/* Exam Viewer - Public Read-Only (Table-Hybrid) */
@import url('https://fonts.googleapis.com/css2?family=Sarabun:wght@300;400;500;600;700&display=swap');

:root {
    --ev-primary: #5b21b6;
    --ev-primary-light: #7c3aed;
    --ev-primary-dark: #3b0764;
    --ev-accent: #7c3aed;
    --ev-accent-light: #ede9fe;
    --ev-bg: #f5f3ff;
    --ev-card-bg: #ffffff;
    --ev-text: #1e1b4b;
    --ev-text-muted: #6b7280;
    --ev-border: #e5e7eb;
    --ev-past-accent: #16a34a;
    --ev-predict-accent: #2563eb;
    --ev-font: 'Sarabun', sans-serif;
}

* { box-sizing: border-box; }

body {
    background: var(--ev-bg) !important;
    font-family: var(--ev-font);
    color: var(--ev-text);
    margin: 0;
    padding: 0;
}

/* Header */
.ev-header {
    background: linear-gradient(135deg, var(--ev-primary-dark), var(--ev-primary), var(--ev-primary-light));
    padding: 14px 20px;
    color: white;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(91, 33, 182, 0.2);
}

.ev-header-inner {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ev-header-title {
    font-size: 1.2rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ev-header-title i { color: #c4b5fd; }

.ev-header-back {
    color: #ddd6fe;
    text-decoration: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid rgba(221, 214, 254, 0.3);
    transition: all 0.2s;
}

.ev-header-back:hover {
    background: rgba(221, 214, 254, 0.15);
    color: white;
}

/* Container */
.ev-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 12px;
}

/* Tabs */
.ev-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
}

.ev-tab {
    flex: 1;
    padding: 10px 14px;
    border: 2px solid var(--ev-border);
    border-radius: 10px;
    background: var(--ev-card-bg);
    color: var(--ev-text-muted);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    font-family: var(--ev-font);
}

.ev-tab:hover { border-color: var(--ev-primary-light); color: var(--ev-primary); }
.ev-tab.active-past { background: #f0fdf4; border-color: var(--ev-past-accent); color: var(--ev-past-accent); font-weight: 600; }
.ev-tab.active-predict { background: #eff6ff; border-color: var(--ev-predict-accent); color: var(--ev-predict-accent); font-weight: 600; }
.ev-tab.active-forecast { background: #faf5ff; border-color: var(--ev-primary); color: var(--ev-primary); font-weight: 600; }
.ev-tab.active-analysis { background: #faf5ff; border-color: var(--ev-primary); color: var(--ev-primary); font-weight: 600; }

/* Filter */
.ev-filter-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    background: var(--ev-card-bg);
    border: 1px solid var(--ev-border);
    border-radius: 10px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.2s;
    font-family: var(--ev-font);
}

.ev-filter-toggle:hover { border-color: var(--ev-primary-light); }

.ev-filter-toggle-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ev-text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.ev-filter-toggle-label i { color: var(--ev-text-muted); }

.ev-filter-count {
    background: var(--ev-accent);
    color: white;
    font-size: 0.7rem;
    padding: 1px 7px;
    border-radius: 10px;
    font-weight: 600;
}

.ev-filter-panel {
    background: var(--ev-card-bg);
    border: 1px solid var(--ev-border);
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 10px;
}

.ev-filter-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.ev-filter-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ev-text-muted);
    margin-bottom: 3px;
}

.ev-filter-group select {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--ev-border);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--ev-text);
    background: white;
    font-family: var(--ev-font);
    appearance: auto;
}

.ev-filter-group select:focus,
.ev-filter-group input[type="text"]:focus {
    outline: none;
    border-color: var(--ev-primary-light);
    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.1);
}

.ev-filter-group input[type="text"] {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--ev-border);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--ev-text);
    background: white;
    font-family: var(--ev-font);
}


.ev-filter-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--ev-border);
}

.ev-btn-reset {
    padding: 5px 14px;
    border: 1px solid var(--ev-border);
    border-radius: 6px;
    background: white;
    color: var(--ev-text-muted);
    font-size: 0.88rem;
    cursor: pointer;
    font-family: var(--ev-font);
}

