transparent !important;
    }
    
    /* ===== Kill all pseudo-elements that might cause black boxes ===== */
    body > *:not(#print-area)::before,
    body > *:not(#print-area)::after,
    .tool-page-card::before,
    .tool-page-card::after,
    .preview-area::before,
    .preview-area::after,
    .preview-canvas-wrapper::before,
    .preview-canvas-wrapper::after,
    .math-tool-container::before,
    .math-tool-container::after,
    .handwriting-tool-container::before,
    .handwriting-tool-container::after {
        display: none !important;
        visibility: hidden !important;
        content: none !important;
        background: transparent !important;
    }

    /* ===== Show ONLY Print Area ===== */
    body > #print-area {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        left: 0 !important;
        width: 100% !important;
        height: auto !important;
        max-height: none !important;
        overflow: visible !important;
        margin: 0 !important;
        padding: 0 !important;
        background: white !important;
        background-color: white !important;
    }

    /* Force white backgrounds on print area and all children */
    #print-area,
    #print-area * {
        background-color: white !important;
    }

    /* ===== Worksheet Page Print Styles ===== */
    #print-area > .worksheet-page,
    #print-area > .worksheet-paper,
    .worksheet-page,
    .worksheet-paper {
        display: flex !important;
        flex-direction: column !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        left: 0 !important;
        width: 100% !important;
        min-height: 100vh !important;
        max-height: none !important;
        height: auto !important;
        margin: 0 !important;
        padding: 15mm !important;
        box-sizing: border-box !important;
        box-shadow: none !important;
        border: none !important;
        transform: none !important;
        overflow: visible !important;
        background: white !important;
        background-color: white !important;
        page-break-after: always !important;
        page-break-inside: avoid !important;
        break-after: page !important;
        break-inside: avoid !important;
    }

    #print-area > .worksheet-page:last-child,
    #print-area > .worksheet-paper:last-child {
        page-break-after: auto !important;
        break-after: auto !important;
        margin-bottom: 0 !important;
        padding-bottom: 15mm !important;
    }

    /* ===== Ensure Content is Visible ===== */
    .worksheet-header,
    .worksheet-header-section,
    .worksheet-title-display,
    .worksheet-title-row,
    .worksheet-meta-row,
    .worksheet-meta-grid,
    .problems-grid,
    .problem-item,
    .practice-row,
    .text-layer,
    .guides-layer,
    .guide-line,
    .bingo-grid-container,
    .bingo-grid,
    .bingo-header-row,
    .bingo-cell,
    .word-search-grid,
    .word-search-cell,
    .word-list,
    .word-item {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        overflow: visible !important;
        position: relative !important;
        left: 0 !important;
        width: auto !important;
        height: auto !important;
    }

    .problems-grid {
        display: grid !important;
    }

    .bingo-header-row,
    .bingo-grid {
        display: grid !important;
    }

    .word-search-grid {
        display: grid !important;
    }

    /* ===== Worksheet Watermark Print Styles ===== */
    .worksheet-watermark {
        position: absolute !important;
        top: 5mm !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        right: auto !important;
        display: flex !important;
        align-items: center !important;
        gap: 0.75rem !important;
        opacity: 1 !important;
        visibility: visible !important;
        z-index: 9999 !important;
        background: white !important;
        padding: 0.5rem 1rem !important;
        border-radius: 8px !important;
        box-shadow: 0 0 0 15px white !important;
    }

    .worksheet-watermark img {
        height: 36px !important;
        width: auto !important;
    }

    .worksheet-watermark span {
        color: #111 !important;
        font-size: 14pt !important;
        font-weight: 700 !important;
    }

    /* ===== Grid Layouts for Print ===== */
    .problems-grid {
        grid-template-columns: repeat(var(--print-columns, 3), 1fr) !important;
        gap: 1.5rem !important;
        flex: 1 !important;
        align-content: start !important;
    }

    .problem-item {
        page-break-inside: avoid !important;
        break-inside: avoid !important;
        font-size: 16pt !important;
    }

    /* ===== Typography for Print ===== */
    .worksheet-title-row h2,
    .worksheet-title-display,
    .display-title {
        font-size: 22pt !important;
        color: #000 !important;
        margin-bottom: 0.5rem !important;
    }

    .field,
    .meta-item {
        font-size: 12pt !important;
        color: #000 !important;
    }

