/* ══════════════════════════════════════════════════════════════════════
   BibloAnalyse — Design System
   ══════════════════════════════════════════════════════════════════════ */

:root {
  --bg:         #0f1117;
  --bg-card:    #1a1d27;
  --bg-hover:   #21253a;
  --sidebar-bg: #13151f;
  --border:     #2a2d3e;
  --border-light:#353854;

  --accent:     #6c8eff;
  --accent-2:   #a78bfa;
  --accent-3:   #34d399;
  --accent-4:   #f59e0b;
  --accent-5:   #f87171;
  --accent-6:   #60a5fa;

  --text:       #e2e8f0;
  --text-muted: #8892a4;
  --text-dim:   #4a5568;

  --sidebar-w:  260px;
  --radius:     10px;
  --radius-sm:  6px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

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

/* ── Sidebar ─────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  flex-shrink: 0;
}

.logo {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  font-size: 22px;
  color: var(--accent);
}
.logo-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .5px;
}

.steps-nav {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-muted);
  transition: all .15s;
  cursor: pointer;
}
.step:hover { background: var(--bg-hover); color: var(--text); }
.step.active {
  background: rgba(108, 142, 255, .12);
  color: var(--accent);
  font-weight: 600;
}
.step.done { color: var(--accent-3); }
.step.disabled { opacity: .35; pointer-events: none; }

.step-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.step.active .step-num { background: var(--accent); color: #fff; }
.step.done  .step-num { background: var(--accent-3); color: #fff; }
.step-label { font-size: 13px; }

/* Sidebar stats */
.sidebar-stats {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.stat-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
.stat-block.highlight { border-color: var(--accent); }
.stat-val { font-size: 22px; font-weight: 700; color: var(--text); line-height: 1; }
.stat-block.highlight .stat-val { color: var(--accent); }
.stat-lbl { font-size: 10px; color: var(--text-muted); text-align: center; text-transform: uppercase; letter-spacing: .5px; }

/* Analysis nav (sidebar) */
.analysis-nav {
  padding: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.analysis-nav a {
  display: block;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-muted);
  font-size: 12px;
  transition: all .15s;
}
.analysis-nav a:hover,
.analysis-nav a.active { background: var(--bg-hover); color: var(--accent); }

/* ── Main ─────────────────────────────────────────────────────────────── */
.main {
  flex: 1;
  padding: 32px 40px 60px;
  max-width: 1200px;
  overflow-x: hidden;
}

/* ── Page header ─────────────────────────────────────────────────────── */
.page-header {
  margin-bottom: 28px;
}
.page-header h1 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.subtitle {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}
.header-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

/* ── Card ─────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 20px;
}
.card-header {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
}
.card-header h2 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.card-header h3 { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.card-hint { color: var(--text-muted); font-size: 12px; }
.card-body { padding: 20px; }

.card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* ── Badge ───────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(108,142,255,.15);
  color: var(--accent);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  margin-left: 6px;
}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: all .15s;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: #7a9fff; }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-large { padding: 12px 28px; font-size: 15px; }
.btn-sm { padding: 6px 14px; font-size: 12px; }

.btn-sm.btn-check   { background: rgba(52,211,153,.1); color: var(--accent-3); border: 1px solid rgba(52,211,153,.3); }
.btn-sm.btn-uncheck { background: rgba(248,113,113,.1); color: var(--accent-5); border: 1px solid rgba(248,113,113,.3); }
.btn-sm.btn-check:hover   { background: rgba(52,211,153,.2); }
.btn-sm.btn-uncheck:hover { background: rgba(248,113,113,.2); }

/* ── Upload ──────────────────────────────────────────────────────────── */
.upload-card { max-width: 640px; }

.drop-zone {
  border: 2px dashed var(--border-light);
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  background: var(--bg);
}
.drop-zone:hover,
.drop-zone.drag-over { border-color: var(--accent); background: rgba(108,142,255,.04); }
.drop-zone.has-file  { border-color: var(--accent-3); }

.drop-icon { font-size: 36px; margin-bottom: 12px; color: var(--text-muted); }
.drop-title { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.drop-sub   { color: var(--text-muted); font-size: 13px; }
.file-info  { margin-top: 16px; }
.file-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(52,211,153,.1);
  color: var(--accent-3);
  border: 1px solid rgba(52,211,153,.3);
  border-radius: 20px;
  font-size: 13px;
}

