/* data-oncall dashboard — dark theme */
:root {
  --bg-base: #0a0a0f;
  --bg-pane: #13131a;
  --bg-elev: #1a1a24;
  --border: #2a2a35;
  --text-primary: #e0e0e6;
  --text-muted: #8a8a95;

  --cyan-nl: #00d4ff;
  --magenta-graphql: #ff00aa;
  --green-success: #00ff88;
  --red-error: #ff3355;
  --yellow-warn: #ffcc00;
  --orange-think: #ffaa44;

  --led-active: #00ff88;
  --led-idle: #444;
  --led-thinking: #ffaa44;
  --led-querying: #00d4ff;
  --led-done: #00ff88;
  --led-error: #ff3355;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  font-size: 18px;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
}

/* ─── Top bar ─────────────────────────────────────────────────────────── */
#topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  position: sticky;
  top: 0;
  z-index: 100;
}
.brand { font-weight: 700; font-size: 26px; letter-spacing: 0.5px; }
.brand .logo { color: var(--cyan-nl); margin-right: 8px; }
.brand .tagline { font-weight: 400; color: var(--text-muted); font-size: 16px; margin-left: 16px; }
.status { display: flex; gap: 24px; align-items: center; font-variant-numeric: tabular-nums; font-size: 16px; }

#status-badge {
  padding: 6px 14px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
}
.status-idle    { background: #333; color: var(--text-muted); }
.status-running { background: var(--cyan-nl); color: var(--bg-base); animation: pulse 2s infinite; }
.status-done    { background: var(--green-success); color: var(--bg-base); }
.status-error   { background: var(--red-error); color: white; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

#elapsed, #cost-counter { color: var(--text-muted); font-size: 17px; }

/* ─── Model badges ────────────────────────────────────────────────────── */
#model-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 14px 22px;
  background: var(--bg-base);
}
.model-badge {
  background: var(--bg-pane);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 16px;
  transition: border-color 0.3s;
}
.model-badge[data-active="true"] { border-color: var(--led-active); }
.badge-name { font-size: 15px; font-weight: 700; letter-spacing: 1px; color: var(--text-muted); }
.badge-model { font-size: 21px; font-weight: 600; color: var(--text-primary); margin: 6px 0; }
.badge-role { font-size: 15px; color: var(--text-primary); margin: 8px 0 10px; line-height: 1.6; }
.badge-role code { background: var(--bg-elev); padding: 2px 7px; border-radius: 3px; font-size: 14px; color: var(--cyan-nl); }
.badge-meta { font-size: 14px; color: var(--text-muted); }

/* ─── Fine-tune story ─────────────────────────────────────────────────── */
#finetune-story {
  margin: 6px 22px 14px;
  padding: 16px 18px;
  background: var(--bg-pane);
  border: 1px solid var(--border);
  border-radius: 6px;
}
#finetune-story h2 {
  margin: 0 0 18px;
  font-size: 17px;
  letter-spacing: 1.5px;
  color: var(--cyan-nl);
}
.finetune-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
.finetune-card { background: var(--bg-elev); padding: 16px 18px; border-radius: 4px; }
.ft-label { font-size: 14px; color: var(--text-muted); letter-spacing: 0.6px; text-transform: uppercase; }
.ft-value { font-size: 18px; color: var(--text-primary); margin-top: 6px; word-break: break-word; }

.accuracy-bars { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.bar-row { display: grid; grid-template-columns: 200px 1fr 120px; align-items: center; gap: 16px; font-size: 16px; }
.bar-label { color: var(--text-muted); }
.bar-label.improvement { color: var(--orange-think); font-weight: 600; }
.bar-track { background: var(--bg-elev); border-radius: 4px; height: 20px; overflow: hidden; }
.bar-fill { height: 100%; transition: width 0.6s ease; }
.bar-fill.base { background: linear-gradient(90deg, #3a3a48, #5a5a68); }
.bar-fill.tuned { background: linear-gradient(90deg, var(--cyan-nl), var(--green-success)); }
.bar-pct { font-variant-numeric: tabular-nums; text-align: right; font-weight: 600; }
.bar-pct.delta { color: var(--green-success); font-weight: 700; grid-column: 2 / 4; text-align: left; }

