/* ============================================================
   ZestTools — Complete Design System
   Modern, Premium UI with Dark/Light Mode
   ============================================================ */

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
    /* Primary Colors */
    --blue-50: #EFF6FF;
    --blue-100: #DBEAFE;
    --blue-200: #BFDBFE;
    --blue-300: #93C5FD;
    --blue-400: #60A5FA;
    --blue-500: #3B82F6;
    --blue-600: #2563EB;
    --blue-700: #1D4ED8;
    --blue-800: #1E40AF;
    --blue-900: #1E3A8A;

    --orange-50: #FFF7ED;
    --orange-100: #FFEDD5;
    --orange-200: #FED7AA;
    --orange-300: #FDBA74;
    --orange-400: #FB923C;
    --orange-500: #F97316;
    --orange-600: #EA580C;
    --orange-700: #C2410C;

    /* Neutral Colors */
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    --gray-950: #020617;

    /* Semantic */
    --success: #16A34A;
    --warning: #CA8A04;
    --error: #DC2626;
    --info: #0891B2;

    /* Light Theme (default) */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F8FAFC;
    --bg-glass: rgba(255, 255, 255, 0.8);
    --bg-glass-hover: rgba(255, 255, 255, 0.95);

    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #64748B;
    --text-inverse: #FFFFFF;
    --text-link: #2563EB;

    --border-color: #E2E8F0;
    --border-light: #F1F5F9;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-glow: 0 0 20px rgba(37,99,235,0.15);

    --header-bg: rgba(255,255,255,0.85);
    --header-border: rgba(226,232,240,0.8);

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --bg-card: #1E293B;
    --bg-card-hover: #334155;
    --bg-glass: rgba(30, 41, 59, 0.8);
    --bg-glass-hover: rgba(30, 41, 59, 0.95);

    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-tertiary: #64748B;
    --text-inverse: #0F172A;
    --text-link: #60A5FA;

    --border-color: #334155;
    --border-light: #1E293B;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -2px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5), 0 4px 6px -4px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.5), 0 8px 10px -6px rgba(0,0,0,0.4);
    --shadow-glow: 0 0 20px rgba(59,130,246,0.2);

    --header-bg: rgba(15,23,42,0.85);
    --header-border: rgba(51,65,85,0.8);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
    max-width: 100vw;
}

a {
    color: var(--text-link);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--blue-700);
}

[data-theme="dark"] a:hover {
    color: var(--blue-300);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p { margin-bottom: 1rem; }

::selection {
    background: var(--blue-500);
    color: white;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

.text-gradient {
    background: linear-gradient(135deg, var(--blue-600), var(--orange-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.625rem 1.25rem;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.4;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    user-select: none;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
    color: white;
    border-color: var(--blue-600);
    box-shadow: 0 2px 8px rgba(37,99,235,0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--blue-700), var(--blue-800));
    box-shadow: 0 4px 12px rgba(37,99,235,0.4);
    color: white;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--orange-500);
    color: white;
    border-color: var(--orange-500);
}

.btn-secondary:hover {
    background: var(--orange-600);
    color: white;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
    border-color: var(--blue-500);
    color: var(--blue-600);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.813rem; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }
.btn-icon { padding: 0.5rem; }

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--header-border);
    transition: all var(--transition-base);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    gap: var(--space-4);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    flex-shrink: 0;
}

.logo:hover { color: var(--text-primary); }

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--blue-600), var(--orange-500));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 1.1rem;
}

.logo-text span {
    background: linear-gradient(135deg, var(--blue-600), var(--orange-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Main Navigation */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* Mega Menu */
.mega-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 320px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 100;
}

.nav-item:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-1);
}

.mega-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.mega-menu-item:hover {
    background: var(--bg-tertiary);
    color: var(--blue-600);
}

.mega-menu-item .menu-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
    font-size: 0.875rem;
}

.mega-menu-item .menu-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1px;
}

.mega-menu-item .menu-info span {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.header-search-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    font-size: 0.813rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header-search-btn:hover {
    border-color: var(--blue-500);
    color: var(--text-primary);
}

