/* ═══════════════════════════════════════════════════════════
   Ledger Dashboard — Three-Panel Layout
   ═══════════════════════════════════════════════════════════ */

/* ── Variables ─────────────────────────────────────────── */
:root {
  --bg: #0f1117;
  --surface: #161822;
  --card: #1c1f2e;
  --input: #232636;
  --text: #e2e4ea;
  --text2: #8b8fa3;
  --text3: #565a6e;
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.15);
  --accent: #c8953c;
  --accent-dim: rgba(200,149,60,0.12);
  --green: #4caf50;
  --green-dim: rgba(76,175,80,0.12);
  --red: #e53e3e;
  --red-dim: rgba(229,62,62,0.12);
  --blue: #3b82f6;
  --blue-dim: rgba(59,130,246,0.12);
  --amber: #d4953c;
  --amber-dim: rgba(212,149,60,0.12);
  --mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
input, select, textarea, button { font-family: inherit; font-size: inherit; color: inherit; }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── Grid Shell ────────────────────────────────────────── */
.shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  grid-template-rows: 48px minmax(0, 1fr);
  height: 100vh;
  width: 100vw;
}

/* ══════════════════════════════════════════════════════════
   TOP BAR
   ══════════════════════════════════════════════════════════ */
.topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  padding: 0 16px;
  background: var(--surface);
  border-bottom: 0.5px solid var(--border);
  z-index: 100;
  gap: 12px;
}
.topbar-left { display: flex; align-items: center; gap: 12px; min-width: 0; }
.topbar-logo {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1px;
  flex-shrink: 0;
}
.topbar-run-id {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar-legal {
  font-size: 11px;
  color: var(--text3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar-right { display: flex; align-items: center; gap: 14px; margin-left: auto; flex-shrink: 0; }
.topbar-status { display: flex; align-items: center; gap: 8px; }
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text3);
  flex-shrink: 0;
}
.status-dot.running { background: var(--green); animation: pulse 2s infinite; }
.status-dot.done { background: var(--accent); }
.status-text { font-size: 12px; color: var(--text2); }
.status-elapsed { font-family: var(--mono); font-size: 11px; color: var(--text3); }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }

/* Top bar buttons */
.topbar-controls { display: flex; gap: 6px; }
.tb-btn {
  padding: 5px 12px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text2);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s var(--ease);
  white-space: nowrap;
}
.tb-btn:hover:not(:disabled) { border-color: var(--border-hover); color: var(--text); }
.tb-btn:disabled { opacity: 0.35; cursor: default; }
.tb-btn.tb-accent { border-color: var(--accent); color: var(--accent); }
.tb-btn.tb-accent:hover:not(:disabled) { background: var(--accent-dim); }
.tb-btn.tb-amber { border-color: var(--amber); color: var(--amber); }
.tb-btn.tb-amber:hover:not(:disabled) { background: var(--amber-dim); }
.tb-btn.tb-red { border-color: var(--red); color: var(--red); }
.tb-btn.tb-red:hover:not(:disabled) { background: var(--red-dim); }
.tb-btn.tb-muted { border-color: transparent; color: var(--text3); }
.tb-btn.tb-muted:hover:not(:disabled) { color: var(--text2); border-color: var(--border); }

/* ══════════════════════════════════════════════════════════
   SIDEBAR
   ══════════════════════════════════════════════════════════ */
.sidebar {
  background: var(--surface);
  border-right: 0.5px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 0;
}
.sb-section {
  padding: 14px 14px 10px;
  border-bottom: 0.5px solid var(--border);
}
.sb-section-grow { flex: 1; min-height: 0; display: flex; flex-direction: column; border-bottom: none; }
.sb-label {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text3);
  margin-bottom: 10px;
}
.sb-sub-label { font-size: 10px; color: var(--text3); margin-top: -8px; margin-bottom: 6px; }