.sample-pair { margin-top: 18px; }
.sample-pair summary { cursor: pointer; color: var(--text-muted); font-size: 14px; padding: 8px 0; }
.sample-pair summary:hover { color: var(--text-primary); }
.sample-nl { margin: 12px 0; font-size: 14px; color: var(--text-primary); }
.sample-nl strong { color: var(--cyan-nl); }
.sample-pair pre { background: var(--bg-elev) !important; border: 1px solid var(--border); border-radius: 4px; font-size: 13px !important; max-height: 180px; overflow: auto; }

/* Fine-tune status badge + job details + loss curve */
#ft-status-badge {
  display: inline-block;
  margin-left: 14px;
  padding: 5px 12px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.6px;
  vertical-align: middle;
}
#ft-status-badge.status-pending { background: var(--orange-think); color: var(--bg-base); }
#ft-status-badge.status-done    { background: var(--green-success); color: var(--bg-base); }

.ft-job-details {
  margin: 18px 0 14px;
  padding: 16px 20px;
  background: var(--bg-elev);
  border-radius: 4px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px 24px;
}
.ft-job-row { font-size: 16px; color: var(--text-muted); }
.ft-job-label { display: inline-block; min-width: 110px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; font-size: 14px; letter-spacing: 0.6px; }
.ft-job-row code, .ft-job-row span:not(.ft-job-label) { color: var(--text-primary); font-size: 16px; }
.ft-job-row code { background: transparent; padding: 0; }

.ft-section-title {
  margin: 28px 0 16px;
  font-size: 16px;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
}

.ft-deployment-note {
  margin-top: 16px;
  padding: 16px 20px;
  background: rgba(255, 170, 68, 0.08);
  border-left: 4px solid var(--orange-think);
  border-radius: 4px;
  font-size: 16px;
  line-height: 1.65;
  color: var(--text-primary);
}

.loss-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 17px;
  margin-bottom: 16px;
}
.loss-table th {
  text-align: left;
  background: var(--bg-elev);
  padding: 14px 18px;
  color: var(--text-muted);
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.loss-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.loss-table tbody tr:last-child td { border-bottom: none; }
.loss-table td:first-child { color: var(--text-muted); font-weight: 600; }
.loss-table td:last-child { width: 240px; }

.loss-mini-bar {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}
.loss-mini-fill {
  height: 9px;
  border-radius: 2px;
}
.loss-mini-fill.train { background: linear-gradient(90deg, #3a3a48, #5a5a68); }
.loss-mini-fill.val { background: linear-gradient(90deg, var(--cyan-nl), var(--green-success)); }

.loss-summary {
  font-size: 16px;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.75;
}
.loss-summary-row strong { color: var(--text-primary); }
.loss-delta {
  display: inline-block;
  margin-left: 14px;
  padding: 4px 13px;
  background: var(--green-success);
  color: var(--bg-base);
  border-radius: 3px;
  font-weight: 700;
  font-size: 15px;
}

.accuracy-note {
  font-size: 15px;
  color: var(--text-muted);
  font-style: italic;
  margin: 14px 0 0;
  line-height: 1.65;
}

/* Artifact links (HuggingFace, W&B, GitHub) */
.ft-links {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.ft-link {
  flex: 1;
  min-width: 220px;
  padding: 16px 20px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.15s;
  text-align: center;
}
.ft-link:hover {
  border-color: var(--cyan-nl);
  color: var(--cyan-nl);
}
.ft-link small { font-size: 12px; color: var(--text-muted); font-weight: 400; display: inline-block; margin-top: 4px; }