.ev-btn-reset:hover { background: #faf5ff; }

.ev-btn-export {
    padding: 5px 14px;
    border: 1px solid var(--ev-primary-light);
    border-radius: 6px;
    background: var(--ev-accent-light);
    color: var(--ev-primary);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    font-family: var(--ev-font);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.ev-btn-export:hover {
    background: var(--ev-primary);
    color: white;
}

/* Results Info */
.ev-results-info {
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--ev-text-muted);
}

/* Table-Hybrid List */
.ev-list {
    background: var(--ev-card-bg);
    border: 1px solid var(--ev-border);
    border-radius: 10px;
    overflow: hidden;
}

/* Table Header */
.ev-list-header {
    display: grid;
    padding: 8px 12px;
    background: linear-gradient(135deg, #faf5ff, #f3e8ff);
    border-bottom: 2px solid var(--ev-border);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ev-primary);
    gap: 8px;
}

.ev-list-header.past {
    grid-template-columns: 55px 80px 32px 36px 1fr 55px auto;
}

.ev-list-header.predict {
    grid-template-columns: 50px 80px 36px 1fr 55px 90px auto;
}

/* Row */
.ev-list-row {
    display: grid;
    padding: 10px 12px;
    border-bottom: 1px solid #f3e8ff;
    gap: 8px;
    transition: background 0.15s;
    align-items: start;
}

.ev-list-row:last-child { border-bottom: none; }
.ev-list-row:hover { background: #faf5ff; }
.ev-list-row.ev-group-first { border-top: 2px solid var(--ev-border); }
.ev-list-row.ev-group-first:first-child { border-top: none; }

.ev-list-row.past {
    grid-template-columns: 55px 80px 32px 36px 1fr 55px auto;
}

.ev-list-row.predict {
    grid-template-columns: 50px 80px 36px 1fr 55px 90px auto;
}

/* Row accent border */
.ev-list-row.past { border-left: 3px solid var(--ev-past-accent); }
.ev-list-row.predict { border-left: 3px solid var(--ev-predict-accent); }

/* Cell styles */
.ev-cell {
    font-size: 0.92rem;
    line-height: 1.4;
    min-width: 0;
}

.ev-cell-year {
    font-weight: 600;
    color: var(--ev-primary);
}

.ev-cell-class {
    font-size: 0.88rem;
    color: var(--ev-text-muted);
}

.ev-cell-book {
    font-weight: 600;
    text-align: center;
}

.ev-cell-sub {
    font-size: 0.8rem;
    color: var(--ev-text-muted);
    font-weight: 400;
    margin-top: 1px;
}

.ev-cell-qnum {
    text-align: center;
    font-weight: 500;
}

.ev-cell-main {
    min-width: 0;
}

.ev-cell-story {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ev-cell-sentence {
    font-size: 0.85rem;
    color: var(--ev-text-muted);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ev-cell-page {
    text-align: center;
    font-weight: 500;
}

.ev-cell-predictor {
    font-size: 0.88rem;
    color: var(--ev-predict-accent);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ev-cell-actions {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
}

.ev-action-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
    font-size: 0.95rem;
}

.ev-action-link.ebook {
    color: var(--ev-primary);
    background: var(--ev-accent-light);
}

.ev-action-link.ebook:hover {
    background: var(--ev-accent);
    color: white;
}

.ev-action-link.pdf {
    color: #dc2626;
    background: #fef2f2;
}

.ev-action-link.pdf:hover {
    background: #dc2626;
    color: white;
}

/* Loading / Empty */
.ev-loading, .ev-empty {
    text-align: center;
    padding: 50px 20px;
    color: var(--ev-text-muted);
}

.ev-loading i, .ev-empty i {
    font-size: 2rem;
    display: block;
    margin-bottom: 10px;
}

.ev-loading i { color: var(--ev-accent); }
.ev-empty i { color: var(--ev-border); }
.ev-empty-text { font-size: 1rem; font-weight: 500; }
.ev-empty-sub { font-size: 0.9rem; margin-top: 4px; }

