/* PyURL - Professional Design inspired by modern link shorteners */

:root {
    /* Professional color palette */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #141414;
    --bg-glass: rgba(20, 20, 20, 0.8);
    --border-color: #2a2a2a;
    --border-focus: #3b82f6;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    /* Brand colors */
    --brand-primary: #3b82f6;
    --brand-primary-hover: #2563eb;
    --brand-secondary: #10b981;
    --brand-accent: #8b5cf6;
    --brand-warning: #f59e0b;
    --brand-danger: #ef4444;
    --brand-success: #22c55e;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #10b981 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    
    /* Shadows and effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 0 1px rgba(59, 130, 246, 0.15), 0 4px 12px rgba(59, 130, 246, 0.15);
    
    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-size: var(--font-size-base);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
}

/* Professional Navigation */
.navbar-glass {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.navbar-brand {
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--text-primary) !important;
    text-decoration: none;
    transition: var(--transition-fast);
}

.navbar-brand:hover {
    transform: translateY(-1px);
}

.brand-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    transition: var(--transition-fast);
}

.brand-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: var(--space-sm) var(--space-md) !important;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary) !important;
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
}

.dropdown-menu {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
    margin-top: var(--space-sm);
}

.dropdown-item {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    margin: 2px var(--space-xs);
    transition: var(--transition-fast);
}

.dropdown-item:hover {
    color: var(--text-primary);
    background: rgba(59, 130, 246, 0.1);
}
/* Main Content Layout */
.main-content {
    flex: 1;
    padding-top: var(--space-2xl);
}

/* Hero Section */
.hero-section {
    padding: var(--space-2xl) 0;
    text-align: center;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.15) 0%, transparent 50%);
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.02"><circle cx="30" cy="30" r="1"/></g></svg>');
    pointer-events: none;
}

.hero-badge .badge {
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(59, 130, 246, 0.2);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.6;
}

/* Trust Indicators */
.trust-indicators {
    margin: var(--space-2xl) 0;
}

.trust-item {
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: var(--transition-base);
}

.trust-item:hover {
    transform: translateY(-2px);
    background: rgba(59, 130, 246, 0.1);
}

.trust-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--brand-primary);
    line-height: 1;
}

.trust-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--space-xs);
    font-weight: 500;
}

/* Shortener Section */
.shortener-section {
    padding: var(--space-2xl) 0;
}

.shortener-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.shortener-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0.5;
}

.shortener-form .form-label {
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.form-control {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-base);
    transition: var(--transition-base);
    position: relative;
}

.form-control:focus {
    background: var(--bg-tertiary);
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-glow);
    color: var(--text-primary);
}

.form-control::placeholder {
    color: var(--text-muted);
    opacity: 1;
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.custom-code-group .input-group-text {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-right: none;
    color: var(--text-secondary);
    font-weight: 500;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.btn-shorten {
    background: var(--gradient-primary);
    border: none;
    color: white;
    font-weight: 600;
    padding: var(--space-md) var(--space-2xl);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    position: relative;
    overflow: hidden;
    transition: var(--transition-base);
    min-width: 200px;
}

.btn-shorten:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: var(--gradient-primary);
}

.btn-shorten:focus {
    box-shadow: var(--shadow-glow);
}

.btn-shorten::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: var(--transition-slow);
}

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

/* Result Section */
.result-section {
    animation: slideIn 0.5s ease-out;
}

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

.result-card {
    background: var(--bg-tertiary);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.short-url-display .form-control {
    background: var(--bg-card);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--brand-primary);
}

/* Features Section */
.features-section {
    padding: var(--space-2xl) 0;
    background: rgba(16, 185, 129, 0.02);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-xl);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-base);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 24px;
    color: white;
    transition: var(--transition-base);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* CTA Section */
.cta-section {
    padding: var(--space-2xl) 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23ffffff" opacity="0.05"/><circle cx="75" cy="75" r="1" fill="%23ffffff" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: white;
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-2xl);
}

.cta-buttons .btn {
    margin: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
}

.cta-buttons .btn:hover {
    transform: translateY(-2px);
}

/* Professional Footer */
.footer-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer-title {
    color: var(--text-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--space-xs);
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--text-primary);
    transform: translateX(3px);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .social-links {
        justify-content: flex-end;
    }
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-base);
    font-size: var(--font-size-base);
}