.header-search-btn kbd {
    font-size: 0.688rem;
    padding: 1px 5px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: var(--font-sans);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--orange-500);
    border-color: var(--orange-400);
    background: var(--orange-50);
}

[data-theme="dark"] .theme-toggle:hover {
    background: rgba(249,115,22,0.1);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: var(--radius-md);
}

.mobile-menu-btn:hover { background: var(--bg-tertiary); }

/* Mobile Navigation */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--bg-primary);
    padding: var(--space-4);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
}

.mobile-nav.open {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-4);
}

.mobile-nav-categories {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mobile-nav-category {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-weight: 500;
    transition: background var(--transition-fast);
}

.mobile-nav-category:hover {
    background: var(--bg-tertiary);
    color: var(--blue-600);
}

.mobile-nav-category .cat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.mobile-nav-category .cat-count {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    position: relative;
    padding: var(--space-16) 0 var(--space-20);
    background: linear-gradient(135deg, var(--blue-50) 0%, var(--bg-primary) 50%, var(--orange-50) 100%);
    overflow: hidden;
}

[data-theme="dark"] .hero {
    background: linear-gradient(135deg, rgba(37,99,235,0.08) 0%, var(--bg-primary) 50%, rgba(249,115,22,0.06) 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(249,115,22,0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--blue-600);
    margin-bottom: var(--space-6);
    backdrop-filter: blur(8px);
}

.hero-badge .badge-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Search */
.hero-search {
    position: relative;
    max-width: 640px;
    margin: 0 auto var(--space-8);
}

.hero-search input {
    width: 100%;
    padding: 1rem 1.5rem 1rem 3.25rem;
    font-size: 1rem;
    font-family: var(--font-sans);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    outline: none;
}

.hero-search input:focus {
    border-color: var(--blue-500);
    box-shadow: var(--shadow-lg), 0 0 0 4px rgba(37,99,235,0.1);
}

.hero-search input::placeholder {
    color: var(--text-tertiary);
}

.hero-search .search-icon {
    position: absolute;
    left: 1.125rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

.hero-search .search-kbd {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    font-family: var(--font-sans);
}

/* Search Results Dropdown */
.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 50;
}

.search-results.active { display: block; }

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: var(--text-primary);
    transition: background var(--transition-fast);
}

.search-result-item:hover {
    background: var(--bg-tertiary);
}

.search-result-item .result-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: white;
}

.search-result-item .result-info .result-name {
    font-weight: 500;
    font-size: 0.875rem;
}

.search-result-item .result-info .result-category {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Category Pills */
.category-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.category-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-base);
    backdrop-filter: blur(8px);
}

.category-pill:hover {
    border-color: var(--blue-400);
    color: var(--blue-600);
    background: var(--blue-50);
    transform: translateY(-1px);
}

[data-theme="dark"] .category-pill:hover {
    background: rgba(37,99,235,0.1);
}

/* Stats Row */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    margin-top: var(--space-8);
}

.hero-stat {
    text-align: center;
}

.hero-stat .stat-value {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.hero-stat .stat-label {
    font-size: 0.813rem;
    color: var(--text-tertiary);
}

/* ============================================================
   SECTION STYLES
   ============================================================ */
.section {
    padding: var(--space-16) 0;
}

.section-alt {
    background: var(--bg-primary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-header h2 {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: var(--space-4);
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.0625rem;
    max-width: 600px;
    margin: 0 auto;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: var(--blue-50);
    color: var(--blue-600);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

[data-theme="dark"] .section-badge {
    background: rgba(37,99,235,0.15);
}

/* ============================================================
   CATEGORY CARDS
   ============================================================ */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-6);
}

.category-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
    overflow: hidden;
    text-decoration: none;
    color: var(--text-primary);
    display: block;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.category-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    color: var(--text-primary);
}

.category-card:hover::before {
    opacity: 1;
}

.category-card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: var(--space-4);
    font-size: 1.25rem;
}