@keyframes ev-spin { to { transform: rotate(360deg); } }
.ev-spinner { animation: ev-spin 1s linear infinite; display: inline-block; }

/* Desktop/Mobile toggle */
.ev-mobile-only { display: none; }

/* Responsive */
@media (max-width: 768px) {
    .ev-desktop-only { display: none !important; }
    .ev-mobile-only { display: block !important; }

    .ev-filter-grid {
        grid-template-columns: 1fr 1fr;
    }

    .ev-list-header { display: none; }

    .ev-list-row.past,
    .ev-list-row.predict {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 10px 12px;
    }

    .ev-row-top {
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
    }

    .ev-row-top .ev-tag {
        display: inline-block;
        padding: 2px 9px;
        border-radius: 4px;
        font-size: 0.85rem;
        font-weight: 600;
    }

    .ev-tag-year { background: var(--ev-primary); color: white; }
    .ev-tag-class { background: var(--ev-accent-light); color: var(--ev-primary); }
    .ev-tag-book { background: #f0fdf4; color: #15803d; }
    .ev-tag-page { color: var(--ev-text); font-weight: 500; }

    .ev-row-detail {
        font-size: 0.88rem;
        color: var(--ev-text-muted);
        margin-top: 2px;
    }

    .ev-row-actions {
        display: flex;
        gap: 6px;
        margin-top: 6px;
    }
}

@media (max-width: 576px) {
    .ev-container { padding: 8px; }
    .ev-filter-grid { grid-template-columns: 1fr; }
    .ev-tabs { gap: 4px; }
    .ev-tab { padding: 8px 10px; font-size: 0.9rem; }
}

/* Multiselect dropdown */
.ev-multiselect {
    position: relative;
}

.ev-ms-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--ev-border);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--ev-text);
    background: white;
    font-family: var(--ev-font);
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}

.ev-ms-trigger:hover {
    border-color: var(--ev-primary-light);
}

.ev-ms-trigger i {
    font-size: 0.75rem;
    color: var(--ev-text-muted);
}

.ev-ms-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ev-ms-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: white;
    border: 1px solid var(--ev-border);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    z-index: 50;
    max-height: 240px;
    overflow-y: auto;
    padding: 4px;
}

.ev-ms-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--ev-text);
    transition: background 0.1s;
    user-select: none;
}

.ev-ms-option:hover {
    background: #faf5ff;
}

.ev-ms-option input[type="checkbox"] {
    accent-color: var(--ev-primary);
    width: 16px;
    height: 16px;
    margin: 0;
    cursor: pointer;
    flex-shrink: 0;
}

.ev-ms-actions {
    padding: 4px 6px;
    border-top: 1px solid var(--ev-border);
    margin-top: 4px;
}

.ev-ms-clear {
    width: 100%;
    padding: 5px;
    border: none;
    background: none;
    color: var(--ev-text-muted);
    font-size: 0.82rem;
    font-family: var(--ev-font);
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.15s;
}

.ev-ms-clear:hover {
    background: #fef2f2;
    color: #dc2626;
}

/* ========== Analysis Dashboard ========== */

.ev-analysis {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ev-analysis-filter {
    display: flex;
    gap: 10px;
}

.ev-analysis-filter .ev-filter-group {
    min-width: 180px;
}

.ev-analysis-filter select {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--ev-border);
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--ev-text);
    background: white;
    font-family: var(--ev-font);
}

.ev-analysis-filter label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ev-text-muted);
    margin-bottom: 3px;
}

/* Stat Cards */
.ev-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.ev-stat-card {
    background: var(--ev-card-bg);
    border: 1px solid var(--ev-border);
    border-radius: 10px;
    padding: 14px 16px;
    text-align: center;
}

.ev-stat-card.ev-stat-highlight {
    background: linear-gradient(135deg, #faf5ff, #ede9fe);
    border-color: var(--ev-primary-light);
}

.ev-stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--ev-primary);
    line-height: 1.2;
}

