/* ============================================================
   WAYSIDE — HoosAI ✕ BNSF Railway
   Predictive-maintenance console for the mechanical desk.
   ink + glass, Barlow Condensed / Inter / Fraunces italic / JetBrains Mono
   ============================================================ */

:root {
  --ink: #06070A;
  --ink-2: #0B0D12;
  --text: #E9ECF2;
  --muted: rgba(233, 236, 242, 0.56);
  --faint: rgba(233, 236, 242, 0.32);
  --line: rgba(233, 236, 242, 0.10);
  --glass: rgba(255, 255, 255, 0.035);
  --glass-2: rgba(255, 255, 255, 0.06);
  --accent: #F35D0A;
  --accent-soft: rgba(243, 93, 10, 0.16);
  --blue: #4D8DEE;
  --blue-soft: rgba(77, 141, 238, 0.16);
  --good: #2FBF71;
  --disp: "Barlow Condensed", sans-serif;
  --body: "Inter", sans-serif;
  --serif: "Fraunces", serif;
  --mono: "JetBrains Mono", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
/* the hidden attribute must always win, even over classes that set their own display */
[hidden]{ display:none !important; }


html, body { overflow-x: hidden; }

body {
  background: var(--ink);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* subtle fixed grain, matches sibling demos */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.6'/%3E%3C/svg%3E");
}

.wrap { width: min(1240px, calc(100% - 40px)); margin: 0 auto; }

em { font-family: var(--serif); font-style: italic; font-weight: 400; color: inherit; }

h1, h2, h3 { font-family: var(--disp); text-transform: uppercase; letter-spacing: 0.01em; line-height: 1.05; font-weight: 700; }

a { color: inherit; }

button { font-family: inherit; cursor: pointer; }

::selection { background: var(--accent); color: #fff; }

/* ---------- pulse dot ---------- */
.pulse {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(243, 93, 10, 0.5); }
  50% { box-shadow: 0 0 0 5px rgba(243, 93, 10, 0); }
}

/* ---------- logo badge ---------- */
.brand-badge { display: inline-flex; align-items: center; justify-content: center; flex: none; }
.brand-badge img { display: block; height: 20px; width: auto; }

/* ============================================================
   HEADER
   ============================================================ */
.site-head {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(6, 7, 10, 0.86);
  backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid var(--line);
}
.head-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 0;
  flex-wrap: wrap;
}
.lockup {
  font-family: var(--disp);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
  gap: 9px;
  flex: none;
}
.lockup-x { color: var(--accent); font-size: 13px; }

.head-mid {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-right: auto;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}
.head-title {
  font-family: var(--disp);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.1em;
}
.head-sub {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.head-right { display: flex; align-items: center; gap: 16px; flex: none; }
.head-clock {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  min-width: 68px;
}
.badge-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 6px 12px;
  background: var(--glass);
  white-space: nowrap;
}

/* ============================================================
   CONSOLE LAYOUT
   ============================================================ */
.console { padding: 32px 0 80px; }

.section-head { margin-bottom: 22px; }
.sec-kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--accent);
}
.section-head h2 {
  margin-top: 8px;
  font-size: clamp(26px, 3.4vw, 36px);
}
.section-head p {
  margin-top: 10px;
  max-width: 680px;
  color: var(--muted);
  font-size: 14.5px;
}

.board-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

/* ============================================================
   STAT ROW
   ============================================================ */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 40px;
}
.stat-tile {
  background: var(--ink-2);
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--faint);
  text-transform: uppercase;
}
.stat-value {
  font-family: var(--disp);
  font-weight: 700;
  font-size: clamp(30px, 3.4vw, 40px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.stat-sub {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--muted);
}

