/* ========================================
   Shawwwty - Modern URL Shortener Styles
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    /* Primary Colors */
    --primary-50: #eef2ff;
    --primary-100: #e0e7ff;
    --primary-200: #c7d2fe;
    --primary-300: #a5b4fc;
    --primary-400: #818cf8;
    --primary-500: #6366f1;
    --primary-600: #4f46e5;
    --primary-700: #4338ca;
    
    /* Accent Colors */
    --accent-pink: #ec4899;
    --accent-purple: #a855f7;
    --accent-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-hero: linear-gradient(135deg, #6366f1 0%, #8b5cf6 25%, #a855f7 50%, #ec4899 75%, #f472b6 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    --gradient-button: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-button-hover: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    --gradient-text: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
    
    /* Light Mode Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 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, 0.05);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);
    
    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --border-light: #1e293b;
    --gradient-card: linear-gradient(145deg, rgba(30, 41, 59, 0.9) 0%, rgba(30, 41, 59, 0.7) 100%);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 60px rgba(99, 102, 241, 0.25);
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background var(--transition-base), color var(--transition-base);
    overflow-x: hidden;
}

/* Animated Background */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.animated-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(236, 72, 153, 0.1) 0%, transparent 40%);
    animation: bgFloat 20s ease-in-out infinite;
}

[data-theme="dark"] .animated-bg::before {
    background: 
        radial-gradient(circle at 20% 80%, rgba(168, 85, 247, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(236, 72, 153, 0.05) 0%, transparent 40%);
}

@keyframes bgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, 2%) rotate(1deg); }
    66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 1rem 2rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.8);
    border-bottom: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

[data-theme="dark"] .navbar {
    background: rgba(15, 23, 42, 0.85);
    border-bottom-color: var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -0.5px;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.02);
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.625rem 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: 0.95rem;
}

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

.nav-links a.btn-primary {
    color: white !important;
    -webkit-text-fill-color: white;
    background: var(--gradient-button);
    padding: 0.625rem 1.25rem;
    font-weight: 600;
}

.nav-links a.btn-primary:hover {
    color: white !important;
    background: var(--gradient-button-hover);
    transform: translateY(-2px);
}

/* Theme Toggle */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    margin-left: 0.5rem;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-400);
    transform: scale(1.05);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.theme-toggle:hover svg {
    color: var(--primary-500);
}

.sun-icon { display: none; }
.moon-icon { display: block; }

[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }

/* ========================================
   Buttons
   ======================================== */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-button);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    background: var(--gradient-button-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1.5px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--primary-400);
    background: var(--primary-50);
    color: var(--primary-600);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--bg-tertiary);
    color: var(--primary-400);
}

/* ========================================
   Container
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    text-align: center;
    padding: 5rem 0 4rem;
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-badge span {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.hero h1 {
    font-size: clamp(2.75rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1.5px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero h1 .gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradientShift 4s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 0;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

/* ========================================
   URL Form Container
   ======================================== */
.url-form-container {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    margin-bottom: 4rem;
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    transition: all var(--transition-base);
}

.url-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-hero);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.url-form-container:hover {
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    transform: translateY(-2px);
}

.url-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 0;
}

.input-wrapper {
    flex: 1;
    position: relative;
}

.input-wrapper svg {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.url-input {
    width: 100%;
    padding: 1.125rem 1.25rem 1.125rem 3.25rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    font-family: inherit;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.url-input::placeholder {
    color: var(--text-muted);
}

.url-input:focus {
    outline: none;
    border-color: var(--primary-400);
    background: var(--bg-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.url-input:focus + svg,
.input-wrapper:focus-within svg {
    color: var(--primary-500);
}

.shorten-btn {
    padding: 1.125rem 2rem;
    background: var(--gradient-button);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
    position: relative;
    overflow: hidden;
}

.shorten-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.shorten-btn:hover::before {
    left: 100%;
}

.shorten-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.shorten-btn:active {
    transform: translateY(0);
}

/* ========================================
   Result Section
   ======================================== */
.result-container {
    margin-top: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(168, 85, 247, 0.08) 100%);
    border: 2px dashed var(--primary-300);
    border-radius: var(--radius-lg);
    display: none;
}

[data-theme="dark"] .result-container {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(168, 85, 247, 0.15) 100%);
    border-color: var(--primary-500);
}

.result-container.show {
    display: block;
    animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-15px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.result-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary-600);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

