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

:root {
    --pass: #00b894;
    --pass-bg: #d4edda;
    --fail: #d63031;
    --fail-bg: #f8d7da;
    --warn: #e17055;
    --warn-bg: #fff3cd;
    --bg: #f0f2f5;
    --card-bg: #ffffff;
    --header-bg: #2d3436;
    --primary: #0984e3;
    --primary-hover: #0767b3;
    --text: #2d3436;
    --text-muted: #636e72;
    --border: #dfe6e9;
    --radius: 12px;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

header {
    background: var(--header-bg);
    color: #fff;
    padding: 20px 32px;
    display: flex;
    align-items: baseline;
    gap: 16px;
}
header h1 { font-size: 1.5rem; font-weight: 700; }
header .subtitle { font-size: 0.9rem; color: #b2bec3; }
header .version-badge {
    font-size: 0.75rem;
    color: #636e72;
    background: rgba(255,255,255,0.1);
    padding: 2px 8px;
    border-radius: 10px;
    font-family: 'SF Mono', 'Consolas', monospace;
    margin-left: auto;
}

main {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 16px 64px;
}

.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
}

/* File Selection */
.file-selection {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}
.file-card h2 { font-size: 1.1rem; margin-bottom: 12px; }
.file-card select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    background: #fff;
    cursor: pointer;
}

.drop-zone {
    margin-top: 12px;
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    transition: border-color 0.2s, background 0.2s;
}
.drop-zone.dragover { border-color: var(--primary); background: #ebf5fb; }
.drop-zone p { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 8px; }

.upload-status { margin-top: 8px; font-size: 0.85rem; color: var(--primary); }

.btn-primary {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 12px 32px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-primary:hover { background: var(--primary-hover); }
.btn-primary:disabled { background: #b2bec3; cursor: not-allowed; }

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-secondary:hover { background: #ebf5fb; }

.controls {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.95rem;
    cursor: pointer;
}

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
}
.spinner {
    width: 40px; height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error-banner {
    background: var(--fail-bg);
    color: var(--fail);
    padding: 14px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
}

/* Stats */
.section-title { font-size: 1.2rem; margin: 24px 0 16px; }

.report-meta {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.report-meta span { display: inline-flex; align-items: center; gap: 4px; }

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}
.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    text-align: center;
    border-top: 4px solid transparent;
}
.stat-pass { border-top-color: var(--pass); }
.stat-fail { border-top-color: var(--fail); }
.stat-warn { border-top-color: var(--warn); }
.stat-number { font-size: 2.5rem; font-weight: 700; }
.stat-pass .stat-number { color: var(--pass); }
.stat-fail .stat-number { color: var(--fail); }
.stat-warn .stat-number { color: var(--warn); }
.stat-label { font-size: 0.9rem; color: var(--text-muted); margin-top: 4px; }

.charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}
.chart-card { text-align: center; }
.chart-card h3 { font-size: 1rem; margin-bottom: 16px; }
.chart-card canvas { margin: 0 auto; display: block; }
.chart-legend {
    margin-top: 12px;
    display: flex;
    justify-content: center;
    gap: 20px;
    font-size: 0.85rem;
}
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot {
    width: 12px; height: 12px;
    border-radius: 50%;
    display: inline-block;
}

#model-stats { text-align: left; }
#model-stats .muted { color: var(--text-muted); }
.entity-list { list-style: none; max-height: 260px; overflow-y: auto; }
.entity-list li {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}
.entity-list li:last-child { border-bottom: none; }
.entity-count { font-weight: 600; color: var(--primary); }

/* ─── Dashboard Tabs ──────────────────────────────────────────── */
.dash-tabs {
    display: flex; gap: 4px; margin-bottom: 0;
    border-bottom: 2px solid var(--border);
    padding-bottom: 0;
}
.dash-tab {
    padding: 8px 18px;
    border: none; background: none;
    font-size: 0.9rem; font-weight: 500;
    color: var(--text-muted); cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: color 0.15s, border-color 0.15s;
}
.dash-tab:hover { color: var(--text); }
.dash-tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.dash-panel { padding-top: 16px; }

/* ─── Class Bar Chart ─────────────────────────────────────────── */
.class-bar-legend {
    display: flex; gap: 16px; font-size: 0.82rem;
    color: var(--text-muted); margin-bottom: 12px;
}
.cls-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 4px; }
.class-bar-list { display: flex; flex-direction: column; gap: 6px; }
.class-bar-row { display: flex; align-items: center; gap: 10px; }
.class-bar-label { width: 140px; flex-shrink: 0; font-size: 0.82rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.class-bar-track {
    flex: 1; height: 18px; display: flex;
    border-radius: 4px; overflow: hidden;
    background: #f0f2f5; max-width: 100%;
}
.class-bar-seg { height: 100%; transition: width 0.3s; }
.seg-pass { background: var(--pass); }
.seg-warn { background: var(--warn); }
.seg-fail { background: var(--fail); }
.class-bar-counts { display: flex; gap: 6px; font-size: 0.8rem; font-weight: 600; width: 80px; flex-shrink: 0; }

