/* ============================================
   H Detector Web — Stylesheet
   ============================================ */

:root {
    --bg: #f0f0f0;
    --bg-card: #ffffff;
    --bg-input: #ffffff;
    --text: #333333;
    --text-muted: #666666;
    --border: #dddddd;
    --primary: #4CAF50;
    --primary-hover: #45a049;
    --blue: #2196F3;
    --blue-hover: #1976D2;
    --orange: #ff9800;
    --red: #f44336;
    --purple: #9C27B0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --radius: 8px;
}

.dark {
    --bg: #1a1a1a;
    --bg-card: #2d2d2d;
    --bg-input: #353535;
    --text: #e0e0e0;
    --text-muted: #aaaaaa;
    --border: #444444;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

/* ---- Login Page ---- */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.login-card h1 {
    font-size: 2rem;
    margin-bottom: 4px;
    color: var(--primary);
}

.login-card .subtitle {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.setup-notice {
    background: #e3f2fd;
    color: #1565c0;
    padding: 10px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.error-msg {
    background: #ffebee;
    color: #c62828;
    padding: 10px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 16px;
    text-align: left;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 1rem;
    background: var(--bg-input);
    color: var(--text);
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.15);
}

/* ---- Buttons ---- */

.btn-primary {
    display: inline-block;
    width: 100%;
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { background: #cccccc; cursor: not-allowed; }

.btn-large { padding: 14px 48px; font-size: 1.1rem; width: auto; }

.btn-small {
    padding: 6px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    color: white;
    transition: opacity 0.2s;
}

.btn-small:hover { opacity: 0.85; }

.btn-blue { background: var(--blue); }
.btn-orange { background: var(--orange); }
.btn-red { background: var(--red); }
.btn-purple { background: var(--purple); }

.btn-icon {
    background: #333;
    color: white;
    border: none;
    padding: 6px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.85rem;
}

.dark .btn-icon { background: #f5f5f5; color: #333; }

.btn-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    padding: 6px 12px;
}

.btn-link:hover { color: var(--red); }

/* ---- App Layout ---- */

.app-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 20px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.header-left { display: flex; align-items: center; gap: 12px; }
.header-left h1 { font-size: 1.5rem; }

.header-right { display: flex; align-items: center; gap: 12px; }

.gpu-badge {
    background: var(--primary);
    color: white;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.user-badge {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ---- Upload Zone ---- */

.upload-section { margin-bottom: 20px; }

.upload-tabs { display: flex; gap: 0; margin-bottom: 12px; border-bottom: 2px solid var(--border); }
.upload-tab { padding: 8px 20px; cursor: pointer; font-weight: 600; font-size: 0.9rem; color: var(--text-muted); border: none; background: none; border-bottom: 2px solid transparent; margin-bottom: -2px; }
.upload-tab:hover { color: var(--text); }
.upload-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* JSON Zone */
.json-zone { margin-top: 10px; padding: 12px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); }
.json-zone-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.json-zone-label { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.json-zone-hint { font-size: 0.8rem; color: var(--text-muted); }
.json-zone-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.json-drop { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border: 2px dashed var(--border); border-radius: 6px; font-size: 0.85rem; color: var(--text-muted); transition: border-color 0.2s, background 0.2s; cursor: pointer; }
.json-drop:hover { border-color: var(--blue); background: rgba(33, 150, 243, 0.04); }
.json-drop input[type="file"] { font-size: 0.85rem; color: var(--text); }
.json-drop input[type="file"]::file-selector-button { padding: 5px 14px; border: 1px solid var(--border); border-radius: 4px; background: var(--bg-card); color: var(--text); font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: background 0.2s, border-color 0.2s; }
.json-drop input[type="file"]::file-selector-button:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
.json-filter-info { display: flex; align-items: center; gap: 16px; padding: 8px 12px; background: #e8f5e9; border-radius: 4px; font-size: 0.85rem; }
.dark .json-filter-info { background: #1b3a1b; }
.json-toggle { display: flex; align-items: center; gap: 6px; cursor: pointer; font-weight: 600; font-size: 0.85rem; white-space: nowrap; }
.json-toggle input { cursor: pointer; }

