:root {
    --bg: #f7f8fb;
    --card: #fff;
    --border: #e5e7eb;
    --text: #111;
    --muted: #6b7280;
    --brand: #2563eb;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b0c0e;
        --card: #121418;
        --border: #1e232a;
        --text: #e5e7eb;
        --muted: #9ca3af;
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: 40px 0;
}

body:has(#output[style*="display: block"]) {
    justify-content: flex-start;
}

body:not(:has(#output[style*="display: block"])) {
    justify-content: center;
}

.wrap {
    width: min(600px, 90%);
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,.05);
    padding: 30px 26px;
    text-align: center;
    position: relative;
}

.collapse-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 28px;
    height: 28px;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all .2s;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
}

.collapse-btn:hover {
    opacity: 1;
    background: var(--border);
}

.collapse-btn.show {
    display: flex;
}

.wrap.collapsed .collapse-btn {
    display: none;
}

h1 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 8px;
}

p {
    color: var(--muted);
    margin: 0 0 24px;
}

.folder-btn {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg);
    color: var(--text);
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 15px;
    cursor: pointer;
    transition: all .2s;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 14px;
    margin-bottom: 12px;
    font-family: inherit;
    text-align: left;
}

.folder-btn-primary {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
}

.folder-btn-primary:hover {
    background: #1d4ed8;
    border-color: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37,99,235,.3);
}

.folder-btn-secondary:hover {
    background: var(--border);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,.05);
}

.btn-title {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 2px;
}

.btn-subtitle {
    font-size: 13px;
    opacity: 0.8;
    font-weight: normal;
}

.library-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.library-header-left {
    text-align: left;
    min-width: 0;
    flex: 1;
}

.library-header h1 {
    margin: 0;
}

.current-folder {
    font-size: 13px;
    color: var(--muted);
    margin-top: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.current-folder svg {
    width: 12px;
    height: 12px;
    vertical-align: -1px;
    margin-right: 4px;
    opacity: 0.7;
}

.library-header-actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.header-divider {
    color: var(--muted);
    font-size: 12px;
    opacity: 0.5;
}

.link-btn {
    background: none;
    border: none;
    color: var(--brand);
    font-size: 14px;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 6px;
    transition: all .2s;
    font-family: inherit;
}

.link-btn:hover {
    background: rgba(37,99,235,.1);
}

.divider {
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    margin: 20px 0;
    position: relative;
}

.divider::before,
.divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--border);
}

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

#recentComics {
    margin: 20px 0;
}

#recentComics h3,
#allComics h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--text);
}

#allComics {
    margin: 20px 0;
}

#allComicsList {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 300px;
    overflow-y: auto;
    overflow-x: hidden;
}

#recentComicsList {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.recent-comic-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all .2s;
}

.recent-comic-item:hover {
    background: var(--border);
    transform: translateX(4px);
}

.recent-comic-icon {
    width: 50px;
    height: 70px;
    background: var(--brand);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.recent-comic-icon svg {
    width: 20px;
    height: 20px;
    fill: #fff;
}

.recent-comic-info {
    flex: 1;
    min-width: 0;
}

.recent-comic-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.recent-comic-meta {
    font-size: 12px;
    color: var(--muted);
}

#dropzone {
    border: 2px dashed var(--border) !important;
    border-radius: 14px;
    padding: 36px 20px;
    background: transparent !important;
    transition: .2s;
    display: flex !important;
    align-items: center;
    justify-content: center;
    min-height: 180px;
}

#dropzone.dz-drag-hover {
    border-color: var(--brand) !important;
    background: rgba(37,99,235,.06) !important;
}

.dz-message {
    font-size: 16px;
    margin: 0 !important;
    display: block !important;
    color: var(--text);
    text-align: center;
}

.hint {
    font-size: 14px;
    color: var(--muted);
    margin-top: 6px;
    display: block;
}

footer {
    margin-top: 20px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
}

footer a {
    color: var(--muted);
    text-decoration: none;
    transition: color .2s;
}

footer a:hover {
    color: var(--text);
}

.footer-collapsed {
    display: none;
    text-align: center;
    color: var(--muted);
    font-size: 14px;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all .2s;
}

.footer-collapsed:hover {
    color: var(--text);
    background: rgba(0,0,0,.03);
}

@media (prefers-color-scheme: dark) {
    .footer-collapsed:hover {
        background: rgba(255,255,255,.05);
    }
}

.footer-collapsed::before {
    content: '▼ ';
    font-size: 10px;
    margin-right: 4px;
}

.wrap.collapsed {
    padding: 16px 26px;
}

.wrap.collapsed #initialView,
.wrap.collapsed #libraryView,
.wrap.collapsed #quickReadView,
.wrap.collapsed .footer-default {
    display: none !important;
}

.wrap.collapsed .footer-collapsed {
    display: block;
}

.se-pre-con {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    background: rgba(0,0,0,.7);
    backdrop-filter: blur(8px);
    display: none !important;
}

.se-pre-con[style*="display: block"] {
    display: flex !important;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

@media (prefers-color-scheme: dark) {
    .se-pre-con {
        background: rgba(0,0,0,.8);
    }
}

.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255,255,255,.2);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.progress-text {
    font-size: 20px;
    color: #fff;
    text-align: center;
    margin-top: 24px;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0,0,0,.3);
}

#output {
    width: 80%;
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,.05);
    display: none;
}

.imgUrl {
    float: center;
    height: 200px;
    padding: 5px;
}

.imgUrl:hover {
    -webkit-transform: scale(1.1);
    transform: scale(1.1);
}

#output a.last-read {
    position: relative;
    display: inline-block;
}

#output a.last-read::before {
    content: 'Last read';
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(0,0,0,.3);
    z-index: 10;
}

#output a.last-read .imgUrl {
    box-shadow: 0 0 0 3px var(--brand),
                0 8px 24px rgba(37,99,235,.3);
    border-radius: 2px;
}

@media (prefers-color-scheme: dark) {
    #output a.last-read .imgUrl {
        box-shadow: 0 0 0 3px var(--brand),
                    0 8px 24px rgba(37,99,235,.5);
    }
}

.dropzone .dz-preview {
    display: none !important;
}

.dz-progress {
    display: none;
}

@media only screen and (max-width: 768px) {
    .imgUrl {
        height: 120px;
        padding: 5px;
    }

    #output {
        width: 90%;
        padding: 15px;
    }

    body {
        padding: 20px 0;
    }
}