:root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #404040;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --accent-primary: var(--theme-color);
    --accent-secondary: #4ecdc4;
    --border-color: #555555;
    --success: #51cf66;
    --warning: #ffd43b;
    --error: #ff6b6b;
    
    /* Responsive spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Responsive font sizes */
    --font-xs: 0.75rem;
    --font-sm: 0.875rem;
    --font-base: 1rem;
    --font-lg: 1.125rem;
    --font-xl: 1.25rem;
    --font-2xl: 1.5rem;
    --font-3xl: 2rem;
    --font-4xl: 2.5rem;
}

[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --text-primary: #212529;
    --text-secondary: #495057;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    background-image: url('/static/images/bg.png');
    color: var(--text-primary);
    line-height: 1.6;
    transition: all 0.3s ease;
    font-size: var(--font-base);
}

/* Container with responsive padding */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    color: #ccc;
    padding: 30px 20px;
    font-size: 0.9rem;
}

.footer-grid {
    display: flex;
    flex-direction: row;
    justify-content: center;
    gap: 60px;
    text-align: center;
    flex-wrap: wrap;
}

.partners, .legal { min-width: 200px; }
.partners h2, .legal h2 { font-size: 1rem; margin-bottom: 10px; color: #aaa; text-align: center; }

.partner-list, .legal nav { display: flex; flex-direction: column; gap: 6px; align-items: center; }
.partner-list a, .legal a {
    color: #80bfff;
    text-decoration: none;
}
.partner-list a:hover, .legal a:hover { text-decoration: underline; }

.footer-bottom {
    margin-top: 20px;
    border-top: 1px solid #333;
    padding-top: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
}

.social-links {
    display: flex;
    gap: 12px;
    justify-content: center;
    padding: 10px;
}
.social-links a { color: #ccc; text-decoration: none; }
.social-links svg { width: 24px; height: 24px; fill: currentColor; }

/* Typography - Mobile First */
h1 { font-size: var(--font-2xl); font-weight: 700; margin-bottom: var(--spacing-md); }
h2 { font-size: var(--font-xl); font-weight: 600; margin-bottom: var(--spacing-md); }
h3 { font-size: var(--font-lg); font-weight: 600; margin-bottom: var(--spacing-sm); }
h4 { font-size: var(--font-base); font-weight: 600; margin-bottom: var(--spacing-sm); }

/* Header - Mobile First */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1002;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    position: relative;
}

.logo {
    font-size: var(--font-xl);
    font-weight: bold;
    color: var(--accent-primary);
    text-decoration: none;
}

/* Mobile Navigation */
.nav-links {
    position: fixed;
    top: 0;
    left: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-2xl) var(--spacing-lg);
    list-style: none;
    transition: left 0.3s ease;
    z-index: 1000;
}

.nav-links.active {
    left: 0;
}

.nav-links li {
    margin-bottom: 5px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-lg);
    transition: color 0.3s ease;
    display: block;
    padding: var(--spacing-sm) 0;
}

.nav-links a:hover {
    color: var(--accent-primary);
}

/* Mobile menu toggle */
.nav-toggle {
    display: block;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: var(--font-xl);
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 1001;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.nav-actions > div {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Mobile overlay */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-sm);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: var(--font-sm);
}

.theme-toggle:hover {
    background-color: var(--bg-tertiary);
}

/* Main Content */
.main {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-lg) 0;
}

.hero {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-lg) 0;
}

.hero h1 {
    font-size: var(--font-3xl);
    margin-bottom: var(--spacing-md);
    color: var(--accent-primary);
}

.hero p {
    font-size: var(--font-lg);
    color: var(--text-secondary);
}

/* Cards - Mobile First */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: var(--spacing-lg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: var(--spacing-lg);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

.manga-card {
    position: relative;
    overflow: hidden;
}

.manga-cover {
    width: auto;
    height: 250px;
    object-fit: cover;
    border-radius: 5px;
    margin-bottom: var(--spacing-md);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.manga-cover.loaded {
  opacity: 1;
}

.manga-info h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: var(--font-lg);
}

.manga-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.tag {
    background-color: var(--accent-secondary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 15px;
    font-size: var(--font-xs);
    white-space: nowrap;
}

.status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: var(--font-xs);
    font-weight: bold;
    text-transform: uppercase;
}