.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    background: var(--bg-card);
}

.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--primary);
    background: rgba(76, 175, 80, 0.05);
}

.drop-icon {
    font-size: 3rem;
    color: var(--text-muted);
    line-height: 1;
    margin-bottom: 8px;
}

.drop-zone p { color: var(--text-muted); }

.drop-hint { font-size: 0.85rem; margin-top: 4px; }

/* ---- File List ---- */

.file-list-section {
    margin-bottom: 20px;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.section-header h2 { font-size: 1.1rem; }
.section-actions { display: flex; align-items: center; gap: 10px; }

.file-table-wrapper {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 4px;
}

#file-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

#file-table th {
    background: var(--bg);
    padding: 8px 12px;
    text-align: left;
    font-weight: 600;
    position: sticky;
    top: 0;
    border-bottom: 1px solid var(--border);
}

#file-table td {
    padding: 6px 12px;
    border-bottom: 1px solid var(--border);
}

#file-table tr:nth-child(even) { background: rgba(0, 0, 0, 0.02); }
.dark #file-table tr:nth-child(even) { background: rgba(255, 255, 255, 0.02); }

/* ---- Parameters ---- */

.params-section {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.params-section h2 { font-size: 1.1rem; margin-bottom: 12px; }

.params-grid { display: flex; flex-direction: column; gap: 12px; }

.param-row {
    display: flex;
    gap: 16px;
}

.param-row .param-group { flex: 1; }

.param-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.param-group input[type="number"] {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg-input);
    color: var(--text);
    font-size: 0.9rem;
}

.param-group input[type="number"]:focus {
    outline: none;
    border-color: var(--primary);
}

.checkbox-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.cb {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    font-size: 0.9rem;
}

.cb input[type="checkbox"] { cursor: pointer; }

.cat-top { color: var(--primary); font-weight: 600; }
.text-red { color: var(--red); }
.debug-cb { margin-top: 4px; }

/* ---- Progress ---- */

.progress-section {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.progress-header h2 { font-size: 1.1rem; }

.progress-bar-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.progress-bar {
    flex: 1;
    height: 24px;
    background: var(--bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    transition: width 0.3s ease;
    border-radius: 12px;
}

.progress-text {
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    min-width: 80px;
    text-align: right;
}

.progress-stats {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ---- Action ---- */

.action-section {
    text-align: center;
    margin-bottom: 20px;
}

/* ---- Results ---- */

.results-section {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
}

.results-summary {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.result-card {
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg);
    transition: transform 0.1s;
}

.result-card:hover { transform: translateY(-2px); }

.result-card img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    display: block;
    cursor: pointer;
    background: #000;
}

.result-card-info {
    padding: 8px 12px;
    font-size: 0.8rem;
}

.result-folder {
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 1px;
}
.result-card-info .name {
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-card-info .meta {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    margin-top: 4px;
}

.score-badge {
    padding: 2px 8px;
    border-radius: 3px;
    font-weight: 700;
    font-size: 0.75rem;
    color: white;
}

.score-top { background: var(--primary); }
.score-excellent { background: var(--blue); }
.score-good { background: var(--orange); }
.score-fair { background: var(--purple); }

/* ---- Selection mode ---- */

.result-card.selectable {
    cursor: pointer;
    user-select: none;
}

.result-card.selectable:hover {
    outline: 2px solid var(--blue);
    outline-offset: -2px;
}

.result-card.selected {
    outline: 3px solid var(--primary);
    outline-offset: -3px;
}

.result-card.inpainted {
    outline: 3px solid var(--blue);
    outline-offset: -3px;
}