.social-link:hover {
    background: var(--brand-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: var(--font-size-lg);
    }
    
    .shortener-card .card-body {
        padding: var(--space-lg) !important;
    }
    
    .btn-shorten {
        width: 100%;
        margin-top: var(--space-md);
    }
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-primary) !important;
    text-decoration: none;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: color 0.2s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--text-primary) !important;
}

/* Main container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: all 0.2s ease;
}

.card:hover {
    border-color: #2a2a2a;
    box-shadow: var(--shadow-xl);
}

.card-header {
    background: transparent !important;
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
}

.card-body {
    padding: 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1rem;
}

.display-4 {
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #10b981);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.lead {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Forms */
.form-control {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-size: 14px;
    padding: 0.75rem 1rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    background: var(--bg-tertiary);
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
    color: var(--text-primary);
}

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

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-text {
    color: var(--text-muted);
    font-size: 12px;
}

.input-group-text {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-control {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group-lg .form-control {
    font-size: 16px;
    padding: 1rem 1.25rem;
}

/* Buttons */
.btn {
    font-weight: 500;
    border-radius: var(--radius-md);
    padding: 0.75rem 1.5rem;
    border: none;
    font-size: 14px;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-blue-hover);
    color: white;
    transform: translateY(-1px);
}

.btn-success {
    background: var(--accent-green);
    color: white;
}

.btn-warning {
    background: var(--accent-orange);
    color: white;
}

.btn-outline-secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

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

.btn-outline-primary {
    background: transparent;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
}

.btn-outline-primary:hover {
    background: var(--accent-blue);
    color: white;
}

.btn-outline-warning {
    background: transparent;
    border: 1px solid var(--accent-orange);
    color: var(--accent-orange);
}

.btn-outline-warning:hover {
    background: var(--accent-orange);
    color: white;
}

.btn-outline-danger {
    background: transparent;
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
}

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

.btn-outline-info {
    background: transparent;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
}

.btn-outline-info:hover {
    background: var(--accent-blue);
    color: white;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 13px;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 16px;
}

/* Alerts */
.alert {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    margin-bottom: 1rem;
}

.alert-success {
    background: rgb(16 185 129 / 0.1);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.alert-danger {
    background: rgb(239 68 68 / 0.1);
    border-color: var(--accent-red);
    color: var(--accent-red);
}

.alert-warning {
    background: rgb(245 158 11 / 0.1);
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

/* Badges */
.badge {
    font-weight: 500;
    border-radius: var(--radius-sm);
    font-size: 11px;
    padding: 0.375rem 0.75rem;
}

.badge.bg-primary {
    background: var(--accent-blue) !important;
}

.badge.bg-success {
    background: var(--accent-green) !important;
}

/* Tables */
.table {
    color: var(--text-primary);
    background: transparent;
}

.table th {
    border-top: none;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 1rem;
}

.table td {
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    vertical-align: middle;
}

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

/* Loading animation */
.spinner-border {
    color: var(--accent-blue);
}

/* Feature cards */
.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all 0.2s ease;
    height: 100%;
}

.feature-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.feature-card i {
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.feature-card h5 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    margin: 0;
}

/* Footer */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 2rem 0;
    margin-top: auto;
}

/* Utilities */
.text-primary {
    color: var(--text-primary) !important;
}

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

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

.bg-primary {
    background: var(--accent-blue) !important;
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

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

.pulse {
    animation: pulse 2s infinite;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-2px); }
    20%, 40%, 60%, 80% { transform: translateX(2px); }
}

.error-shake {
    animation: shake 0.5s ease-in-out;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group .btn {
        border-radius: var(--radius-md) !important;
        margin-bottom: 0.25rem;
    }
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

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

/* Focus styles for accessibility */
.btn:focus,
.form-control:focus {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* Hide Bootstrap default styles that conflict */
.form-control:focus,
.btn:focus {
    box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}

/* Toast notifications */
.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

/* Hero section styling */
.hero-section {
    background: radial-gradient(circle at 50% 0%, rgb(59 130 246 / 0.1) 0%, transparent 50%);
    padding: 4rem 0;
}

/* Stats display */
.stats-display {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
}

.stats-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    line-height: 1;
}

.stats-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.5rem;
}

/* Professional Links Management Styles */
.stats-card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    margin-bottom: 24px;
}

.stats-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.stats-card .stats-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 24px;
    color: white;
}

