/* ═══════════════════════════════════════════════════════════════════════════
   Expression Émotionnelle — Viewer Styles
   ═══════════════════════════════════════════════════════════════════════════ */

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

:root {
  --bg:             #f5f6f8;
  --bg-surface:     #ffffff;
  --bg-surface-alt: #f0f1f4;
  --border:         #dfe1e6;
  --border-subtle:  #e8eaef;
  --text-primary:   #1a1d23;
  --text-secondary: #5e6372;
  --text-tertiary:  #8b90a0;
  --accent:         #4361ee;
  --accent-light:   #e8edff;
  --danger:         #ef476f;

  /* Mode highlight colours (matching previous visualization) */
  --hl-designee:        rgba(40, 80, 160, 0.30);
  --hl-comportementale: rgba(0, 130, 100, 0.30);
  --hl-suggeree:        rgba(180, 100, 20, 0.30);
  --hl-montree:         rgba(120, 50, 140, 0.30);
  --hl-autre:           rgba(120, 120, 120, 0.30);

  --hl-decl-color: #cc0000;

  --font:      'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --text-xs:   0.7rem;
  --text-sm:   0.8rem;
  --text-base: 0.875rem;
  --text-lg:   1rem;
  --text-xl:   1.25rem;
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-5: 20px; --sp-6: 24px; --sp-8: 32px;
  --radius-sm: 4px; --radius: 6px; --radius-lg: 10px;
  --shadow-sm:  0 1px 2px rgba(0,0,0,.04);
  --shadow:     0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-lg:  0 10px 15px rgba(0,0,0,.06), 0 4px 6px rgba(0,0,0,.04);
  --sidebar-w: 280px;
}

body {
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* ── Layout ──────────────────────────────────────────────────────────────── */
#app-layout { display: flex; min-height: 100vh; }

/* ── Sidebar ─────────────────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  padding: var(--sp-4);
  overflow-y: auto;
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  transition: width 0.2s ease, min-width 0.2s ease, padding 0.2s ease;
}
#sidebar.collapsed {
  width: 0;
  min-width: 0;
  padding: 0;
  overflow: hidden;
  border-right: none;
}
.sidebar-header {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--text-primary);
  padding-bottom: var(--sp-3);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--sp-4);
  flex-shrink: 0;
}
.sidebar-header svg { color: var(--text-tertiary); flex-shrink: 0; }
.sidebar-header .btn-ghost { margin-left: auto; }

/* Sidebar open button */
.sidebar-open-btn {
  display: none; /* shown via JS when sidebar collapsed */
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  margin-bottom: var(--sp-4);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.12s ease;
  width: fit-content;
}
.sidebar-open-btn:hover { background: var(--bg-surface-alt); }
.sidebar-open-btn svg { color: var(--text-tertiary); }
#sidebar.collapsed ~ #main-content .sidebar-open-btn { display: inline-flex; }

.btn-ghost {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  cursor: pointer;
  padding: 2px 8px;
  transition: all 0.15s ease;
}
.btn-ghost:hover { background: var(--bg-surface-alt); color: var(--text-primary); }

/* Filter sections */
.filter-section { margin-bottom: var(--sp-4); }
.filter-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  margin-bottom: var(--sp-2);
}

#search-input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: var(--text-sm);
  color: var(--text-primary);
  background: var(--bg);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
#search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
#search-input::placeholder { color: var(--text-tertiary); }

.checkbox-group { display: flex; flex-direction: column; gap: 2px; }
.checkbox-group.scrollable { max-height: 180px; overflow-y: auto; padding-right: var(--sp-1); }
.checkbox-group.scrollable::-webkit-scrollbar { width: 4px; }
.checkbox-group.scrollable::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.checkbox-item {
  display: flex; align-items: center; gap: var(--sp-2);
  padding: 3px var(--sp-2); border-radius: var(--radius-sm);
  cursor: pointer; font-size: var(--text-sm); color: var(--text-secondary);
  transition: background 0.1s ease; user-select: none;
}
.checkbox-item:hover { background: var(--bg-surface-alt); }
.checkbox-item input[type="checkbox"] { accent-color: var(--accent); width: 14px; height: 14px; flex-shrink: 0; }

/* ── Main content ────────────────────────────────────────────────────────── */
#main-content { flex: 1; padding: var(--sp-5); overflow-x: hidden; min-width: 0; }

/* Charts toggle button */
.charts-toggle-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; margin-bottom: var(--sp-3);
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: var(--radius); font-family: var(--font);
  font-size: var(--text-sm); font-weight: 500; color: var(--text-secondary);
  cursor: pointer; user-select: none;
  transition: background 0.12s ease;
}
.charts-toggle-btn:hover { background: var(--bg-surface-alt); color: var(--text-primary); }
.charts-toggle-icon { transition: transform 0.2s ease; flex-shrink: 0; }
.charts-toggle-btn.open .charts-toggle-icon { transform: rotate(180deg); }