.status.active { background-color: var(--success); color: white; }
.status.on_hold { background-color: var(--warning); color: black; }
.status.finished { background-color: #2196f3; color: white; }
.status.licensed { background-color: #ff0000; color: white; }
.status.cancelled { background-color: var(--error); color: white; }

/* Buttons - Touch Friendly */
.btn {
    display: inline-flex; /* instead of inline-block */
    align-items: center;  /* vertical center */
    justify-content: center; /* horizontal center */
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--accent-primary);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: var(--font-base);
    font-weight: 500;
    min-height: 44px;
    line-height: 1.2;
}

.btn:hover {
    background-color: #ff5252;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background-color: var(--border-color);
}

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

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: var(--font-sm);
}

.form-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--font-base);
    min-height: 44px; /* Touch-friendly */
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(255, 107, 107, 0.2);
}

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

/* Tables - Mobile Responsive */
.table-container {
    width: 100%;
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-secondary);
    min-width: 600px; /* Minimum width for horizontal scroll */
}

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: var(--font-sm);
}

.table th {
    background-color: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
    position: sticky;
    top: 0;
}

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

/* Reader - Mobile Optimized */
.reader-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-sm);
}

.reader-controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: 10px;
    position: sticky;
    top: 70px;
    z-index: 100;
}

.reader-mode-controls {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    order: 3;
    width: 100%;
    justify-content: center;
}

.reader-page {
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.reader-page img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
}

/* Admin Panel - Mobile Responsive */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 250px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-xl) var(--spacing-md);
    position: fixed;
    left: -250px;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    transition: left 0.3s ease;
    z-index: 1001;
}

.admin-sidebar.active {
    left: 0;
}

.admin-content {
    flex: 1;
    padding: var(--spacing-lg);
    width: 100%;
}

.admin-nav {
    list-style: none;
}

.admin-nav li {
    margin-bottom: var(--spacing-sm);
}

.admin-nav a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
}

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

/* Admin toggle button */
.admin-toggle {
    display: block;
    position: fixed;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    background: var(--accent-primary);
    color: white;
    border: none;
    padding: var(--spacing-sm);
    border-radius: 5px;
    cursor: pointer;
    z-index: 1002;
    font-size: var(--font-lg);
}

/* Support sections - Mobile Stack */
.support-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: stretch;
}

.support-container-donations {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: stretch;
}

.patreon-section,
.discord-widget {
    background-color: var(--bg-secondary);
    border-radius: 10px;
    padding: var(--spacing-lg);
    width: 100%;
    min-height: auto;
}

.patreon-section {
    text-align: center;
    background: linear-gradient(135deg, #4284ff, #80b3ff);
    color: white;
}

.patreon-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-2xl);
}

/* Notifications - Mobile Optimized */
.notification-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-sm);
    left: var(--spacing-sm);
    z-index: 10000;
    pointer-events: none;
}

.notification {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-left: 4px solid var(--accent-primary);
    pointer-events: auto;
    position: relative;
    overflow: hidden;
    transform: translateY(-20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.notification.show {
    transform: translateY(0);
    opacity: 1;
}

.notification.hide {
    transform: translateY(-20px);
    opacity: 0;
}

/* Notification Types */
.notification.success { border-left-color: #10b981; }
.notification.error { border-left-color: #ef4444; }
.notification.warning { border-left-color: #f59e0b; }
.notification.info { border-left-color: #3b82f6; }

.notification-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.notification-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-top: 0.125rem;
}

.notification-text {
    flex: 1;
    font-size: var(--font-sm);
    line-height: 1.4;
}

.notification-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: none;
    border: none;
    color: var(--text-primary);
    opacity: 0.5;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: 3px;
    transition: opacity 0.2s;
}

.notification-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-sm);
}

/* Authentication */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    padding: var(--spacing-lg);
}

.auth-card {
    background-color: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.auth-card h1 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.checkbox-container input[type="checkbox"] {
    margin: 0;
    accent-color: var(--accent-primary);
}

.auth-links {
    text-align: center;
    margin-top: var(--spacing-lg);
}

.auth-links a {
    color: var(--accent-primary);
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Loading States */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--accent-primary);
    animation: spin 1s ease-in-out infinite;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

/* RESPONSIVE BREAKPOINTS */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .card-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .manga-cover {
        height: 300px;
    }
    
    .notification-container {
        right: var(--spacing-lg);
        left: auto;
        max-width: 400px;
    }
    