.stats-card .stats-icon.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), #667eea);
}

.stats-card .stats-icon.bg-success {
    background: linear-gradient(135deg, #10b981, #34d399);
}

.stats-card .stats-icon.bg-warning {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

.stats-card .stats-icon.bg-info {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
}

.stats-card .stats-content h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 4px;
}

.stats-card .stats-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* Links Table Styles */
.links-table {
    border-collapse: separate;
    border-spacing: 0;
}

.links-table thead th {
    background: rgba(255, 255, 255, 0.05);
    border: none;
    padding: 16px;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.links-table tbody tr {
    transition: all 0.3s ease;
}

.links-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: scale(1.01);
}

.links-table tbody td {
    padding: 16px;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    vertical-align: middle;
}

.short-link-container {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 8px 12px;
    gap: 8px;
}

.short-link-input {
    background: transparent !important;
    border: none !important;
    color: var(--accent-color) !important;
    font-weight: 500;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.btn-copy {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-copy:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
}

.badge-custom {
    background: linear-gradient(135deg, var(--accent-color), #fbbf24);
    color: white;
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 6px;
    font-weight: 500;
}

.original-url-container {
    padding: 8px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
}

.badge-clicks {
    background: linear-gradient(135deg, var(--primary-color), #667eea);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
}

.date-info {
    line-height: 1.3;
}

.btn-action {
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-muted);
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
}

.btn-action:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn-visit:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: #3b82f6;
    color: #3b82f6;
}

.btn-stats:hover {
    background: rgba(16, 185, 129, 0.2);
    border-color: #10b981;
    color: #10b981;
}

.btn-edit:hover {
    background: rgba(245, 158, 11, 0.2);
    border-color: #f59e0b;
    color: #f59e0b;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 40px;
}

.empty-icon {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 32px;
    font-size: 48px;
    color: var(--text-muted);
}

.empty-state h4 {
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 16px;
}

.empty-state p {
    max-width: 400px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

/* Link Row Animations */
.link-row {
    transition: all 0.3s ease;
}

.link-row:hover {
    background: rgba(255, 255, 255, 0.05);
}

.link-checkbox {
    transform: scale(1.2);
    accent-color: var(--accent-color);
}

/* Edit Page Styles */
.info-item {
    margin-bottom: 16px;
}

.info-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    font-weight: 500;
}

.info-value {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    color: var(--text-color);
    font-weight: 500;
}

.badge-success {
    background: linear-gradient(135deg, #10b981, #34d399);
    color: white;
    font-size: 0.8rem;
    padding: 6px 12px;
    border-radius: 8px;
    font-weight: 500;
}

.btn-gradient-warning {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    border: none;
    color: white;
    font-weight: 600;
    border-radius: 12px;
    padding: 12px 24px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-gradient-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.4);
    color: white;
}

.deletion-info {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 16px;
    margin-top: 16px;
}

/* Modal Styles */
.modal-content {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(20px);
}

.modal-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-title {
    color: var(--text-color);
    font-weight: 600;
}

/* Stats Page Specific Styles */
.performance-chart {
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-placeholder {
    text-align: center;
    padding: 40px 20px;
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
}

.chart-icon {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.performance-stats {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.stats-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.stats-item .stats-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    font-weight: 500;
}

.stats-item .stats-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color);
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.quick-actions .btn {
    transition: all 0.3s ease;
}

.quick-actions .btn:hover {
    transform: translateY(-2px);
}

.insight-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.insight-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.insight-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.insight-icon.text-info {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.insight-icon.text-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

.insight-icon.text-success {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.insight-icon.text-primary {
    background: rgba(139, 92, 246, 0.2);
    color: #8b5cf6;
}

.insight-content h6 {
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 0.9rem;
}

.insight-content p {
    margin: 0;
    line-height: 1.4;
}

/* Responsive adjustments for stats page */
@media (max-width: 992px) {
    .performance-stats {
        flex-direction: row;
        gap: 16px;
    }
    
    .stats-item {
        flex: 1;
        padding: 16px 12px;
    }
    
    .stats-item .stats-value {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .performance-stats {
        flex-direction: column;
        gap: 12px;
    }
    
    .chart-placeholder {
        padding: 30px 15px;
    }
    
    .chart-icon {
        font-size: 36px;
    }
    
    .insight-item {
        padding: 12px 0;
    }
}