.ev-stat-label {
    font-size: 0.85rem;
    color: var(--ev-text-muted);
    margin-top: 4px;
}

/* Chart Boxes */
.ev-chart-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.ev-chart-box {
    background: var(--ev-card-bg);
    border: 1px solid var(--ev-border);
    border-radius: 10px;
    padding: 16px;
}

.ev-chart-box.ev-chart-full {
    width: 100%;
}

.ev-chart-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ev-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ev-chart-title i {
    font-size: 1.1rem;
}

/* Cross-class Analysis */
.ev-cross-desc {
    font-size: 0.88rem;
    color: var(--ev-text-muted);
    margin-bottom: 12px;
}

.ev-empty-mini {
    text-align: center;
    padding: 20px;
    color: var(--ev-text-muted);
    font-size: 0.9rem;
}

.ev-cross-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ev-cross-item {
    padding: 10px 14px;
    border: 1px solid var(--ev-border);
    border-left: 3px solid var(--ev-primary-light);
    border-radius: 8px;
    background: #faf5ff;
}

.ev-cross-story {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ev-text);
}

.ev-cross-toggle {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    user-select: none;
    transition: color 0.15s;
}

.ev-cross-toggle:hover {
    color: var(--ev-primary);
}

.ev-cross-class-tags {
    display: inline-flex;
    gap: 4px;
    margin-left: auto;
    flex-shrink: 0;
}

.ev-cross-tag-sm {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    background: var(--ev-accent-light);
    color: var(--ev-primary);
}

.ev-cross-book {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--ev-text-muted);
}

.ev-cross-overlap-box {
    margin-top: 8px;
    padding: 8px 10px;
    background: #fef3c7;
    border: 1px solid #fbbf24;
    border-radius: 6px;
}

.ev-cross-overlap-title {
    font-size: 0.8rem;
    font-weight: 600;
    color: #92400e;
    margin-bottom: 4px;
}

.ev-cross-overlap-item {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    padding: 3px 0;
    font-size: 0.82rem;
}

.ev-cross-overlap-pages {
    font-weight: 600;
    color: #b45309;
    background: white;
    padding: 1px 8px;
    border-radius: 4px;
    font-size: 0.78rem;
}

.ev-cross-details {
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ev-cross-class-group {
    padding: 6px 0;
    border-top: 1px solid #e5e7eb;
}

.ev-cross-class-group:first-child {
    border-top: none;
    padding-top: 0;
}

.ev-cross-class-head {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
    font-size: 0.82rem;
    color: var(--ev-text-muted);
}

.ev-cross-tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 600;
    background: var(--ev-accent-light);
    color: var(--ev-primary);
    min-width: 70px;
    text-align: center;
}

.ev-cross-entry {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 3px 0 3px 12px;
    font-size: 0.82rem;
    flex-wrap: wrap;
    border-bottom: 1px solid #f3f4f6;
}

.ev-cross-entry:last-child {
    border-bottom: none;
}

/* Analysis responsive */
@media (max-width: 768px) {
    .ev-stats-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .ev-chart-row {
        grid-template-columns: 1fr;
    }

    .ev-stat-value {
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .ev-stats-row {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }

    .ev-stat-card {
        padding: 10px 12px;
    }

    .ev-stat-value {
        font-size: 1.1rem;
    }

    .ev-chart-box {
        padding: 12px;
    }
}

/* ========== Story Coverage Map ========== */

.ev-coverage-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ev-coverage-item {
    padding: 12px 14px;
    border: 1px solid var(--ev-border);
    border-radius: 10px;
    background: #faf5ff;
}

.ev-coverage-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 4px;
}

.ev-coverage-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ev-coverage-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ev-text);
}

.ev-coverage-book {
    font-size: 0.82rem;
    font-weight: 500;
    padding: 1px 8px;
    border-radius: 4px;
    background: var(--ev-accent-light);
    color: var(--ev-primary);
}

.ev-coverage-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
    color: var(--ev-text-muted);
}

