:root {
  --bg: #08131e;
  --bg-elevated: rgba(10, 19, 30, 0.92);
  --bg-soft: rgba(15, 28, 42, 0.88);
  --panel: rgba(12, 23, 34, 0.9);
  --panel-strong: rgba(11, 21, 31, 0.96);
  --line: rgba(201, 170, 109, 0.18);
  --line-strong: rgba(201, 170, 109, 0.32);
  --text: #eef2f6;
  --muted: #9ca9bb;
  --gold: #c9aa6d;
  --gold-bright: #e0c78b;
  --silver: #d3dae2;
  --danger: #ef7d76;
  --warning: #d7b26d;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Gotham", "Montserrat", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(201, 170, 109, 0.11), transparent 32%),
    radial-gradient(circle at right center, rgba(89, 118, 156, 0.12), transparent 24%),
    linear-gradient(180deg, #07111b 0%, #091623 45%, #060f17 100%);
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.02)),
    repeating-linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.015) 0,
      rgba(255, 255, 255, 0.015) 2px,
      transparent 2px,
      transparent 10px
    );
  opacity: 0.35;
  pointer-events: none;
}

a {
  color: var(--silver);
}

button,
select,
input {
  font: inherit;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  color: var(--gold-bright);
}

.portal-app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 24px;
}

.topbar,
.toolbar-card,
.stage-card,
.timeline-card,
.panel-shell {
  background: linear-gradient(180deg, rgba(16, 28, 41, 0.92), rgba(10, 18, 28, 0.94));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.topbar {
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 18px;
  min-width: 0;
}

.brand-logo {
  width: min(28vw, 240px);
  max-width: 240px;
  min-width: 160px;
  height: auto;
}

.brand-copy {
  min-width: 0;
}

.brand-copy h1,
.stage-card h2,
.panel-shell h3,
.viewer3d-toolbar h3,
.viewer3d-fallback h3,
.overview-panel h3,
.empty-panel h3 {
  margin: 0;
  letter-spacing: 0.02em;
}

.brand-copy__project {
  margin: 8px 0 0;
  color: var(--muted);
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.topbar-meta {
  display: flex;
  align-items: stretch;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.meta-card {
  min-width: 132px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.03);
}

.meta-card span {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.meta-card strong {
  display: block;
  line-height: 1.35;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 20px;
  flex: 1;
  min-height: 0;
}

.workspace {
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 18px;
  min-height: 0;
}

.toolbar-card,
.timeline-card {
  padding: 18px;
}

.toolbar-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.toolbar-actions,
.timeline-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.field,
.range-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field span,
.range-field span {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.field select,
.range-field input,
.button {
  min-height: 46px;
}

select,
input[type="range"] {
  width: 100%;
}

select {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 0 14px;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    rgba(9, 17, 27, 0.9);
}

input[type="range"] {
  accent-color: var(--gold);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 14px;
  border: 1px solid transparent;
  padding: 0 16px;
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    background 140ms ease,
    opacity 140ms ease;
}

.button:hover,
.segmented__button:hover,
.timeline-mark:hover,
details summary:hover {
  transform: translateY(-1px);
}

.button:disabled,
.segmented__button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
}

.button--ghost,
.button--subtle,
.segmented__button,
.timeline-mark {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}

.button--ghost:hover,
.button--subtle:hover,
.segmented__button:hover,
.timeline-mark:hover {
  border-color: var(--line-strong);
}

.button.is-error {
  border-color: rgba(239, 125, 118, 0.38);
  color: #ffd0cb;
}

.segmented {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.segmented--compact {
  justify-content: flex-end;
}

.segmented__button {
  min-height: 44px;
  padding: 0 15px;
  border-radius: 12px;
  border-style: solid;
  color: var(--text);
}

.segmented__button.is-active,
.button--subtle.is-active,
.timeline-mark.is-active {
  background: linear-gradient(180deg, rgba(201, 170, 109, 0.18), rgba(201, 170, 109, 0.1));
  border-color: rgba(201, 170, 109, 0.38);
  color: #fff4d4;
}

