/**
 * Developer Shortlink Theme - Main Stylesheet
 * Stripe-inspired minimal design
 * 
 * @package Developer_Shortlink
 */

/* ==========================================================================
   CSS Variables
   ========================================================================== */
:root {
    /* Colors */
    --color-primary: #635bff;
    --color-primary-dark: #5851ea;
    --color-primary-light: #7a73ff;
    --color-secondary: #0a2540;
    --color-success: #00d4aa;
    --color-warning: #ffc107;
    --color-error: #ff5b5b;
    --color-info: #00bcd4;
    
    /* Grays */
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-dark: linear-gradient(135deg, #0a2540 0%, #1e3a5f 100%);
    
    /* Typography */
    --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', 'Droid Sans Mono', monospace;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    --spacing-4xl: 96px;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --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 -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Layout */
    --container-max: 1200px;
    --container-narrow: 720px;
    --header-height: 72px;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: #fff;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--spacing-md);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-secondary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin: 0 0 var(--spacing-md);
}

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

a:hover {
    color: var(--color-primary-dark);
}

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

ul, ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

/* Screen Reader Text */
.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link:focus {
    position: fixed;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 9999;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-md);
    width: auto;
    height: auto;
    clip: auto;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.site-main {
    min-height: calc(100vh - var(--header-height) - 200px);
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-gray-100);
    height: var(--header-height);
}

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

.site-branding {
    flex-shrink: 0;
}

.site-branding a {
    display: flex;
    align-items: center;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    text-decoration: none;
}

.site-title:hover {
    color: var(--color-primary);
}

/* Navigation */
.main-navigation {
    display: none;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-menu li a {
    display: block;
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-menu li a:hover,
.nav-menu li.current-menu-item a {
    color: var(--color-primary);
}

.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
}

.hamburger {
    position: relative;
    width: 20px;
    height: 2px;
    background: var(--color-gray-700);
    transition: background var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-gray-700);
    transition: transform var(--transition-fast);
}

.hamburger::before { top: -6px; }
.hamburger::after { bottom: -6px; }

/* User Menu */
.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

@media (min-width: 768px) {
    .main-navigation {
        display: block;
    }
    
    .menu-toggle {
        display: none;
    }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 10px 20px;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
    color: #fff;
}

.btn-secondary {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.btn-secondary:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-800);
}

.btn-outline {
    background: transparent;
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-300);
}

.btn-outline:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-400);
    color: var(--color-gray-800);
}

.btn-ghost {
    background: transparent;
    color: var(--color-gray-600);
}

.btn-ghost:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-800);
}

.btn-white {
    background: #fff;
    color: var(--color-secondary);
    box-shadow: var(--shadow-md);
}

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

.btn-lg {
    padding: 14px 28px;
    font-size: 1rem;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.875rem;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group.inline {
    display: flex;
    gap: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.form-link {
    font-size: 0.875rem;
    font-weight: 500;
}

.form-input {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--color-gray-800);
    background: #fff;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 91, 255, 0.15);
}

.form-hint {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    padding: var(--spacing-4xl) 0;
    text-align: center;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}

.hero-content {
    max-width: 640px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-2xl);
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 640px) {
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}

/* ==========================================================================
   Shortener Form
   ========================================================================== */
.shortener-form {
    max-width: 560px;
    margin: 0 auto;
}

.shortener-form .form-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.shortener-form .form-input {
    flex: 1;
    padding: 16px 20px;
    font-size: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 2px solid transparent;
}

.shortener-form .form-input:focus {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg), 0 0 0 3px rgba(99, 91, 255, 0.15);
}

.shortener-form .btn {
    padding: 16px 32px;
    border-radius: var(--radius-lg);
}

/* Result Box */
.result-container {
    margin-top: var(--spacing-lg);
}

.result-box {
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.result-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-sm);
}

.result-link-wrapper {
    display: flex;
    gap: var(--spacing-sm);
}

.result-input {
    flex: 1;
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 0.9375rem;
    background: #fff;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

/* Error Message */
.error-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: #fff5f5;
    border: 1px solid #feb2b2;
    border-radius: var(--radius-md);
    color: var(--color-error);
    font-size: 0.9375rem;
    text-align: center;
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s linear infinite;
}

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

@media (max-width: 640px) {
    .shortener-form .form-group {
        flex-direction: column;
    }
    
    .shortener-form .btn {
        width: 100%;
    }
    
    .result-link-wrapper {
        flex-direction: column;
    }
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features {
    padding: var(--spacing-4xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-xl);
    background: #fff;
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-gray-200);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-lg);
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
}

.feature-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.feature-desc {
    color: var(--color-gray-500);
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* ==========================================================================
   Stats Section
   ========================================================================== */
.stats-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-50);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--color-gray-500);
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
    padding: var(--spacing-4xl) 0;
}

.cta-box {
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3xl);
    text-align: center;
}

.cta-title {
    color: #fff;
    margin-bottom: var(--spacing-md);
}

.cta-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
}

/* ==========================================================================
   Dashboard
   ========================================================================== */
.dashboard-page {
    padding: var(--spacing-xl) 0 var(--spacing-4xl);
    background: var(--color-gray-50);
    min-height: calc(100vh - var(--header-height));
}