/* Charts row */
#charts-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--sp-4); margin-bottom: var(--sp-4);
  overflow: hidden; transition: max-height 0.3s ease, opacity 0.2s ease;
}
#charts-row.charts-collapsed {
  max-height: 0; opacity: 0; margin-bottom: 0;
}
.chart-card {
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius); padding: var(--sp-4); box-shadow: var(--shadow-sm);
}
.chart-card h3 { font-size: var(--text-sm); font-weight: 600; color: var(--text-secondary); margin-bottom: var(--sp-3); }
.chart-bars { display: flex; flex-direction: column; gap: 6px; }
.bar-row { display: flex; align-items: center; gap: var(--sp-2); }
.bar-label { width: 110px; font-size: var(--text-xs); color: var(--text-secondary); text-align: right; flex-shrink: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-track { flex: 1; height: 18px; background: var(--bg-surface-alt); border-radius: 3px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 3px; transition: width 0.35s ease; min-width: 2px; }
.bar-count { width: 40px; font-size: var(--text-xs); color: var(--text-tertiary); text-align: right; flex-shrink: 0; }

/* ── Legend ───────────────────────────────────────────────────────────────── */
#legend-bar {
  display: flex; align-items: center; gap: var(--sp-4); flex-wrap: wrap;
  margin-bottom: var(--sp-4); font-size: var(--text-sm); color: var(--text-secondary);
}
.legend-item { display: inline-flex; align-items: center; gap: 5px; font-weight: 500; }
.legend-swatch { display: inline-block; width: 18px; height: 14px; border-radius: 3px; border: 1px solid rgba(0,0,0,.08); }
.legend-decl .legend-swatch-text {
  color: var(--hl-decl-color); font-weight: 700; text-decoration: underline;
  text-decoration-color: var(--hl-decl-color); font-size: var(--text-xs);
}

/* ── Table ────────────────────────────────────────────────────────────────── */
#table-container {
  background: var(--bg-surface); border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden;
}
#table-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--border-subtle);
}
#table-count { font-size: var(--text-sm); color: var(--text-secondary); }
.table-pagination { display: flex; align-items: center; gap: var(--sp-1); }
.table-pagination button {
  padding: 4px 10px; font-size: var(--text-sm); font-family: var(--font);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-surface); color: var(--text-secondary); cursor: pointer;
  transition: all 0.12s ease;
}
.table-pagination button:hover:not(:disabled) { background: var(--bg-surface-alt); color: var(--text-primary); }
.table-pagination button:disabled { opacity: 0.4; cursor: default; }
.table-pagination button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.table-pagination .page-info { font-size: var(--text-sm); color: var(--text-tertiary); margin: 0 var(--sp-2); }

#table-scroll { overflow-x: auto; }

#data-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
#data-table th {
  position: sticky; top: 0; background: var(--bg-surface-alt);
  text-align: left; font-weight: 600; font-size: var(--text-xs);
  text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-tertiary);
  padding: var(--sp-2) var(--sp-3); border-bottom: 1px solid var(--border);
  white-space: nowrap; user-select: none;
}
#data-table th.sortable { cursor: pointer; }
#data-table th.sortable:hover { color: var(--text-primary); }
#data-table th.sort-asc::after { content: ' ↑'; }
#data-table th.sort-desc::after { content: ' ↓'; }
#data-table td {
  padding: var(--sp-2) var(--sp-3); border-bottom: 1px solid var(--border-subtle);
  vertical-align: top; color: var(--text-secondary);
}
#data-table tbody tr { transition: background 0.1s ease; cursor: pointer; }
#data-table tbody tr:hover { background: var(--bg-surface-alt); }

#main-title {
  margin: 0 0 var(--sp-1) 0;
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
#main-subtitle {
  margin: 0 0 var(--sp-4) 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
#main-subtitle a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.15s ease;
}
#main-subtitle a:hover {
  color: var(--text-primary);
}
.col-text   { min-width: 350px; }
.col-tags   { width: 120px; }

/* ── Highlighted text spans ──────────────────────────────────────────────── */
.annotated-text {
  font-size: var(--text-sm); line-height: 1.7;
  color: var(--text-primary); white-space: pre-wrap; word-break: break-word;
}
/* Extra line-height when arrows are shown */
body.show-arrows .annotated-text { line-height: 3.2; }

.hl-segment { border-radius: 2px; padding: 1px 0; }
.hl-decl {
  color: var(--hl-decl-color); font-weight: 700;
  text-decoration: underline; text-decoration-color: var(--hl-decl-color);
}
body.hide-decl .hl-decl { color: inherit; font-weight: inherit; text-decoration: none; }