/* Pipeline */
.pipeline { display: flex; flex-direction: column; gap: 2px; }
.pipe-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 6px;
  transition: background 0.2s var(--ease);
}
.pipe-row.active { background: var(--accent-dim); }
.pipe-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--text3);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px;
  flex-shrink: 0;
  transition: all 0.2s var(--ease);
}
.pipe-row.complete .pipe-icon {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}
.pipe-row.complete .pipe-icon::after { content: '\2713'; }
.pipe-row.active .pipe-icon {
  border-color: var(--accent);
  background: var(--accent);
}
.pipe-row.active .pipe-icon::after { content: ''; }
.pipe-name { font-size: 12px; color: var(--text2); }
.pipe-row.active .pipe-name { color: var(--text); font-weight: 500; }
.pipe-row.complete .pipe-name { color: var(--text2); }
.pipe-count { margin-left: auto; font-family: var(--mono); font-size: 10px; color: var(--text3); }

/* Stats */
.stats-grid-sb { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.stat-sb {
  background: var(--card);
  border-radius: 8px;
  padding: 8px 10px;
}
.stat-sb-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text3); }
.stat-sb-val { font-size: 16px; font-weight: 500; margin-top: 2px; }
.stat-sb-sub { font-size: 10px; color: var(--text3); margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Search Queue */
.queue-filter {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}
.queue-filter input,
.queue-filter select {
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 10px;
  color: var(--text);
}
.queue-filter input { flex: 1; min-width: 0; }
.queue-filter select { width: 50px; }
.queue-list {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}
.queue-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 4px;
  font-size: 11px;
  transition: background 0.1s;
}
.queue-row:hover { background: rgba(255,255,255,0.03); }
.queue-badge {
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 500;
  flex-shrink: 0;
}
.queue-badge-gr { background: var(--blue-dim); color: var(--blue); }
.queue-badge-ge { background: var(--green-dim); color: var(--green); }
.queue-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text2); }
.queue-status { font-size: 10px; flex-shrink: 0; }
.queue-status-done { color: var(--green); }
.queue-status-queued { color: var(--accent); }
.queue-status-skip { color: var(--text3); }
.queue-status-seen { color: var(--text3); font-style: italic; }
.queue-skip-btn {
  background: none; border: none; color: var(--text3); font-size: 9px;
  cursor: pointer; padding: 1px 4px; border-radius: 3px;
}
.queue-skip-btn:hover { background: var(--red-dim); color: var(--red); }
.queue-empty { color: var(--text3); font-size: 11px; padding: 8px; text-align: center; }

/* Sidebar tools */
.sb-tools {
  padding: 10px 14px;
  display: flex;
  gap: 6px;
  border-top: 0.5px solid var(--border);
}
.sb-tool-btn {
  flex: 1;
  padding: 6px 0;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text3);
  font-size: 10px;
  cursor: pointer;
  transition: all 0.15s;
}
.sb-tool-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ══════════════════════════════════════════════════════════
   MAIN AREA
   ══════════════════════════════════════════════════════════ */
.main-area {
  background: var(--bg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Empty state */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.empty-icon { font-size: 32px; color: var(--text3); opacity: 0.4; }
.empty-title { font-size: 16px; font-weight: 500; color: var(--text2); }
.empty-sub { font-size: 12px; color: var(--text3); }
.empty-sub strong { color: var(--accent); }

/* Chain tabs */
.chain-tabs {
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 0.5px solid var(--border);
  flex-shrink: 0;
  height: 36px;
}
.chain-tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text3);
  font-size: 12px;
  font-weight: 500;
  padding: 8px 14px;
  cursor: pointer;
  transition: all 0.15s;
}
.chain-tab:hover { color: var(--text2); }
.chain-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.chain-tab-spacer { flex: 1; }
.chain-refresh {
  background: none; border: none; color: var(--text3); font-size: 14px;
  cursor: pointer; padding: 4px 8px;
}
.chain-refresh:hover { color: var(--text); }

/* Chain + Detail split */
.chain-split {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 0;
  transition: grid-template-columns 0.2s var(--ease);
}
.chain-split.has-detail { grid-template-columns: minmax(0, 1fr) 320px; }

/* Chain list */
.chain-list {
  overflow-y: auto;
  padding: 8px 12px;
}
.chain-empty { color: var(--text3); font-size: 12px; padding: 24px; text-align: center; }

