{{define "layout"}}
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>{{.Title}}</title>
  <script src="https://unpkg.com/htmx.org@2.0.0" defer></script>
  <link rel="preconnect" href="https://fonts.googleapis.com">
  <link href="https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&family=Syne:wght@400;500;600;700&display=swap" rel="stylesheet">
  <style>
    :root {
      --bg: #f5f0e8;
      --surface: #faf7f2;
      --surface2: #f0ebe0;
      --border: #ddd5c4;
      --border2: #c9bfac;
      --text: #2c2520;
      --muted: #8a7d6b;
      --accent: #3d5a73;
      --accent2: #2a3f52;
      --green: #3a7d5e;
      --amber: #8a6a2e;
      --red: #b83232;
      --purple: #4f4a80;
      --mono: 'JetBrains Mono', monospace;
      --sans: 'Syne', sans-serif;
    }

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

    body {
      background-color: var(--bg);
      background-image:
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E"),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n2'%3E%3CfeTurbulence type='turbulence' baseFrequency='0.35' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n2)' opacity='0.025'/%3E%3C/svg%3E");
      color: var(--text);
      font-family: var(--sans);
      font-size: 14px;
      min-height: 100vh;
    }

    /* ── NAV ── */
    nav {
      border-bottom: 1px solid var(--border);
      padding: 0 32px;
      height: 52px;
      display: flex;
      align-items: center;
      gap: 32px;
      position: sticky;
      top: 0;
      background: rgba(245, 240, 232, 0.92);
      backdrop-filter: blur(12px);
      z-index: 100;
    }
    .nav-logo {
      font-weight: 700;
      font-size: 15px;
      color: var(--accent);
      letter-spacing: -0.02em;
    }
    .nav-links { display: flex; gap: 4px; }
    .nav-links a {
      color: var(--muted);
      text-decoration: none;
      font-size: 13px;
      padding: 5px 10px;
      border-radius: 6px;
      transition: all 150ms;
    }
    .nav-links a:hover { color: var(--text); background: var(--surface2); }
    .nav-links a.active { color: var(--text); }

    /* ── LAYOUT ── */
    .page { max-width: 1280px; margin: 0 auto; padding: 32px; }

    /* ── CARD ── */
    .card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 10px;
      overflow: hidden;
    }
    .card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 18px;
      border-bottom: 1px solid var(--border);
    }
    .card-title {
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--muted);
    }
    .card-action { font-size: 12px; color: var(--muted); cursor: pointer; transition: color 150ms; }
    .card-action:hover { color: var(--accent); }
    .card-body { padding: 18px; }

    /* ── BTN ── */
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 14px;
      border-radius: 7px;
      font-size: 12px;
      font-weight: 600;
      font-family: var(--sans);
      cursor: pointer;
      transition: all 150ms;
      border: none;
      text-decoration: none;
    }
    .btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
    .btn-ghost:hover { color: var(--text); border-color: var(--border2); background: var(--surface2); }
    .btn-danger { background: rgba(184,50,50,.08); color: var(--red); border: 1px solid rgba(184,50,50,.25); }
    .btn-danger:hover { background: rgba(184,50,50,.15); }
    .btn-amber { background: rgba(61,90,115,.1); color: var(--accent); border: 1px solid rgba(61,90,115,.3); }
    .btn-amber:hover { background: rgba(61,90,115,.2); }

    /* ── STAT GRID ── */
    .stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
    .stat-box {
      background: var(--surface2);
      border: 1px solid var(--border);
      border-radius: 7px;
      padding: 10px 12px;
      text-align: center;
    }
    .stat-val { font-size: 22px; font-weight: 700; font-family: var(--mono); line-height: 1; }
    .stat-lbl { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 4px; }
    .c-blue { color: var(--accent); }
    .c-green { color: var(--green); }
    .c-amber { color: var(--amber); }
    .c-purple { color: var(--purple); }

    /* ── INFO ROWS ── */
    .info-row { display: flex; justify-content: space-between; align-items: flex-start; padding: 9px 0; border-bottom: 1px solid var(--border); }
    .info-row:last-child { border-bottom: none; }
    .info-key { font-size: 12px; color: var(--muted); }
    .info-val { font-size: 12px; font-family: var(--mono); color: var(--text); text-align: right; max-width: 200px; word-break: break-all; }