    .field-line,
    .meta-line {
        border-color: #000 !important;
    }

    /* ===== Guide Lines for Handwriting ===== */
    .guide-top {
        border-color: #60a5fa !important;
    }

    .guide-mid {
        border-color: #9ca3af !important;
    }

    .guide-base {
        border-color: #f87171 !important;
    }

    /* ===== SVG Text for Print ===== */
    .text-layer text {
        fill: #333 !important;
        stroke: #333 !important;
    }

    /* ===== Footer Visibility ===== */
    .worksheet-footer {
        display: none !important;
        visibility: hidden !important;
    }
}

/* =====================================================
   MOBILE & TABLET SCROLLING IMPROVEMENTS
   Enhanced touch scrolling for iPad and mobile devices
   ===================================================== */

/* ===== Touch-Optimized Preview Area ===== */
.preview-canvas-wrapper {
    -webkit-overflow-scrolling: touch !important;
    overflow: auto !important;
    overscroll-behavior: contain;
    scroll-behavior: smooth;
    touch-action: pan-x pan-y;
}

.pages-container {
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x pan-y;
}

/* ===== iPad-Specific Scrolling Fixes ===== */
@supports (-webkit-touch-callout: none) {
    .preview-canvas-wrapper {
        -webkit-overflow-scrolling: touch;
        overflow-y: auto;
        overflow-x: auto;
    }
    
    .controls-sidebar {
        -webkit-overflow-scrolling: touch;
        overflow-y: auto;
    }
}

/* ===== Mobile Layout Improvements ===== */
@media (max-width: 991px) {
    .math-tool-container,
    .handwriting-tool-container {
        flex-direction: column !important;
        height: auto !important;
        min-height: auto !important;
    }

    .controls-sidebar {
        width: 100% !important;
        max-height: 400px !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        border-bottom: 1px solid rgba(0, 0, 0, 0.08) !important;
        border-right: none !important;
    }

    .preview-area {
        width: 100% !important;
        min-height: 500px !important;
        overflow: auto !important;
        -webkit-overflow-scrolling: touch !important;
    }

    .preview-canvas-wrapper {
        padding: 1rem !important;
        min-height: 450px !important;
    }

    .page-wrapper {
        margin: 0 auto !important;
    }
}

/* ===== Tablet (iPad) Specific Improvements ===== */
@media (min-width: 768px) and (max-width: 1024px) {
    .preview-canvas-wrapper {
        padding: 1.5rem !important;
        min-height: 600px !important;
    }

    .controls-sidebar {
        max-height: 350px !important;
    }

    .controls-body {
        padding: 1rem !important;
    }

    /* Larger touch targets for iPad */
    .btn,
    .form-control,
    .form-select {
        min-height: 44px !important;
    }

    .form-check-input {
        width: 1.5em !important;
        height: 1.5em !important;
    }
}

/* ===== Mobile Phone Specific ===== */
@media (max-width: 576px) {
    .preview-canvas-wrapper {
        padding: 0.5rem !important;
        min-height: 350px !important;
    }

    .preview-toolbar {
        padding: 0.5rem !important;
        height: 50px !important;
    }

    .controls-sidebar {
        max-height: 300px !important;
    }

    .controls-body {
        padding: 0.75rem !important;
    }

    /* Prevent horizontal scroll on mobile */
    .tools-page,
    .tool-page-card {
        overflow-x: hidden !important;
    }

    /* Improve button touch targets */
    .btn {
        padding: 0.75rem 1rem !important;
        min-height: 48px !important;
    }

    #print-btn {
        padding: 1rem !important;
        font-size: 1rem !important;
    }
}

/* ===== Prevent Body Scroll When Printing ===== */
body.printing {
    overflow: hidden !important;
    height: auto !important;
}

/* ===== High DPI / Retina Display Optimizations ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .worksheet-page,
    .worksheet-paper {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }

    .word-search-cell,
    .bingo-cell,
    .problem-item {
        font-smoothing: antialiased;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}


/* =====================================================
   SCALABLE TOOLS HUB - Category & Tag Styles
   Added for database-driven tool registry
   ===================================================== */

/* ===== Category Sections ===== */
.tools-category-section {
    padding-top: 1.5rem;
    border-top: 1px solid var(--tools-border);
}

.tools-category-section:first-of-type {
    border-top: none;
    padding-top: 0;
}