/* ─── Trigger bar ─────────────────────────────────────────────────────── */
#trigger-bar {
  display: flex;
  gap: 14px;
  align-items: center;
  margin: 0 22px 16px;
  padding: 18px 20px;
  background: var(--bg-pane);
  border: 1px solid var(--border);
  border-radius: 6px;
}
#incident-input {
  flex: 1;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 16px 20px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 17px;
}
#incident-input:focus { outline: none; border-color: var(--cyan-nl); }

button {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 16px 28px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.15s;
}
button:hover { border-color: var(--cyan-nl); }
button.primary { background: var(--cyan-nl); color: var(--bg-base); border-color: var(--cyan-nl); }
button.primary:hover { background: white; }
button:disabled { opacity: 0.5; cursor: not-allowed; }
.stub-toggle { color: var(--text-muted); font-size: 15px; display: flex; gap: 8px; align-items: center; }

/* ─── 4-pane agent grid ───────────────────────────────────────────────── */
#agent-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0 22px 14px;
  min-height: 380px;
}
.agent-pane {
  background: var(--bg-pane);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.pane-header {
  background: var(--bg-elev);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border);
}
.pane-title { font-size: 16px; font-weight: 700; letter-spacing: 1px; }
.pane-model { font-size: 15px; color: var(--text-muted); margin-left: auto; }
.pane-body {
  flex: 1;
  padding: 18px 20px;
  overflow-y: auto;
  font-size: 16px;
  max-height: 620px;
}
.pane-footer { background: var(--bg-elev); padding: 12px 20px; font-size: 15px; color: var(--text-muted); border-top: 1px solid var(--border); }

/* LED status */
.led {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--led-idle);
  display: inline-block;
}
.led.idle      { background: var(--led-idle); }
.led.thinking  { background: var(--led-thinking); animation: pulse 1.5s infinite; }
.led.querying  { background: var(--led-querying); animation: pulse 1.5s infinite; }
.led.done      { background: var(--led-done); }
.led.error     { background: var(--led-error); animation: pulse 0.5s infinite; }

/* Event entries */
.event {
  margin: 10px 0;
  padding: 6px 0;
  border-left: 3px solid transparent;
  padding-left: 12px;
}
.event-thinking          { color: var(--orange-think); border-left-color: var(--orange-think); font-style: italic; opacity: 0.85; }
.event-nl_query          { color: var(--cyan-nl); border-left-color: var(--cyan-nl); }
.event-graphql_generated { color: var(--magenta-graphql); border-left-color: var(--magenta-graphql); }
.event-graphql_executed  { color: var(--green-success); border-left-color: var(--green-success); }
.event-tool_called       { color: var(--text-muted); border-left-color: var(--text-muted); }
.event-postmortem_written{ color: var(--green-success); border-left-color: var(--green-success); font-weight: 600; }
.event-slack_posted      { color: var(--cyan-nl); border-left-color: var(--cyan-nl); }
.event-error             { color: var(--red-error); border-left-color: var(--red-error); }

.event-label { font-size: 14px; color: var(--text-muted); letter-spacing: 0.6px; text-transform: uppercase; font-weight: 600; }
.event-content { display: block; word-wrap: break-word; word-break: break-word; margin-top: 5px; font-size: 16px; }
.event-content pre { background: var(--bg-elev) !important; padding: 14px 16px !important; border-radius: 4px; font-size: 15px !important; max-height: 260px; overflow: auto; margin: 10px 0 !important; }

/* ─── Postmortem ──────────────────────────────────────────────────────── */
#postmortem {
  margin: 16px 22px 24px;
  padding: 22px 26px;
  background: var(--bg-pane);
  border: 1px solid var(--border);
  border-radius: 6px;
}
#postmortem h2 {
  margin: 0 0 18px;
  font-size: 17px;
  letter-spacing: 1.5px;
  color: var(--cyan-nl);
  text-transform: uppercase;
  font-weight: 700;
}
#postmortem-body {
  white-space: pre-wrap;
  font-size: 19px;
  line-height: 1.7;
}
#postmortem-body.empty { color: var(--text-muted); font-style: italic; }
#postmortem-body.populated { color: var(--text-primary); }

