/* ═══════════════════════════════════════════════════════
   IsaacLab Dashboard — 203203.cc Portal-Consistent Theme
   Matches the parent portal design: IBM Plex Sans,
   glassmorphism cards, soft gradient background,
   Apple-style segmented tab controls.
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root {
  /* ── Text ── */
  --text-primary:    #1d1d1f;
  --text-secondary:  #86868b;
  --text-muted:      #aeaeb2;
  --text-white:      #ffffff;

  /* ── Background ── */
  --bg-gradient: radial-gradient(circle at 14% 10%, rgba(255,255,255,0.95), transparent 22%),
                 radial-gradient(circle at 86% 14%, rgba(214,226,244,0.52), transparent 30%),
                 radial-gradient(circle at 68% 72%, rgba(228,236,248,0.65), transparent 36%),
                 linear-gradient(#fbfcfe 0%, #eef2f7 100%);

  /* ── Cards ── */
  --card-bg:         rgba(255,255,255,0.82);
  --card-border:     rgba(15,23,42,0.08);
  --card-radius:     20px;
  --card-radius-sm:  14px;
  --card-shadow:     0 28px 80px rgba(15, 23, 42, 0.07), 0 2px 8px rgba(15, 23, 42, 0.03);

  /* ── Accent ── */
  --green:           #10b981;
  --red:             #ef4444;
  --blue:            #0ea5e9;
  --amber:           #f59e0b;
  --purple:          #8b5cf6;
  --cyan:            #06b6d4;

  /* ── Chips/Badges ── */
  --chip-dark-bg:    #1d1d1f;
  --chip-dark-text:  #ffffff;

  /* ── Nav active ── */
  --nav-active-bg:   #1d1d1f;
  --nav-active-text: #ffffff;
  --nav-icon-muted:  #6e6e73;

  /* ── Layout ── */
  --topbar-h: 56px;
  --font: 'IBM Plex Sans', 'Segoe UI', -apple-system, sans-serif;
  --mono: 'SF Mono', 'Cascadia Code', 'Menlo', monospace;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Topbar ── */
.topbar {
  position: sticky; top: 0;
  height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-bottom: 1px solid var(--card-border);
  z-index: 100;
}

.topbar-left { display: flex; align-items: center; gap: 12px; min-width: 0; flex: 0 0 auto; }

.topbar-logo {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--nav-active-bg);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-white); font-weight: 700; font-size: 12px;
  letter-spacing: 0.04em;
}

.topbar-title {
  font-size: 17px; font-weight: 600; color: var(--text-primary);
  white-space: nowrap;
}
.topbar-divider {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 15px;
}
.topbar-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
  white-space: nowrap;
}

.topbar-right { display: flex; align-items: center; gap: 10px; }

/* ── Pills / Badges ── */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 600;
  padding: 4px 10px; border-radius: 9999px;
  white-space: nowrap;
}
.pill--ok { background: rgba(16,185,129,0.12); color: #059669; }
.pill--warn { background: rgba(245,158,11,0.12); color: #d97706; }
.pill--err { background: rgba(239,68,68,0.12); color: #dc2626; }
.pill.ok { background: rgba(16,185,129,0.12); color: #059669; }
.pill.warn, .pill.idle { background: rgba(245,158,11,0.12); color: #d97706; }
.pill.fail, .pill.err { background: rgba(239,68,68,0.12); color: #dc2626; }

.pill-dot {
  width: 7px; height: 7px; border-radius: 50%;
  display: inline-block;
}
.pill-dot--green { background: var(--green); }
.pill-dot--amber { background: var(--amber); }
.pill-dot--red { background: var(--red); }

.lang-switch {
  display: inline-flex; gap: 6px;
  padding: 4px; border-radius: 8px;
  background: rgba(0,0,0,0.04);
}
.lang-btn {
  font-family: var(--font); font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 6px;
  border: none; background: transparent;
  color: var(--text-secondary); cursor: pointer;
  transition: all 0.15s;
}
.lang-btn:hover { color: var(--text-primary); background: rgba(0,0,0,0.02); }
.lang-btn.active { color: var(--text-primary); background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }

/* ── Tab bar — Apple segmented control ── */
.tab-bar {
  display: flex; justify-content: center;
  padding: 20px 28px 0;
}
.tab-track {
  display: inline-flex; gap: 4px;
  padding: 4px; border-radius: 10px;
  background: rgba(0,0,0,0.04);
}
.tab-btn {
  font-family: var(--font); font-size: 13px; font-weight: 600;
  color: var(--text-secondary);
  background: transparent; border: none;
  padding: 7px 18px; border-radius: 8px;
  cursor: pointer; transition: all 0.15s;
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); background: rgba(0,0,0,0.02); }
.tab-btn.active {
  color: var(--text-primary);
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
}
.tab-icon { font-size: 15px; }

