:root {
  --accent: #cc785c;
  --accent-soft: #e8a48f;
  --accent-tint: rgba(204, 120, 92, 0.10);
  --accent-deep: #a85c44;

  --bg: #f5f4ef;
  --bg-elev: #ffffff;
  --bg-sunk: #ece9e1;
  --border: #d9d4c7;
  --border-soft: #e6e2d6;

  --ink: #1a1a1a;
  --ink-muted: #6b6657;
  --ink-faint: #94907f;

  --sage: #4a7c59;
  --mustard: #c89b3c;
  --terra: #b85c4a;
  --steel: #7a9bb8;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, Menlo, monospace;
  --font-serif: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
}

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

/* Make hidden authoritative on the top-level page containers — author rules
   like `.app { display: flex }` would otherwise win the cascade against the
   UA `[hidden] { display: none }` rule. */
.landing[hidden], .app[hidden], .error-panel[hidden] { display: none !important; }
body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
code, kbd, pre { font-family: var(--font-mono); }
.serif { font-family: var(--font-serif); font-style: italic; color: var(--accent-deep); font-weight: 400; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 32px; }

/* ─────── Landing ─────── */
.landing { background-image: radial-gradient(circle at 1px 1px, rgba(0,0,0,0.045) 1px, transparent 0); background-size: 28px 28px; background-attachment: fixed; min-height: 100vh; }
.l-topbar { position: sticky; top: 0; z-index: 30; background: rgba(245,244,239,0.85); backdrop-filter: blur(8px); border-bottom: 1px solid var(--border); }
.l-topbar .wrap { display: flex; align-items: center; height: 56px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; text-decoration: none; color: var(--ink); }
.brand-mark { width: 26px; height: 26px; }
.ver-pill { font-family: var(--font-mono); font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--accent-tint); color: var(--accent-deep); border: 1px solid rgba(204,120,92,0.25); }

.hero { padding: 80px 0 64px; }
.hero h1 { font-size: clamp(36px, 5vw, 60px); line-height: 1.04; letter-spacing: -0.025em; font-weight: 600; margin: 0 0 24px; max-width: 22ch; }
.hero .lede { font-size: 18px; color: var(--ink-muted); max-width: 60ch; line-height: 1.55; margin: 0 0 32px; }
.hero .lede code { background: var(--bg-sunk); border: 1px solid var(--border-soft); padding: 1px 6px; border-radius: 4px; font-size: 0.86em; color: var(--ink); }
.hero .lede a { color: var(--accent-deep); }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; font-size: 14px; font-weight: 500; border-radius: 999px; text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: transform 80ms ease; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-deep); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-sunk); }

.url-grammar { margin-top: 16px; padding: 14px 18px; background: var(--bg-elev); border: 1px solid var(--border-soft); border-radius: 10px; font-size: 13.5px; color: var(--ink-muted); line-height: 1.55; max-width: 64ch; }
.url-grammar strong { color: var(--ink); }
.url-grammar code { background: var(--bg-sunk); padding: 1px 5px; border-radius: 3px; font-size: 0.85em; }

.features { padding: 24px 0 80px; }
.features .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.feature { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; }
.feature h3 { margin: 0 0 6px; font-size: 16px; }
.feature p { margin: 0; font-size: 14px; color: var(--ink-muted); line-height: 1.5; }
.feature p code { background: var(--bg-sunk); padding: 1px 5px; border-radius: 3px; font-size: 0.85em; }
.feature p a { color: var(--accent-deep); }

.foot { border-top: 1px solid var(--border); padding: 32px 0; }
.foot .wrap { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--ink-faint); font-family: var(--font-mono); }
.foot a { color: var(--ink-muted); text-decoration: none; }
.foot a:hover { color: var(--accent-deep); }

@media (max-width: 720px) {
  .features .wrap { grid-template-columns: 1fr; }
}

/* ─────── App (replay) ─────── */
.app { display: flex; flex-direction: column; min-height: 100vh; }
.topbar { display: flex; align-items: center; gap: 18px; padding: 0 24px; height: 52px; border-bottom: 1px solid var(--border); background: var(--bg-elev); position: sticky; top: 0; z-index: 30; }
.topbar .brand { font-size: 14px; }
.tabs { display: flex; gap: 4px; margin-left: 8px; }
.tab { padding: 6px 14px; font-size: 13px; font-family: var(--font-sans); background: transparent; border: 1px solid transparent; border-radius: 6px; cursor: pointer; color: var(--ink-muted); }
.tab:hover { background: var(--bg-sunk); color: var(--ink); }
.tab.active { background: var(--accent-tint); color: var(--accent-deep); border-color: rgba(204,120,92,0.25); font-weight: 600; }
.meta-strip { margin-left: auto; font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint); display: flex; gap: 16px; align-items: center; }
.meta-strip .label { color: var(--ink); font-weight: 600; }
.meta-strip .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--sage); }

main { flex: 1; padding: 24px; overflow: auto; }
.view { max-width: 1280px; margin: 0 auto; }