.result-card.inpainted::after {
    content: "INPAINTED";
    position: absolute;
    top: 6px;
    left: 6px;
    background: var(--blue);
    color: white;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.result-card.selected::after {
    content: "\2713";
    position: absolute;
    top: 6px;
    right: 6px;
    background: var(--primary);
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
}

.result-card { position: relative; }

.results-group-title {
    grid-column: 1 / -1;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 8px 0 4px;
    margin: 0;
}
.results-group-title:not(:first-child) { margin-top: 16px; padding-top: 16px; border-top: 2px solid var(--border); }
.results-group-inpainted { color: var(--primary); }
.results-group-pending { color: var(--text-muted); }

/* ---- Inpainting panel ---- */

.inpaint-panel {
    margin-top: 24px;
    padding: 24px;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: var(--radius);
}

.dark .inpaint-panel { background: #1a1a1a; border-color: #555; }

.inpaint-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.inpaint-panel-header h3 {
    font-size: 1.1rem;
    margin: 0;
}

.chapter-coverage {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border);
}
.chapter-cov-item {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid var(--border);
    background: var(--bg);
}
.chapter-cov-item.cov-ok { border-color: var(--primary); color: var(--primary); }
.chapter-cov-item.cov-warn { border-color: var(--orange); color: var(--orange); }
.chapter-cov-dot { width: 8px; height: 8px; border-radius: 50%; }
.cov-ok .chapter-cov-dot { background: var(--primary); }
.cov-warn .chapter-cov-dot { background: var(--orange); }

.inpaint-panel-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.inpaint-panel-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.inpaint-panel-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.inpaint-panel-group select {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23666' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
    min-width: 180px;
}

.inpaint-panel-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.15);
}

.dark .inpaint-panel-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23aaa' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
}

.inpaint-panel-group input[type="number"] {
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    width: 72px;
    text-align: center;
}
.inpaint-panel-group input[type="number"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.15);
}

.select-count {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
    min-width: 90px;
}

.inpaint-panel-action {
    padding-top: 20px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.inpaint-panel-action .btn-primary {
    width: auto;
    padding: 12px 48px;
    font-size: 1rem;
}

.inpaint-progress {
    margin-top: 12px;
    padding: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    text-align: center;
}

.inpaint-status {
    font-weight: 600;
    color: var(--text-muted);
}

.inpaint-result {
    margin-top: 12px;
    padding: 12px;
    background: #e8f5e9;
    border: 1px solid #c8e6c9;
    border-radius: 6px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.inpaint-result:not([hidden]) { display: flex; }

.dark .inpaint-result { background: #1b3a1b; border-color: #2e5a2e; }

.inpaint-result span { font-weight: 600; font-size: 0.9rem; }

/* ---- Image Viewer Modal ---- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.viewer-content {
    display: flex;
    flex-direction: column;
    max-width: 95vw;
    max-height: 95vh;
    width: 100%;
}

.viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    color: #ccc;
    gap: 12px;
}
.viewer-zoom-info { color: #666; font-size: .8rem; font-weight: 600; }

.viewer-title {
    font-size: 0.9rem;
    font-weight: 600;
}

.viewer-close {
    background: none;
    border: none;
    color: #aaa;
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 8px;
}

.viewer-close:hover { color: white; }

.viewer-body {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 0;
    gap: 8px;
    padding: 0 8px;
}

.viewer-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
    overflow: hidden;
}

.viewer-main-img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border-radius: 4px;
    cursor: grab;
    user-select: none;
    -webkit-user-drag: none;
    transform-origin: center;
}
.viewer-main-img:active { cursor: grabbing; }

.viewer-arrow {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 2.5rem;
    padding: 16px 12px;
    cursor: pointer;
    border-radius: 6px;
    line-height: 1;
    flex-shrink: 0;
    transition: background 0.2s;
}

.viewer-arrow:hover:not(:disabled) { background: rgba(255, 255, 255, 0.2); }
.viewer-arrow:disabled { opacity: 0.2; cursor: default; }