    /* ── BADGE ── */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      padding: 3px 10px;
      border-radius: 20px;
      font-size: 11px;
      font-weight: 600;
      font-family: var(--mono);
      letter-spacing: 0.02em;
    }
    .badge-active { background: rgba(58,125,94,.1); color: var(--green); border: 1px solid rgba(58,125,94,.25); }
    .badge-interrupted { background: rgba(61,90,115,.1); color: var(--accent); border: 1px solid rgba(61,90,115,.25); }
    .badge-completed { background: rgba(138,125,107,.12); color: var(--muted); border: 1px solid var(--border); }
    .badge-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

    /* ── HTMX ── */
    .htmx-indicator { opacity: 0; transition: opacity 200ms; }
    .htmx-request .htmx-indicator { opacity: 1; }
    .htmx-request.htmx-indicator { opacity: 1; }
    @keyframes spin { to { transform: rotate(360deg); } }
    .spinner {
      width: 12px; height: 12px;
      border: 2px solid var(--border);
      border-top-color: var(--accent2);
      border-radius: 50%;
      animation: spin 600ms linear infinite;
      display: inline-block;
    }

    /* ── SESSION HEADER ── */
    .session-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 24px;
    }
    .session-label { font-size: 11px; font-family: var(--mono); color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }
    .session-id {
      font-family: var(--mono);
      font-size: 13px;
      color: var(--text);
      background: var(--surface);
      border: 1px solid var(--border);
      padding: 6px 10px;
      border-radius: 6px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .session-id-copy { cursor: pointer; color: var(--muted); font-size: 11px; transition: color 150ms; }
    .session-id-copy:hover { color: var(--accent); }
    .session-meta { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
    .meta-divider { width: 1px; height: 14px; background: var(--border); }
    .meta-item { font-size: 12px; color: var(--muted); font-family: var(--mono); }
    .meta-item strong { color: var(--text); font-weight: 500; }
    .header-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

    /* ── COMPACT PANEL ── */
    .compact-panel {
      border: 1px solid var(--border);
      border-radius: 10px;
      overflow: hidden;
      background: var(--surface);
    }
    .compact-header {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .compact-title-row { display: flex; align-items: center; gap: 10px; }
    .compact-icon {
      width: 28px;
      height: 28px;
      border-radius: 7px;
      background: rgba(124,92,255,.15);
      border: 1px solid rgba(124,92,255,.3);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
    }
    .compact-label { font-size: 13px; font-weight: 600; color: var(--text); }
    .compact-sublabel { font-size: 11px; color: var(--muted); margin-top: 1px; }

    .token-meter { padding: 16px 18px; border-bottom: 1px solid var(--border); }
    .token-meter-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
    .token-label { font-size: 11px; color: var(--muted); font-family: var(--mono); text-transform: uppercase; letter-spacing: 0.06em; }
    .token-value { font-size: 12px; font-family: var(--mono); }
    .token-value .current { color: var(--accent); font-weight: 600; }
    .token-value .max { color: var(--muted); }
    .meter-bar { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
    .meter-fill { height: 100%; border-radius: 2px; transition: width 600ms ease; }
    .meter-fill.warn { background: var(--amber); }
    .meter-fill.ok { background: var(--green); }
    .meter-fill.critical { background: var(--red); }
    .token-note { margin-top: 8px; font-size: 11px; color: var(--muted); font-family: var(--mono); }

    .compact-summary { padding: 14px 18px; border-bottom: 1px solid var(--border); }
    .summary-label { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
    .summary-label span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
    .summary-label .token-count { font-family: var(--mono); }
    .summary-text {
      font-family: var(--mono);
      font-size: 12px;
      line-height: 1.7;
      color: var(--text);
      background: var(--surface2);
      border: 1px solid var(--border);
      border-radius: 7px;
      padding: 12px 14px;
      white-space: pre-wrap;
      max-height: 180px;
      overflow-y: auto;
    }
    .summary-text::-webkit-scrollbar { width: 4px; }
    .summary-text::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