/* ─────── Timeline view ─────── */
.tl-list { list-style: none; padding: 0; margin: 0; }
.tl-msg { display: grid; grid-template-columns: 110px 24px 110px 1fr; gap: 12px; align-items: baseline; padding: 8px 12px; border-bottom: 1px solid var(--border-soft); cursor: pointer; }
.tl-msg:hover { background: var(--bg-elev); }
.tl-msg.expanded { background: var(--bg-elev); }
.tl-msg.error { background: rgba(184, 92, 74, 0.05); }
.tl-msg.notification { background: rgba(74, 124, 89, 0.04); }
.tl-time { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-faint); }
.tl-dir { font-family: var(--font-mono); font-size: 12px; text-align: center; font-weight: 600; }
.tl-dir.in { color: var(--steel); }
.tl-dir.out { color: var(--accent-deep); }
.tl-method { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink); }
.tl-summary { font-size: 13px; color: var(--ink-muted); }
.tl-summary .err { color: var(--terra); font-weight: 500; }
.tl-summary code { background: var(--bg-sunk); padding: 0 4px; border-radius: 3px; font-size: 0.9em; }
.tl-payload { grid-column: 1 / -1; margin-top: 8px; }
.tl-payload pre { margin: 0; padding: 12px 14px; background: var(--bg-sunk); border: 1px solid var(--border-soft); border-radius: 6px; font-size: 11.5px; line-height: 1.5; overflow-x: auto; max-height: 400px; overflow-y: auto; }

.tl-header { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.tl-header h2 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.tl-header .count { color: var(--ink-faint); font-family: var(--font-mono); font-size: 13px; }

/* ─────── Tools view (aggregate table) ─────── */
.tools-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.tools-table th, .tools-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border-soft); }
.tools-table th { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-faint); font-weight: 500; background: var(--bg-elev); position: sticky; top: 0; }
.tools-table td.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; text-align: right; }
.tools-table td.tool-name { font-family: var(--font-mono); color: var(--accent-deep); font-weight: 500; }
.tools-table tr:hover td { background: var(--bg-elev); }
.tools-table .errs.has-err { color: var(--terra); font-weight: 600; }

/* ─────── Calls view ─────── */
.calls-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.call-card { border: 1px solid var(--border); border-radius: 10px; background: var(--bg-elev); padding: 12px 16px; }
.call-card.errored { border-color: rgba(184, 92, 74, 0.4); background: rgba(184, 92, 74, 0.04); }
.call-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.call-time { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-faint); }
.call-tool { font-family: var(--font-mono); font-size: 13px; color: var(--accent-deep); font-weight: 600; }
.call-latency { font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-muted); margin-left: auto; }
.call-error-badge { font-family: var(--font-mono); font-size: 10px; padding: 2px 6px; border-radius: 4px; background: var(--terra); color: white; text-transform: uppercase; letter-spacing: 0.06em; }
.call-detail { margin-top: 10px; display: grid; grid-template-columns: 80px 1fr; gap: 8px 12px; align-items: baseline; font-size: 12.5px; }
.call-detail .lbl { font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.06em; }
.call-detail pre { margin: 0; padding: 8px 10px; background: var(--bg-sunk); border-radius: 5px; font-size: 11.5px; line-height: 1.5; overflow-x: auto; max-height: 240px; overflow-y: auto; }

/* ─────── Raw view ─────── */
.raw-pre { margin: 0; padding: 16px 20px; background: var(--bg-elev); border: 1px solid var(--border-soft); border-radius: 8px; font-size: 12px; line-height: 1.55; overflow: auto; }
.raw-line { display: grid; grid-template-columns: 48px 1fr; gap: 14px; padding: 1px 0; }
.raw-line .lineno { color: var(--ink-faint); text-align: right; user-select: none; }
.raw-line .content { white-space: pre-wrap; word-break: break-all; }
.raw-line.meta .content,
.raw-line.end .content { color: var(--ink-muted); }
.raw-line.in .content { color: var(--steel); }
.raw-line.out .content { color: var(--accent-deep); }

/* ─────── Error panel ─────── */
.error-panel { padding: 80px 0; }
.error-panel h2 { font-size: 24px; margin: 0 0 12px; }
.error-panel p { color: var(--ink-muted); font-size: 14px; }
.error-panel code { background: var(--bg-sunk); padding: 1px 5px; border-radius: 3px; }
.error-panel a { color: var(--accent-deep); }

.empty { text-align: center; padding: 60px 20px; color: var(--ink-faint); font-size: 14px; }

.drop-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  display: grid;
  place-items: center;
  font: 600 18px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  pointer-events: none;
  z-index: 999;
}
.drop-overlay[hidden] { display: none; }
.drop-hint {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  opacity: 0.7;
}