[data-theme="dark"] .result-label {
    color: var(--primary-400);
}

.result-label::before {
    content: '✨';
}

.result-url {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.result-url input {
    flex: 1;
    min-width: 250px;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    color: var(--primary-600);
    font-weight: 500;
}

[data-theme="dark"] .result-url input {
    color: var(--primary-400);
}

.copy-btn {
    padding: 0.875rem 1.5rem;
    background: var(--primary-500);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copy-btn:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
}

.copy-btn.copied {
    background: #10b981;
}

.copy-btn.copied::before {
    content: '✓ ';
}

/* ========================================
   Stats Section
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.stat-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-card:hover::before {
    opacity: 0.03;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ========================================
   Analytics Section
   ======================================== */
.analytics-section {
    margin-top: 2rem;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-title .icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-button);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-title .icon svg {
    width: 20px;
    height: 20px;
    color: white;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.25);
    color: var(--text-primary);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .filter-chip {
    background: rgba(99, 102, 241, 0.16);
    border-color: rgba(99, 102, 241, 0.35);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.filter-chip-label {
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.filter-chip-value {
    font-weight: 700;
    color: var(--text-primary);
}

.filter-chip-clear {
    padding: 0.25rem 0.65rem;
    margin-left: 0.25rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--primary-100);
    background: rgba(255, 255, 255, 0.08);
    text-decoration: none;
    font-weight: 700;
    transition: all var(--transition-fast);
}

[data-theme="dark"] .filter-chip-clear {
    color: #f8fafc;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

.filter-chip-clear:hover {
    background: var(--gradient-button);
    color: #fff;
    border-color: transparent;
    transform: translateY(-1px);
}

/* ========================================
   Table Styles
   ======================================== */
.table-container {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
    overflow-x: auto;
}

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

thead {
    background: var(--bg-secondary);
}

th {
    padding: 1.25rem 1.5rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-primary);
    transition: background var(--transition-fast);
}

tbody tr {
    transition: all var(--transition-fast);
}

tbody tr:hover {
    background: var(--bg-secondary);
}

tbody tr:hover td {
    border-bottom-color: transparent;
}

tbody tr:last-child td {
    border-bottom: none;
}

.short-id {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-weight: 600;
}

.short-id a {
    color: var(--primary-500);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.short-id a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-button);
    transition: width var(--transition-fast);
}

.short-id a:hover {
    color: var(--primary-600);
}

.short-id a:hover::after {
    width: 100%;
}

.user-link {
    color: var(--primary-400);
    font-weight: 700;
    text-decoration: none;
    transition: color var(--transition-fast);
}

[data-theme="dark"] .user-link {
    color: #c7d2fe;
}

.user-link:hover {
    color: var(--primary-200);
}

.redirect-url {
    max-width: 350px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.clicks-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    padding: 0.375rem 0.875rem;
    background: var(--gradient-button);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.index-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.delete-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.delete-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
    color: #ef4444;
    transform: scale(1.05);
}

.delete-btn:active {
    transform: scale(0.95);
}

.delete-btn svg {
    width: 16px;
    height: 16px;
}

.analytics-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.analytics-btn:hover {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--primary-500);
    color: var(--primary-500);
    transform: scale(1.05);
}

.analytics-btn:active {
    transform: scale(0.95);
}

.analytics-btn svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   Analytics Modal
   ======================================== */
.analytics-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease-out;
}

.analytics-modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 1200px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease-out;
    border: 1px solid var(--border-color);
}

.analytics-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.analytics-modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.analytics-modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.analytics-modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.analytics-modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex: 1;
}

.analytics-loading,
.analytics-error {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.analytics-error {
    color: #ef4444;
}

.analytics-container {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.analytics-header-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.analytics-header-info h3 {
    margin: 0;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.analytics-header-info code {
    background: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    color: var(--primary-500);
}

.analytics-total-clicks {
    font-size: 1rem;
    color: var(--text-secondary);
}

.analytics-total-clicks strong {
    color: var(--primary-500);
    font-size: 1.25rem;
}

.analytics-summary h4,
.analytics-details h4 {
    margin: 0 0 1rem 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.analytics-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.analytics-summary-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1rem;
}

.analytics-summary-card h5 {
    margin: 0 0 0.75rem 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.analytics-stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.stat-label {
    color: var(--text-primary);
    font-size: 0.875rem;
}

.stat-value {
    color: var(--primary-500);
    font-weight: 600;
    font-size: 0.875rem;
}