/* Chain entry cards */
.chain-card {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 4px;
  cursor: pointer;
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease);
  overflow: hidden;
}
.chain-card:hover { border-color: var(--border-hover); background: rgba(255,255,255,0.02); }
.chain-card:hover .chain-card-id { text-decoration: underline; }
.chain-card.selected { border-color: var(--accent); background: var(--accent-dim); }

/* Relevance strip */
.chain-strip {
  width: 4px;
  flex-shrink: 0;
}
.chain-strip.strip-relevant { background: var(--green); }
.chain-strip.strip-not-relevant { background: var(--text3); opacity: 0.3; }
.chain-strip.strip-illegible { background: var(--amber); }
.chain-strip.strip-error { background: var(--red); }
.chain-strip.strip-unknown { background: var(--text3); opacity: 0.2; }

/* Card body */
.chain-card-body {
  flex: 1;
  padding: 8px 10px;
  min-width: 0;
}
.chain-card-top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 3px;
}
.chain-card-id { font-family: var(--mono); font-size: 12px; font-weight: 500; color: var(--accent); }
.chain-card-type {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 3px;
  background: var(--card);
  color: var(--text2);
  white-space: nowrap;
}
.chain-card-date { margin-left: auto; font-size: 11px; color: var(--text3); white-space: nowrap; }

.chain-card-parties {
  font-size: 11px;
  color: var(--text2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chain-card-arrow { color: var(--accent); margin: 0 4px; }

.chain-card-summary {
  font-size: 11px;
  color: var(--text3);
  margin-top: 3px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}

/* Discovery tree indentation */
.chain-card.depth-1 { margin-left: 16px; }
.chain-card.depth-2 { margin-left: 32px; }
.chain-card.depth-3 { margin-left: 48px; }
.chain-card.depth-4 { margin-left: 64px; }
.chain-card.depth-5 { margin-left: 80px; }

/* Tree expand toggle */
.chain-card-expand {
  display: inline-flex;
  width: 14px;
  justify-content: center;
  font-size: 8px;
  color: var(--text3);
  cursor: pointer;
  transition: transform 0.15s;
  flex-shrink: 0;
}
.chain-card-expand.expanded { transform: rotate(90deg); }
.tree-children.collapsed { display: none; }

/* ══════════════════════════════════════════════════════════
   DETAIL PANEL
   ══════════════════════════════════════════════════════════ */
.detail-panel {
  background: var(--surface);
  border-left: 0.5px solid var(--border);
  overflow-y: auto;
  padding: 16px;
  position: relative;
}
.detail-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  color: var(--text3);
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
}
.detail-close:hover { color: var(--text); }
.detail-header {
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 16px;
  padding-right: 24px;
}
.detail-field { margin-bottom: 12px; }
.detail-field-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text3);
  margin-bottom: 2px;
}
.detail-field-value {
  font-size: 12px;
  line-height: 1.5;
  color: var(--text);
  word-break: break-word;
}
.detail-field-value.mono { font-family: var(--mono); }

/* ══════════════════════════════════════════════════════════
   LOG BAR
   ══════════════════════════════════════════════════════════ */
.logbar {
  flex-shrink: 0;
  border-top: 0.5px solid var(--border);
  background: var(--surface);
}
.logbar-summary {
  display: flex;
  align-items: center;
  height: 28px;
  padding: 0 12px;
  gap: 8px;
  cursor: pointer;
}
.logbar-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text3);
  flex-shrink: 0;
}
.logbar-dot.running { background: var(--green); animation: pulse 2s infinite; }
.logbar-latest {
  flex: 1;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.logbar-controls { display: flex; gap: 6px; align-items: center; flex-shrink: 0; }
.logbar-filter { font-size: 9px; color: var(--text3); display: flex; align-items: center; gap: 2px; cursor: pointer; }
.logbar-filter input { width: 12px; height: 12px; cursor: pointer; }
.logbar-toggle {
  background: none; border: none; color: var(--text3); font-size: 10px;
  cursor: pointer; padding: 2px 6px;
}
.logbar-toggle:hover { color: var(--text); }
.logbar-terminal {
  height: 200px;
  overflow-y: auto;
  transition: height 0.15s var(--ease);
}
.logbar-terminal.collapsed { height: 0; overflow: hidden; }
.log-container { padding: 4px 12px; }
.log-line {
  font-family: var(--mono);
  font-size: 10px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-all;
}
.log-info { color: var(--text2); }
.log-warning { color: var(--amber); }
.log-error { color: var(--red); }
.log-debug { color: var(--text3); }
.log-ts { color: var(--text3); }
.log-level-tag { font-weight: 500; }

