:root {
  /* MRS Slipstream — house tokens + locked logo cyan */
  --bg: #050914;
  --panel: #0d162c;
  --panel-hi: #111d36;
  --border: rgba(148, 163, 194, 0.16);
  --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;
}

/* Tunnel tab: override .main-grid so log + More/Advanced stack and scroll cleanly */
.main-grid.view-setup {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
  padding-bottom: 28px;
}

.tunnel-top-row {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.75fr);
  gap: 10px;
  align-items: start;
  flex: 0 0 auto;
}

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

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

/* More + Advanced — always after live log in layout, never overlapping it */
.tunnel-bottom {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  min-width: 0;
  flex: 0 0 auto;
  position: relative;
  z-index: 2;
  margin-top: 4px;
  padding-top: 2px;
  clear: both;
}
.panel-more,
.panel-advanced {
  flex: 0 0 auto;
  width: 100%;
  position: relative;
  z-index: 2;
}

.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;
  /* Do not use contain:layout — it contributed to live-log / panel overlap. */
}
.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-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: 1.4fr 1fr;
  grid-template-rows: auto auto auto auto;
  grid-template-areas:
    "hero     hero"
    "gallery  history"
    "gallery  downloads"
    "paths    paths";
  overflow: auto;
  align-content: start;
  gap: 14px;
}

/* Gallery occupies the left column across the history + downloads rows.
   Cap height so images scroll independently and the right sidebar stays
   fully visible without scrolling the outer container. */
.view-results .panel-gallery {
  overflow-y: auto;
  max-height: 80vh;
}

.view-results .panel-results-hero { grid-area: hero; }
.view-results .panel-gallery { grid-area: gallery; }
.view-results .panel-results-history { grid-area: history; }
.view-results .panel-downloads { grid-area: downloads; }
.view-results .panel-results-paths { grid-area: paths; }

.results-block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 12px;
}

.results-block-head .panel-title { margin: 0; }
.results-block-head .hint { margin: 0; max-width: 42rem; }

.results-meta {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}

.gallery-sections { display: flex; flex-direction: column; gap: 22px; }

.gallery-section-title {
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--cyan);
}

.gallery-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.30), rgba(0, 229, 255, 0.02));
}

.downloads-row { margin-top: 4px; flex-wrap: wrap; }

.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);
}

.table-wrap {
  max-height: 400px;
  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); }
.status-pill.running.overrun { border-color: var(--warning); color: var(--warning); }

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


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

.panel-env .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(--text-dim);
  background: transparent;
}

.btn-quit:hover {
  border-color: var(--text-dim);
  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-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;
}

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

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

.btn-danger:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Client whose bay window is closed: dim the run controls so the lock reads. */
body.tunnel-locked [data-action],
body.tunnel-locked #btn-upload-model {
  opacity: 0.5;
}

.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;
  gap: 8px;
  min-height: 0;
  height: auto;
  width: 100%;
  flex: 0 0 auto;
  position: relative;
  z-index: 0;
  overflow: visible;
}

.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 {
  /* Fixed scroll box — no CSS resize (that was overlapping More/Advanced). */
  flex: none;
  height: clamp(160px, 28vh, 360px);
  min-height: 140px;
  max-height: none;
  resize: none;
  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;
}
/* Resize handle removed with resize:none — keep rule harmless if re-enabled later. */
.log::-webkit-resizer {
  background: linear-gradient(135deg, transparent 50%, var(--cyan) 50%);
  opacity: 0.55;
}

/* Touch devices: keep the same fixed log height (no resize affordance). */
@media (pointer: coarse) {
  .log { height: clamp(140px, 32vh, 280px); }
}

@media (max-width: 1100px) {
  /* .view-setup itself is plain flow at every width now (see base rule) — only the
     main/side pair is still a real grid (.tunnel-top-row), so it's the only thing that
     needs to collapse to 1 column on a narrower screen. */
  .tunnel-top-row { grid-template-columns: 1fr; }
  .more-grid { grid-template-columns: 1fr; }
  .form-grid-compact { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 960px) {
  /* .view-setup is plain flow now (see base rule) -- grid-template-columns is a no-op
     for it; only .view-results/.view-schedule are still real grids at this width. */
  .view-results,
  .view-schedule { grid-template-columns: 1fr; }
  .view-results {
    grid-template-areas:
      "hero"
      "history"
      "downloads"
      "gallery"
      "paths";
  }
  .view-results .panel-gallery {
    max-height: none;
    overflow-y: visible;
  }
  .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);
}

.bay-clearing-note {
  margin: 0 16px 8px;
  padding: 8px 12px;
  font-size: 12px;
  line-height: 1.45;
  color: var(--warning);
  border: 1px solid rgba(251, 191, 36, 0.4);
  border-radius: 8px;
  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; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 10px;
  margin-top: 10px;
}
.gallery-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  background: var(--input-bg);
  color: var(--text);
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.gallery-card:hover {
  border-color: rgba(0, 229, 255, 0.55);
  box-shadow: 0 0 0 1px rgba(0, 229, 255, 0.14), 0 4px 14px rgba(0, 0, 0, 0.35);
}
.gallery-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #000;
  display: block;
}
.gallery-card span {
  padding: 8px 10px 10px;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--text-dim);
  line-height: 1.4;
}
/* ── Gallery image player (fullscreen viewer) ─────────────────────────────── */
.gallery-player {
  border: none;
  padding: 0;
  margin: 0;
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  background: #05070d;
  color: var(--text);
  overflow: hidden;
}
.gallery-player::backdrop { background: rgba(3, 5, 10, 0.94); }