.analytics-table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.analytics-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.analytics-table thead {
    background: var(--bg-secondary);
}

.analytics-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
}

.analytics-table td {
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.analytics-table tbody tr:hover {
    background: var(--bg-secondary);
}

.analytics-table tbody tr:last-child td {
    border-bottom: none;
}

.analytics-table code {
    background: var(--bg-tertiary);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--text-primary);
}

.device-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: capitalize;
}

.device-badge.device-mobile {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-500);
}

.device-badge.device-desktop {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.device-badge.device-tablet {
    background: rgba(251, 146, 60, 0.1);
    color: #fb923c;
}

.device-badge.device-bot {
    background: rgba(156, 163, 175, 0.1);
    color: #9ca3af;
}

.device-badge.device-unknown {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.analytics-empty {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

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

@media (max-width: 768px) {
    .analytics-modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .analytics-modal-header,
    .analytics-modal-body {
        padding: 1rem;
    }
    
    .analytics-summary-grid {
        grid-template-columns: 1fr;
    }
    
    .analytics-header-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .analytics-table {
        font-size: 0.75rem;
    }
    
    .analytics-table th,
    .analytics-table td {
        padding: 0.5rem;
    }
}

/* ========================================
   Empty State
   ======================================== */
.empty-state {
    text-align: center;
    padding: 5rem 2rem;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
}

.empty-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
}

.empty-icon svg {
    width: 40px;
    height: 40px;
    color: var(--primary-500);
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-weight: 700;
}

.empty-state p {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 400px;
    margin: 0 auto;
}

/* ========================================
   Auth Pages
   ======================================== */
.auth-container {
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 0.6s ease-out;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-hero);
}

.auth-card h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-card > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.form-group input {
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-family: inherit;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-400);
    background: var(--bg-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.auth-form .btn {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    margin-top: 0.5rem;
}

.auth-link {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.auth-link a {
    color: var(--primary-500);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.auth-link a:hover {
    color: var(--primary-600);
    text-decoration: underline;
}

/* Error Alert */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

[data-theme="dark"] .alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
    }
    
    .nav-container {
        flex-wrap: wrap;
        gap: 1rem;
    }
    
    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
        padding-top: 1rem;
        border-top: 1px solid var(--border-color);
    }
    
    .hero {
        padding: 3rem 0 2rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .url-form {
        flex-direction: column;
    }
    
    .shorten-btn {
        width: 100%;
    }
    
    .result-url {
        flex-direction: column;
    }
    
    .result-url input,
    .copy-btn {
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .url-form-container {
        padding: 1.5rem;
    }
    
    .auth-card {
        padding: 2rem;
    }
    
    table {
        font-size: 0.875rem;
    }
    
    th, td {
        padding: 1rem;
    }
    
    .redirect-url {
        max-width: 150px;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center { text-align: center; }
.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
.animate-spin { animation: spin 1s linear infinite; }

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Selection */
::selection {
    background: var(--primary-200);
    color: var(--primary-900);
}

[data-theme="dark"] ::selection {
    background: var(--primary-600);
    color: white;
}

/* Pagination Styles */
.pagination-container {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.pagination-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.05rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(.disabled) {
    background: var(--bg-tertiary);
    border-color: var(--primary-400);
    color: var(--primary-500);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.pagination-btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

[data-theme="dark"] .pagination-btn {
    background: rgba(255,255,255,0.08);
    color: #e2e8f0;
    border-color: rgba(255,255,255,0.16);
}

[data-theme="dark"] .pagination-btn:hover:not(.disabled) {
    background: rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.28);
    color: #fff;
}

[data-theme="dark"] .pagination-btn.disabled {
    background: rgba(255,255,255,0.04);
    color: rgba(226,232,240,0.45);
}

.pagination-numbers {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.pagination-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    padding: 0 0.5rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}

.pagination-number:hover:not(.active) {
    background: var(--bg-tertiary);
    border-color: var(--primary-400);
    color: var(--primary-400);
}

.pagination-number.active {
    background: var(--gradient-button);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.35);
    cursor: default;
}

.pagination-ellipsis {
    padding: 0 0.5rem;
    color: var(--text-secondary);
    font-weight: 500;
}

@media (max-width: 640px) {
    .pagination-container {
        padding: 1rem;
    }
    
    .pagination-buttons {
        width: 100%;
    }
    
    .pagination-numbers {
        flex-wrap: wrap;
        justify-content: center;
    }
}