:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #131a24;
  --panel-2: #182231;
  --text: #e7edf7;
  --muted: #9eabba;
  --line: rgba(255, 255, 255, 0.11);
  --accent: #7dc3ff;
  --accent-2: #aee3a1;
  --danger: #ff7a90;
  --canvas: #05070a;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: radial-gradient(circle at top left, rgba(125, 195, 255, 0.16), transparent 34rem), var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

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

button,
select,
input[type="text"] {
  border: 1px solid var(--line);
  border-radius: 0.72rem;
  background: #0c121b;
  color: var(--text);
}

button,
select,
input[type="text"] {
  padding: 0.62rem 0.72rem;
}

button {
  cursor: pointer;
  background: linear-gradient(180deg, #243246, #172233);
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

button:hover,
button:focus-visible {
  border-color: var(--accent);
  transform: translateY(-1px);
}

button:active {
  transform: translateY(0);
}

button.danger {
  border-color: rgba(255, 122, 144, 0.42);
  color: var(--danger);
}

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

input[type="checkbox"] {
  accent-color: var(--accent-2);
}

.app-header {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
  background: rgba(13, 17, 23, 0.84);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header h1 {
  font-size: clamp(1.05rem, 1.7vw, 1.55rem);
  margin: 0;
  letter-spacing: -0.02em;
}

.app-header p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.status-strip {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.42rem 0.68rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  white-space: nowrap;
  font-size: 0.82rem;
}

.pill.ok {
  color: var(--accent-2);
  border-color: rgba(174, 227, 161, 0.38);
}

.pill.warn {
  color: #ffd58a;
  border-color: rgba(255, 213, 138, 0.38);
}

.layout {
  display: grid;
  grid-template-columns: minmax(18rem, 23rem) 1fr;
  gap: 1rem;
  padding: 1rem;
  align-items: start;
}

.sidebar {
  display: grid;
  gap: 1rem;
  position: sticky;
  top: 5.2rem;
  max-height: calc(100vh - 6rem);
  overflow: auto;
  padding-right: 0.25rem;
}

.card,
.view-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(24, 34, 49, 0.94), rgba(19, 26, 36, 0.94));
  box-shadow: var(--shadow);
}

.card {
  padding: 1rem;
}

.card h2,
.view-card h2 {
  font-size: 0.96rem;
  margin: 0 0 0.8rem;
  letter-spacing: 0.01em;
}

label {
  display: grid;
  gap: 0.38rem;
  margin: 0.72rem 0;
  color: var(--muted);
  font-size: 0.86rem;
}

label .value,
.value {
  float: right;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.button-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 0.7rem;
}

.button-row:has(button:nth-child(3)) {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.35rem 0.65rem;
  margin-top: 0.6rem;
}

.checkbox-grid label,
.file-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
}

.file-label {
  margin-top: 0.7rem;
  flex-direction: column;
  align-items: flex-start;
}

.object-editor {
  border-top: 1px solid var(--line);
  margin-top: 0.8rem;
  padding-top: 0.8rem;
}

.workspace {
  min-width: 0;
  display: grid;
  gap: 1rem;
}

.view-grid {
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) minmax(18rem, 1fr) minmax(18rem, 1fr);
  gap: 1rem;
  align-items: stretch;
}

.view-card {
  min-width: 0;
  overflow: hidden;
}

.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  border-bottom: 1px solid var(--line);
  padding: 0.85rem 1rem;
}

.view-header h2 {
  margin: 0;
}

.view-header span {
  color: var(--muted);
  font-size: 0.82rem;
}

canvas {
  display: block;
  width: 100%;
  background: var(--canvas);
}

#sceneCanvas,
#bmodeCanvas {
  aspect-ratio: 8 / 11;
}

#waveCanvas {
  aspect-ratio: 16 / 11;
  border-bottom: 1px solid var(--line);
}

#rfCanvas {
  aspect-ratio: 16 / 7;
  border-bottom: 1px solid var(--line);
}

#alineCanvas {
  aspect-ratio: 16 / 6;
}

.analysis-grid {
  display: grid;
  grid-template-columns: minmax(20rem, 1fr) minmax(20rem, 1fr);
  gap: 1rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 0.65rem;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  padding: 0.72rem;
  background: rgba(255, 255, 255, 0.035);
}

.metric strong {
  display: block;
  font-size: 1.08rem;
  margin-top: 0.2rem;
  font-variant-numeric: tabular-nums;
}

.metric span {
  color: var(--muted);
  font-size: 0.8rem;
}

.metric small {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
  line-height: 1.35;
}

.pipeline-steps {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
  line-height: 1.55;
}

.pipeline-steps li.active {
  color: var(--accent-2);
}

@media (max-width: 1320px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    max-height: none;
    grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  }
}

@media (max-width: 1080px) {
  .view-grid,
  .analysis-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .layout {
    padding: 0.65rem;
  }

  .button-row,
  .button-row:has(button:nth-child(3)),
  .checkbox-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}