/* ============================================================
   DETECTOR HEALTH STRIP
   ============================================================ */
.detector-strip { margin-bottom: 48px; }
.site-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
}
.site-card {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px 18px;
  backdrop-filter: blur(10px);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.site-card:hover { transform: translateY(-2px); border-color: rgba(233, 236, 242, 0.22); }
.site-card.drifting {
  border-color: rgba(243, 93, 10, 0.55);
  background: linear-gradient(180deg, rgba(243, 93, 10, 0.10), var(--glass) 60%);
}
.site-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.site-name {
  font-family: var(--disp);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.site-status {
  flex: none;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 100px;
  white-space: nowrap;
}
.site-status.normal { color: var(--good); background: rgba(47, 191, 113, 0.14); border: 1px solid rgba(47, 191, 113, 0.3); }
.site-status.drifting { color: var(--accent); background: var(--accent-soft); border: 1px solid rgba(243, 93, 10, 0.45); }
.site-meta {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}
.site-cal {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
}
.site-cal b { color: var(--faint); font-weight: 500; }
.site-note {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
}
.site-card.drifting .site-note { color: var(--text); }
.site-card:not(.drifting) .site-note { color: var(--faint); }

/* ============================================================
   FLEET BOARD — TABS
   ============================================================ */
.fleet-board { margin-bottom: 20px; }
.board-tabs { display: flex; gap: 8px; flex: none; }
.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--disp);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 9px 16px;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.tab-btn span {
  font-family: var(--mono);
  font-size: 11px;
  background: rgba(233, 236, 242, 0.1);
  border-radius: 100px;
  padding: 1px 7px;
}
.tab-btn:hover { color: var(--text); border-color: rgba(233, 236, 242, 0.25); }
.tab-btn.active { color: var(--text); background: var(--accent-soft); border-color: rgba(243, 93, 10, 0.5); }
.tab-btn.active span { background: var(--accent); color: #fff; }

/* ============================================================
   FLEET TABLE
   ============================================================ */
.table-wrap {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  backdrop-filter: blur(10px);
}
.fleet-table { width: 100%; border-collapse: collapse; }
.fleet-table thead th {
  text-align: left;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.fleet-table thead th.num { text-align: left; }
.th-sort {
  background: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font: inherit;
  color: inherit;
  padding: 0;
  letter-spacing: inherit;
  text-transform: inherit;
}
.fleet-table thead th:has(.th-sort) { padding: 0; }
.fleet-table thead th .th-sort { padding: 14px 18px; width: 100%; }
.th-sort:hover { color: var(--text); }
.sort-ind { color: var(--accent); font-size: 9px; width: 8px; display: inline-block; }

.fleet-table tbody tr {
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  transition: background 0.18s ease;
}
.fleet-table tbody tr:last-child { border-bottom: none; }
.fleet-table tbody tr:hover { background: var(--glass-2); }
.fleet-table tbody tr:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.fleet-table td { padding: 14px 18px; vertical-align: middle; font-size: 14px; }

.td-car {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.01em;
}
.td-cartype { display: block; margin-top: 2px; font-family: var(--body); font-size: 11.5px; color: var(--faint); }

.det-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.det-chip i { width: 5px; height: 5px; border-radius: 50%; background: var(--faint); flex: none; }
.det-chip.hot-bearing i { background: #FF8A4C; }
.det-chip.wheel-impact i { background: #F35D0A; }
.det-chip.brake-thermal i { background: #FFB020; }

.risk-cell { display: flex; flex-direction: column; gap: 4px; }
.risk-score-row { display: flex; align-items: center; gap: 8px; }
.risk-badge {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 14.5px;
  padding: 2px 8px;
  border-radius: 5px;
  line-height: 1.4;
}
.risk-badge.critical { background: var(--accent); color: #fff; }
.risk-badge.elevated { background: var(--accent-soft); color: #FFAA6E; }
.risk-badge.monitor { background: var(--blue-soft); color: #9DC0FF; }
.risk-trend { font-size: 11.5px; color: var(--muted); }

.td-loc { color: var(--muted); font-size: 13px; }
.td-loc b { color: var(--text); font-weight: 500; }