/* ── Main ── */
.main-content {
  padding: 24px 28px 40px;
  max-width: 1140px;
  margin: 0 auto;
}

/* ── Panels ── */
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.2s ease; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Cards — portal-surface-card style ── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--card-shadow);
  padding: 22px 26px;
  transition: transform 0.2s;
}
.card:hover { transform: translateY(-1px); }
.card--flat { border-radius: var(--card-radius-sm); }
.card--nopad { padding: 0; }

.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.card-header h3 { font-size: 15px; font-weight: 600; }
.card-actions { display: flex; align-items: center; gap: 6px; }

/* ── Kicker: small uppercase category ── */
.kicker {
  font-size: 10px; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--text-secondary);
}

/* ── Section heading ── */
.section-title {
  font-size: 28px; font-weight: 600; color: var(--text-primary);
  letter-spacing: -0.01em;
}
.section-title--sm { font-size: 20px; }
.section-sub {
  font-size: 14px; color: var(--text-secondary); margin-top: 4px;
}
.section-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
}

/* ── Grids ── */
.grid-4 { display: grid; gap: 14px; grid-template-columns: repeat(4, 1fr); }
.grid-3 { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); }
.grid-2 { display: grid; gap: 14px; grid-template-columns: repeat(2, 1fr); }
.gap { margin-top: 20px; }
.gap-sm { margin-top: 14px; }

/* ── Overview composition ── */
.overview-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 22px;
  align-items: stretch;
  padding: 30px 34px;
  border: 1px solid var(--card-border);
  border-radius: 24px;
  background: rgba(255,255,255,0.66);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(14px);
}
.overview-hero h1 {
  font-size: 34px;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-top: 8px;
}
.overview-hero p {
  max-width: 640px;
  margin-top: 10px;
  font-size: 15px;
  color: var(--text-secondary);
}
.hero-status {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  padding: 18px;
  border: 1px solid rgba(15,23,42,0.08);
  border-radius: 18px;
  background: rgba(255,255,255,0.78);
}
.hero-status-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.hero-status strong {
  font-size: 18px;
  letter-spacing: -0.01em;
}
.hero-status span:last-child {
  font-size: 12px;
  color: var(--text-secondary);
}

.resource-grid {
  display: grid;
  grid-template-columns: 1.18fr 1fr 1fr 1fr;
  gap: 14px;
}
.resource-card {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  background: rgba(255,255,255,0.78);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(12px);
}
.resource-card--primary {
  background: linear-gradient(135deg, rgba(255,255,255,0.94), rgba(235,247,244,0.86));
}
.resource-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.resource-chip {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}
.resource-card h3 {
  margin-top: 28px;
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.resource-card p {
  margin-top: 8px;
  min-height: 42px;
  font-size: 13px;
  color: var(--text-secondary);
}
.resource-specs {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  font-size: 12px;
  color: var(--text-secondary);
}
.resource-specs strong {
  display: inline-block;
  min-width: 44px;
  color: var(--text-primary);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.project-tile {
  display: flex;
  flex-direction: column;
  min-height: 245px;
  padding: 20px;
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius);
  background: rgba(255,255,255,0.78);
  box-shadow: var(--card-shadow);
}
.project-tile--active {
  border-color: rgba(16,185,129,0.24);
  background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(238,250,246,0.84));
}
.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.project-mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(29,29,31,0.06);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
}
.project-tile h3 {
  margin-top: 18px;
  font-size: 18px;
  letter-spacing: -0.01em;
}
.project-tile p {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}
.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 18px;
}
.project-actions span {
  padding: 4px 8px;
  border-radius: 9999px;
  background: rgba(15,23,42,0.05);
  font-size: 10px;
  font-weight: 700;
  color: var(--text-secondary);
}
.overview-training {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 14px;
}
.snapshot-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.snapshot-grid strong {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 17px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.snapshot-message {
  margin-top: 18px;
  color: var(--text-secondary);
  font-size: 13px;
}
.evidence-lanes {
  display: grid;
  gap: 10px;
}
.evidence-lanes div {
  display: grid;
  grid-template-columns: 30px 90px 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.evidence-lanes div:last-child { border-bottom: none; }
.evidence-lanes span {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(29,29,31,0.08);
  font-size: 11px;
  font-weight: 700;
}
.evidence-lanes strong {
  font-size: 13px;
}
.evidence-lanes p {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ── Stat card ── */
.stat-kicker {
  font-size: 11px; font-weight: 500; color: var(--text-secondary);
  margin-bottom: 6px;
  display: flex; align-items: center; gap: 6px;
}
.stat-value {
  font-size: 32px; font-weight: 700; line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.stat-value--green { color: var(--green); }
.stat-value--amber { color: var(--amber); }
.stat-value--muted { color: var(--text-muted); }
.stat-sub { font-size: 12px; color: var(--text-secondary); margin-top: 6px; }