/* ─────── Try it section (landing) ─────── */
.try-it { padding: 32px 0 80px; background: linear-gradient(180deg, transparent 0%, var(--accent-tint) 100%); }
.try-it h2 { font-size: clamp(24px, 3vw, 32px); letter-spacing: -0.02em; margin: 0 0 8px; font-weight: 600; }
.try-lede { color: var(--ink-muted); margin: 0 0 28px; max-width: 60ch; font-size: 15px; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.step { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; }
.step-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.step-head h3 { margin: 0; font-size: 16px; font-weight: 600; }
.step-head h3 code { background: var(--bg-sunk); padding: 1px 6px; border-radius: 4px; font-size: 0.9em; }
.step-n { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: white; font-family: var(--font-mono); font-size: 13px; font-weight: 600; flex-shrink: 0; }
.step pre { background: var(--bg-sunk); border: 1px solid var(--border-soft); border-radius: 8px; padding: 12px 16px; margin: 12px 0; overflow-x: auto; font-size: 13px; line-height: 1.5; }
.step pre code { background: transparent; padding: 0; }
.step p { margin: 6px 0 0; font-size: 14px; color: var(--ink-muted); line-height: 1.55; }
.step p code { background: var(--bg-sunk); padding: 1px 5px; border-radius: 3px; font-size: 0.86em; color: var(--ink); }
.step p strong { color: var(--ink); }
.try-foot { margin-top: 24px; padding: 14px 18px; background: var(--bg-elev); border: 1px solid var(--border-soft); border-radius: 10px; font-size: 13.5px; color: var(--ink-muted); max-width: 64ch; line-height: 1.55; }

/* ─────── Search ─────── */
.search { margin-left: 16px; position: relative; }
.search input { width: 280px; padding: 6px 10px; font-family: var(--font-mono); font-size: 12.5px; border: 1px solid var(--border); background: var(--bg-elev); border-radius: 6px; color: var(--ink); }
.search input:focus { outline: none; border-color: var(--accent); }
.search-count { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); background: var(--bg-sunk); padding: 1px 6px; border-radius: 999px; }

.tl-msg.search-active { background: var(--accent-tint); border-left: 3px solid var(--accent); }

/* ─────── Connection state chip ─────── */
.conn-chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; font-family: var(--font-mono); font-size: 12px; color: var(--ink-muted); background: var(--bg-sunk); border: 1px solid var(--border-soft); border-radius: 999px; margin-left: 8px; }
.conn-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-faint); }
.conn-chip.connected .conn-dot { background: var(--sage); animation: conn-pulse 2s ease-in-out infinite; }
.conn-chip.reconnecting .conn-dot { background: var(--mustard); }
.conn-chip.disconnected .conn-dot { background: var(--terra); }
@keyframes conn-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.conn-age, .conn-drops { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); padding-left: 8px; border-left: 1px solid var(--border-soft); }
.conn-drops.warn { color: var(--terra); }
.raw-line.search-active { background: var(--accent-tint); border-left: 3px solid var(--accent); }

/* ─────── Diff view ─────── */
.diff-header { display: flex; align-items: center; gap: 16px; margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.diff-header h2 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.diff-count { color: var(--ink-faint); font-family: var(--font-mono); font-size: 13px; }
.diff-legend { margin-left: auto; display: flex; gap: 12px; font-family: var(--font-mono); font-size: 12px; color: var(--ink-muted); }
.diff-label-a { color: var(--steel); }
.diff-label-b { color: var(--accent-deep); }
.diff-list { display: grid; gap: 12px; }
.diff-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 12px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; position: relative; }
.diff-row::before {
  content: "";
  position: absolute;
  left: -3px; top: 8px; bottom: 8px;
  width: 3px; border-radius: 2px;
}
.diff-row.diff-same::before { background: var(--ink-faint); opacity: 0.3; }
.diff-row.diff-changed::before { background: var(--mustard); }
.diff-row.diff-only-a::before { background: var(--steel); }
.diff-row.diff-only-b::before { background: var(--accent-deep); }
.diff-tool { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 12.5px; padding-bottom: 8px; border-bottom: 1px solid var(--border-soft); }
.diff-name { color: var(--ink); font-weight: 600; }
.diff-ordinal { color: var(--ink-faint); }
.diff-status { margin-left: auto; padding: 2px 8px; border-radius: 999px; font-size: 11px; background: var(--bg-sunk); }
.diff-row.diff-changed .diff-status { background: var(--mustard); color: var(--ink); }
.diff-row.diff-only-a .diff-status { background: var(--steel); color: white; }
.diff-row.diff-only-b .diff-status { background: var(--accent-deep); color: white; }
.diff-pane { background: var(--bg); padding: 10px; border-radius: 6px; min-height: 60px; }
.diff-empty { color: var(--ink-faint); font-style: italic; font-size: 13px; padding: 12px; }
.diff-section-label { font-family: var(--font-mono); font-size: 10px; color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.diff-json { margin: 0 0 8px; font-size: 11.5px; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }
.diff-key-changed { background: rgba(200, 155, 60, 0.25); padding: 0 2px; border-radius: 2px; }
.diff-key-added { background: rgba(74, 124, 89, 0.25); padding: 0 2px; border-radius: 2px; }
.diff-key-removed { background: rgba(184, 92, 74, 0.25); padding: 0 2px; border-radius: 2px; }