/* ─── Heatmap ─────────────────────────────────────────────────── */
.heatmap-table { border-collapse: collapse; font-size: 0.82rem; min-width: 400px; }
.heatmap-table th {
    text-align: center; padding: 6px 10px;
    background: #f8f9fa; border: 1px solid var(--border);
    font-size: 0.78rem; font-weight: 600; color: var(--text-muted);
}
.hm-label { padding: 6px 12px; border: 1px solid var(--border); font-size: 0.82rem; white-space: nowrap; }
.hm-cell { text-align: center; padding: 6px 10px; border: 1px solid var(--border); font-weight: 600; font-size: 0.82rem; cursor: default; }
.hm-empty { text-align: center; padding: 6px 10px; border: 1px solid var(--border); color: var(--border); font-size: 0.75rem; }

/* ─── Coverage Dashboard ──────────────────────────────────────── */
.coverage-summary { display: flex; gap: 24px; align-items: center; margin-bottom: 16px; }
.cov-card { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.cov-circle {
    width: 80px; height: 80px; border-radius: 50%;
    background: conic-gradient(var(--pass) calc(var(--pct) * 1%), var(--border) 0);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem; font-weight: 700; color: var(--text);
    position: relative;
}
.cov-circle::before {
    content: ''; position: absolute; inset: 10px;
    background: var(--card-bg); border-radius: 50%;
}
.cov-circle span { position: relative; z-index: 1; }
.cov-stat-list { display: flex; flex-direction: column; gap: 4px; font-size: 0.9rem; }
.cov-bar-wrap { width: 140px; height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; }
.cov-bar { height: 100%; border-radius: 4px; transition: width 0.3s; }

/* Overall Status */
.overall-status {
    padding: 16px 24px;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 8px;
}
.status-pass { background: var(--pass-bg); color: #155724; }
.status-fail { background: var(--fail-bg); color: #721c24; }

/* Specifications */
.spec-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 12px;
    overflow: hidden;
}
.spec-header {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
    transition: background 0.15s;
}
.spec-header:hover { background: #f8f9fa; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    flex-shrink: 0;
}
.badge-pass { background: var(--pass-bg); color: #155724; }
.badge-fail { background: var(--fail-bg); color: #721c24; }
.badge-warn { background: var(--warn-bg); color: #856404; }

.spec-info { flex: 1; }
.spec-name { font-weight: 600; font-size: 1rem; }
.spec-meta { font-size: 0.85rem; color: var(--text-muted); margin-top: 2px; }
.spec-counts { font-size: 0.85rem; color: var(--text-muted); }
.spec-toggle {
    font-size: 0.85rem;
    color: var(--primary);
    white-space: nowrap;
}

.spec-details { display: none; padding: 0; overflow-x: auto; }
.spec-details.open { display: block; }

/* Flat table inside spec-details (no subgroups) */
.spec-details > .results-table { margin: 0 20px 20px; width: calc(100% - 40px); min-width: 600px; }

/* Nested Sub-Group Accordions */
.subgroup-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px 20px 16px;
}
.subgroup {
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}
.subgroup-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    cursor: pointer;
    background: #f8f9fa;
    transition: background 0.15s;
    user-select: none;
}
.subgroup-header:hover { background: #eef0f2; }
.subgroup-title {
    flex: 1;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
}
.subgroup-counts {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}
.subgroup-toggle {
    font-size: 0.8rem;
    color: var(--primary);
    width: 16px;
    text-align: center;
}
.subgroup-body { display: none; }
.subgroup-body.open { display: block; }
.subgroup-body .results-table { margin: 0; border-top: 1px solid var(--border); }

.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    table-layout: auto;
    word-break: break-word;
}
.results-table th {
    text-align: left;
    padding: 8px 10px;
    background: #f8f9fa;
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}
.results-table td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
    white-space: normal;
}
/* Колонка «Сообщение» — гарантированная ширина */
.results-table td.col-message { min-width: 200px; white-space: normal; }
/* Колонка «GUID / Элемент» */
.results-table td.col-elem { min-width: 140px; }
.results-table tr:last-child td { border-bottom: none; }
.cell-pass { color: var(--pass); font-weight: 600; }
.cell-fail { color: var(--fail); font-weight: 600; }
.cell-warn { color: var(--warn); font-weight: 600; }