.ev-coverage-pct {
    font-weight: 700;
    color: #dc2626;
}

.ev-coverage-pct.ev-coverage-mid {
    color: #d97706;
}

.ev-coverage-pct.ev-coverage-full {
    color: #16a34a;
}

/* Toggle switch for predictions */
.ev-coverage-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 8px 0 4px;
}

.ev-switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
}

.ev-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.ev-switch-slider {
    position: absolute;
    inset: 0;
    background: #d1d5db;
    border-radius: 20px;
    cursor: pointer;
    transition: background 0.2s;
}

.ev-switch-slider::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    left: 2px;
    top: 2px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s;
}

.ev-switch input:checked + .ev-switch-slider {
    background: #d97706;
}

.ev-switch input:checked + .ev-switch-slider::before {
    transform: translateX(16px);
}

.ev-switch-label {
    font-size: 0.82rem;
    color: var(--ev-text);
    font-weight: 500;
}

/* The main coverage bar */
.ev-coverage-bar {
    display: flex;
    height: 32px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--ev-border);
    background: white;
}

.ev-coverage-segment {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2px;
    transition: opacity 0.15s;
    overflow: hidden;
}

.ev-seg-tested {
    cursor: pointer;
    background: transparent;
}

.ev-seg-tested:hover {
    opacity: 0.85;
}

.ev-seg-predicted {
    cursor: pointer;
    background: transparent;
}

.ev-seg-predicted:hover {
    opacity: 0.85;
}

.ev-seg-empty {
    background: white;
}

/* Intensity fill layer (set via inline style) */
.ev-seg-fill {
    position: absolute;
    inset: 0;
    z-index: 0;
}

/* Prediction overlay: gold stripe on top half */
.ev-seg-fill-pred {
    inset: 0 0 50% 0;
    z-index: 1;
    border-bottom: 1px solid rgba(255,255,255,0.4);
}

/* Prediction-only segment (no exam): fill full height */
.ev-seg-predicted:not(.ev-seg-tested) .ev-seg-fill-pred {
    inset: 0;
    border-bottom: none;
}

/* Count badge on segment */
.ev-seg-count {
    position: absolute;
    bottom: 1px;
    right: 2px;
    font-size: 0.55rem;
    color: rgba(255,255,255,0.85);
    font-weight: 700;
    z-index: 1;
}

.ev-seg-label {
    font-size: 0.65rem;
    color: white;
    font-weight: 600;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
    z-index: 1;
    position: relative;
}

.ev-seg-empty .ev-seg-label {
    color: var(--ev-text-muted);
    font-size: 0.6rem;
    text-shadow: none;
}

/* Scale numbers under bar */
.ev-coverage-scale {
    display: flex;
    justify-content: space-between;
    font-size: 0.7rem;
    color: var(--ev-text-muted);
    margin-top: 2px;
    padding: 0 2px;
}

/* Detail panel when segment clicked */
.ev-coverage-detail {
    position: relative;
    margin-top: 8px;
    padding: 8px 10px;
    background: white;
    border: 1px solid var(--ev-border);
    border-radius: 8px;
}

.ev-coverage-detail-close {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: #f3f4f6;
    border-radius: 50%;
    color: #6b7280;
    font-size: 0.85rem;
    cursor: pointer;
    line-height: 1;
    transition: all 0.15s;
}

.ev-coverage-detail-close:hover {
    background: #e5e7eb;
    color: #374151;
}

.ev-coverage-detail-head {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--ev-primary);
    margin-bottom: 6px;
}

.ev-coverage-detail-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 0;
    font-size: 0.85rem;
    flex-wrap: wrap;
    border-bottom: 1px solid #f3f4f6;
}

.ev-coverage-detail-item:last-child {
    border-bottom: none;
}

.ev-coverage-subject {
    background: #ede9fe;
    color: #6d28d9;
    font-size: 0.75rem;
    padding: 1px 6px;
    border-radius: 4px;
    font-weight: 500;
}

.ev-coverage-round {
    background: #e0f2fe;
    color: #0369a1;
    font-size: 0.75rem;
    padding: 1px 6px;
    border-radius: 4px;
}