.format-hints {
  margin: 20px 0;
  padding: 16px;
  background: rgba(108,142,255,.05);
  border: 1px solid rgba(108,142,255,.15);
  border-radius: var(--radius-sm);
}
.format-hints h3 { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; text-transform: uppercase; letter-spacing: .5px; }
.format-hints ul { padding-left: 16px; }
.format-hints li { color: var(--text-muted); font-size: 13px; margin-bottom: 4px; }
.format-hints code {
  background: var(--bg-hover);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--accent);
  font-size: 12px;
}

/* ── Columns grid ────────────────────────────────────────────────────── */
.columns-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 24px;
}

.col-card {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .15s;
  display: block;
}
.col-card input { display: none; }
.col-card-inner {
  padding: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}
.col-icon { font-size: 22px; }
.col-name { font-size: 12px; color: var(--text-muted); word-break: break-all; }
.col-card:hover { border-color: var(--accent); }
.col-card.selected {
  border-color: var(--accent);
  background: rgba(108,142,255,.08);
}
.col-card.selected .col-name { color: var(--accent); font-weight: 600; }

/* ── N-grams ─────────────────────────────────────────────────────────── */
.ngram-card { margin-bottom: 24px; }

.search-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 6px 12px;
  font-size: 12px;
  width: 160px;
  outline: none;
  transition: border-color .15s;
}
.search-box:focus { border-color: var(--accent); }

.ngram-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 6px;
  max-height: 420px;
  overflow-y: auto;
  padding-right: 4px;
}
.ngram-list::-webkit-scrollbar { width: 6px; }
.ngram-list::-webkit-scrollbar-track { background: var(--bg); }
.ngram-list::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }

.ngram-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .12s;
  background: var(--bg);
}
.ngram-item:hover { border-color: var(--accent); background: var(--bg-hover); }
.ngram-item input[type="checkbox"] {
  appearance: none;
  width: 15px;
  height: 15px;
  border: 2px solid var(--border-light);
  border-radius: 3px;
  flex-shrink: 0;
  cursor: pointer;
  transition: all .12s;
  position: relative;
}
.ngram-item input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.ngram-item input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  color: #fff;
  font-size: 10px;
  top: -1px;
  left: 1px;
}

.ngram-term {
  flex: 1;
  font-size: 13px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ngram-freq {
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg-hover);
  padding: 1px 6px;
  border-radius: 10px;
  flex-shrink: 0;
}

/* ── Action bar (sticky) ─────────────────────────────────────────────── */
.action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding: 12px 0;
}
.sticky-bar {
  position: sticky;
  bottom: 0;
  background: var(--bg);
  padding: 12px 16px;
  margin: 0 -16px;
  border-top: 1px solid var(--border);
  z-index: 10;
}
.action-info { color: var(--text-muted); font-size: 13px; }
.action-info span { color: var(--accent); font-weight: 700; font-size: 16px; }

/* ── Analysis sections ───────────────────────────────────────────────── */
.analysis-section {
  margin-bottom: 48px;
  scroll-margin-top: 24px;
}
.section-header { margin-bottom: 14px; }
.section-header h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text);
}
.section-desc { color: var(--text-muted); font-size: 13px; }

/* ── Tables ──────────────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .5px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: 9px 12px;
  border-bottom: 1px solid rgba(42,45,62,.6);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--bg-hover); }

.rank  { color: var(--text-dim); font-size: 12px; width: 36px; }
.term  { color: var(--text); font-weight: 500; }
.term.small { font-size: 12px; max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.score { color: var(--accent-3); font-size: 13px; white-space: nowrap; }

/* ── Bars ─────────────────────────────────────────────────────────────── */
.bar-cell { width: 120px; }
.bar-bg {
  background: var(--bg-hover);
  border-radius: 3px;
  height: 8px;
  overflow: hidden;
}
.bar-bg.small { height: 5px; }
.bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width .3s ease;
}
.bar-fill.bar-blue   { background: var(--accent-6); }
.bar-fill.bar-green  { background: var(--accent-3); }
.bar-fill.bar-purple { background: var(--accent-2); }
.bar-fill.bar-orange { background: var(--accent-4); }
.bar-fill.bar-red    { background: var(--accent-5); }