/* ══════════════════════════════════════════════════════════
   MODALS
   ══════════════════════════════════════════════════════════ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 520px;
  max-width: 95vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.modal-wide { width: 720px; }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 12px;
  border-bottom: 0.5px solid var(--border);
}
.modal-header h2 { font-size: 15px; font-weight: 500; }
.modal-close {
  background: none; border: none; color: var(--text3); font-size: 20px;
  cursor: pointer; line-height: 1;
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 16px 20px 20px; }
.modal-desc { font-size: 12px; color: var(--text3); margin-bottom: 14px; line-height: 1.5; }
.modal-desc code {
  background: var(--accent-dim);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 11px;
  color: var(--accent);
}

/* ── Forms (shared) ────────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text3); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--input);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 7px 10px;
  color: var(--text);
  font-size: 12px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--accent); }
.form-group textarea { font-family: var(--mono); resize: vertical; }
.form-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.form-msg { font-size: 11px; }
.form-msg.ok { color: var(--green); }
.form-msg.err { color: var(--red); }

/* PDF tabs */
.pdf-tabs { display: flex; gap: 0; border-bottom: 0.5px solid var(--border); margin-bottom: 12px; }
.pdf-tab {
  background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--text3); font-size: 12px; padding: 6px 14px; cursor: pointer;
}
.pdf-tab:hover { color: var(--text2); }
.pdf-tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* PDF progress */
.pdf-progress { margin-top: 12px; }
.pdf-progress-bar { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.pdf-progress-fill { height: 100%; width: 0%; background: var(--accent); border-radius: 3px; transition: width 0.4s; }
.pdf-progress-text { font-size: 11px; color: var(--text3); text-align: center; margin-top: 4px; }

/* Analysis result */
.analysis-result {
  margin-top: 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  max-height: 400px;
  overflow-y: auto;
}
.analysis-content { font-size: 12px; line-height: 1.7; color: var(--text); }
.analysis-content h2 { color: var(--accent); font-size: 16px; margin: 20px 0 6px; border-bottom: 0.5px solid var(--border); padding-bottom: 4px; }
.analysis-content h2:first-child { margin-top: 0; }
.analysis-content h3 { color: var(--text); font-size: 14px; margin: 14px 0 4px; }
.analysis-content strong { color: var(--accent); }
.analysis-content li { margin-left: 18px; margin-bottom: 3px; list-style: disc; }

/* ══════════════════════════════════════════════════════════
   TOAST
   ══════════════════════════════════════════════════════════ */
.toast-container {
  position: fixed;
  top: 56px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.toast {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 12px;
  color: var(--text);
  animation: toastIn 0.2s var(--ease);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}
.toast-success { border-left: 3px solid var(--green); }
.toast-error { border-left: 3px solid var(--red); }
.toast-info { border-left: 3px solid var(--accent); }
.toast-out { animation: toastOut 0.3s var(--ease) forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: none; } }
@keyframes toastOut { to { opacity: 0; transform: translateX(20px); } }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */

/* Hamburger button — hidden on desktop, prominent on mobile */
.tb-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-size: 22px;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  flex-shrink: 0;
  transition: background .15s var(--ease), border-color .15s var(--ease);
}
.tb-hamburger:hover { background: var(--input); border-color: var(--accent); }
.tb-hamburger:active { background: var(--accent-dim); }

/* ── Tablet (≤ 1024px) ─────────────────────────────────── */
@media (max-width: 1024px) {
  .chain-split.has-detail { grid-template-columns: minmax(0, 1fr) 280px; }
  .topbar-legal { display: none; }
}

/* ── Mobile (≤ 768px) ──────────────────────────────────── */
@media (max-width: 768px) {
  /* Grid: single column, topbar fixed at top */
  .shell {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh; /* dynamic viewport height for mobile browsers */
  }