.category-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-2);
}

.category-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.5;
}

.category-card .tool-count {
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--blue-600);
}

/* ============================================================
   TOOL CARDS (Popular Tools Grid)
   ============================================================ */
.tools-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-8);
}

.filter-btn {
    padding: var(--space-2) var(--space-4);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--blue-600);
    border-color: var(--blue-600);
    color: white;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-4);
}

.tool-card-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-decoration: none;
    color: var(--text-primary);
}

.tool-card-item:hover {
    border-color: var(--blue-400);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    color: var(--text-primary);
}

.tool-card-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.tool-card-info h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.tool-card-info p {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* AI Badge */
.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: linear-gradient(135deg, var(--blue-600), #EC4899);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================================
   FEATURED AI TOOLS
   ============================================================ */
.ai-tools-section {
    background: linear-gradient(135deg, var(--gray-900), var(--blue-900));
    color: white;
    position: relative;
    overflow: hidden;
}

.ai-tools-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.ai-tools-section .section-header h2,
.ai-tools-section .section-header p {
    color: white;
}

.ai-tools-section .section-header p {
    color: rgba(255,255,255,0.7);
}

.ai-tools-section .section-badge {
    background: rgba(255,255,255,0.1);
    color: #C4B5FD;
}

.ai-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-5);
    position: relative;
    z-index: 1;
}

.ai-tool-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    backdrop-filter: blur(8px);
    transition: all var(--transition-base);
    text-decoration: none;
    color: white;
    display: block;
}

.ai-tool-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    color: white;
}

.ai-tool-card .card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #8B5CF6, #EC4899);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.ai-tool-card h3 {
    color: white;
    font-size: 1.0625rem;
    margin-bottom: var(--space-2);
}

.ai-tool-card p {
    color: rgba(255,255,255,0.6);
    font-size: 0.875rem;
    margin: 0;
}

/* ============================================================
   REVIEWS SECTION
   ============================================================ */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
}

.review-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

.review-stars {
    color: #FBBF24;
    font-size: 1rem;
    margin-bottom: var(--space-3);
    letter-spacing: 2px;
}

.review-text {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-4);
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue-400), var(--orange-400));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
}

.review-author-info .author-name {
    font-weight: 600;
    font-size: 0.875rem;
}

.review-author-info .author-role {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--blue-300);
}

.faq-item summary {
    padding: var(--space-4) var(--space-5);
    font-weight: 600;
    font-size: 0.9375rem;
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-primary);
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
    content: '+';
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--text-tertiary);
    transition: transform var(--transition-base);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
    color: var(--blue-600);
}

.faq-item p {
    padding: 0 var(--space-5) var(--space-4);
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.7;
}

/* ============================================================
   NEWSLETTER
   ============================================================ */
.newsletter-section {
    background: linear-gradient(135deg, var(--blue-600), var(--blue-800));
    padding: var(--space-12) 0;
    text-align: center;
    color: white;
}

.newsletter-section h2 {
    color: white;
    margin-bottom: var(--space-3);
}

.newsletter-section p {
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--space-6);
}

.newsletter-form {
    display: flex;
    gap: var(--space-3);
    max-width: 480px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1.25rem;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    outline: none;
    backdrop-filter: blur(8px);
}

.newsletter-form input::placeholder {
    color: rgba(255,255,255,0.5);
}

.newsletter-form input:focus {
    border-color: rgba(255,255,255,0.5);
}

.newsletter-form .btn {
    background: var(--orange-500);
    border-color: var(--orange-500);
    color: white;
    white-space: nowrap;
}

.newsletter-form .btn:hover {
    background: var(--orange-600);
}

/* ============================================================
   BLOG SECTION & MARKDOWN ENHANCEMENTS
   ============================================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    text-decoration: none;
    color: var(--text-primary);
    display: block;
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    color: var(--text-primary);
}

.blog-card-image {
    height: 180px;
    background: linear-gradient(135deg, var(--blue-100), var(--orange-100));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue-400);
    font-size: 2rem;
}