.ev-coverage-pages {
    color: var(--ev-text);
    font-size: 0.8rem;
    font-weight: 500;
}

.ev-coverage-sentences {
    width: 100%;
    padding-left: 4px;
    margin-top: 2px;
}

.ev-coverage-sentence {
    color: #6b21a8;
    font-size: 0.78rem;
    max-width: 400px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: inline;
}

.ev-coverage-sentence.ev-sentence-end {
    color: #9333ea;
}

/* Prediction detail items */
.ev-coverage-pred-divider {
    font-size: 0.75rem;
    font-weight: 600;
    color: #d97706;
    padding: 6px 0 2px;
    margin-top: 4px;
    border-top: 1px dashed #fbbf24;
}

.ev-pred-item {
    border-left: 3px solid #f59e0b;
    padding-left: 8px;
    margin-left: 2px;
}

.ev-pred-badge {
    background: #fef3c7;
    color: #b45309;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 4px;
}

.ev-pred-name {
    font-weight: 600;
    color: #92400e;
    font-size: 0.82rem;
}

/* Coverage responsive */
@media (max-width: 768px) {
    .ev-coverage-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .ev-coverage-bar {
        height: 28px;
    }

    .ev-seg-label {
        font-size: 0.55rem;
    }

    .ev-coverage-sentence {
        max-width: none;
    }
}

@media (max-width: 576px) {
    .ev-coverage-item {
        padding: 8px 10px;
    }

    .ev-coverage-bar {
        height: 24px;
    }

    .ev-coverage-meta {
        gap: 6px;
        font-size: 0.75rem;
    }
}

/* ========== Prediction Accuracy ========== */

.ev-accuracy-summary {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}

.ev-accuracy-card {
    background: #faf5ff;
    border: 1px solid var(--ev-border);
    border-radius: 10px;
    padding: 14px 16px;
    transition: box-shadow 0.2s;
}

.ev-accuracy-card:hover {
    box-shadow: 0 2px 8px rgba(91, 33, 182, 0.1);
}

.ev-accuracy-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--ev-text);
    margin-bottom: 6px;
}

.ev-accuracy-stats {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.ev-accuracy-hit {
    font-weight: 700;
    color: #16a34a;
}

.ev-accuracy-total {
    color: var(--ev-text-muted);
}

.ev-accuracy-pct {
    font-weight: 700;
    color: var(--ev-primary);
    margin-left: 2px;
}

.ev-accuracy-bar-bg {
    width: 100%;
    height: 8px;
    background: var(--ev-border);
    border-radius: 4px;
    overflow: hidden;
}

.ev-accuracy-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--ev-primary), var(--ev-primary-light));
    border-radius: 4px;
    transition: width 0.4s ease;
    min-width: 2px;
}

/* Detail expandable section */
.ev-accuracy-detail {
    border: 1px solid var(--ev-border);
    border-radius: 10px;
    margin-bottom: 10px;
    overflow: hidden;
}

.ev-accuracy-detail-title {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: linear-gradient(135deg, #faf5ff, #f3e8ff);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ev-primary);
    cursor: pointer;
    user-select: none;
    transition: background 0.15s;
}

.ev-accuracy-detail-title:hover {
    background: linear-gradient(135deg, #f3e8ff, #ede9fe);
}

.ev-accuracy-detail-title i {
    font-size: 0.85rem;
    transition: transform 0.2s;
}

.ev-accuracy-items {
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ev-accuracy-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--ev-border);
    background: white;
    align-items: center;
    font-size: 0.9rem;
    transition: background 0.15s;
}

.ev-accuracy-item.ev-hit {
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.ev-accuracy-item-left {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.ev-accuracy-icon {
    flex-shrink: 0;
    font-size: 1rem;
    color: #16a34a;
}

.ev-accuracy-icon.ev-miss {
    color: #dc2626;
    opacity: 0.5;
}

.ev-accuracy-item-right {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.ev-accuracy-story {
    font-weight: 500;
    color: var(--ev-text);
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ev-accuracy-year {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--ev-accent-light);
    color: var(--ev-primary);
}

