:root {
  /* MRS Slipstream — house tokens + locked logo cyan */
  --bg: #050914;
  --panel: #0d162c;
  --panel-hi: #111d36;
  --border: rgba(148, 163, 194, 0.12);
  --text: #f3f6fc;
  --text-dim: #91a0bc;
  --accent: #00e5ff;
  --cyan: #00e5ff;
  --accent-soft: #3b82f6;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #fb7185;
  --input-bg: #0a1224;
  --input-border: rgba(0, 229, 255, 0.28);
  --font: "Manrope", "Segoe UI", system-ui, sans-serif;
  --display: "Newsreader", Georgia, serif;
  --mono: "IBM Plex Mono", "Cascadia Code", Consolas, monospace;
}

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

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
}

/* Belgian flag strip — hidden by default (opt-in white-label only) */
.be-flag {
  display: none;
  height: 3px;
  background: linear-gradient(90deg, #1a1a1a 33.33%, #FDDA24 33.33%, #FDDA24 66.66%, #EF3340 66.66%);
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  min-height: 0;
}

.topbar {
  background: var(--panel-hi);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.topbar-accent { height: 2px; background: var(--accent); }

.topbar-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
}

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

.brand-logo {
  width: 40px;
  height: auto;
  flex-shrink: 0;
  object-fit: contain;
}

.brand-block {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.05;
}

.brand-full {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.subtitle {
  font-size: 12px;
  color: var(--cyan);
  margin-top: 4px;
}

.topbar-center { text-align: center; }

.speed-readout {
  font-size: 28px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.speed-sub {
  font-size: 12px;
  color: var(--text-dim);
}

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

.tab-bar {
  display: flex;
  gap: 4px;
  padding: 8px 10px 0;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  flex-shrink: 0;
}

.tab {
  padding: 8px 18px;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.tab:hover { color: var(--text); }
.tab.active {
  color: var(--cyan);
  background: var(--bg);
  border-color: var(--border);
}

.hidden { display: none !important; }

.main-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  gap: 10px;
  padding: 10px;
  overflow: hidden;
}

.view-setup {
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.75fr);
  grid-template-rows: auto auto auto;
  grid-template-areas:
    "main side"
    "log  log"
    "bottom bottom";
  overflow: auto;
  align-content: start;
  align-items: start;
  padding-bottom: 28px;
}

.tunnel-main {
  grid-area: main;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  align-self: stretch;
}

.tunnel-side {
  grid-area: side;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  align-self: stretch;
}

.panel-log { grid-area: log; }

/* Stack More + Advanced in one flex column — avoids CSS-grid + <details> height bugs */
.tunnel-bottom {
  grid-area: bottom;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  min-width: 0;
  min-height: min-content;
}
.panel-more,
.panel-advanced {
  grid-area: unset;
  position: relative;
  flex: 0 0 auto;
  width: 100%;
}

.btn-stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.btn-stack .btn {
  width: 100%;
  justify-content: center;
}

.form-grid-compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.model-status {
  margin-top: 8px;
  font-weight: 600;
  color: var(--cyan);
}

.more-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 18px;
}
.more-heading {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.panel-fields .hint,
.panel-fields .field-checks {
  margin-top: 10px;
}