/* Tabs (thumbnails) */
.viewer-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
}

.viewer-tab {
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid transparent;
    color: #aaa;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
}

.viewer-tab:hover { background: rgba(255, 255, 255, 0.15); color: white; }
.viewer-tab.active { border-color: var(--primary); color: white; background: rgba(76, 175, 80, 0.2); }

/* Before / After compare */
.viewer-compare {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    justify-content: center;
    max-height: 75vh;
    overflow: hidden;
}

.viewer-compare-item {
    flex: 1;
    max-width: 48%;
    text-align: center;
}

.viewer-compare-item img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 4px;
}

.viewer-compare-label {
    color: #aaa;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---- Flagged Images Grid ---- */

.flagged-section {
    margin-top: 24px;
    padding: 24px;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
}
.flagged-section .section-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.flagged-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
}
.flagged-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.flagged-card:hover { border-color: var(--blue); box-shadow: var(--shadow); }
.flagged-card img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: cover;
    display: block;
    background: #111;
}
.flagged-card-info {
    padding: 6px 8px;
    font-size: 0.75rem;
    line-height: 1.3;
    color: var(--text-muted);
}
.flagged-card-info .flagged-serie { font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.flagged-card-info .flagged-chapter { color: var(--blue); }
.flagged-card-info .flagged-page { color: var(--text-muted); }
.flagged-card.is-flagged { border-color: var(--orange); }
.flagged-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--orange);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 3px;
}
.flagged-badge-detected { background: var(--red); }
.flagged-badge-clean { background: var(--primary); }
.flagged-detected { border-color: var(--red); }
.flagged-clean { border-color: var(--primary); opacity: 0.7; }
.flagged-clean:hover { opacity: 1; }
.flagged-selectable { cursor: pointer; }
.flagged-selectable::after { content: ""; position: absolute; inset: 0; border: 3px solid transparent; border-radius: var(--radius); pointer-events: none; transition: border-color 0.2s; }
.flagged-selectable:hover::after { border-color: var(--blue); }
.flagged-selected::after { border-color: var(--primary) !important; }
.flagged-selected { opacity: 1 !important; }

.score-manual { background: var(--purple); color: #fff; }

.flagged-group-title {
    grid-column: 1 / -1;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 8px 0 4px;
    margin: 0;
}
.flagged-group-title:not(:first-child) { margin-top: 12px; }
.flagged-group-detected { color: var(--red); }
.flagged-group-clean { color: var(--primary); }

.flagged-chapter-header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    margin-top: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.8rem;
}
.flagged-chapter-name { font-weight: 700; color: var(--text); }
.flagged-chapter-count { color: var(--text-muted); }
.flagged-chapter-status { font-weight: 700; margin-left: auto; }
.flagged-chapter-warn { color: var(--orange); }
.flagged-chapter-ok { color: var(--primary); }

/* ---- Viewer Slider ---- */
.viewer-slider { position: relative; display: inline-block; max-width: 100%; max-height: 100%; }
.viewer-slider img { display: block; max-width: 100%; max-height: 75vh; object-fit: contain; user-select: none; -webkit-user-drag: none; }
.viewer-slider-after { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.viewer-slider-handle { position: absolute; top: 0; bottom: 0; z-index: 10; transform: translateX(-50%); cursor: col-resize; }
.viewer-slider-line { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: #fff; box-shadow: 0 0 6px rgba(0,0,0,.5); transform: translateX(-50%); }
.viewer-slider-knob { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 28px; height: 28px; background: #fff; border-radius: 50%; box-shadow: 0 2px 6px rgba(0,0,0,.3); display: flex; align-items: center; justify-content: center; font-size: .8rem; color: #333; }
.viewer-slider-label { position: absolute; top: 8px; padding: 3px 8px; background: rgba(0,0,0,.6); color: #fff; font-size: .7rem; font-weight: 700; border-radius: 3px; z-index: 5; pointer-events: none; }