/* ── Topics grid ─────────────────────────────────────────────────────── */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.topic-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.topic-header {
  padding: 12px 16px;
  background: rgba(108,142,255,.07);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.topic-num { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; }
.topic-label { font-size: 14px; font-weight: 700; color: var(--accent); }
.topic-variance { font-size: 11px; color: var(--accent-3); }

.topic-terms { padding: 12px 16px; display: flex; flex-direction: column; gap: 7px; }
.topic-term {
  display: flex;
  align-items: center;
  gap: 8px;
}
.topic-term-name {
  font-size: 12px;
  color: var(--text);
  width: 110px;
  flex-shrink: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topic-term-name.negative { color: var(--accent-5); }
.neg-sign { font-size: 10px; margin-left: 2px; }
.topic-term-weight {
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
  margin-left: auto;
}
.topic-term .bar-bg { flex: 1; }

/* ── Empty state ─────────────────────────────────────────────────────── */
.empty-msg { color: var(--text-muted); font-size: 13px; font-style: italic; }

/* ── Scrollbar global ────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* ── Terme exclu dans la liste ───────────────────────────────────────── */
.ngram-item.excluded-row,
.ngram-item.blacklisted {
  opacity: .38;
  background: rgba(248,113,113,.04);
  border-color: rgba(248,113,113,.25);
}
.ngram-item.blacklisted .ngram-term {
  text-decoration: line-through;
  text-decoration-color: rgba(248,113,113,.6);
  color: var(--text-muted);
}
.bl-badge {
  font-size: 11px;
  flex-shrink: 0;
  opacity: .7;
}

/* ── Panneau sidebar — Termes exclus ─────────────────────────────────── */
.excluded-stat { grid-column: 1 / -1; }
.excluded-stat .stat-val { color: var(--accent-5); }

.excluded-panel {
  margin: 0 12px 16px;
  border: 1px solid rgba(248,113,113,.25);
  border-radius: var(--radius-sm);
  background: rgba(248,113,113,.04);
  overflow: hidden;
}

.excluded-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(248,113,113,.15);
}
.excluded-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-5);
  text-transform: uppercase;
  letter-spacing: .5px;
}

.excluded-tabs {
  display: flex;
  gap: 2px;
  padding: 6px 8px;
  border-bottom: 1px solid rgba(248,113,113,.15);
  background: rgba(0,0,0,.1);
}

.excluded-tab-btn {
  flex: 1;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all .15s;
  text-align: center;
}
.excluded-tab-btn:hover {
  background: rgba(248,113,113,.08);
  color: var(--text);
}
.excluded-tab-btn.active {
  background: rgba(248,113,113,.15);
  color: var(--accent-5);
  border-color: rgba(248,113,113,.3);
}

.btn-restore-all {
  background: none;
  border: 1px solid rgba(52,211,153,.3);
  color: var(--accent-3);
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  cursor: pointer;
  transition: all .15s;
}
.btn-restore-all:hover { background: rgba(52,211,153,.1); }

.excluded-empty {
  padding: 12px;
  text-align: center;
  font-size: 11px;
  color: var(--text-dim);
  font-style: italic;
}

.excluded-list {
  max-height: 260px;
  overflow-y: auto;
  padding: 6px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.excluded-list::-webkit-scrollbar { width: 4px; }
.excluded-list::-webkit-scrollbar-thumb { background: rgba(248,113,113,.3); }

.excluded-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 8px;
  background: rgba(248,113,113,.06);
  border: 1px solid rgba(248,113,113,.15);
  border-radius: var(--radius-sm);
  transition: background .12s;
}
.excluded-item:hover { background: rgba(248,113,113,.12); }

.excluded-term {
  flex: 1;
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-decoration: line-through;
  text-decoration-color: rgba(248,113,113,.5);
}
.excluded-freq {
  font-size: 10px;
  color: var(--text-dim);
  background: var(--bg-hover);
  padding: 1px 5px;
  border-radius: 8px;
  flex-shrink: 0;
}
.btn-restore {
  background: none;
  border: 1px solid rgba(52,211,153,.3);
  color: var(--accent-3);
  font-size: 13px;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .12s;
  line-height: 1;
}
.btn-restore:hover { background: rgba(52,211,153,.15); border-color: var(--accent-3); }

.excluded-hint {
  padding: 8px 12px;
  font-size: 10px;
  color: var(--text-dim);
  border-top: 1px solid rgba(248,113,113,.1);
  line-height: 1.5;
}