.ev-accuracy-class {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
    background: #f0fdf4;
    color: #15803d;
}

.ev-accuracy-match-info {
    grid-column: 1 / -1;
    font-size: 0.82rem;
    color: #16a34a;
    padding-left: 28px;
    font-weight: 500;
}

/* Accuracy responsive */
@media (max-width: 768px) {
    .ev-accuracy-summary {
        grid-template-columns: 1fr;
    }

    .ev-accuracy-item {
        grid-template-columns: 1fr;
    }

    .ev-accuracy-item-right {
        padding-left: 28px;
    }

    .ev-accuracy-story {
        max-width: none;
    }
}

@media (max-width: 576px) {
    .ev-accuracy-card {
        padding: 10px 12px;
    }

    .ev-accuracy-items {
        padding: 6px;
    }

    .ev-accuracy-item {
        padding: 6px 10px;
    }
}

/* ========== Book Selector ========== */

.ev-book-selector {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.ev-book-btn {
    padding: 6px 14px;
    border: 2px solid var(--ev-border);
    border-radius: 8px;
    background: white;
    font-family: var(--ev-font);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--ev-text);
    cursor: pointer;
    transition: all 0.15s;
}

.ev-book-btn:hover {
    border-color: var(--ev-primary-light);
    background: var(--ev-accent-light);
}

.ev-book-btn.active {
    border-color: transparent;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

@media (max-width: 576px) {
    .ev-book-selector {
        gap: 4px;
    }

    .ev-book-btn {
        padding: 5px 10px;
        font-size: 0.8rem;
    }
}

/* ========== Chart Legend ========== */

.ev-chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 8px;
}

.ev-chart-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--ev-text);
}

.ev-chart-legend-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 3px;
    flex-shrink: 0;
}

/* ========== Forecast ========== */

.ev-forecast-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.ev-forecast-card {
    background: var(--ev-card-bg);
    border: 1px solid var(--ev-border);
    border-radius: 10px;
    padding: 16px;
}

.ev-forecast-header {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ev-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ev-forecast-header i {
    font-size: 1.1rem;
}

.ev-forecast-r2 {
    padding: 8px 12px;
    background: #ecfdf5;
    border: 1px solid #86efac;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #166534;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ev-forecast-r2.ev-forecast-r2-unknown {
    background: #fef2f2;
    border-color: #fca5a5;
    color: #991b1b;
}

.ev-forecast-books {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ev-forecast-bar-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ev-forecast-bar-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ev-text);
    min-width: 42px;
    text-align: right;
}

.ev-forecast-bar {
    flex: 1;
    height: 20px;
    background: #f3f4f6;
    border-radius: 4px;
    overflow: hidden;
}

.ev-forecast-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 0.4s ease;
    min-width: 2px;
}

.ev-forecast-bar-pct {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ev-text);
    min-width: 36px;
    text-align: right;
}

.ev-forecast-stories {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--ev-border);
}

.ev-forecast-stories-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ev-primary);
    margin-bottom: 6px;
}

.ev-forecast-story {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 0;
    font-size: 0.85rem;
    flex-wrap: wrap;
}

.ev-forecast-story-rank {
    font-weight: 700;
    color: var(--ev-primary);
    min-width: 18px;
}

.ev-forecast-story-name {
    font-weight: 500;
    color: var(--ev-text);
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ev-forecast-story-pct {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--ev-primary);
}

.ev-forecast-story-count {
    font-size: 0.75rem;
    font-weight: 600;
    background: #ede9fe;
    color: #6d28d9;
    padding: 1px 6px;
    border-radius: 4px;
}

.ev-forecast-story-year {
    font-size: 0.75rem;
    color: var(--ev-text-muted);
}

.ev-forecast-tag-pred {
    font-size: 0.7rem;
    font-weight: 700;
    background: #fef3c7;
    color: #b45309;
    padding: 1px 6px;
    border-radius: 4px;
    border: 1px solid #fbbf24;
}