.row-chevron { color: var(--faint); font-size: 16px; text-align: right; }
.fleet-table tbody tr:hover .row-chevron { color: var(--accent); }

.actioned-table td { color: var(--muted); }
.actioned-table .td-car { color: var(--text); }
.actioned-table td.num { font-family: var(--mono); }

.empty-note { padding: 34px 18px; text-align: center; color: var(--faint); font-size: 13.5px; }

/* ============================================================
   SLIDE-OVER DETAIL PANEL
   ============================================================ */
.scrim {
  position: fixed;
  inset: 0;
  background: rgba(4, 5, 7, 0.6);
  backdrop-filter: blur(2px);
  z-index: 60;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.scrim.on { opacity: 1; pointer-events: auto; }

.slideover {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(480px, 100vw);
  background: var(--ink-2);
  border-left: 1px solid var(--line);
  z-index: 61;
  transform: translateX(100%);
  transition: transform 0.38s cubic-bezier(0.22, 0.9, 0.32, 1);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.slideover.open { transform: translateX(0); }
.so-close {
  position: sticky;
  top: 0;
  float: right;
  margin: 14px 14px 0 0;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--ink-2);
  color: var(--muted);
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.so-close:hover { color: var(--text); border-color: rgba(233, 236, 242, 0.3); }
.so-body { padding: 20px 28px 40px; clear: both; }

.so-kicker { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--muted); text-transform: uppercase; }
.so-name { margin-top: 8px; font-size: 30px; font-family: var(--mono); font-weight: 500; text-transform: none; letter-spacing: 0.01em; }
.so-cartype { margin-top: 4px; color: var(--muted); font-size: 14px; }

.so-badges { margin-top: 16px; display: flex; gap: 8px; flex-wrap: wrap; }
.so-badge {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 5px 11px;
  border-radius: 100px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: var(--glass);
}
.so-badge.risk-critical { border-color: var(--accent); color: #fff; background: var(--accent); }
.so-badge.risk-elevated { border-color: rgba(243, 93, 10, 0.5); color: #FFAA6E; background: var(--accent-soft); }
.so-badge.risk-monitor { border-color: rgba(77, 141, 238, 0.5); color: #9DC0FF; background: var(--blue-soft); }

.so-drift-note {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  border: 1px solid rgba(243, 93, 10, 0.4);
  background: rgba(243, 93, 10, 0.08);
  border-radius: 8px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text);
}
.so-drift-note .ico { flex: none; color: var(--accent); font-size: 15px; line-height: 1.3; }

.so-section { margin-top: 28px; }
.so-section h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 12px;
}

.spark-card {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 14px 6px;
}
.spark-svg { width: 100%; height: auto; display: block; }
.spark-line { stroke-width: 2.2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.spark-threshold { stroke: var(--faint); stroke-width: 1; stroke-dasharray: 4 4; }
.spark-th-label { font-family: var(--mono); font-size: 8.5px; fill: var(--faint); letter-spacing: 0.04em; }
.spark-axis { font-family: var(--mono); font-size: 8px; fill: var(--faint); }

.history-list { list-style: none; display: flex; flex-direction: column; gap: 0; }
.history-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.history-row:last-child { border-bottom: none; }
.history-row .h-time { font-family: var(--mono); color: var(--faint); font-size: 11.5px; flex: none; width: 92px; }
.history-row .h-val { font-family: var(--mono); color: var(--text); flex: none; text-align: right; }
.history-row .h-axle { color: var(--muted); flex: 1; }
.history-row.is-latest .h-val { color: var(--accent); }