[data-theme="dark"] .blog-card-image {
    background: linear-gradient(135deg, rgba(37,99,235,0.2), rgba(249,115,22,0.15));
}

.blog-card-content {
    padding: var(--space-5);
}

.blog-card-tag {
    display: inline-block;
    padding: 2px 10px;
    background: var(--blue-50);
    color: var(--blue-600);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
}

[data-theme="dark"] .blog-card-tag {
    background: rgba(37,99,235,0.15);
}

.blog-card h3 {
    font-size: 1.0625rem;
    margin-bottom: var(--space-2);
}

.blog-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* The TL;DR Callout Box */
.blog-tldr-box {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    border-left: 4px solid var(--blue-600);
    padding: 1.5rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 2rem 0;
    box-shadow: var(--shadow-md);
}
.blog-tldr-box strong {
    display: block;
    font-size: 1.1rem;
    color: var(--blue-600);
    margin-bottom: 0.5rem;
}
.blog-tldr-box p {
    margin: 0;
    font-size: 1.05rem;
    color: var(--text-secondary);
}

/* Pro-Tip Blockquote */
blockquote.pro-tip-box {
    background: var(--blue-50);
    border: 1px solid var(--blue-200);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    margin: 2rem 0;
    font-style: normal;
}
[data-theme="dark"] blockquote.pro-tip-box {
    background: rgba(37,99,235,0.1);
    border-color: rgba(37,99,235,0.3);
}
blockquote.pro-tip-box strong {
    color: var(--blue-600);
}
[data-theme="dark"] blockquote.pro-tip-box strong {
    color: var(--blue-400);
}

/* FAQ Accordion Dropdowns */
.faq-accordion-container {
    margin: 2rem 0;
}
.blog-faq {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all var(--transition-base);
}
.blog-faq[open] {
    border-color: var(--blue-600);
    box-shadow: var(--shadow-sm);
}
.blog-faq summary {
    padding: 1.25rem;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    position: relative;
    color: var(--text-primary);
}
.blog-faq summary::-webkit-details-marker {
    display: none;
}
.blog-faq summary::after {
    content: '+';
    position: absolute;
    right: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--blue-600);
    transition: transform var(--transition-base);
}
.blog-faq[open] summary::after {
    content: '−';
}
.blog-faq .faq-content {
    padding: 0 1.25rem 1.25rem 1.25rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-light);
    margin-top: 0.5rem;
    padding-top: 1rem;
}

/* General Markdown Formatting */
.markdown-content h2 {
    margin-top: 3rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--border-light);
}
.markdown-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}
.markdown-content ul, .markdown-content ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}
.markdown-content li {
    margin-bottom: 0.5rem;
}
.markdown-content p {
    color: var(--text-secondary);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--space-16) 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-8);
    padding-bottom: var(--space-12);
    border-bottom: 1px solid var(--gray-800);
}

.footer-brand .logo {
    color: white;
    margin-bottom: var(--space-4);
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: var(--space-5);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    border-color: var(--blue-500);
    color: var(--blue-400);
    background: rgba(37,99,235,0.1);
}

.footer-column h4 {
    color: white;
    font-size: 0.9375rem;
    margin-bottom: var(--space-4);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.8125rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--blue-400);
}

.footer-bottom {
    padding: var(--space-5) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-5);
}

.footer-bottom-links a {
    color: var(--gray-500);
}

.footer-bottom-links a:hover {
    color: var(--gray-300);
}

/* ============================================================
   TOOL PAGE STYLES
   ============================================================ */
.tool-page {
    padding-bottom: var(--space-16);
}

/* Breadcrumbs */
.breadcrumbs {
    padding: var(--space-4) 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-light);
}

.breadcrumb-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8125rem;
    flex-wrap: wrap;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.breadcrumb-list li:not(:last-child):after {
    content: '›';
    color: var(--text-tertiary);
}