.ev-forecast-story-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 4px;
    color: var(--ev-primary);
    background: var(--ev-accent-light);
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.15s;
    margin-left: auto;
    flex-shrink: 0;
}

.ev-forecast-story-link:hover {
    background: var(--ev-accent);
    color: white;
}

/* Page-level forecast cards */
.ev-forecast-page-card {
    background: var(--ev-card-bg);
    border: 1px solid var(--ev-border);
    border-radius: 10px;
    padding: 16px;
}

.ev-forecast-page-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ev-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.ev-forecast-page-title i {
    font-size: 1rem;
}

.ev-forecast-page-book {
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--ev-accent-light);
    color: var(--ev-primary);
    padding: 2px 8px;
    border-radius: 4px;
}

.ev-forecast-page-rows {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ev-forecast-page-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ev-forecast-page-range {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ev-text);
    min-width: 80px;
    white-space: nowrap;
}

.ev-forecast-page-meta {
    font-size: 0.75rem;
    color: var(--ev-text-muted);
    white-space: nowrap;
}

.ev-forecast-page-story {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--ev-primary);
    background: var(--ev-accent-light);
    padding: 1px 6px;
    border-radius: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

/* Forecast reason button & detail */
.ev-forecast-reason-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    color: var(--ev-text-muted);
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
}

.ev-forecast-reason-btn:hover,
.ev-forecast-reason-btn.active {
    color: var(--ev-primary);
    background: var(--ev-accent-light);
}

.ev-forecast-reason {
    background: #f8f5ff;
    border: 1px solid #e9e0ff;
    border-radius: 8px;
    padding: 12px 14px;
    margin: 2px 0 8px 0;
    animation: ev-slide-down 0.2s ease;
}

@keyframes ev-slide-down {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.ev-forecast-reason-summary {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.ev-forecast-reason-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
}

.ev-forecast-reason-tag.recent {
    background: #dcfce7;
    color: #166534;
}

.ev-forecast-reason-tag.mid {
    background: #fef3c7;
    color: #92400e;
}

.ev-forecast-reason-tag.old {
    background: #f1f5f9;
    color: #475569;
}

.ev-forecast-reason-score {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--ev-accent-light);
    color: var(--ev-primary);
}

.ev-forecast-reason-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--ev-text-muted);
    margin-bottom: 6px;
}

.ev-forecast-reason-list {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.ev-forecast-reason-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    padding: 3px 6px;
    border-radius: 4px;
}

.ev-forecast-reason-item.recent {
    background: rgba(22, 163, 74, 0.06);
}

.ev-forecast-reason-item.mid {
    background: rgba(217, 119, 6, 0.06);
}

.ev-forecast-reason-item.old {
    background: rgba(100, 116, 139, 0.06);
}

.ev-forecast-reason-year {
    font-weight: 700;
    color: var(--ev-text);
    min-width: 36px;
}

.ev-forecast-reason-pages {
    color: var(--ev-text-muted);
    min-width: 70px;
}

.ev-forecast-reason-story {
    color: var(--ev-primary);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 180px;
}

.ev-forecast-reason-class {
    font-size: 0.7rem;
    color: var(--ev-text-muted);
    background: #f1f5f9;
    padding: 0 5px;
    border-radius: 3px;
}

.ev-forecast-reason-weight {
    font-weight: 700;
    font-size: 0.72rem;
    color: var(--ev-text-muted);
    margin-left: auto;
}

/* Forecast responsive */
@media (max-width: 768px) {
    .ev-forecast-grid {
        grid-template-columns: 1fr;
    }

    .ev-forecast-story-name {
        max-width: none;
    }

    .ev-forecast-page-row {
        flex-wrap: wrap;
    }

    .ev-forecast-page-story {
        max-width: none;
    }

    .ev-forecast-reason-story {
        max-width: none;
    }

    .ev-forecast-reason-item {
        flex-wrap: wrap;
    }
}

@media (max-width: 576px) {
    .ev-forecast-card {
        padding: 10px 12px;
    }

    .ev-forecast-page-card {
        padding: 10px 12px;
    }
}