    .compact-actions { padding: 14px 18px; display: flex; flex-direction: column; gap: 8px; }
    .compact-actions .btn-row { display: flex; gap: 8px; }
    .compact-actions .btn { flex: 1; justify-content: center; }
    .compact-note { font-size: 11px; color: var(--muted); margin-top: 10px; text-align: center; font-family: var(--mono); }

    .confirm-box {
      margin: 0 18px 14px;
      padding: 14px;
      background: rgba(184,50,50,.06);
      border: 1px solid rgba(184,50,50,.18);
      border-radius: 8px;
      display: none;
    }
    .confirm-box.visible { display: block; }
    .confirm-box p { font-size: 12px; color: var(--text); margin-bottom: 12px; line-height: 1.6; }
    .confirm-box p strong { color: var(--red); }
    .confirm-actions { display: flex; gap: 8px; }

    /* ── EVENT LIST ── */
    .event-row {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 12px 18px;
      border-bottom: 1px solid var(--border);
      transition: background 100ms;
    }
    .event-row:last-child { border-bottom: none; }
    .event-row:hover { background: var(--surface2); }
    .event-type-pill {
      flex-shrink: 0;
      font-family: var(--mono);
      font-size: 10px;
      font-weight: 600;
      padding: 2px 7px;
      border-radius: 4px;
      margin-top: 2px;
      letter-spacing: 0.04em;
    }
    .pill-record { background: rgba(61,90,115,.12); color: var(--accent); }
    .pill-log { background: rgba(58,125,94,.1); color: var(--green); }
    .pill-flag { background: rgba(61,90,115,.1); color: var(--accent); }
    .pill-task { background: rgba(107,79,160,.1); color: var(--purple); }
    .event-content { flex: 1; min-width: 0; }
    .event-text { font-size: 13px; color: var(--text); line-height: 1.5; }
    .event-footer { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
    .event-time { font-size: 11px; color: var(--muted); font-family: var(--mono); }
    .conf-chip { font-size: 10px; font-family: var(--mono); padding: 1px 6px; border-radius: 3px; background: rgba(61,90,115,.1); color: var(--accent); }
    .task-status-chip { font-size: 10px; font-family: var(--mono); padding: 1px 6px; border-radius: 3px; }
    .chip-todo { background: rgba(138,125,107,.12); color: var(--muted); }
    .chip-in_progress { background: rgba(61,90,115,.12); color: var(--accent); }
    .chip-done { background: rgba(58,125,94,.1); color: var(--green); }
    .chip-blocked { background: rgba(184,50,50,.1); color: var(--red); }
    .event-flag-reviewed { font-size: 10px; font-family: var(--mono); color: var(--green); display: flex; align-items: center; gap: 4px; }
    .event-actions { flex-shrink: 0; opacity: 0; transition: opacity 150ms; }
    .event-row:hover .event-actions { opacity: 1; }
    .icon-btn { background: none; border: none; color: var(--muted); cursor: pointer; padding: 3px; border-radius: 4px; transition: all 150ms; font-size: 13px; }
    .icon-btn:hover { background: var(--surface2); color: var(--text); }

    /* ── CHECKPOINT LIST ── */
    .checkpoint-row { padding: 12px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: flex-start; gap: 12px; }
    .checkpoint-row:last-child { border-bottom: none; }
    .seq-badge {
      flex-shrink: 0;
      width: 28px; height: 28px;
      border-radius: 6px;
      background: var(--surface2);
      border: 1px solid var(--border);
      display: flex; align-items: center; justify-content: center;
      font-family: var(--mono);
      font-size: 11px; font-weight: 600;
      color: var(--muted);
    }
    .cp-body { flex: 1; }
    .cp-task { font-size: 13px; color: var(--text); }
    .cp-task-none { font-size: 13px; color: var(--muted); font-style: italic; }
    .cp-meta { display: flex; gap: 12px; margin-top: 4px; }
    .cp-meta-item { font-size: 11px; color: var(--muted); font-family: var(--mono); }
    .cp-meta-item strong { color: var(--text); font-weight: 500; }
    .cp-threads { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 4px; }
    .thread-tag { font-size: 10px; font-family: var(--mono); padding: 1px 7px; border-radius: 4px; background: rgba(61,90,115,.1); color: var(--accent); border: 1px solid rgba(61,90,115,.2); }