.breadcrumb-list a {
    color: var(--text-tertiary);
}

.breadcrumb-list a:hover {
    color: var(--blue-600);
}

.breadcrumb-list span {
    color: var(--text-primary);
    font-weight: 500;
}

/* Tool Layout */
.tool-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-8);
    margin-top: var(--space-8);
}

/* Tool Header */
.tool-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-5);
    margin-bottom: var(--space-6);
}

.tool-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.tool-header h1 {
    font-size: 1.75rem;
    margin-bottom: var(--space-2);
}

.tool-description {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}

/* Tool Card (Main Interface) */
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.tool-input-section {
    margin-bottom: var(--space-5);
}

.tool-textarea {
    width: 100%;
    min-height: 160px;
    padding: var(--space-4);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    line-height: 1.6;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    resize: vertical;
    outline: none;
    transition: border-color var(--transition-fast);
}

.tool-textarea:focus {
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.tool-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    outline: none;
    transition: border-color var(--transition-fast);
}

.tool-input:focus {
    border-color: var(--blue-500);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.tool-select {
    padding: 0.625rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    outline: none;
    cursor: pointer;
}

.tool-select:focus {
    border-color: var(--blue-500);
}

.tool-actions {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
}

/* Results */
.tool-results {
    border-top: 1px solid var(--border-color);
    padding-top: var(--space-5);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.result-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    text-align: center;
}

.result-value {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--blue-600);
    display: block;
    margin-bottom: var(--space-1);
}

.result-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tool-output {
    width: 100%;
    min-height: 120px;
    padding: var(--space-4);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.7;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    color: var(--text-primary);
    resize: vertical;
}

.tool-output-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

/* Input Groups & Forms */
.input-group {
    margin-bottom: var(--space-4);
}

.input-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.input-row {
    display: flex;
    gap: var(--space-3);
    align-items: end;
}

.input-row .input-group {
    flex: 1;
}

.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
}

.radio-option,
.checkbox-option {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.radio-option:hover,
.checkbox-option:hover {
    border-color: var(--blue-400);
}

.radio-option.active,
.checkbox-option.active {
    border-color: var(--blue-600);
    background: var(--blue-50);
    color: var(--blue-700);
}

[data-theme="dark"] .radio-option.active,
[data-theme="dark"] .checkbox-option.active {
    background: rgba(37,99,235,0.15);
    color: var(--blue-400);
}

/* File Upload */
.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    background: var(--bg-secondary);
}

.file-upload-area:hover {
    border-color: var(--blue-400);
    background: var(--blue-50);
}

[data-theme="dark"] .file-upload-area:hover {
    background: rgba(37,99,235,0.05);
}

.file-upload-area .upload-icon {
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
}

.file-upload-area p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

.file-upload-area .upload-hint {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: var(--space-2);
}

/* Alerts / Toasts */
.alert {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.alert-success {
    background: #F0FDF4;
    color: #166534;
    border: 1px solid #BBF7D0;
}

.alert-error {
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

.alert-warning {
    background: #FFFBEB;
    color: #92400E;
    border: 1px solid #FDE68A;
}

.alert-info {
    background: #EFF6FF;
    color: #1E40AF;
    border: 1px solid #BFDBFE;
}

[data-theme="dark"] .alert-success { background: rgba(22,163,74,0.1); color: #4ADE80; border-color: rgba(22,163,74,0.3); }
[data-theme="dark"] .alert-error { background: rgba(220,38,38,0.1); color: #F87171; border-color: rgba(220,38,38,0.3); }
[data-theme="dark"] .alert-warning { background: rgba(202,138,4,0.1); color: #FBBF24; border-color: rgba(202,138,4,0.3); }
[data-theme="dark"] .alert-info { background: rgba(37,99,235,0.1); color: #60A5FA; border-color: rgba(37,99,235,0.3); }

/* Toast notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.toast {
    padding: var(--space-3) var(--space-5);
    background: var(--gray-900);
    color: white;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-xl);
    animation: slideInUp 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--error); }

@keyframes slideInUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Sidebar */
.tool-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
}

.sidebar-card h3 {
    font-size: 0.9375rem;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-light);
}