.category-icon-wrapper {
    font-size: 1.1rem;
}

/* ===== Featured Tools Grid ===== */
.tools-grid-featured {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.tool-card-featured {
    border: 1px solid rgba(255, 193, 7, 0.3);
    background: linear-gradient(
        135deg,
        rgba(255, 193, 7, 0.05) 0%,
        rgba(22, 21, 35, 0.85) 50%
    );
}

.tool-card-featured::after {
    background: radial-gradient(
        circle at center,
        rgba(255, 193, 7, 0.1) 0%,
        transparent 70%
    );
}

/* ===== Tool Badges ===== */
.tool-card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.5rem;
}

.tool-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tool-badge-new {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
}

.tool-badge-popular {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
}

.tool-badge-featured i {
    color: #fbbf24;
}

.tool-badge-beta {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: #fff;
}

/* ===== Tool Tags ===== */
.tool-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-bottom: 0.75rem;
}

.tool-mini-tag {
    font-size: 0.65rem;
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    background: var(--tools-accent-glow);
    color: var(--tag-color, var(--tools-text-light));
    border: 1px solid var(--tag-color, var(--tools-border));
}

.tool-card-category {
    margin-bottom: 0.75rem;
    font-size: 0.75rem;
}

.tool-card-category a {
    transition: opacity 0.2s ease;
}

.tool-card-category a:hover {
    opacity: 0.8;
}

/* ===== Tags List (Browse by Tag) ===== */
.tools-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tool-tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 1rem;
    background: var(--tools-hover-glow);
    border: 1px solid var(--tag-color, var(--tools-border));
    border-radius: 20px;
    color: var(--tag-color, var(--tools-text-light));
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.tool-tag-pill:hover {
    background: var(--tag-color, var(--tools-hover-glow));
    color: var(--tools-text-bright);
    transform: translateY(-2px);
}

.tool-tag-count {
    background: var(--tools-accent-glow);
    padding: 0.15rem 0.4rem;
    border-radius: 10px;
    font-size: 0.7rem;
    margin-left: 0.3rem;
}

/* ===== Category Page Header ===== */
.category-header-icon,
.tag-header-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* ===== Subcategories Grid ===== */
.subcategories-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.subcategory-card {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--tools-hover-glow);
    border: 1px solid var(--tools-border);
    border-radius: 8px;
    color: var(--tools-text-light);
    text-decoration: none;
    transition: all 0.2s ease;
}

.subcategory-card:hover {
    background: var(--tools-surface-gradient);
    border-color: var(--tools-border-hover);
    color: var(--tools-text-bright);
    transform: translateY(-2px);
}

.subcategory-icon {
    font-size: 1rem;
}

.subcategory-name {
    font-weight: 500;
}

.subcategory-count {
    background: var(--tools-accent-glow);
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
}

/* ===== Related Categories Grid ===== */
.related-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.related-category-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--tools-accent-glow);
    border: 1px solid var(--tools-border);
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s ease;
}

.related-category-card:hover {
    background: var(--tools-hover-glow);
    border-color: var(--tools-border-hover);
    transform: translateY(-2px);
}

.related-category-icon {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
    flex-shrink: 0;
}

.related-category-info {
    display: flex;
    flex-direction: column;
}

.related-category-name {
    color: var(--tools-text-bright);
    font-weight: 500;
    font-size: 0.9rem;
}

.related-category-count {
    color: var(--tools-text-muted);
    font-size: 0.75rem;
}

/* ===== Category Page Tools Grid ===== */
.tools-grid-category {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
}

/* ===== Dynamic Category Colors ===== */
.tool-card[data-category="math"] { --card-glow-color: rgba(16, 185, 129, 0.25); }
.tool-card[data-category="language-arts"] { --card-glow-color: rgba(139, 92, 246, 0.25); }
.tool-card[data-category="puzzles-games"] { --card-glow-color: rgba(245, 158, 11, 0.25); }
.tool-card[data-category="coloring-art"] { --card-glow-color: rgba(236, 72, 153, 0.25); }
.tool-card[data-category="pdf-tools"] { --card-glow-color: rgba(239, 68, 68, 0.25); }
.tool-card[data-category="image-tools"] { --card-glow-color: rgba(99, 102, 241, 0.25); }
.tool-card[data-category="developer-tools"] { --card-glow-color: rgba(139, 92, 246, 0.25); }

/* ===== Breadcrumb Styles ===== */
.tools-page .breadcrumb {
    background: transparent;
    padding: 0;
    margin-bottom: 0;
}

.tools-page .breadcrumb-item a {
    color: var(--tools-text-muted);
    transition: color 0.2s ease;
}