#affected-datasets { margin-top: 16px; display: flex; flex-direction: column; gap: 6px; }
.dataset-link {
  display: inline-block;
  padding: 10px 16px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--cyan-nl);
  text-decoration: none;
  font-size: 15px;
  margin-right: 10px;
}
.dataset-link:hover { border-color: var(--cyan-nl); background: var(--bg-base); }

/* Replay-mode banner (only shown on Vercel / non-live hosts) */
#replay-banner {
  background: linear-gradient(135deg, rgba(255, 170, 68, 0.15), rgba(255, 170, 68, 0.05));
  border-bottom: 1px solid var(--orange-think);
  color: var(--text-primary);
  padding: 14px 22px;
  font-size: 15px;
  line-height: 1.6;
  text-align: center;
}
#replay-banner strong { color: var(--orange-think); margin-right: 8px; }
#replay-banner a { color: var(--cyan-nl); text-decoration: none; }
#replay-banner a:hover { text-decoration: underline; }

/* Scrollbars */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ─── Walkthrough sections (NEW) ──────────────────────────────────── */

.topnav {
  display: flex;
  gap: 24px;
  font-size: 16px;
  letter-spacing: 0.5px;
}
.topnav a {
  color: var(--text-muted);
  text-decoration: none;
  text-transform: lowercase;
  transition: color 0.15s;
}
.topnav a:hover { color: var(--cyan-nl); }

#hero {
  text-align: center;
  padding: 72px 22px 60px;
  background: radial-gradient(ellipse at center top, rgba(0, 212, 255, 0.06), transparent 70%);
  border-bottom: 1px solid var(--border);
}
#hero h1 {
  font-size: 96px;
  margin: 0;
  letter-spacing: -2px;
  background: linear-gradient(135deg, var(--cyan-nl), var(--green-success));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 700;
}
.hero-tagline {
  font-size: 30px;
  color: var(--text-primary);
  margin: 22px 0 14px;
  font-weight: 500;
}
.hero-description {
  font-size: 20px;
  color: var(--text-muted);
  max-width: 920px;
  margin: 26px auto;
  line-height: 1.7;
}
.hero-description strong { color: var(--text-primary); }
.hero-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 36px;
}
.cta {
  padding: 16px 32px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-elev);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  transition: all 0.15s;
}
.cta:hover { border-color: var(--cyan-nl); background: var(--bg-pane); }
.cta.primary {
  background: var(--cyan-nl);
  color: var(--bg-base);
  border-color: var(--cyan-nl);
}
.cta.primary:hover { background: white; }

/* Generic section style for walkthrough panels */
#problem,
#architecture,
#labs,
#data,
#trick,
#demo-heading,
#datahub-link,
#stack,
#build {
  margin: 18px 22px;
  padding: 28px 32px;
  background: var(--bg-pane);
  border: 1px solid var(--border);
  border-radius: 6px;
}
#problem h2,
#architecture h2,
#labs h2,
#data h2,
#trick h2,
#demo-heading h2,
#datahub-link h2,
#stack h2,
#build h2 {
  margin: 0 0 20px;
  font-size: 17px;
  letter-spacing: 1.5px;
  color: var(--cyan-nl);
  text-transform: uppercase;
  font-weight: 700;
}
#build h3 {
  margin: 28px 0 12px;
  font-size: 15px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}
#problem p,
#architecture p,
#labs p,
#data p,
#trick p,
#demo-heading p,
#datahub-link p,
#build p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-primary);
  max-width: 1080px;
}
#problem p strong,
#trick p strong,
#data p strong,
#architecture p strong { color: var(--cyan-nl); }
#problem p code,
#trick p code,
#data code,
#data ul li code,
#stack td code,
#build code {
  background: var(--bg-elev);
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 16px;
  color: var(--magenta-graphql);
}