    .notification {
        transform: translateX(100%);
    }
    
    .notification.show {
        transform: translateX(0);
    }
    
    .notification.hide {
        transform: translateX(100%);
    }
    
    .support-container-donations {
        flex-direction: row;
    }
}

@media all and (max-width: 767px) {
    .logo {
        flex: 0 1 auto;
    }

    .btn.btn-secondary {
        line-height: 44px;
        text-align: center;
    }

    .nav-toggle {
        position: absolute;
        right: 0;
    }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    :root {
        --font-base: 1rem;
        --font-lg: 1.25rem;
        --font-xl: 1.5rem;
        --font-2xl: 1.75rem;
        --font-3xl: 2.25rem;
        --font-4xl: 3rem;
    }
    
    .nav-toggle {
        display: none;
    }

    
    .nav-links {
        position: static;
        width: auto;
        height: auto;
        background: none;
        border: none;
        display: flex;
        flex-direction: row;
        padding: 0;
        gap: var(--spacing-xl);
    }
    
    .nav-links li {
        margin-bottom: 0;
    }
    
    .nav-links a {
        font-size: var(--font-base);
        padding: var(--spacing-sm) 0;
    }
    
    .nav-overlay {
        display: none;
    }
    
    .hero h1 {
        font-size: var(--font-4xl);
    }
    
    .card-grid {
        grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    }
    
    .reader-controls {
        flex-wrap: nowrap;
    }
    
    .reader-mode-controls {
        order: initial;
        width: auto;
        justify-content: initial;
    }
    
    .support-container {
        flex-direction: row;
        align-items: flex-start;
    }
    
    .patreon-section,
    .discord-widget {
        flex: 1;
        min-width: 300px;
        min-height: 400px;
    }
    
    .patreon-icon {
        width: 128px;
        height: 128px;
        font-size: var(--font-3xl);
    }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
    
    .admin-sidebar {
        position: static;
        left: 0;
    }
    
    .admin-content {
        margin-left: 0;
        padding: var(--spacing-xl);
    }
    
    .admin-toggle {
        display: none;
    }
    
    .card-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .manga-cover {
        height: 350px;
    }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
    .card-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .hero h1 {
        font-size: var(--font-4xl);
    }
}

/* Project detail page responsive */
.project-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.project-header img {
    width: 100%;
    max-width: 300px;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
    margin: 0 auto;
}

.project-info {
    flex: 1;
}

@media (min-width: 768px) {
    .project-header {
        flex-direction: row;
        align-items: flex-start;
    }
    
    .project-header img {
        margin: 0;
        flex-shrink: 0;
    }
}

/* Chapter list responsive */
.chapter-list {
    margin-top: var(--spacing-xl);
}

.chapter-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease;
}

.chapter-item:hover {
    background-color: var(--bg-tertiary);
}

.chapter-info h4 {
    margin-bottom: var(--spacing-xs);
}

.chapter-meta {
    font-size: var(--font-sm);
    color: var(--text-muted);
}

.chapter-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

@media (min-width: 768px) {
    .chapter-item {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .chapter-actions {
        flex-wrap: nowrap;
    }
}

/* Admin forms responsive */
.admin-form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .admin-form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Drop zone responsive */
.drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--accent-primary);
    background-color: rgba(255, 107, 107, 0.1);
}

.file-list {
    margin-top: var(--spacing-md);
}

.file-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--bg-tertiary);
    border-radius: 5px;
    margin-bottom: var(--spacing-sm);
}

@media (min-width: 576px) {
    .file-item {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* Print styles */
@media print {
    .header,
    .footer,
    .nav,
    .admin-sidebar,
    .notification-container {
        display: none;
    }
    
    .main {
        padding: 0;
    }
    
    .container {
        max-width: none;
        margin: 0;
        padding: 0;
    }
}

.reader-controls {
  flex-wrap: wrap;

  > span {
     min-width: 100%;
     text-align: center;
     padding-bottom: 10px;
  }

  #prev-btn, #next-btn, .btn {
    flex: 1;
  }

  .reader-mode-controls {
    min-width: 100%;
    display: flex;

    #reader-mode-btn {
      flex: 1;
    }
  }
}

@media all and (max-width: 1023px) {
    .reader-controls {
        #prev-btn, #next-btn {
            flex: 1;
        }

        .btn {
            flex: 0 1 auto;
        }
    }
}