.tools-page .breadcrumb-item a:hover {
    color: var(--tools-text-light);
}

.tools-page .breadcrumb-item + .breadcrumb-item::before {
    color: var(--tools-text-placeholder);
}

/* ===== Responsive Adjustments for Hub ===== */
@media (max-width: 768px) {
    .tools-grid-featured,
    .tools-grid-category {
        grid-template-columns: 1fr;
    }

    .related-categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .category-header-icon,
    .tag-header-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .tools-tags-list {
        gap: 0.5rem;
    }

    .tool-tag-pill {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .related-categories-grid {
        grid-template-columns: 1fr;
    }

    .subcategories-grid {
        flex-direction: column;
    }

    .subcategory-card {
        width: 100%;
    }

    .converter-actions-bar {
        flex-direction: column-reverse;
        gap: 0.75rem;
    }

    .converter-actions-bar .btn-tool-primary-compact,
    .converter-actions-bar .btn-tool-ghost {
        width: 100%;
    }

    .format-chips {
        gap: 0.4rem;
    }

    .format-chip {
        padding: 0.4rem 0.75rem;
        font-size: 0.8rem;
    }

    .quality-control {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .quality-slider-wrapper {
        width: 100%;
        max-width: none;
    }
}

/* ===== Additional Mobile Optimizations ===== */
@media (max-width: 576px) {
    /* Results table mobile cards */
    .results-table thead {
        display: none;
    }

    .results-table,
    .results-table tbody,
    .results-table tr,
    .results-table td {
        display: block;
        width: 100%;
    }

    .results-table tr {
        background: var(--tools-bg-elevated);
        border: 1px solid var(--tools-border);
        border-radius: 12px;
        margin-bottom: 1rem;
        padding: 1rem;
    }

    .results-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--tools-border-subtle);
    }

    .results-table td:last-child {
        border-bottom: none;
        justify-content: center;
        padding-top: 0.75rem;
    }

    .results-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--tools-text-muted);
        font-size: 0.8rem;
        text-transform: uppercase;
    }

    .image-thumb-cell {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }

    .filename-truncate {
        max-width: 100%;
    }

    /* QR layout mobile */
    .qr-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .qr-preview-section {
        order: -1;
    }

    .qr-preview-box {
        width: 180px;
        height: 180px;
    }

    .color-pickers {
        grid-template-columns: 1fr;
    }

    /* Password generator mobile */
    .password-display {
        font-size: 1rem;
        letter-spacing: 0.5px;
        padding: 0.875rem 1rem;
    }

    /* Settings panel mobile */
    .settings-panel {
        padding: 1rem;
    }

    .settings-title {
        font-size: 1rem;
    }

    /* Image preview grid mobile */
    .image-preview-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .image-preview-card .card-body {
        padding: 0.5rem;
    }

    .image-preview-card .card-text {
        font-size: 0.7rem;
    }

    /* Tool page header mobile */
    .tool-page-header h1 {
        font-size: 1.3rem;
    }

    .tool-privacy-note {
        font-size: 0.75rem;
    }

    /* Upload zone mobile */
    .upload-zone {
        padding: 2rem 1rem;
    }

    .upload-zone h5 {
        font-size: 1rem;
    }

    .upload-zone p {
        font-size: 0.8rem;
    }

    /* Buttons mobile */
    .btn-tool-primary,
    .btn-tool-secondary,
    .btn-tool-success {
        padding: 0.875rem 1.25rem;
        font-size: 0.9rem;
    }

    .full-width {
        width: 100%;
    }

    /* Counter actions mobile */
    .counter-actions {
        flex-direction: column;
    }

    .counter-actions button {
        width: 100%;
    }

    /* Tool actions mobile */
    .tool-actions {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .tool-actions .ms-2 {
        margin-left: 0 !important;
    }
}

/* ===== Touch-Friendly Improvements ===== */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets for mobile devices */
    .checkbox-item {
        padding: 1rem;
        min-height: 48px;
    }

    .form-range {
        height: 12px;
    }

    .form-range::-webkit-slider-thumb {
        width: 28px;
        height: 28px;
        margin-top: -10px;
    }

    .btn-icon {
        min-width: 48px;
        min-height: 48px;
    }

    .remove-btn {
        width: 32px;
        height: 32px;
        font-size: 1.2rem;
    }

    .format-chip {
        padding: 0.625rem 1rem;
        min-height: 44px;
    }
}