/* ── Graphe de co-occurrence ────────────────────────────────────────── */
.graph-card {
  overflow: hidden;
  padding: 0;
}

.graph-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 12px 16px;
  background: rgba(255,255,255,.025);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.graph-controls-left {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.graph-controls-right {
  display: flex;
  gap: 6px;
  align-items: center;
}

.graph-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.graph-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100px;
  height: 4px;
  background: var(--border-light);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}
.graph-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: background .15s;
}
.graph-slider::-webkit-slider-thumb:hover { background: var(--accent-2); }

.graph-stats {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  padding: 8px 16px;
  font-size: 12px;
  color: var(--text-muted);
  background: rgba(255,255,255,.012);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.graph-stats strong { color: var(--text); }

.graph-tooltip-info {
  margin-left: auto;
  font-size: 11px;
  color: var(--accent);
  max-width: 500px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.graph-container {
  width: 100%;
  height: 560px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

#coocGraph {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}
#coocGraph:active { cursor: grabbing; }

.graph-legend {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  padding: 10px 16px;
  background: rgba(255,255,255,.012);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
}

.legend-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Panneau paramètres ForceAtlas2 ──────────────────────────────────── */
.graph-params-panel {
  background: rgba(15,17,23,.8);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px 12px;
  backdrop-filter: blur(6px);
}

.gp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 18px 24px;
}

.gp-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.gp-group-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--accent);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.gp-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
}

.gp-label .graph-slider { width: 100%; }

.gp-label span {
  align-self: flex-end;
  font-size: 10px;
  color: var(--text);
  min-width: 28px;
  text-align: right;
}

.gp-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  justify-content: flex-end;
}

/* ── Gestionnaire de projets ────────────────────────────────────────── */
.new-project-form {
  display: flex;
  gap: .75rem;
  align-items: center;
  flex-wrap: wrap;
}

.input-text {
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 8px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}
.input-text:focus { border-color: var(--accent); }
.input-sm { padding: 5px 9px; font-size: 13px; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  transition: border-color .2s, box-shadow .2s;
}
.project-card:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent)22;
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
}
.project-icon { font-size: 1.6rem; line-height: 1; }
.project-info { display: flex; flex-direction: column; gap: 2px; }
.project-name { font-size: 15px; font-weight: 600; color: var(--text); }
.project-meta { font-size: 12px; color: var(--text-muted); }

.project-files {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}
.file-chip {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 12px;
  color: var(--text-muted);
}
.chip-badge {
  background: var(--accent-3)22;
  color: var(--accent-3);
  border-radius: 10px;
  padding: 0 6px;
  font-size: 11px;
  font-weight: 600;
}
.chip-dup {
  background: var(--accent-4)22;
  color: var(--accent-4);
  border-radius: 10px;
  padding: 0 6px;
  font-size: 11px;
}

.project-actions {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
  margin-top: auto;
}
.rename-form {
  display: flex;
  gap: .4rem;
  align-items: center;
}

.btn-danger {
  background: var(--accent-5)22;
  color: var(--accent-5);
  border: 1px solid var(--accent-5)44;
}
.btn-danger:hover { background: var(--accent-5)44; }
.btn-accent {
  background: var(--accent-3)22;
  color: var(--accent-3);
  border: 1px solid var(--accent-3)44;
}

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}
.empty-icon { font-size: 3rem; margin-bottom: 1rem; }

.info-box {
  background: var(--accent)11;
  border: 1px solid var(--accent)33;
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}
.info-box strong { color: var(--accent); }

/* Badge de stats upload */
.upload-stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 600;
}
.stat-pill.added  { background: var(--accent-3)22; color: var(--accent-3); border: 1px solid var(--accent-3)44; }
.stat-pill.dup    { background: var(--accent-4)22; color: var(--accent-4); border: 1px solid var(--accent-4)44; }
.stat-pill.total  { background: var(--accent)22;   color: var(--accent);   border: 1px solid var(--accent)44; }

.hidden { display: none !important; }

/* ══════════════════════════════════════════════════════════════════════
   Nouvelle ergonomie — sidebar projet + navigation directe
   ══════════════════════════════════════════════════════════════════════ */

/* Sidebar : section projet courant */
.sidebar-project {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-project-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.sidebar-project-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-project-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}
.sidebar-project-link {
  display: inline-block;
  font-size: 11px;
  color: var(--accent);
  text-decoration: none;
  margin-top: 5px;
}
.sidebar-project-link:hover { text-decoration: underline; }