/* ── Quick link ── */
.quick-link {
  display: flex; align-items: center; gap: 14px;
  text-decoration: none; color: inherit;
  border-radius: var(--card-radius); padding: 18px 22px;
  background: var(--card-bg); border: 1px solid var(--card-border);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(12px);
  transition: transform 0.2s;
}
.quick-link:hover { text-decoration: none; transform: translateY(-1px); }
.quick-icon {
  width: 40px; height: 40px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.quick-icon--cyan { background: rgba(6,182,212,0.1); }
.quick-icon--amber { background: rgba(245,158,11,0.1); }
.quick-icon--purple { background: rgba(139,92,248,0.1); }
.quick-info h4 { font-size: 14px; font-weight: 600; }
.quick-info p { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ── Checklist ── */
.checklist { list-style: none; }
.checklist li {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0; font-size: 13px;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.checklist li:last-child { border-bottom: none; }
.check-dot {
  width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
}
.check-dot--green { background: var(--green); }
.check-dot--amber { background: var(--amber); }
.check-dot--red { background: var(--red); }

/* ── Viewport (video) ── */
.viewport-wrap {
  position: relative; background: #0a0a0a;
  border-radius: 14px; overflow: hidden;
  aspect-ratio: 16/9;
}
.viewport-wrap iframe, .viewport-wrap video, .viewport-wrap img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; border: none;
}
.viewport-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10,10,10,0.88);
  color: #555; font-size: 12px; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
}
.viewport-placeholder.hidden { display: none; }
.frame-stream.online,
#training-frame-stream.online {
  display: block !important;
}
.viewport.replay-active .replay-video {
  display: block !important;
}
.viewport.replay-active .webrtc-frame,
.viewport.replay-active .frame-stream {
  display: none !important;
}
.viewport-readout {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  background: rgba(0,0,0,0.52);
  color: rgba(255,255,255,0.78);
  font-size: 11px;
}
.viewport-readout strong {
  color: #fff;
  font-weight: 700;
}

