/* Comix Reader - Mobile-first styles */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #21262d;
    --bg-input: #0d1117;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #58a6ff;
    --accent-hover: #79b8ff;
    --success: #3fb950;
    --warning: #d29922;
    --error: #f85149;
    --border: #30363d;
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* App container */
.app {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px;
    padding-bottom: 32px;
}

/* Header */
.header {
    text-align: center;
    padding: 24px 0;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), #a371f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
}

/* Input section */
.input-section {
    margin: 24px 0;
}

.input-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.input-group input {
    flex: 1;
    min-width: 200px;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.input-group input:focus {
    border-color: var(--accent);
}

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

.hint {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 8px;
    padding-left: 4px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

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

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

.btn-full {
    width: 100%;
    margin-top: 16px;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Preview section */
.preview-section {
    margin: 24px 0;
}

.preview-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.preview-card h2 {
    font-size: 18px;
    margin-bottom: 16px;
}

.preview-stats {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.groups-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.group-tag {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 4px 10px;
    font-size: 12px;
    color: var(--text-secondary);
}

.db-status {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

/* Progress section */
.progress-section {
    margin: 24px 0;
}

.progress-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.progress-card h2 {
    font-size: 16px;
    margin-bottom: 12px;
}

.progress-bar-container {
    background: var(--bg-secondary);
    border-radius: 20px;
    height: 24px;
    overflow: hidden;
    margin-bottom: 12px;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), #a371f7);
    border-radius: 20px;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    transition: width 0.3s;
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-details {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-secondary);
}

.progress-status {
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.progress-failed {
    color: var(--error);
}

.log-panel {
    margin-top: 12px;
    font-size: 12px;
}

.log-panel summary {
    cursor: pointer;
    color: var(--accent);
}

.log-content {
    margin-top: 8px;
    max-height: 200px;
    overflow: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
    font-size: 11px;
    line-height: 1.4;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
}

/* Comic list */
.comics-section {
    margin: 32px 0;
}

.section-title {
    font-size: 18px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.comic-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.comic-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s;
}

.comic-card:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}

.comic-card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.comic-card-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

.comic-card-progress {
    margin-top: 10px;
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
}

.comic-card-progress-bar {
    height: 100%;
    background: var(--success);
    transition: width 0.3s;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 960px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 18px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 80%;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body {
    overflow-y: auto;
    padding: 12px;
    flex: 1;
}

/* Chapter list */
.chapter-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chapter-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius);
    transition: background 0.2s;
}

.chapter-item-main {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    cursor: pointer;
    min-width: 0;
}

.chapter-item-actions {
    flex-shrink: 0;
}

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

.chapter-number {
    font-weight: 600;
    min-width: 60px;
    color: var(--accent);
}

.chapter-group {
    font-size: 11px;
    color: var(--text-muted);
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 4px;
}

.chapter-status {
    margin-left: auto;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
}

.chapter-status.complete {
    background: rgba(63, 185, 80, 0.2);
    color: var(--success);
}

.chapter-status.downloading, .chapter-status.crawling {
    background: rgba(210, 153, 34, 0.2);
    color: var(--warning);
}

.chapter-status.failed {
    background: rgba(248, 81, 73, 0.2);
    color: var(--error);
}

.chapter-status.partial {
    background: rgba(210, 153, 34, 0.2);
    color: var(--warning);
}

.chapter-status.pending {
    background: rgba(139, 148, 158, 0.2);
    color: var(--text-secondary);
}

.chapter-pages {
    font-size: 12px;
    color: var(--text-secondary);
}

.manager-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
}

.manager-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.manager-row select {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 8px;
    min-width: 180px;
}

.selection-count {
    color: var(--text-secondary);
    font-size: 12px;
}

.chapter-manager-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
}

.chapter-manager-number {
    width: 72px;
    color: var(--accent);
    font-weight: 700;
    flex-shrink: 0;
    padding-top: 6px;
}

.chapter-manager-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    flex: 1;
}

.variant-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 14px;
    padding: 5px 8px;
    border: 1px solid var(--border);
    font-size: 11px;
}

.variant-tag.complete {
    background: rgba(63, 185, 80, 0.18);
    border-color: rgba(63, 185, 80, 0.5);
}

.variant-tag.partial,
.variant-tag.downloading,
.variant-tag.crawling {
    background: rgba(210, 153, 34, 0.2);
    border-color: rgba(210, 153, 34, 0.5);
}

.variant-tag.failed {
    background: rgba(248, 81, 73, 0.18);
    border-color: rgba(248, 81, 73, 0.5);
}

.variant-tag.pending {
    background: rgba(139, 148, 158, 0.15);
}

.variant-group {
    font-weight: 600;
}

.variant-pages {
    color: var(--text-secondary);
}

/* Reader styles */
.reader-body {
    background: #000;
}

.reader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.reader-group-panel,
.reader-next-panel {
    width: 100%;
    max-width: 800px;
    margin: 12px auto;
    padding: 10px 12px;
    background: rgba(22, 22, 22, 0.95);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.reader-group-title,
.reader-next-title {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 6px;
}

.reader-next-subtitle {
    color: var(--text-secondary);
    font-size: 11px;
    margin-bottom: 8px;
}

.reader-group-list,
.reader-next-options {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.group-switch,
.next-option {
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 12px;
    padding: 4px 8px;
    font-size: 11px;
    cursor: pointer;
}

.group-switch.ready,
.next-option.ready {
    border-color: rgba(63, 185, 80, 0.6);
}

.group-switch.current {
    background: rgba(63, 185, 80, 0.2);
    border-color: rgba(63, 185, 80, 0.7);
    color: var(--success);
}

.group-switch.pending,
.next-option.pending {
    border-color: rgba(210, 153, 34, 0.7);
}

.reader-container img {
    width: 100%;
    max-width: 800px;
    display: block;
}

.reader-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 100;
    transition: opacity 0.3s;
}

.reader-nav.hidden {
    opacity: 0;
    pointer-events: none;
}

.reader-nav-links-bottom,
.reader-nav-links-inline {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.reader-nav-links-bottom {
    width: 100%;
    max-width: 800px;
    margin: 12px auto;
    padding: 0 8px;
    margin-bottom: 90px;
}

.reader-nav-links-inline {
    margin-left: auto;
}

.reader-nav-links-inline .btn {
    white-space: nowrap;
    padding: 6px 8px;
}

.nav-btn {
    background: rgba(255,255,255,0.1);
    border: none;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-info {
    flex: 1;
    text-align: center;
}

#navTitle {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
}

#navProgress {
    display: block;
    font-size: 11px;
    color: rgba(255,255,255,0.6);
}

.page-counter {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.7);
    color: #fff;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    z-index: 100;
    transition: opacity 0.3s;
}

.page-counter.hidden {
    opacity: 0;
}

.loading-skeleton {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
}

.skeleton-page {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 0.7;
    background: linear-gradient(90deg, #1a1a1a 25%, #2a2a2a 50%, #1a1a1a 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.retry-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 100;
}

/* Utility */
.hidden {
    display: none !important;
}

/* Responsive */
@media (min-width: 768px) {
    .app {
        max-width: 640px;
    }
    
    .input-group {
        flex-wrap: nowrap;
    }
}