/* Nav sections (remplace steps-nav) */
.nav-section {
  padding: 10px 10px 4px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-dim);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-muted);
  font-size: 13px;
  transition: all .15s;
  cursor: pointer;
  margin: 1px 6px;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active {
  background: rgba(108,142,255,.12);
  color: var(--accent);
  font-weight: 600;
}
.nav-item.disabled { opacity: .3; pointer-events: none; }
.nav-item.nav-item-tool {
  opacity: .65;
  font-size: 12px;
}
.nav-item.nav-item-tool:hover { opacity: 1; }
.nav-item .nav-icon {
  width: 22px;
  text-align: center;
  font-size: 14px;
  flex-shrink: 0;
}
.nav-item .nav-badge {
  margin-left: auto;
  font-size: 11px;
  background: var(--border);
  color: var(--text-muted);
  border-radius: 10px;
  padding: 1px 7px;
}
.nav-item.active .nav-badge { background: var(--accent)22; color: var(--accent); }

/* ── Page Corpus ─────────────────────────────────────────────────────── */
.corpus-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
  align-items: start;
}

.corpus-table-wrap {
  overflow-x: auto;
  max-height: 70vh;
  overflow-y: auto;
  border-radius: var(--radius-sm);
}

.corpus-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}
.corpus-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-card);
}
.corpus-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.corpus-table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border)88;
  vertical-align: top;
  color: var(--text);
  max-width: 340px;
}
.corpus-table tr:hover td { background: var(--bg-hover); }
.corpus-table .td-num {
  color: var(--text-dim);
  width: 40px;
  font-size: 11px;
}
.corpus-table .td-title {
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 300px;
}
.corpus-table .td-abstract {
  color: var(--text-muted);
  font-size: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.corpus-table .td-tag {
  max-width: 180px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-muted);
  font-size: 11.5px;
}

/* Upload side panel */
.upload-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.upload-history-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px;
}
.upload-history-icon { font-size: 16px; flex-shrink: 0; }
.upload-history-info { flex: 1; min-width: 0; }
.upload-history-name {
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.upload-history-date { color: var(--text-muted); font-size: 11px; margin-top: 1px; }
.upload-history-stats { display: flex; gap: 5px; flex-wrap: wrap; margin-top: 3px; }

/* Drop zone compact */
.drop-zone-sm {
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-sm);
  padding: 24px 16px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
}
.drop-zone-sm:hover,
.drop-zone-sm.drag-over { border-color: var(--accent); background: rgba(108,142,255,.04); }
.drop-zone-sm.has-file  { border-color: var(--accent-3); }
.drop-zone-sm .drop-icon { font-size: 24px; margin-bottom: 8px; color: var(--text-muted); }
.drop-zone-sm .drop-title { font-size: 13px; font-weight: 600; margin-bottom: 3px; }
.drop-zone-sm .drop-sub   { color: var(--text-muted); font-size: 12px; }

/* Tabs nav */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab-btn {
  padding: 8px 18px;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all .15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

/* Colonnes — layout 2 colonnes */
.col-col { max-width: 100%; }

/* Corpus search bar */
.corpus-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.corpus-search {
  flex: 1;
  min-width: 200px;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 7px 12px;
  font-size: 13px;
  outline: none;
}
.corpus-search:focus { border-color: var(--accent); }
.corpus-count {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Onglets (TF-IDF / DocFreq) ─────────────────────────────────────── */
.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--border-light);
  padding: 0 16px;
  gap: 2px;
}
.tab-btn {
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color .15s, border-color .15s;
  font-family: inherit;
  margin-bottom: -1px;
}
.tab-btn:hover  { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ── Matrice de co-occurrence ────────────────────────────────────────── */
.cooc-matrix-wrap {
  overflow: auto;
  max-height: 620px;
  border-radius: var(--radius-sm);
}
.cooc-matrix {
  border-collapse: collapse;
  font-size: 11px;
  white-space: nowrap;
}
.cooc-corner { min-width: 110px; }
.cooc-col-label {
  position: sticky;
  top: 0;
  background: var(--bg-card);
  z-index: 2;
  padding: 4px 2px;
  text-align: center;
  vertical-align: bottom;
  min-width: 40px;
}
.cooc-col-label div {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  max-height: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 10px;
}
.cooc-row-label {
  position: sticky;
  left: 0;
  background: var(--bg-card);
  z-index: 1;
  padding: 4px 10px 4px 4px;
  text-align: right;
  font-weight: 500;
  color: var(--text-muted);
  font-size: 11px;
  max-width: 110px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-right: 1px solid var(--border);
}
.cooc-cell {
  width: 38px;
  height: 34px;
  text-align: center;
  vertical-align: middle;
  font-size: 10px;
  font-weight: 600;
  color: #fff;
  background: color-mix(in srgb, #6c8eff var(--intensity, 0%), var(--bg) 100%);
  border: 1px solid var(--border);
  transition: filter .1s;
  cursor: default;
}
.cooc-cell:hover { filter: brightness(1.3); }
.cooc-zero {
  background: var(--bg);
  color: transparent;
}