/* Collapsible panels: full height when open, obvious click target */
.panel-collapsible {
  display: block;
  width: 100%;
  min-height: 0;
  height: auto;
  overflow: hidden;
  align-self: stretch;
  box-sizing: border-box;
  contain: layout;
}
.panel-collapsible[open] {
  overflow: visible;
  min-height: min-content;
  padding: 10px 14px 18px;
}
.panel-collapsible:not([open]) {
  padding: 8px;
}
/* Belt-and-suspenders: never paint body when closed (fixes grid overflow bleed) */
.panel-collapsible:not([open]) > .details-body {
  display: none !important;
}
.panel-collapsible[open] > .details-body {
  display: block;
}
.collapsible-summary {
  cursor: pointer;
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 12px 14px;
  border: 1px solid rgba(0, 229, 255, 0.28);
  border-radius: 10px;
  border-bottom: 1px solid rgba(0, 229, 255, 0.28);
  background: var(--panel-hi);
  color: var(--text);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  box-shadow: inset 0 0 0 1px rgba(0, 229, 255, 0.06);
}
.collapsible-summary:hover {
  border-color: rgba(0, 229, 255, 0.55);
  color: var(--cyan);
}
.collapsible-summary::-webkit-details-marker { display: none; }
.collapsible-summary::before {
  content: "▸";
  flex-shrink: 0;
  color: var(--cyan);
  font-size: 14px;
  line-height: 1;
  transition: transform 0.15s ease;
}
.collapsible-summary::after {
  content: "Click to open";
  margin-left: auto;
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--cyan);
  opacity: 0.9;
}
.panel-collapsible[open] > .collapsible-summary {
  margin-bottom: 14px;
}
.panel-collapsible[open] > .collapsible-summary::before {
  transform: rotate(90deg);
}
.panel-collapsible[open] > .collapsible-summary::after {
  content: "Click to close";
  opacity: 0.7;
}
.details-body {
  display: block;
  width: 100%;
  min-height: min-content;
  overflow: visible;
  padding-bottom: 4px;
}
.panel-collapsible .btn-row {
  margin-top: 14px;
  margin-bottom: 0;
  padding: 4px 0 2px;
}
.panel-collapsible .btn-ghost {
  padding: 10px 14px;
  min-height: 40px;
  border-radius: 8px;
  background: var(--panel-hi);
}

.howto-list {
  margin: 0 0 8px 1.2rem;
  color: var(--text);
  line-height: 1.45;
}
.howto-list li { margin: 0.25rem 0; color: var(--text-dim); }
.howto-list strong { color: var(--cyan); }
.howto-hint { margin-top: 4px; }

.btn-row-steps { flex-wrap: wrap; }
.btn-step {
  min-width: 7.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  background: rgba(0, 210, 190, 0.2);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
}

.panel-advanced {
  border: 1px dashed var(--border);
  background: var(--panel);
  border-radius: 10px;
}

.view-results {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto minmax(200px, 1fr) auto;
  overflow: auto;
}

.coef-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 10px;
}

.coef-card {
  background: var(--panel-hi);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  text-align: center;
}

.coef-label {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.coef-value {
  display: block;
  margin-top: 6px;
  font-size: 28px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.panel-results-paths { grid-column: 1 / -1; }

.table-wrap {
  max-height: 320px;
  overflow: auto;
  scrollbar-gutter: stable;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding-right: 4px;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.results-table th,
.results-table td {
  padding: 6px 10px;
  border-bottom: 1px solid rgba(36, 48, 64, 0.6);
  text-align: right;
}

.results-table th:first-child,
.results-table td:first-child { text-align: left; }

.results-table th {
  position: sticky;
  top: 0;
  background: var(--panel-hi);
  color: var(--text-dim);
  font-size: 11px;
  text-transform: uppercase;
}

.presets-table th,
.presets-table td {
  text-align: left;
}

.presets-table th:last-child,
.presets-table td:last-child {
  text-align: right;
  white-space: nowrap;
}

.preset-save-row {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  margin-bottom: 10px;
}

.preset-save-row .field {
  flex: 1;
  max-width: 360px;
}

.preset-table-wrap {
  max-height: 160px;
}

.preset-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 11px;
}

.btn-load {
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn-delete:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.preset-msg {
  font-size: 12px;
  color: var(--text-dim);
  min-height: 18px;
  margin-bottom: 6px;
}

.preset-msg.ok { color: var(--success); }
.preset-msg.err { color: var(--danger); }

.path-list {
  list-style: none;
  font-size: 12px;
  font-family: var(--mono);
  margin-bottom: 12px;
}

.path-list li {
  padding: 6px 0;
  border-bottom: 1px solid rgba(36, 48, 64, 0.5);
  word-break: break-all;
}

.path-list span {
  display: block;
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 11px;
  margin-bottom: 2px;
}

.status-pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.status-pill.running {
  border-color: var(--cyan);
  color: var(--cyan);
  animation: pulse 1.2s ease infinite;
}