/* Arrow callout: positioned from segment wrapper */
.hl-seg-wrap { position: relative; }
.hl-emo-callout {
  position: absolute;
  left: 50%; top: calc(100% + 1px);
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center;
  white-space: nowrap; pointer-events: none; z-index: 2;
  line-height: 1;
}
.hl-callout-arrow {
  font-size: 10px; color: #999; line-height: 1;
}
.hl-callout-label {
  font-size: 8px; font-weight: 700; letter-spacing: 0.02em;
  color: var(--text-secondary); background: rgba(255,255,255,.85);
  padding: 0 3px; border-radius: 2px; line-height: 1.3;
}
/* Hide callouts when option is off */
body:not(.show-arrows) .hl-emo-callout { display: none; }

/* Tag pills in table cells */
.tag-pills { display: flex; flex-wrap: wrap; gap: 3px; }

.pill {
  display: inline-block; padding: 1px 8px; border-radius: 100px;
  font-size: var(--text-xs); font-weight: 500; white-space: nowrap;
}
.pill-colere       { background: #fde8e8; color: #b91c1c; }
.pill-degout       { background: #ede9f6; color: #4c3d6d; }
.pill-joie         { background: #fef3cd; color: #92600a; }
.pill-peur         { background: #e2e5f1; color: #2d3256; }
.pill-surprise     { background: #d8f3f8; color: #19657a; }
.pill-tristesse    { background: #e0e8f0; color: #2c4a66; }
.pill-admiration   { background: #fdf0e0; color: #7a5321; }
.pill-culpabilite  { background: #ede8f0; color: #574765; }
.pill-embarras     { background: #f6e5eb; color: #8b3b55; }
.pill-fierte       { background: #dff0e5; color: #2d6b45; }
.pill-jalousie     { background: #f0e5e5; color: #6b3535; }
.pill-autre        { background: #ecedf0; color: #5a5d6b; }

.pill-mode-comportementale { background: rgba(0,130,100,.12); color: #065f46; }
.pill-mode-designee   { background: rgba(40,80,160,.12); color: #1e3a8a; }
.pill-mode-montree    { background: rgba(120,50,140,.12); color: #6b21a8; }
.pill-mode-suggeree   { background: rgba(180,100,20,.12); color: #92400e; }

.pill-corpus {
  background: var(--bg-surface-alt); color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

/* ── Modal ────────────────────────────────────────────────────────────────── */
#modal-backdrop {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.35); display: flex;
  align-items: center; justify-content: center;
  backdrop-filter: blur(2px); animation: fadeIn 0.15s ease;
}
#modal-backdrop.hidden { display: none; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

#modal-card {
  background: var(--bg-surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); width: min(750px, 92vw);
  max-height: 85vh; overflow-y: auto; padding: var(--sp-6);
  position: relative; animation: slideUp 0.2s ease;
}
#modal-close { position: absolute; top: var(--sp-3); right: var(--sp-3); font-size: var(--text-lg); }
#modal-title { font-size: var(--text-lg); font-weight: 700; margin-bottom: var(--sp-4); padding-right: var(--sp-8); }
.modal-field { margin-bottom: var(--sp-3); }
.modal-field-label { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-tertiary); margin-bottom: 2px; }
.modal-field-value { font-size: var(--text-base); color: var(--text-primary); line-height: 1.6; }
.modal-field-value.muted { color: var(--text-tertiary); font-style: italic; }
.modal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); }

.modal-text-block {
  background: var(--bg-surface-alt); border: 1px solid var(--border-subtle);
  border-radius: var(--radius); padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-base); line-height: 1.8;
  white-space: pre-wrap; word-break: break-word;
  max-height: 400px; overflow-y: auto;
}
body.show-arrows .modal-text-block { line-height: 3.2; }

.modal-ann-list { margin-top: var(--sp-3); }
.modal-ann-item {
  background: var(--bg-surface-alt); border: 1px solid var(--border-subtle);
  border-radius: var(--radius); padding: var(--sp-2) var(--sp-3);
  margin-bottom: var(--sp-2); font-size: var(--text-sm);
}
.modal-ann-item .tag-pills { margin-top: 4px; }

/* ── Loading ─────────────────────────────────────────────────────────────── */
#loading-overlay {
  position: fixed; inset: 0; z-index: 2000; background: var(--bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--sp-4);
}
#loading-overlay.hidden { display: none; }
#loading-overlay p { color: var(--text-secondary); font-size: var(--text-sm); }
.loader-spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  #sidebar { width: 240px; min-width: 240px; }
  #charts-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  #app-layout { flex-direction: column; }
  #sidebar, #sidebar:not(.collapsed) {
    position: static; width: 100% !important; min-width: 100% !important;
    height: auto; max-height: 50vh; border-right: none;
    border-bottom: 1px solid var(--border);
  }
}