/* ── Matrice : toolbar & contrôles ──────────────────────────────────── */
.matrix-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-end;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}
.matrix-ctrl-group { display: flex; flex-direction: column; gap: 6px; }
.matrix-ctrl-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.matrix-btn-group { display: flex; gap: 4px; }
.mbtn {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  font-family: inherit;
  transition: all .15s;
}
.mbtn:hover  { border-color: var(--accent); color: var(--text); }
.mbtn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.matrix-slider {
  width: 120px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ── Légende dégradé ────────────────────────────────────────────────── */
.matrix-legend {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px 0;
  font-size: 11px;
  color: var(--text-muted);
}
.legend-bar {
  flex: 0 0 140px;
  height: 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
}
.legend-lo, .legend-hi { font-weight: 500; }

/* ── Cellule "both" (count + distance) ─────────────────────────────── */
.cooc-cell small {
  display: block;
  font-size: 8px;
  font-weight: 400;
  opacity: .8;
}

/* ── Hint clic terme ────────────────────────────────────────────────── */
.hint-click {
  font-size: 12px;
  color: var(--accent);
  opacity: .7;
  font-style: italic;
}

/* ── Ligne cliquable DocFreq ────────────────────────────────────────── */
.clickable-term { cursor: pointer; }
.clickable-term:hover td { background: var(--bg-hover); }
.clickable-term .term-arrow {
  color: var(--accent);
  opacity: 0;
  margin-left: 6px;
  font-size: 11px;
  transition: opacity .15s;
}
.clickable-term:hover .term-arrow { opacity: 1; }
.row-active td { background: color-mix(in srgb, var(--accent) 10%, var(--bg-card)) !important; }
.row-active .term-arrow { opacity: 1 !important; }

/* ── Drawer voisins ─────────────────────────────────────────────────── */
.neighbors-drawer {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  animation: slideDown .2s ease;
}
.neighbors-drawer.open { display: block; }
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.neighbors-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-hover);
}
.neighbors-header-left  { display: flex; align-items: center; gap: 10px; }
.neighbors-header-right { display: flex; align-items: center; gap: 12px; }
.neighbors-window-badge {
  font-size: 11px;
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 20px;
  padding: 2px 9px;
  font-weight: 500;
}
.neighbors-win-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}
.neighbors-title {
  font-size: 13px;
  color: var(--text-muted);
}
.neighbors-title strong { color: var(--accent); font-size: 14px; }
.neighbors-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  transition: background .15s;
}
.neighbors-close:hover { background: var(--border); color: var(--text); }
.neighbors-body { padding: 14px 16px; }

/* ── Liste des voisins ──────────────────────────────────────────────── */
.neighbors-list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.neighbor-item {
  display: grid;
  grid-template-columns: 20px 130px 1fr 70px;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}
.neighbor-rank {
  color: var(--text-muted);
  font-weight: 600;
  text-align: right;
  font-size: 11px;
}
.neighbor-term {
  color: var(--text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.neighbor-bar-wrap {
  background: var(--bg);
  border-radius: 3px;
  height: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.neighbor-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width .3s ease;
}
.neighbor-count {
  color: var(--text-muted);
  font-size: 11px;
  white-space: nowrap;
  text-align: right;
}
.neighbor-count small { opacity: .7; }

/* ── Stats page ──────────────────────────────────────────────────────── */
.stats-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 0;
}
@media (max-width: 900px) {
  .stats-two-col { grid-template-columns: 1fr; }
}