/* ── Training workspace ── */
.training-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: 14px;
}
.training-layout--single {
  grid-template-columns: 1fr;
}
.training-summary {
  display: flex;
  flex-direction: column;
}
.run-title {
  font-size: 13px;
  color: var(--text-secondary);
}
.progress-shell {
  margin-top: 18px;
}
.progress-bar {
  height: 10px;
  overflow: hidden;
  border-radius: 9999px;
  background: rgba(15,23,42,0.07);
}
.progress-bar span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--green));
  transition: width 0.25s ease;
}
.progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}
.progress-meta strong {
  color: var(--text-primary);
  font-family: var(--mono);
}
.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}
.metric-strip strong {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 18px;
  font-variant-numeric: tabular-nums;
}
.artifact-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(0,0,0,0.04);
  font-size: 12px;
}
.artifact-row span {
  color: var(--text-secondary);
  font-weight: 700;
}
.artifact-row code {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-primary);
}
.video-card {
  overflow: hidden;
}
.video-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 14px;
  align-items: start;
}
.video-head,
.table-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 22px 14px;
}
.video-head h3,
.table-head h3 {
  margin-top: 3px;
  font-size: 15px;
}
.video-card .viewport-wrap {
  margin: 0 14px 14px;
}
.video-card--training .viewport-wrap {
  aspect-ratio: 16 / 10;
}
.video-card .replay-strip {
  padding: 0 14px 16px;
}
.curve-config-control {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 260px;
  padding: 6px 8px 6px 12px;
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius-sm);
  background: rgba(255,255,255,0.78);
  box-shadow: 0 10px 26px rgba(15,23,42,0.05);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
}
.curve-config-control select {
  min-width: 0;
  flex: 1;
  height: 34px;
  border: 0;
  border-radius: 6px;
  background: rgba(241,245,249,0.9);
  color: var(--text-primary);
  font: inherit;
  outline: none;
  padding: 0 28px 0 10px;
}
.curve-config-control select:focus {
  box-shadow: 0 0 0 2px rgba(14,165,233,0.24);
}
.curve-stack {
  display: grid;
  gap: 18px;
}
.curve-section {
  display: grid;
  gap: 10px;
}
.curve-group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.curve-group-head h3 {
  font-size: 14px;
  font-weight: 700;
}
.curve-group-head span {
  font-size: 12px;
  color: var(--text-secondary);
}
.curve-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.curve-card {
  min-height: 166px;
  padding: 16px;
  border: 1px solid var(--card-border);
  border-radius: var(--card-radius-sm);
  background: rgba(255,255,255,0.78);
  box-shadow: 0 18px 50px rgba(15,23,42,0.05);
}
.curve-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.curve-head span {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
}
.curve-head strong {
  font-family: var(--mono);
  font-size: 18px;
  font-variant-numeric: tabular-nums;
}
.curve-key {
  margin-top: 3px;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.curve-plot {
  height: 96px;
  margin-top: 12px;
  border-radius: 10px;
  background:
    linear-gradient(to bottom, rgba(15,23,42,0.05) 1px, transparent 1px) 0 0 / 100% 33%,
    rgba(248,250,252,0.78);
  overflow: hidden;
}
.curve-plot svg {
  display: block;
  width: 100%;
  height: 100%;
}
.curve-plot path {
  fill: none;
  stroke: var(--blue);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.curve-plot .curve-area {
  fill: rgba(14,165,233,0.12);
  stroke: none;
}
.training-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  gap: 14px;
}
.log-card {
  overflow: hidden;
}
.log-card pre {
  max-height: 260px;
  overflow: auto;
  padding: 0 22px 20px;
  color: #334155;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.6;
  white-space: pre-wrap;
}
.status-list {
  display: grid;
  gap: 4px;
}
.check {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.check:last-child { border-bottom: none; }
.check span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  flex-shrink: 0;
}
.check p {
  font-size: 13px;
  color: var(--text-secondary);
}
.check.ok span { background: var(--green); }
.check.ok p { color: var(--text-primary); }
.check.fail span { background: var(--red); }
.check.warn span { background: var(--amber); }

/* ── Control workspace ── */
.control-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) 340px;
  gap: 14px;
}
.control-side {
  display: flex;
  flex-direction: column;
}
.command-live-card {
  min-width: 0;
}
.command-live-viewport {
  border-radius: 0 0 14px 14px;
}
.control-tools {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(280px, 1.1fr) minmax(260px, 1fr);
  gap: 14px;
  align-items: start;
}
.control-side .control-tools {
  grid-template-columns: 1fr;
}
.speed-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.mono-value {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
}
.table-card {
  overflow: hidden;
}

/* ── WASD ── */
.keypad {
  display: grid;
  grid-template-areas: '. w .' 'a s d';
  grid-template-columns: repeat(3, 52px);
  grid-template-rows: repeat(2, 46px);
  gap: 5px; justify-content: center;
  margin: 10px 0;
}
.key {
  font-family: var(--mono); font-size: 15px; font-weight: 700;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.9);
  border: 1.5px solid rgba(15,23,42,0.1);
  border-radius: 10px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.1s;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.key:hover { border-color: rgba(15,23,42,0.2); color: var(--text-primary); }
.key.pressed, .key.active {
  background: rgba(16,185,129,0.12); border-color: var(--green);
  color: #059669; box-shadow: 0 0 0 3px rgba(16,185,129,0.1);
}
.key-w { grid-area: w; }
.key-a { grid-area: a; }
.key-s { grid-area: s; }
.key-d { grid-area: d; }

/* ── Speed ── */
.speed-slider {
  flex: 1; height: 4px;
  -webkit-appearance: none; appearance: none;
  background: rgba(0,0,0,0.06); border-radius: 2px; outline: none;
}
.speed-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%;
  background: var(--text-primary); cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.speed-input {
  width: 56px; padding: 5px 8px; font-family: var(--mono); font-size: 13px;
  text-align: center;
  border: 1px solid rgba(15,23,42,0.1); border-radius: 8px;
  background: rgba(255,255,255,0.8);
}
.speed-input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(14,165,233,0.12); }

/* ── Replay strip ── */
.replay-strip { display: flex; flex-wrap: wrap; gap: 6px; padding: 14px 0 0; }
.replay-btn {
  font-family: var(--font); font-size: 12px; font-weight: 600;
  padding: 5px 14px; border-radius: 9999px;
  border: 1.5px solid rgba(15,23,42,0.1);
  background: rgba(255,255,255,0.8); color: var(--text-secondary);
  cursor: pointer; transition: all 0.15s;
}
.replay-btn:hover { border-color: rgba(15,23,42,0.2); color: var(--text-primary); }
.replay-btn.active {
  background: var(--chip-dark-bg); border-color: var(--chip-dark-bg);
  color: var(--chip-dark-text);
}