    /* ── TABS ── */
    .tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); padding: 0 18px; }
    .tab { padding: 10px 14px; font-size: 12px; font-weight: 500; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; transition: all 150ms; margin-bottom: -1px; background: none; border-top: none; border-left: none; border-right: none; }
    .tab:hover { color: var(--text); }
    .tab.active { color: var(--text); border-bottom-color: var(--accent); }

    /* ── EMPTY STATE ── */
    .empty-state { padding: 32px 18px; text-align: center; color: var(--muted); font-size: 13px; }

    /* ── DISMISS BANNER ── */
    .dismiss-banner {
      background: rgba(61,90,115,.07);
      border: 1px solid rgba(61,90,115,.22);
      border-radius: 8px;
      padding: 12px 16px;
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 12px;
      color: var(--accent);
      margin-bottom: 24px;
    }
    .dismiss-banner .dismiss-icon { font-size: 15px; flex-shrink: 0; }
    .dismiss-banner p { flex: 1; line-height: 1.5; }
    .dismiss-banner strong { font-weight: 600; }

    /* ── LOAD MORE ── */
    .load-more { padding: 12px 18px; border-top: 1px solid var(--border); }
    .load-more .btn { width: 100%; justify-content: center; font-size: 12px; }

    /* ── NAV RIGHT ── */
    .nav-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
    .dot-live { width: 6px; height: 6px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; }
    @keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }
    .nav-right span { font-size: 12px; color: var(--muted); font-family: var(--mono); }

    /* ── GRID LAYOUTS ── */
    .page-with-sidebar { display: grid; grid-template-columns: 1fr 340px; gap: 24px; align-items: start; }
    .main-col { display: flex; flex-direction: column; gap: 20px; }
    .sidebar { display: flex; flex-direction: column; gap: 16px; }

    /* ── FOOTER META ── */
    .page-footer { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); text-align: center; font-size: 11px; color: var(--muted); font-family: var(--mono); }

    @keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
    .htmx-added { animation: fadeIn 200ms ease; }
  </style>
</head>
<body>
  <nav>
    <span class="nav-logo">Lethe</span>
    <div class="nav-links">
      <a href="/ui/dashboard" {{if eq .CurrentRoute "dashboard"}}class="active"{{end}}>Dashboard</a>
      <a href="/ui/sessions" {{if eq .CurrentRoute "sessions"}}class="active"{{end}}>Sessions</a>
      <a href="/ui/threads" {{if eq .CurrentRoute "threads"}}class="active"{{end}}>Threads</a>
      <a href="/ui/live" {{if eq .CurrentRoute "live"}}class="active"{{end}}>Live</a>
    </div>
    <div class="nav-right">
      <div class="dot-live"></div>
      <span>SSE</span>
    </div>
  </nav>

  <div class="{{.Layout}} page">
    {{.Content}}
  </div>

  <script>
    async function copyToClipboard(text) {
      let success = false;
      try {
        await navigator.clipboard.writeText(text);
        success = true;
      } catch {
        const el = document.createElement('textarea');
        el.value = text;
        el.style.cssText = 'position:fixed;top:0;left:0;opacity:0;';
        document.body.appendChild(el);
        el.select();
        try { success = document.execCommand('copy'); } catch { success = false; }
        document.body.removeChild(el);
      }
      return success;
    }
    function showCopiedFeedback(el) {
      if (!el) return;
      const orig = el.textContent;
      el.textContent = '✓ Copied';
      el.style.color = 'var(--green)';
      setTimeout(() => { el.textContent = orig; el.style.color = ''; }, 1500);
    }
    function switchTab(btn, showId, hideId) {
      document.querySelectorAll('.tab').forEach(t => t.classList.remove('active'));
      btn.classList.add('active');
      document.getElementById(showId).style.display = '';
      document.getElementById(hideId).style.display = 'none';
    }
    function showConfirm() { document.getElementById('confirm-box').classList.add('visible'); }
    function hideConfirm() { document.getElementById('confirm-box').classList.remove('visible'); }
  </script>
</body>
</html>
{{end}}