  .topbar {
    position: sticky;
    top: 0;
    z-index: 600;
    flex-shrink: 0;
    padding: 0 8px;
    gap: 6px;
    overflow-x: auto;
  }

  .main-area {
    flex: 1;
    min-height: 0; /* allow flex child to shrink and scroll */
    overflow: hidden;
  }

  /* Sidebar: off-canvas overlay */
  .sidebar {
    position: fixed;
    top: 48px;
    left: 0;
    bottom: 0;
    width: 280px;
    z-index: 500;
    transform: translateX(-100%);
    transition: transform 0.25s var(--ease);
    box-shadow: none;
  }
  .sidebar.sb-open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0,0,0,0.4);
  }

  /* Show hamburger — first element, always visible */
  .tb-hamburger { display: inline-flex; }

  /* Topbar: compact, hamburger + logo left, controls right */
  .topbar-left { display: flex; flex-shrink: 1; min-width: 0; }
  .topbar-left .topbar-run-id,
  .topbar-left .topbar-legal { display: none; }
  .topbar-right { margin-left: auto; flex-shrink: 0; }
  .topbar-status { min-width: 0; }
  .status-text { max-width: 60px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .status-elapsed { font-size: 10px; }
  .topbar-controls { gap: 3px; flex-shrink: 0; }
  .tb-btn { padding: 4px 7px; font-size: 10px; white-space: nowrap; }

  /* Detail panel: full-width overlay */
  .chain-split.has-detail {
    grid-template-columns: 1fr;
  }
  .chain-split.has-detail .chain-list {
    display: none;
  }
  .detail-panel {
    border-left: none;
    border-top: 0.5px solid var(--border);
  }

  /* Chain cards: tighter padding */
  .chain-card-body { padding: 6px 8px; }
  .chain-card-summary { -webkit-line-clamp: 1; }

  /* Logbar terminal: shorter on mobile */
  .logbar-terminal { height: 150px; }

  /* Stats grid: single column */
  .stats-grid-sb { grid-template-columns: 1fr 1fr; gap: 4px; }
  .stat-sb { padding: 6px 8px; }

  /* Modals: full width */
  .modal { width: 95vw; max-height: 90vh; }
  .modal-wide { width: 95vw; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: span 1; }

  /* Toast: narrower */
  .toast-container { right: 8px; left: 8px; }
  .toast { font-size: 11px; }
}

/* ── Small phone (≤ 480px) ─────────────────────────────── */
@media (max-width: 480px) {
  /* Hide non-essential topbar buttons */
  .tb-btn#btn-clear { display: none; }
  .tb-btn#btn-kill { display: none; }

  /* Abbreviate button text via content replacement */
  .tb-btn#btn-stop { font-size: 0; }
  .tb-btn#btn-stop::after { content: 'Stop'; font-size: 10px; }

  /* Tighter chain tabs */
  .chain-tabs { padding: 0 8px; }
  .chain-tab { padding: 6px 10px; font-size: 11px; }

  /* Sidebar narrower */
  .sidebar { width: 240px; }

  /* Even tighter topbar */
  .tb-btn { padding: 4px 6px; }
}

/* ── Resume Modal Run Cards ─────────────────────────────── */

.run-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .75rem 1rem;
  margin-bottom: .5rem;
  transition: border-color .15s var(--ease);
}
.run-card:hover { border-color: var(--border-hover); }
.run-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: .25rem;
}
.run-card-seed {
  font-family: var(--mono);
  font-size: .85rem;
  font-weight: 600;
  color: var(--accent);
}
.run-card-status {
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  padding: 2px 8px;
  border-radius: 3px;
}
.run-active .run-card-status { background: var(--amber-dim); color: var(--amber); }
.run-complete .run-card-status { background: var(--green-dim); color: var(--green); }
.run-card-legal {
  font-size: .78rem;
  color: var(--text2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: .35rem;
}
.run-card-stats {
  font-size: .72rem;
  color: var(--text3);
  margin-bottom: .5rem;
}
.run-card-actions { display: flex; gap: .5rem; }
.resume-section { margin-bottom: 1rem; }