.chart-wrap {
  position: relative;
  width: 100%;
}
.chart-tall   { height: 340px; }
.chart-medium { height: 260px; }
/* hauteur pilotée par JS via style.height inline */
.chart-auto   { height: 340px; }

/* small text in top-cited table */
.data-table td.small { font-size: 12px; max-width: 220px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.data-table td.rank  { color: var(--text-muted); font-size: 12px; width: 28px; }

/* page subtitle */
.page-header .subtitle { color: var(--text-muted); margin-top: 4px; font-size: 14px; }

/* ── TopN control bar ────────────────────────────────────────────────── */
.topn-bar { margin-bottom: 20px; }
.topn-bar-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.topn-label  { color: var(--text-muted); font-size: 13px; }
.topn-hint   { color: var(--text-muted); font-size: 11px; opacity: .7; }
.topn-slider-global {
  width: 200px;
  accent-color: var(--accent);
  cursor: pointer;
}
#globalTopNVal {
  font-size: 18px;
  color: var(--accent);
  min-width: 32px;
  text-align: center;
}

/* Badge "N / total" dans les titres de section */
.topn-badge {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1px 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  vertical-align: middle;
  margin-left: 8px;
}

/* Badge source (publications / brevets) dans le page-header */
.source-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 20px;
  vertical-align: middle;
  margin-left: 10px;
  letter-spacing: .3px;
}
.source-pub {
  background: rgba(108, 142, 255, 0.15);
  color: var(--accent);
  border: 1px solid rgba(108, 142, 255, 0.4);
}
.source-patent {
  background: rgba(255, 185, 0, 0.12);
  color: #f5c842;
  border: 1px solid rgba(255, 185, 0, 0.35);
}
.source-mixed {
  background: rgba(74, 222, 128, 0.10);
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.35);
}

/* Section labels (séparateurs pub/patent dans corpus mixte) */
.stats-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  padding: 6px 0 6px 2px;
  margin-top: 6px;
}

/* Inline badges (n_pub / n_pat dans subtitle) */
.badge-inline {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 1px 8px;
  border-radius: 10px;
}
.badge-pub {
  background: rgba(108, 142, 255, 0.15);
  color: var(--accent);
}
.badge-patent {
  background: rgba(245, 200, 66, 0.15);
  color: #f5c842;
}

/* ── Detail Panel (volet lateral pour cliquer sur les graphiques) ────────── */
.detail-panel {
  position: fixed;
  top: 0;
  right: -400px;
  width: 400px;
  height: 100vh;
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: right 0.3s ease;
  z-index: 1000;
  box-shadow: -2px 0 8px rgba(0,0,0,0.3);
}

.detail-panel.open {
  right: 0;
}

.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.detail-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.detail-close {
  background: none;
  border: 1px solid rgba(108, 142, 255, 0.3);
  color: var(--accent);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.detail-close:hover {
  background: rgba(108, 142, 255, 0.1);
  border-color: var(--accent);
}

.detail-content {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.detail-content::-webkit-scrollbar {
  width: 6px;
}

.detail-content::-webkit-scrollbar-thumb {
  background: rgba(108, 142, 255, 0.3);
  border-radius: 3px;
}

.detail-content::-webkit-scrollbar-thumb:hover {
  background: rgba(108, 142, 255, 0.5);
}

.detail-empty {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  font-style: italic;
  padding: 20px;
}

.detail-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  transition: all 0.12s;
}

.detail-item:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
}

.detail-item-header {
  font-weight: 600;
  color: var(--accent);
  font-size: 13px;
  margin-bottom: 6px;
  word-break: break-word;
  line-height: 1.4;
}

.detail-item-meta {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-item-meta div {
  line-height: 1.4;
}

.detail-item-meta strong {
  color: var(--text-dim);
  font-weight: 600;
}

/* ── Mode Selector ──────────────────────────────────────────────────── */
.mode-selector {
  margin: 20px 0;
  padding: 15px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.mode-selector label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
  color: var(--accent);
}

.mode-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.mode-btn {
  padding: 10px 20px;
  background: var(--bg-hover);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text);
  cursor: pointer;
  font-weight: 500;
  transition: all 0.3s ease;
}

.mode-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--accent);
}

.mode-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

/* ── Mode Section ──────────────────────────────────────────────────── */
.mode-section {
  margin-top: 20px;
  padding: 15px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.mode-section h4 {
  margin-bottom: 10px;
  color: var(--accent);
}