.range-value {
  min-width: 48px;
  color: var(--gold-bright);
}

.stage-card {
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: 18px;
}

.stage-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.status-pill {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--silver);
  font-size: 0.9rem;
}

.status-pill[data-tone="warning"] {
  color: #ffe5b0;
  border-color: rgba(215, 178, 109, 0.35);
}

.status-pill[data-tone="error"] {
  color: #ffd0cb;
  border-color: rgba(239, 125, 118, 0.38);
}

.stage-frame {
  position: relative;
  flex: 1;
  min-height: 560px;
  border-radius: 22px;
  overflow: hidden;
  background: radial-gradient(circle at top, rgba(201, 170, 109, 0.08), transparent 28%), #07111a;
}

.stage-frame:fullscreen {
  width: 100vw;
  height: 100vh;
  border-radius: 0;
  background: #07111a;
}

.stage-frame:fullscreen .stage-view {
  opacity: 1;
}

.stage-view {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.stage-view.is-active {
  opacity: 1;
  pointer-events: auto;
}

.timeline-card {
  padding-bottom: 16px;
}

.timeline-buttons {
  display: flex;
  gap: 10px;
}

.timeline-current {
  margin-left: auto;
  color: var(--gold-bright);
}

.timeline-marks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.timeline-mark {
  border-style: solid;
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--muted);
}

.timeline-mark.is-secondary {
  border-color: rgba(211, 218, 226, 0.22);
  color: var(--silver);
}

.panel-shell {
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.panel-shell__header {
  padding: 18px 18px 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.panel-content {
  padding: 16px 18px 18px;
  overflow: auto;
}

.overview-panel,
.empty-panel {
  display: grid;
  gap: 18px;
}

.overview-copy p:last-child,
.overview-highlight p,
.viewer3d-note,
.deliverable-group__notes p,
.deliverable-card__description,
.empty-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.overview-highlight,
.metadata-card,
.deliverable-card,
.viewer3d-toolbar,
.viewer3d-fallback,
.deliverable-group,
.deliverable-group__notes {
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
}

.overview-highlight {
  padding: 16px;
}

.overview-highlight span,
.metadata-card span {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.metadata-grid {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: 12px;
}

.metadata-card {
  padding: 16px;
}

.overview-section h4,
.deliverable-section h4 {
  margin: 0 0 10px;
}

.overview-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 10px;
}

.deliverable-group {
  overflow: hidden;
  margin-bottom: 14px;
}

.deliverable-group.is-active {
  border-color: rgba(201, 170, 109, 0.32);
}

.deliverable-group summary {
  list-style: none;
  cursor: pointer;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.deliverable-group summary::-webkit-details-marker {
  display: none;
}

.deliverable-group__date {
  display: block;
  color: var(--gold-bright);
  margin-bottom: 6px;
}

.deliverable-group__tag,
.deliverable-card__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(201, 170, 109, 0.12);
  border: 1px solid rgba(201, 170, 109, 0.22);
  color: #fff2ca;
  font-size: 0.78rem;
}

.deliverable-group__body {
  display: grid;
  gap: 16px;
  padding: 0 16px 16px;
}

.deliverable-group__notes {
  padding: 14px;
}

.deliverable-section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.deliverable-section__header span {
  color: var(--muted);
}

.deliverable-section__grid {
  display: grid;
  gap: 12px;
}

.deliverable-card {
  padding: 14px;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
}

.deliverable-card__media {
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.deliverable-card__icon,
.deliverable-card__thumb {
  width: 64px;
  height: 64px;
  border-radius: 16px;
}

.deliverable-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, rgba(201, 170, 109, 0.22), rgba(201, 170, 109, 0.1));
  color: var(--gold-bright);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.deliverable-card__thumb {
  object-fit: cover;
}

.deliverable-card__body {
  display: grid;
  gap: 10px;
}

.deliverable-card__eyebrow {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 0.82rem;
}