/* Filter Bar */
.filter-bar {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 14px 20px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.filter-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
}
.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}
.filter-btns {
    display: flex;
    gap: 4px;
}
.filter-btn {
    padding: 5px 13px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    border: 1.5px solid transparent;
    background: #f0f2f5;
    color: var(--text-muted);
    transition: all 0.15s;
    letter-spacing: 0.03em;
}
.filter-btn:hover:not(.active) { background: #e0e4e8; color: var(--text); }
.filter-btn.active             { background: var(--primary); color: #fff; border-color: var(--primary); }
.filter-btn.fail.active        { background: var(--fail); border-color: var(--fail); color: #fff; }
.filter-btn.warn.active        { background: var(--warn); border-color: var(--warn); color: #fff; }
.filter-btn.pass.active        { background: var(--pass); border-color: var(--pass); color: #fff; }

.filter-search-group { flex: 1; min-width: 220px; }
#search-input {
    width: 100%;
    padding: 7px 12px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.15s;
    background: #fff;
}
#search-input:focus { border-color: var(--primary); }

#group-by {
    padding: 6px 10px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 0.85rem;
    background: #fff;
    cursor: pointer;
    outline: none;
    transition: border-color 0.15s;
}
#group-by:focus { border-color: var(--primary); }

.filter-count {
    font-size: 0.82rem;
    color: var(--text-muted);
    white-space: nowrap;
    margin-left: auto;
    font-style: italic;
}

/* GUID tag inside element cell */
.elem-cell { display: flex; flex-direction: column; gap: 3px; }
.guid-tag {
    font-size: 0.72rem;
    font-family: 'SF Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
    color: var(--text-muted);
    background: #f0f2f5;
    padding: 2px 7px;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    letter-spacing: 0.02em;
    cursor: pointer;
    max-width: fit-content;
    user-select: none;
    transition: background 0.15s, color 0.15s;
    position: relative;
}
.guid-tag:hover { background: #e0e4e8; color: var(--text); }
.guid-tag.copied { background: var(--pass-bg); color: #155724; }
.guid-copy-icon { font-size: 0.65rem; opacity: 0.5; }
.guid-tag:hover .guid-copy-icon { opacity: 1; }

/* IfcSpace subtype badges */
.subtype-badge {
    font-size: 0.68rem; font-weight: 600; padding: 1px 6px;
    border-radius: 10px; white-space: nowrap;
}
.subtype-room  { background: #dfe6e9; color: #2d3436; }
.subtype-zone  { background: #d1ecf1; color: #0c5460; }
.subtype-area  { background: #fff3cd; color: #856404; }

/* CSV / 3D buttons */
.btn-csv, .btn-3d {
    padding: 5px 12px;
    font-size: 0.8rem;
    white-space: nowrap;
}

/* Per-row 3D button */
.btn-view3d {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0 3px;
    opacity: 0.45;
    transition: opacity 0.15s;
    vertical-align: middle;
    line-height: 1;
}
.btn-view3d:hover { opacity: 1; }

/* Specification column in grouped view */
.spec-name-cell {
    font-size: 0.8rem;
    color: var(--text-muted);
    max-width: 160px;
    word-break: break-word;
    line-height: 1.3;
}

/* History */
.history-section { margin-top: 32px; }
.clickable { cursor: pointer; user-select: none; }
.clickable:hover { color: var(--primary); }
#history-toggle { font-size: 0.8rem; transition: transform 0.2s; display: inline-block; }
#history-toggle.open { transform: rotate(90deg); }

.history-item {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: background 0.15s;
}
.history-item:hover { background: #f8f9fa; }
.history-item .meta { font-size: 0.85rem; color: var(--text-muted); }

/* ─── View Toggle ────────────────────────────────────────────── */
.view-toggle {
    display: flex; gap: 4px;
    margin-bottom: 12px;
}
.view-btn {
    padding: 7px 18px;
    border: 1.5px solid var(--border);
    border-radius: 20px;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.88rem; font-weight: 500;
    cursor: pointer; transition: all 0.15s;
}
.view-btn:hover { border-color: var(--primary); color: var(--primary); }
.view-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }

/* ─── Action List ────────────────────────────────────────────── */
.action-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 10px;
    overflow: hidden;
}
.action-header {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 20px; cursor: pointer;
    user-select: none; transition: background 0.15s;
}
.action-header:hover { background: #f8f9fa; }
.action-text { flex: 1; font-size: 0.92rem; }
.action-text code { background: #f0f2f5; padding: 1px 5px; border-radius: 4px; font-size: 0.85em; }
.action-text em { font-style: normal; color: var(--text-muted); }
.action-toggle { color: var(--primary); font-size: 0.8rem; }
.action-body { display: none; padding: 12px 20px 16px; border-top: 1px solid var(--border); }
.action-body.open { display: block; }
.copy-all-btn { margin-bottom: 10px; }
.action-elem-list { display: flex; flex-direction: column; gap: 4px; max-height: 320px; overflow-y: auto; }
.action-elem-row {
    display: flex; align-items: center; gap: 10px;
    padding: 5px 8px; border-radius: 6px; font-size: 0.84rem;
}
.action-elem-row.clickable { cursor: pointer; }
.action-elem-row.clickable:hover { background: #f0f7ff; }

/* ─── Show-more pagination ───────────────────────────────────── */
.show-more-wrap { padding: 10px 20px; }

/* ─── Clickable rows ─────────────────────────────────────────── */
.result-row.clickable { cursor: pointer; }
.result-row.clickable:hover td { background: #f0f7ff; }

/* ─── Element Detail Panel ───────────────────────────────────── */
.element-panel-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.35);
    z-index: 100; display: none;
}
.element-panel-overlay.open { display: block; }

.element-panel {
    position: fixed;
    right: 0; top: 0; bottom: 0;
    width: 440px;
    max-width: 100vw;
    background: var(--card-bg);
    z-index: 101;
    overflow-y: auto;
    box-shadow: -4px 0 24px rgba(0,0,0,0.18);
    transform: translateX(100%);
    transition: transform 0.25s ease;
    display: flex;
    flex-direction: column;
}
.element-panel.open { transform: translateX(0); }

.panel-header {
    position: sticky; top: 0;
    background: var(--header-bg);
    color: #fff;
    padding: 14px 20px;
    display: flex; align-items: center; gap: 12px;
    z-index: 1; flex-shrink: 0;
}
.panel-header h3 { flex: 1; font-size: 0.95rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.panel-close {
    background: none; border: none; color: #fff;
    font-size: 1.2rem; cursor: pointer; line-height: 1;
    padding: 4px 8px; border-radius: 4px; flex-shrink: 0;
}
.panel-close:hover { background: rgba(255,255,255,0.15); }

.panel-section {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
}
.panel-section h4 {
    font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.07em; color: var(--text-muted); margin-bottom: 10px;
}
.panel-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
.panel-table td { padding: 5px 6px; vertical-align: top; border-bottom: 1px solid #f0f2f5; }
.panel-table tr:last-child td { border-bottom: none; }
.panel-table td.panel-key { color: var(--text-muted); width: 120px; white-space: nowrap; font-size: 0.8rem; }

.spatial-path {
    font-size: 0.88rem; color: var(--text);
    background: #f8f9fa; padding: 8px 12px;
    border-radius: 6px;
}

.pset-details { margin-bottom: 6px; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.pset-details summary {
    cursor: pointer; font-size: 0.85rem;
    padding: 8px 12px; user-select: none;
    background: #f8f9fa; list-style: none;
    display: flex; align-items: center; gap: 6px;
}
.pset-details summary::-webkit-details-marker { display: none; }
.pset-details summary::before { content: '▶'; font-size: 0.65rem; color: var(--primary); }
.pset-details[open] summary::before { content: '▼'; }
.pset-table { font-size: 0.82rem; width: 100%; }
.pset-table td { padding: 4px 12px; border-bottom: 1px solid var(--border); }
.pset-table tr:last-child td { border-bottom: none; }

.ids-result-item {
    display: flex; gap: 10px; align-items: flex-start;
    padding: 8px 0; border-bottom: 1px solid var(--border);
}
.ids-result-item:last-child { border-bottom: none; }
.ids-status-badge { font-weight: 700; font-size: 0.78rem; min-width: 38px; padding-top: 2px; }
.ids-result-body { flex: 1; font-size: 0.82rem; }
.ids-result-spec { font-weight: 600; margin-bottom: 2px; }
.ids-result-prop { color: var(--text-muted); font-family: 'SF Mono', monospace; font-size: 0.78rem; margin-bottom: 2px; }
.ids-result-msg  { color: var(--text); line-height: 1.4; }

.panel-loading { padding: 40px; text-align: center; color: var(--text-muted); }

/* Responsive */
@media (max-width: 768px) {
    .file-selection { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: 1fr; }
    .charts-row { grid-template-columns: 1fr; }
    header { flex-direction: column; gap: 4px; }
}