.ai-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(243, 93, 10, 0.06), var(--glass) 55%);
  border-radius: 10px;
  padding: 16px 18px 18px;
}
.ai-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.ai-label .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 1.4s ease-in-out infinite; }
.ai-text {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  min-height: 96px;
}
.ai-cursor {
  display: inline-block;
  width: 7px;
  height: 15px;
  background: var(--accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 0.9s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.so-actions { margin-top: 22px; display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--disp);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 12px 22px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: none;
  color: var(--text);
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn-accent { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-accent:hover:not(:disabled) { background: #ff6f1f; }
.btn-ghost { background: var(--glass); }
.btn-ghost:hover:not(:disabled) { background: var(--glass-2); border-color: rgba(233, 236, 242, 0.25); }
.btn:disabled { opacity: 0.6; cursor: default; transform: none; }

.so-confirmed {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border-radius: 8px;
  border: 1px solid rgba(47, 191, 113, 0.4);
  background: rgba(47, 191, 113, 0.1);
  font-size: 13.5px;
  color: var(--text);
}
.so-confirmed b { font-family: var(--mono); color: var(--good); font-weight: 500; }

/* ============================================================
   TOASTS
   ============================================================ */
.toast-stack {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}
.toast {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  max-width: 360px;
  background: var(--ink-2);
  border: 1px solid rgba(47, 191, 113, 0.4);
  border-left: 3px solid var(--good);
  border-radius: 8px;
  padding: 13px 16px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
  font-size: 13px;
  line-height: 1.5;
  transform: translateY(12px);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.toast.on { transform: translateY(0); opacity: 1; }
.toast .t-ico { color: var(--good); flex: none; font-size: 15px; line-height: 1.4; }
.toast b { font-family: var(--mono); font-weight: 500; }
.toast .t-time { display: block; margin-top: 3px; font-family: var(--mono); font-size: 11px; color: var(--faint); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-foot { border-top: 1px solid var(--line); padding: 30px 0 50px; }
.foot-row { display: flex; flex-direction: column; gap: 10px; }
.foot-lockup {
  font-family: var(--disp);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.foot-lockup span { color: var(--accent); }
.site-foot p { max-width: 720px; font-size: 12px; color: var(--faint); line-height: 1.7; }

/* ============================================================
   MOBILE — no horizontal scroll anywhere; table collapses to cards
   ============================================================ */
@media (max-width: 900px) {
  .stat-row { grid-template-columns: 1fr 1fr; }
  .head-mid { padding-left: 0; border-left: none; margin-right: 0; flex-basis: 100%; order: 3; }
  .head-row { gap: 10px 16px; }
  .head-right { margin-left: auto; }
}

@media (max-width: 760px) {
  .wrap { width: calc(100% - 28px); }
  .console { padding: 24px 0 60px; }
  .lockup { font-size: 16px; }
  .head-clock { display: none; }
  .badge-live { font-size: 9.5px; padding: 5px 10px; }

  .board-head { flex-direction: column; align-items: flex-start; }
  .board-tabs { width: 100%; }
  .tab-btn { flex: 1; justify-content: center; }

  /* table -> stacked cards */
  .fleet-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .fleet-table, .fleet-table tbody, .fleet-table tr, .fleet-table td { display: block; width: 100%; }
  .fleet-table tr {
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
    position: relative;
  }
  .fleet-table td {
    padding: 4px 0;
    border: none;
  }
  .fleet-table td[data-label]::before {
    content: attr(data-label);
    display: block;
    font-family: var(--mono);
    font-size: 9.5px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--faint);
    margin-bottom: 2px;
  }
  .fleet-table td.row-chevron { position: absolute; top: 14px; right: 16px; padding: 0; }
  .fleet-table td.row-chevron::before { content: none; }

  .slideover { width: 100vw; border-left: none; }
  .so-body { padding: 18px 20px 40px; }
  .so-name { font-size: 25px; }

  .toast-stack { left: 14px; right: 14px; bottom: 14px; align-items: stretch; }
  .toast { max-width: none; }
}

@media (max-width: 480px) {
  .stat-row { grid-template-columns: 1fr; }
  .site-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .pulse, .ai-cursor { animation: none; }
  .slideover, .scrim, .toast { transition: none; }
}