.status-pill.ok { border-color: var(--success); color: var(--success); }
.status-pill.fail { border-color: var(--danger); color: var(--danger); }

@keyframes pulse {
  50% { opacity: 0.65; }
}

.panel-results-hero { grid-column: 1 / -1; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  min-height: 0;
}

.panel-env .form-grid,
.panel-geom .form-grid {
  gap: 8px 12px;
}

.toggle-row-compact {
  margin-top: 10px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.toggle-row-compact .toggle {
  padding: 7px 9px;
}

.toggle-row-compact .toggle-label small {
  font-size: 10px;
  line-height: 1.35;
}

.panel-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 14px;
}

.field { display: flex; flex-direction: column; gap: 4px; }
.field.span-2 { grid-column: span 2; }

.field span {
  font-size: 11px;
  color: var(--text-dim);
}

.field input,
.field select {
  width: 100%;
  padding: 7px 10px;
  border-radius: 4px;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
  font: inherit;
}

.field input.readonly {
  opacity: 0.85;
  cursor: default;
}

.toggle-row {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toggle {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}

.toggle input { margin-top: 3px; accent-color: var(--cyan); }

.toggle-label strong { display: block; font-size: 13px; }
.toggle-label small { display: block; margin-top: 2px; color: var(--text-dim); font-size: 11px; }

.panel-actions .btn-row { margin-bottom: 6px; }
.panel-actions .btn-row:last-child { margin-bottom: 0; }
.panel-actions .hint { margin-bottom: 8px; }

.hint {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.btn {
  padding: 8px 16px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--panel-hi);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.btn:hover { border-color: var(--cyan); color: var(--cyan); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.btn-primary {
  border-color: var(--cyan);
  background: rgba(0, 210, 190, 0.12);
  color: var(--cyan);
}

.btn-accent {
  border-color: var(--accent);
  background: rgba(225, 6, 0, 0.12);
  color: #ff6b60;
}


.btn-quit {
  font-size: 11px;
  padding: 5px 10px;
  border-color: var(--border);
  color: var(--muted);
  background: transparent;
}

.btn-quit:hover {
  border-color: var(--muted);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.quit-screen {
  margin: 4rem auto;
  max-width: 420px;
  padding: 2rem;
  text-align: center;
  color: var(--text-dim);
}

.quit-screen h1 {
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.quit-screen code {
  font-size: 0.85em;
  color: var(--cyan);
}

.btn-ghost { font-size: 12px; padding: 6px 12px; }
.btn-warn:hover { border-color: var(--warning); color: var(--warning); }

.btn-stop {
  border-color: var(--danger);
  color: var(--danger);
  margin-left: auto;
}

.btn-stop:hover:not(:disabled) {
  background: rgba(255, 61, 61, 0.12);
}

.btn-stop:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.status-pill.stopped { border-color: var(--warning); color: var(--warning); }

.panel-status {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.status-scroll {
  flex: 1;
  min-height: 0;
  max-height: 240px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-gutter: stable;
  padding: 0 2px 0 0;
}

.status-scroll #check-list {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: rgba(8, 11, 16, 0.55);
  padding: 8px 12px;
  margin-right: 8px;
}

.status-group { margin-bottom: 12px; }

.status-group-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 6px;
}

.check-list {
  list-style: none;
  font-size: 12px;
}

.check-list li {
  padding: 5px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid rgba(36, 48, 64, 0.5);
}

.check-list li span:first-child {
  flex: 1;
  min-width: 0;
}

.check-list li span:last-child {
  flex-shrink: 0;
  text-align: right;
  min-width: 4.5em;
  padding-right: 2px;
}

.check-list .ok { color: var(--success); }
.check-list .bad { color: var(--danger); }
.check-list .dim { color: var(--text-dim); }
.check-list .warn { color: var(--warning); }

.panel-log {
  display: flex;
  flex-direction: column;
  min-height: 180px;
  height: 240px;
  max-height: 280px;
  width: 100%;
}

.admin-alert-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 10px;
  padding: 8px 12px;
  border: 1px solid rgba(220, 80, 60, 0.45);
  background: rgba(220, 80, 60, 0.12);
  color: var(--text);
  font-size: 13px;
}