.sidebar-tools-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.sidebar-tools-list li a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.sidebar-tools-list li a:hover {
    background: var(--bg-tertiary);
    color: var(--blue-600);
}

.sidebar-tools-list li.active a {
    background: var(--blue-50);
    color: var(--blue-600);
    font-weight: 600;
}

[data-theme="dark"] .sidebar-tools-list li.active a {
    background: rgba(37,99,235,0.15);
}

/* How-to Section */
.tool-howto {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}

.tool-howto h2 {
    font-size: 1.25rem;
    margin-bottom: var(--space-5);
}

.howto-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.howto-step {
    display: flex;
    gap: var(--space-4);
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--blue-600);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 0.9375rem;
    margin-bottom: var(--space-1);
}

.step-content p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Tool FAQ */
.tool-faq {
    margin-bottom: var(--space-6);
}

.tool-faq h2 {
    font-size: 1.25rem;
    margin-bottom: var(--space-5);
}

/* Ad Placeholders */
.ad-placeholder {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-5);
    text-align: center;
}

.ad-placeholder-inner {
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

.ad-container {
    margin-bottom: var(--space-5);
}

/* ============================================================
   SEARCH MODAL
   ============================================================ */
.search-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
}

.search-modal.active { display: flex; }

.search-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}

.search-modal-content {
    position: relative;
    width: 100%;
    max-width: 600px;
    margin: 0 var(--space-4);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.search-modal-input {
    width: 100%;
    padding: 1rem 1.25rem 1rem 3rem;
    font-size: 1.0625rem;
    font-family: var(--font-sans);
    border: none;
    background: transparent;
    color: var(--text-primary);
    outline: none;
}

.search-modal-icon {
    position: absolute;
    top: 1.1rem;
    left: 1.1rem;
    color: var(--text-tertiary);
}

.search-modal-results {
    max-height: 400px;
    overflow-y: auto;
    border-top: 1px solid var(--border-color);
}

/* ============================================================
   TOOL DIRECTORY PAGE
   ============================================================ */
.tools-directory {
    padding: var(--space-8) 0 var(--space-16);
}

.directory-header {
    text-align: center;
    margin-bottom: var(--space-10);
}

.directory-header h1 {
    font-size: 2rem;
    margin-bottom: var(--space-3);
}

.directory-header p {
    color: var(--text-secondary);
}

.directory-category {
    margin-bottom: var(--space-10);
}

.directory-category-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--border-light);
}

.directory-category-header h2 {
    font-size: 1.375rem;
}

.directory-category-header .cat-count {
    background: var(--bg-tertiary);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
}

/* ============================================================
   RESPONSIVE — Mobile First
   ============================================================ */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tool-layout {
        grid-template-columns: 1fr;
    }
    
    .tool-sidebar {
        order: -1;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .main-nav { display: none; }
    .header-search-btn { display: none; }
    .mobile-menu-btn { display: flex; }
    .mobile-nav { display: block; }
    
    .hero { padding: var(--space-10) 0 var(--space-12); }
    .hero h1 { font-size: 1.75rem; }
    .hero-stats { gap: var(--space-4); }
    .hero-stat .stat-value { font-size: 1.375rem; }
    
    .section { padding: var(--space-10) 0; }
    
    .categories-grid { grid-template-columns: 1fr; }
    .tools-grid { grid-template-columns: 1fr 1fr; }
    .reviews-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .ai-tools-grid { grid-template-columns: 1fr; }
    
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    
    .tool-header { flex-direction: column; }
    .tool-sidebar { grid-template-columns: 1fr; }
    
    .results-grid { grid-template-columns: repeat(2, 1fr); }
    .input-row { flex-direction: column; }
    .tool-actions { flex-direction: column; }
    .tool-actions .btn { width: 100%; }
    
    .newsletter-form { flex-direction: column; }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.375rem; }
}

@media (max-width: 480px) {
    .tools-grid { grid-template-columns: 1fr; }
    .results-grid { grid-template-columns: 1fr; }
    .category-pills { gap: var(--space-1); }
    .category-pill { font-size: 0.75rem; padding: var(--space-1) var(--space-3); }
}