/* ---- Mask Editor ---- */

.mask-editor-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.95); z-index: 3000; display: flex; flex-direction: column; }
.mask-editor-toolbar { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; background: rgba(0,0,0,0.8); border-bottom: 1px solid #333; flex-shrink: 0; flex-wrap: wrap; gap: 8px; }
.mask-editor-title { color: #ddd; font-size: 0.9rem; font-weight: 600; }
.mask-editor-tools { display: flex; align-items: center; gap: 8px; }
.mask-editor-tools label { color: #aaa; font-size: 0.8rem; display: flex; align-items: center; gap: 4px; }
.mask-editor-tools input[type="range"] { width: 80px; }
.mask-editor-actions { display: flex; gap: 8px; }
.mask-editor-canvas-wrap { flex: 1; display: flex; align-items: center; justify-content: center; overflow: hidden; min-height: 0; cursor: crosshair; position: relative; }
.mask-editor-canvas-wrap canvas { transform-origin: 0 0; position: absolute; }
.mask-editor-footer { display: flex; align-items: center; justify-content: center; gap: 16px; padding: 8px; flex-shrink: 0; }
.mask-editor-footer span { color: #aaa; font-size: 0.85rem; font-weight: 600; }

.me-ctrl { background: #333; color: #fff; border: none; padding: 5px 10px; border-radius: 4px; cursor: pointer; font-size: 0.8rem; font-weight: 600; }
.me-ctrl:hover { background: #555; }
.me-tool.active { background: var(--primary); color: #fff; }
.me-nav-btn { background: rgba(255,255,255,0.1); border: none; color: #fff; font-size: 2rem; padding: 8px 12px; cursor: pointer; border-radius: 6px; line-height: 1; }
.me-nav-btn:hover { background: rgba(255,255,255,0.2); }

/* ---- Footer ---- */

.app-footer {
    margin: 32px 20px 20px;
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.6;
}
.app-footer p { margin: 4px 0; }
.app-footer a { color: var(--blue); text-decoration: none; }
.app-footer a:hover { text-decoration: underline; }

/* ---- Guide ---- */

.guide-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 24px 20px 40px;
}
.guide-container h1 { margin-bottom: 8px; }
.guide-container h2 { margin-top: 28px; margin-bottom: 10px; font-size: 1.1rem; color: var(--text); border-bottom: 1px solid var(--border); padding-bottom: 6px; }
.guide-container h3 { margin-top: 18px; margin-bottom: 6px; font-size: 0.95rem; }
.guide-container p { margin: 6px 0; font-size: 0.88rem; line-height: 1.6; color: var(--text); }
.guide-container ul, .guide-container ol { margin: 6px 0 6px 20px; font-size: 0.88rem; line-height: 1.7; }
.guide-container li { margin: 3px 0; }
.guide-container code { background: var(--bg-input); padding: 1px 5px; border-radius: 3px; font-size: 0.82rem; }
.guide-container .tip { background: rgba(33, 150, 243, 0.08); border-left: 3px solid var(--blue); padding: 8px 14px; border-radius: 4px; margin: 10px 0; font-size: 0.85rem; }
.guide-container .warn { background: rgba(255, 152, 0, 0.08); border-left: 3px solid var(--orange); padding: 8px 14px; border-radius: 4px; margin: 10px 0; font-size: 0.85rem; }
.guide-back { display: inline-block; margin-bottom: 16px; color: var(--blue); text-decoration: none; font-size: 0.85rem; font-weight: 600; }
.guide-back:hover { text-decoration: underline; }

/* ---- Responsive ---- */

@media (max-width: 600px) {
    .app-header { flex-direction: column; gap: 8px; }
    .param-row { flex-direction: column; }
    .checkbox-row { flex-direction: column; gap: 8px; }
    .results-grid { grid-template-columns: 1fr; }
}