.dashboard-header {
    margin-bottom: var(--spacing-xl);
}

.dashboard-title {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
}

.dashboard-subtitle {
    color: var(--color-gray-500);
    margin: 0;
}

/* Stats Cards */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-100);
}

.stat-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.stat-card-icon.blue {
    background: rgba(99, 91, 255, 0.1);
    color: var(--color-primary);
}

.stat-card-icon.green {
    background: rgba(0, 212, 170, 0.1);
    color: var(--color-success);
}

.stat-card-icon.purple {
    background: rgba(118, 75, 162, 0.1);
    color: #764ba2;
}

.stat-card-icon.orange {
    background: rgba(255, 193, 7, 0.1);
    color: var(--color-warning);
}

.stat-card-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1.2;
}

.stat-card-label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* Dashboard Card */
.dashboard-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-100);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-100);
}

.card-title {
    font-size: 1.125rem;
    margin: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-body.no-padding {
    padding: 0;
}

/* Data Table */
.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.data-table th,
.data-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-100);
}

.data-table th {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    background: var(--color-gray-50);
}

.data-table tbody tr:hover {
    background: var(--color-gray-50);
}

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

/* Link Cell */
.link-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.short-link {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-primary);
}

.copy-link-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    background: var(--color-gray-100);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-gray-500);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.copy-link-btn:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-700);
}

.original-url {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.time-ago {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.badge-blue {
    background: rgba(99, 91, 255, 0.1);
    color: var(--color-primary);
}

.badge-green {
    background: rgba(0, 212, 170, 0.1);
    color: var(--color-success);
}

/* Action Button */
.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    color: var(--color-gray-400);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

/* Empty State */
.empty-state {
    padding: var(--spacing-3xl);
    text-align: center;
}

.empty-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: var(--color-gray-100);
    border-radius: 50%;
    color: var(--color-gray-400);
}

.empty-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.empty-text {
    color: var(--color-gray-500);
    margin: 0;
}

/* ==========================================================================
   Auth Pages
   ========================================================================== */
.auth-page {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    background: var(--color-gray-50);
}

.auth-container {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 960px;
    margin: var(--spacing-xl) auto;
    padding: 0 var(--spacing-lg);
}

.auth-box {
    background: #fff;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-2xl);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.auth-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
    color: var(--color-gray-500);
    margin: 0;
}

.auth-form {
    margin-bottom: var(--spacing-lg);
}

.auth-footer {
    text-align: center;
    color: var(--color-gray-500);
}

.auth-footer a {
    font-weight: 600;
}

/* Auth Decoration */
.auth-decoration {
    display: none;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    color: #fff;
}

.decoration-content h2 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.decoration-content p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xl);
}

.decoration-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.decoration-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9375rem;
}

.decoration-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

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

.decoration-stat .stat-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.decoration-stat .stat-label {
    font-size: 0.8125rem;
    opacity: 0.8;
}

/* Alert */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9375rem;
}

.alert-error {
    background: #fff5f5;
    border: 1px solid #feb2b2;
    color: var(--color-error);
}

.alert ul {
    margin: 0;
    padding-left: var(--spacing-lg);
    list-style: disc;
}

@media (min-width: 768px) {
    .auth-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }
    
    .auth-decoration {
        display: flex;
        align-items: center;
    }
}

/* ==========================================================================
   Breadcrumb
   ========================================================================== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.breadcrumb a {
    color: var(--color-gray-500);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.breadcrumb-sep {
    color: var(--color-gray-300);
}

/* ==========================================================================
   Error Page
   ========================================================================== */
.error-page {
    min-height: calc(100vh - var(--header-height) - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-2xl);
}

.error-code {
    font-size: 8rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-lg);
}

.error-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.error-message {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xl);
}

/* ==========================================================================
   Content Pages
   ========================================================================== */
.content-page {
    padding: var(--spacing-2xl) 0 var(--spacing-4xl);
}

.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: 2rem;
}

.entry-content {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
    margin-top: var(--spacing-xl);
}

.entry-content p {
    margin-bottom: var(--spacing-lg);
}

/* Posts */
.posts-list {
    display: grid;
    gap: var(--spacing-xl);
}

.post-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-100);
}

.post-thumbnail img {
    border-radius: var(--radius-md);
}

.post-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.post-title a {
    color: var(--color-secondary);
}

.post-title a:hover {
    color: var(--color-primary);
}

.post-meta {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-md);
}

.post-excerpt {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    font-size: 0.9375rem;
}

@media (min-width: 768px) {
    .post-card {
        grid-template-columns: 200px 1fr;
    }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--color-secondary);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.site-footer .site-title {
    color: #fff;
}

.footer-tagline {
    margin: var(--spacing-md) 0 0;
    font-size: 0.9375rem;
}

.footer-menu {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md) var(--spacing-xl);
}

.footer-menu a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-menu a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    font-size: 0.875rem;
    margin: 0;
}

@media (min-width: 768px) {
    .footer-inner {
        grid-template-columns: 1fr auto auto;
        align-items: start;
    }
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-sm) !important; }
.mb-2 { margin-bottom: var(--spacing-md) !important; }
.mb-3 { margin-bottom: var(--spacing-lg) !important; }
.mb-4 { margin-bottom: var(--spacing-xl) !important; }

.hidden { display: none !important; }

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
    .site-header,
    .site-footer,
    .btn,
    .no-print {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: #000;
    }
    
    a {
        color: #000;
        text-decoration: underline;
    }
}