.admin-alerts-list {
  margin-top: 10px;
  max-height: 220px;
  overflow: auto;
}

.admin-alert-item {
  padding: 8px 0;
  border-bottom: 1px solid rgba(36, 48, 64, 0.5);
  font-size: 12px;
}

.admin-alert-item.unread {
  border-left: 3px solid var(--danger);
  padding-left: 8px;
}

.admin-alert-item.read {
  opacity: 0.7;
}

.log {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: #080b10;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-all;
}

@media (max-width: 1100px) {
  .view-setup {
    grid-template-columns: 1fr;
    grid-template-areas:
      "main"
      "side"
      "log"
      "bottom";
  }
  .more-grid { grid-template-columns: 1fr; }
  .form-grid-compact { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 960px) {
  .view-setup,
  .view-results,
  .view-schedule { grid-template-columns: 1fr; }
  .topbar-inner { grid-template-columns: 1fr; text-align: left; }
  .topbar-center, .topbar-right { text-align: left; }
}

.topbar-right {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.user-chip {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.tunnel-gate {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.tunnel-gate.open {
  color: var(--success);
  border-color: rgba(52, 211, 153, 0.45);
  background: rgba(52, 211, 153, 0.08);
}
.tunnel-gate.closed {
  color: var(--warning);
  border-color: rgba(251, 191, 36, 0.4);
  background: rgba(251, 191, 36, 0.08);
}

.view-schedule {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 14px;
  padding: 14px 16px 20px;
  overflow: auto;
}
.view-schedule.hidden { display: none; }

.schedule-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.slot-card {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 12px;
  padding: 12px 14px;
}
.slot-card.cancelled { opacity: 0.45; }
.slot-label { font-weight: 800; margin-bottom: 4px; }
.slot-when { font-family: var(--mono); font-size: 12px; color: var(--cyan); }
.slot-meta { font-size: 11px; color: var(--text-dim); margin: 6px 0; }
.btn-tiny { padding: 4px 10px; font-size: 11px; }

/* Login */
.login-body {
  min-height: 100vh;
  background:
    radial-gradient(900px 480px at 15% -10%, rgba(0, 229, 255, 0.16), transparent 55%),
    radial-gradient(700px 420px at 90% 10%, rgba(59, 130, 246, 0.12), transparent 50%),
    var(--bg);
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px 28px 24px;
  text-align: center;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}
.login-logo { display: block; margin: 0 auto 12px; }
.login-brand {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.28em;
  color: var(--cyan);
}
.login-title {
  font-family: var(--display);
  font-size: 40px;
  font-weight: 600;
  margin: 6px 0 4px;
}
.login-tag { color: var(--text-dim); margin-bottom: 22px; font-size: 13px; }
.login-form { text-align: left; display: flex; flex-direction: column; gap: 12px; }
.btn-block { width: 100%; justify-content: center; margin-top: 4px; }
.login-error { color: var(--danger); font-size: 12px; margin-top: 8px; }
.login-foot { margin-top: 18px; font-size: 11px; color: var(--text-dim); }

/* Role visibility — clients only see full-car upload; admin keeps parts UI */
body.role-client .admin-only { display: none !important; }
body.role-admin .client-only { display: none !important; }
body.role-pending .admin-only { display: none !important; }

.upload-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
}
.upload-row input[type="file"] {
  flex: 1 1 220px;
  color: var(--text-dim);
  font-size: 13px;
}

.field-checks {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 10px;
}
.field-group-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.field-group-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}
.field-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--input-bg);
  cursor: pointer;
  font-size: 13px;
}
.field-check:has(input:checked) {
  border-color: rgba(0, 229, 255, 0.45);
  box-shadow: inset 0 0 0 1px rgba(0, 229, 255, 0.2);
}
.field-check input { accent-color: var(--cyan); }

a.btn.is-disabled,
a.btn[aria-disabled="true"] {
  opacity: 0.45;
  pointer-events: none;
  cursor: not-allowed;
}

.panel-downloads .btn-row { margin-top: 12px; }