/* ── Button ── */
.btn {
  font-family: var(--font); font-size: 12px; font-weight: 600;
  padding: 6px 14px; border-radius: 8px;
  border: 1px solid rgba(15,23,42,0.1);
  background: rgba(255,255,255,0.8); color: var(--text-primary);
  cursor: pointer; transition: all 0.15s;
  text-decoration: none; display: inline-block;
}
.btn:hover { border-color: rgba(15,23,42,0.2); background: #fff; text-decoration: none; }
.btn--primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn--primary:hover { background: #0284c7; }
.btn--dark { background: var(--chip-dark-bg); border-color: var(--chip-dark-bg); color: #fff; }

/* ── Table ── */
.res-table { width: 100%; border-collapse: collapse; }
.res-table th, .res-table td {
  padding: 12px 16px; text-align: left;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  font-size: 13px;
}
.res-table th {
  font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--text-secondary);
  padding-bottom: 10px;
}
.res-table tbody tr:hover td { background: rgba(0,0,0,0.015); }

.tag {
  font-size: 10px; font-weight: 700; padding: 3px 10px;
  border-radius: 9999px; display: inline-flex; align-items: center; gap: 4px;
}
.tag--gpu { background: rgba(139,92,248,0.1); color: var(--purple); }
.tag--relay { background: rgba(14,165,233,0.1); color: var(--blue); }
.tag--active { background: rgba(16,185,129,0.1); color: #059669; }
.tag--paper { background: rgba(245,158,11,0.1); color: #d97706; }
.tag--research { background: rgba(6,182,212,0.1); color: var(--cyan); }
.tag--dark { background: var(--chip-dark-bg); color: var(--chip-dark-text); }

/* ── Project card ── */
.project-card { display: flex; gap: 14px; align-items: flex-start; }
.project-icon {
  width: 40px; height: 40px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.project-icon--dog { background: rgba(16,185,129,0.1); }
.project-icon--forest { background: rgba(6,182,212,0.1); }
.project-icon--dqn { background: rgba(139,92,248,0.1); }
.project-icon--ugv { background: rgba(245,158,11,0.1); }
.project-card h4 { font-size: 14px; font-weight: 600; }
.project-card p { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ── Metrics row ── */
.metrics-row { display: flex; gap: 24px; flex-wrap: wrap; }
.metric-item { display: flex; flex-direction: column; gap: 2px; }
.metric-label { font-size: 10px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.12em; font-weight: 600; }
.metric-value { font-size: 18px; font-weight: 600; font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ── Datagrid ── */
.datagrid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.datagrid-item {}
.datagrid-title { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-secondary); }
.datagrid-content { font-size: 13px; font-weight: 500; margin-top: 2px; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.08); border-radius: 3px; }

[hidden] { display: none !important; }
.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .control-layout { grid-template-columns: 1fr; }
  .video-grid,
  .control-tools {
    grid-template-columns: 1fr;
  }
  .overview-hero,
  .overview-training,
  .training-layout,
  .training-detail-grid {
    grid-template-columns: 1fr;
  }
  .resource-grid,
  .project-grid,
  .curve-grid {
    grid-template-columns: 1fr 1fr;
  }
  .topbar-right .pill {
    display: none;
  }
  .topbar-right .pill:first-child {
    display: inline-flex;
  }
}
@media (max-width: 600px) {
  .grid-4 { grid-template-columns: 1fr; }
  .main-content { padding: 16px; }
  .topbar { padding: 0 16px; }
  .topbar-right { display: none; }
  .tab-btn span { display: none; }
  .overview-hero,
  .resource-card,
  .project-tile,
  .card {
    border-radius: 16px;
  }
  .resource-grid,
  .project-grid,
  .curve-grid,
  .snapshot-grid,
  .metric-strip {
    grid-template-columns: 1fr;
  }
  .section-row {
    align-items: flex-start;
    flex-direction: column;
  }
  .curve-group-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .curve-config-control {
    width: 100%;
  }
  .speed-row {
    display: grid;
    grid-template-columns: 1fr;
  }
}

/* ── Iframe Integration ── */
.is-iframe .topbar {
  display: none !important;
}
.is-iframe body {
  background: transparent !important;
  background-image: none !important;
}
.is-iframe .main-content {
  padding-top: 10px !important;
}