#data ul {
  margin: 16px 0;
  padding-left: 28px;
  font-size: 17px;
  line-height: 1.85;
}
#data ul li { color: var(--text-primary); margin: 8px 0; }

.ascii-diagram {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 24px 28px;
  font-size: 15px;
  color: var(--text-muted);
  overflow-x: auto;
  line-height: 1.5;
  margin: 0 0 20px;
}

/* Tables */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 17px;
}
.info-table th {
  text-align: left;
  background: var(--bg-elev);
  color: var(--text-muted);
  font-weight: 600;
  padding: 16px 18px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-bottom: 1px solid var(--border);
}
.info-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  color: var(--text-primary);
  line-height: 1.6;
}
.info-table tbody tr:last-child td { border-bottom: none; }
.info-table tbody tr:hover td { background: rgba(0, 212, 255, 0.03); }
.info-table code {
  background: var(--bg-elev);
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 16px;
  color: var(--cyan-nl);
}
.stack-table td:first-child { color: var(--cyan-nl); font-weight: 600; white-space: nowrap; }

.labs-pitch {
  margin-top: 22px !important;
  padding: 18px 22px;
  background: var(--bg-elev);
  border-left: 4px solid var(--cyan-nl);
  border-radius: 4px;
  font-size: 16px !important;
  color: var(--text-primary) !important;
}

/* DataHub deep links */
.datahub-links { display: flex; flex-direction: column; gap: 10px; margin: 18px 0; }
.datahub-links a {
  padding: 16px 20px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--cyan-nl);
  text-decoration: none;
  font-size: 16px;
  font-family: ui-monospace, monospace;
  transition: all 0.15s;
}
.datahub-links a:hover { border-color: var(--cyan-nl); background: var(--bg-base); }
.link-meta { color: var(--text-muted); float: right; font-size: 14px; text-transform: uppercase; letter-spacing: 0.5px; }
.link-note {
  color: var(--text-muted) !important;
  font-size: 16px !important;
  font-style: italic;
  margin-top: 20px !important;
}
.link-note strong { color: var(--text-primary); }

/* Gotchas list (build section) */
.gotchas {
  list-style: none;
  padding: 0;
  margin: 12px 0 24px;
}
.gotchas li {
  background: var(--bg-elev);
  border-left: 4px solid var(--orange-think);
  padding: 18px 22px;
  margin: 14px 0;
  font-size: 16px;
  line-height: 1.7;
  border-radius: 4px;
}
.gotchas li strong { color: var(--orange-think); }
.gotchas li code {
  background: var(--bg-base);
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 15px;
  color: var(--cyan-nl);
}

.stats {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 14px 0;
}
.stats li {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 20px 22px;
  font-size: 15px;
  color: var(--text-muted);
}
.stats li strong {
  display: block;
  font-size: 30px;
  color: var(--cyan-nl);
  font-weight: 700;
  margin-bottom: 6px;
}

footer {
  text-align: center;
  padding: 40px 22px 60px;
  margin-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
}
footer a {
  color: var(--cyan-nl);
  text-decoration: none;
}
footer a:hover { text-decoration: underline; }
footer code {
  background: var(--bg-elev);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 13px;
}

/* Smooth scroll for in-page anchors */
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

/* Responsive: stack stats on narrow screens */
@media (max-width: 800px) {
  .stats { grid-template-columns: 1fr 1fr; }
  #model-bar, .finetune-grid { grid-template-columns: repeat(2, 1fr); }
  #agent-grid { grid-template-columns: 1fr 1fr; }
  #hero h1 { font-size: 44px; }
}
@media (max-width: 500px) {
  .stats { grid-template-columns: 1fr; }
  #model-bar, .finetune-grid, #agent-grid { grid-template-columns: 1fr; }
  #hero h1 { font-size: 36px; }
  .topnav { display: none; }
}