.player-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  z-index: 3;
  background: linear-gradient(180deg, rgba(5,7,13,0.85), transparent);
}
.player-counter {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}
.player-actions { display: flex; gap: 8px; }
.player-btn {
  min-width: 38px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(17, 29, 54, 0.7);
  color: var(--text);
  font: inherit;
  font-size: 15px;
  cursor: pointer;
}
.player-btn:hover { border-color: var(--cyan); color: var(--cyan); }

.player-stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.gallery-player img {
  max-width: 94vw;
  max-height: 88vh;
  display: block;
  user-select: none;
  transition: transform 0.08s ease-out;
  transform-origin: center center;
  will-change: transform;
}

.player-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 52px;
  height: 72px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(13, 22, 44, 0.6);
  color: var(--text);
  font-size: 34px;
  line-height: 1;
  cursor: pointer;
}
.player-nav:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(13,22,44,0.9); }
.player-prev { left: 14px; }
.player-next { right: 14px; }

.player-cap {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  margin: 0;
  padding: 14px 16px;
  text-align: center;
  font-size: 13px;
  color: var(--text);
  background: linear-gradient(0deg, rgba(5,7,13,0.9), transparent);
  z-index: 3;
}

@media (max-width: 700px) {
  .player-nav { width: 42px; height: 60px; font-size: 26px; }
  .gallery-player img { max-width: 98vw; }
}

/* ── Phone (portrait) — bigger touch targets, tighter layout ─────────────────── */
@media (max-width: 480px) {
  /* Buttons, tabs and inputs get a real ~44px touch target instead of the desktop
     mouse-sized ~32px — the single biggest fix for "this is hard to tap on a phone". */
  .btn {
    min-height: 44px;
    padding: 10px 14px;
    font-size: 14px;
  }
  .tab {
    padding: 12px 14px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .field input,
  .field select {
    min-height: 44px;
    padding: 10px 12px;
    font-size: 15px;  /* 16px+ avoids iOS Safari auto-zoom on focus; 15px is close enough here */
  }

  /* One field per row — two cramped ~150px columns are harder to read/tap than one. */
  .form-grid-compact,
  .more-grid { grid-template-columns: 1fr; }

  /* 4 coefficient cards across a ~360-400px phone leaves ~90px each — too tight for the
     label + a value like "0.3070". 2x2 reads clearly instead. */
  .coef-cards { grid-template-columns: repeat(2, 1fr); }

  /* Log stays a fixed scroll box under the top row; More/Advanced follow below. */
  .log { height: 180px; min-height: 120px; }

  /* Tighter outer padding recovers usable width without changing anything structurally. */
  .main-grid { padding: 6px; gap: 8px; }
  .topbar-inner { padding: 8px 10px; }

  .player-btn { min-width: 42px; height: 38px; }
}

/* z-index: hero + gallery sit in the stacking context above history / downloads / paths.
   Prevents any sticky/fixed children of the lower panels from bleeding through
   the gallery's overflow-y scroll container. */
.view-results .panel-results-hero,
.view-results .panel-gallery {
  position: relative;
  z-index: 2;
}
.view-results .panel-results-history,
.view-results .panel-downloads,
.view-results .panel-results-paths {
  position: relative;
  z-index: 1;
}

/* ── Clean confirmation modal ─────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 9, 20, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  backdrop-filter: blur(2px);
}

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

.modal-box {
  background: var(--panel-hi);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 32px;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
}

.modal-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.modal-body {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 10px;
}

.modal-warn {
  color: var(--warning);
  font-size: 12px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ── Mandatory legal footer (disclaimer + OpenCFD trademark) ───────────────── */
.app-footer {
  flex-shrink: 0;
  padding: 8px 16px 10px;
  border-top: 1px solid var(--border);
  background: var(--panel);
  text-align: center;
}
.footer-disclaimer {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.02em;
}
.footer-trademark {
  font-size: 10px;
  color: var(--text-dim);
  opacity: 0.7;
  margin-top: 3px;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Pipeline stage bar (what stage / how far / ETA) ────────────────────────── */
.stage-bar {
  margin: 10px 0 14px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel-hi);
}
.stage-bar-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.stage-current {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}
.stage-eta {
  font-size: 12px;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.stage-track {
  display: flex;
  gap: 3px;
  height: 8px;
}
.stage-seg {
  flex: 1;
  border-radius: 3px;
  background: var(--border);
  transition: background 0.25s ease;
}
.stage-seg.done { background: var(--cyan); opacity: 0.55; }
.stage-seg.current { background: var(--cyan); opacity: 1; animation: pulse 1.2s ease infinite; }
.stage-seg.failed { background: var(--danger); opacity: 1; }
.stage-elapsed {
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

/* ── Solver-divergence banner (Results tab) ─────────────────────────────────── */
.diverged-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  padding: 8px 12px;
  border: 1px solid rgba(220, 80, 60, 0.45);
  background: rgba(220, 80, 60, 0.12);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
}
.diverged-banner::before { content: "⚠"; color: var(--danger); font-size: 15px; }

/* Beta marker: Slipstream is a validated method but not a finished product. */
.brand-stage {
  margin-top: 2px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ffb020;
}
.login-stage {
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: #ffb020;
}