.deliverable-card h4 {
  margin: 0;
}

.deliverable-empty {
  margin: 0;
  color: var(--muted);
}

.compare-shell,
.compare-map,
.compare-clip,
.viewer3d-shell,
.viewer3d-frame,
.viewer3d-model,
.viewer3d-embed {
  width: 100%;
  height: 100%;
}

.compare-shell {
  position: relative;
  overflow: hidden;
  background: #07111a;
}

.compare-map,
.compare-clip {
  position: absolute;
  inset: 0;
}

.compare-clip {
  clip-path: inset(0 0 0 56%);
}

.compare-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 56%;
  width: 2px;
  background: linear-gradient(180deg, rgba(224, 199, 139, 0.9), rgba(201, 170, 109, 0.55));
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.18),
    0 0 24px rgba(201, 170, 109, 0.28);
  transform: translateX(-1px);
  cursor: ew-resize;
}

.compare-divider__handle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 44px;
  height: 44px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(9, 18, 28, 0.96);
  border: 1px solid rgba(201, 170, 109, 0.36);
}

.compare-divider__handle::before,
.compare-divider__handle::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--gold);
  border-right: 2px solid var(--gold);
}

.compare-divider__handle::before {
  left: 11px;
  transform: translateY(-50%) rotate(225deg);
}

.compare-divider__handle::after {
  right: 11px;
  transform: translateY(-50%) rotate(45deg);
}

.compare-label {
  position: absolute;
  top: 18px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(9, 18, 28, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--silver);
  backdrop-filter: blur(12px);
}

.compare-label--left {
  left: 18px;
}

.compare-label--right {
  right: 18px;
}

.viewer3d-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 14px;
  padding: 18px;
}

.viewer3d-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px;
}

.viewer3d-toolbar__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.viewer3d-frame {
  min-height: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background:
    radial-gradient(circle at top, rgba(201, 170, 109, 0.12), transparent 28%),
    linear-gradient(180deg, #0b1622 0%, #050c13 100%);
}

.viewer3d-model {
  background:
    radial-gradient(circle at top, rgba(201, 170, 109, 0.1), transparent 30%),
    linear-gradient(180deg, #0a1521 0%, #07111a 100%);
}

.viewer3d-embed {
  border: 0;
}

.viewer3d-fallback {
  height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 28px;
}

.viewer3d-fallback p,
.viewer3d-note {
  max-width: 760px;
}

.mapboxgl-ctrl-group {
  border-radius: 14px !important;
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24) !important;
}

.mapboxgl-ctrl-group button {
  background: rgba(7, 18, 28, 0.92) !important;
}

.mapboxgl-ctrl-group button span {
  filter: brightness(1.6);
}

.mapboxgl-ctrl-bottom-right .mapboxgl-ctrl {
  margin: 0 12px 12px 0 !important;
}

@media (max-width: 1320px) {
  .toolbar-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1100px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .panel-shell {
    min-height: 320px;
  }
}

@media (max-width: 860px) {
  .portal-app {
    padding: 14px;
  }

  .topbar,
  .panel-shell__header,
  .stage-card,
  .toolbar-card,
  .timeline-card {
    padding-left: 16px;
    padding-right: 16px;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .brand-lockup {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-logo {
    width: min(70vw, 280px);
  }

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

  .stage-card__header,
  .viewer3d-toolbar,
  .panel-shell__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline-current {
    margin-left: 0;
  }

  .stage-frame {
    min-height: 470px;
  }
}

@media (max-width: 640px) {
  .toolbar-grid {
    grid-template-columns: 1fr;
  }

  .toolbar-actions,
  .timeline-controls,
  .viewer3d-toolbar__actions,
  .topbar-meta {
    width: 100%;
  }

  .button,
  .segmented__button,
  select {
    width: 100%;
  }

  .segmented,
  .timeline-buttons {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .panel-shell__header .segmented {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stage-frame {
    min-height: 380px;
  }

  .deliverable-card {
    grid-template-columns: 1fr;
  }
}