/* ============================================================
   LOADING SPINNER
   ============================================================ */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border-color);
    border-top-color: var(--blue-600);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-8);
    color: var(--text-secondary);
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
    .site-header,
    .site-footer,
    .tool-sidebar,
    .ad-placeholder,
    .ad-container,
    .tool-actions,
    .tool-output-actions { display: none !important; }
    
    .tool-layout { grid-template-columns: 1fr !important; }
    body { background: white; color: black; }
}
/* Fix for broken tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    border: 1px solid #ddd;
}

th, td {
    padding: 12px;
    border: 1px solid #ddd;
    text-align: left;
}

th {
    background-color: #f8f9fa;
    font-weight: bold;
}

/* ============================================================
   SEO CONTENT SECTIONS (who_uses, benefits, related)
   ============================================================ */
.tool-content-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-6);
}
.tool-content-section h2 {
    font-size: 1.25rem;
    margin-bottom: var(--space-4);
}
.tool-content-section p {
    color: var(--text-secondary);
    line-height: 1.8;
}
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}
@media (max-width: 640px) {
    .benefits-grid { grid-template-columns: 1fr; }
}
.benefit-item {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
}
.benefit-icon {
    color: var(--success);
    flex-shrink: 0;
    margin-top: 2px;
}
.benefit-item p {
    margin: 0;
    font-size: 0.9375rem;
}
.related-tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}
@media (max-width: 640px) {
    .related-tools-grid { grid-template-columns: 1fr; }
}
.related-tool-card {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.2s ease;
}
.related-tool-card:hover {
    border-color: var(--blue-600);
    background: var(--bg-secondary);
    transform: translateY(-1px);
}
.related-tool-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}
.related-tool-card strong {
    display: block;
    font-size: 0.875rem;
    margin-bottom: 2px;
}
.related-tool-card p {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin: 0;
    line-height: 1.4;
}

/* ============================================================
   BLOG STYLES
   ============================================================ */
.blog-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-6);
}
.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all 0.2s ease;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    border-color: var(--blue-600);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.blog-card-body {
    padding: var(--space-5);
    flex: 1;
    display: flex;
    flex-direction: column;
}
.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
}
.blog-card-tag {
    background: var(--blue-50);
    color: var(--blue-600);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
}
[data-theme="dark"] .blog-card-tag {
    background: rgba(37,99,235,0.15);
}
.blog-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-2);
    line-height: 1.4;
}
.blog-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
}
.blog-card-footer {
    padding: 0 var(--space-5) var(--space-4);
    font-size: 0.8125rem;
    color: var(--blue-600);
    font-weight: 600;
}

/* Blog Post */
.blog-post {
    max-width: 800px;
    margin: 0 auto;
}
.blog-post-header {
    text-align: center;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border-color);
}
.blog-post-header h1 {
    font-size: 2rem;
    line-height: 1.3;
    margin-bottom: var(--space-4);
}
.blog-post-body {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: var(--text-secondary);
}
.blog-post-body h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    margin: var(--space-8) 0 var(--space-4);
}
.blog-post-body h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    margin: var(--space-6) 0 var(--space-3);
}
.blog-post-body p {
    margin-bottom: var(--space-4);
}
.blog-post-body ul, .blog-post-body ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}
.blog-post-body li {
    margin-bottom: var(--space-2);
}
.blog-post-body table {
    font-size: 0.875rem;
    margin: var(--space-4) 0;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, var(--blue-50), rgba(249,115,22,0.05));
    border: 2px solid var(--blue-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    margin: var(--space-6) 0;
}
[data-theme="dark"] .cta-box {
    background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(249,115,22,0.05));
    border-color: rgba(37,99,235,0.3);
}
.cta-box h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-2);
}
.cta-box p {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    font-size: 0.9375rem;
}
.cta-box .btn {
    font-size: 1rem;
    padding: var(--space-3) var(--space-6);
}