:root {
  color-scheme: dark;
  --bg: #070b10;
  --panel: #101720;
  --panel-2: #0b1118;
  --panel-3: #070b10;
  --line: #243344;
  --line-strong: #3a5773;
  --text: #eaf2fb;
  --muted: #93a8c0;
  --blue: #3378f6;
  --cyan: #17d6c1;
  --green: #21c58a;
  --amber: #efb84d;
  --red: #fb7185;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(51, 120, 246, 0.07) 1px, transparent 1px),
    linear-gradient(180deg, rgba(23, 214, 193, 0.055) 1px, transparent 1px),
    radial-gradient(circle at 16% 0%, rgba(23, 214, 193, 0.12), transparent 27%),
    var(--bg);
  background-size: 80px 80px, 80px 80px, auto;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.topbar {
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 11, 16, 0.93);
}

.brand,
.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 24px rgba(23, 214, 193, 0.24);
}

.brand h1 {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
}

.brand p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.top-actions {
  justify-content: flex-end;
  gap: 9px;
}

.top-loading {
  position: fixed;
  top: 66px;
  left: 0;
  right: 0;
  z-index: 20;
  height: 3px;
  overflow: hidden;
  background: rgba(36, 51, 68, 0.75);
}

.top-loading span {
  position: absolute;
  inset-block: 0;
  width: 34%;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--blue), transparent);
  animation: loading-sweep 1.15s ease-in-out infinite;
}

@keyframes loading-sweep {
  from {
    transform: translateX(-110%);
  }
  to {
    transform: translateX(320%);
  }
}

.dark-btn,
.primary-btn,
.warn-btn,
.icon-btn {
  min-height: 34px;
  border: 1px solid rgba(147, 168, 192, 0.36);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(24, 36, 52, 0.96), rgba(10, 17, 25, 0.96));
  color: var(--text);
  font-weight: 700;
}

.dark-btn {
  padding: 0 13px;
}

.dark-btn.accent {
  border-color: rgba(23, 214, 193, 0.62);
  color: #bffbf2;
  background: linear-gradient(180deg, rgba(15, 57, 66, 0.96), rgba(8, 27, 37, 0.96));
}

.primary-btn {
  padding: 0 14px;
  border-color: rgba(51, 120, 246, 0.8);
  background: var(--blue);
  color: white;
}

.warn-btn {
  padding: 0 14px;
  border-color: rgba(239, 184, 77, 0.6);
  background: rgba(239, 184, 77, 0.14);
  color: #ffe1a6;
}

.icon-btn {
  height: 32px;
  padding: 0 12px;
  font-size: 12px;
}

.dark-btn:hover,
.icon-btn:hover {
  border-color: rgba(51, 120, 246, 0.84);
  background: #172334;
}

.user-badge {
  max-width: 150px;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-pill {
  min-width: 90px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.status-pill.online {
  border-color: rgba(33, 197, 138, 0.48);
  color: #a8f4d6;
  background: rgba(33, 197, 138, 0.08);
}

.status-pill.offline {
  border-color: rgba(251, 113, 133, 0.5);
  color: #fecdd3;
  background: rgba(251, 113, 133, 0.08);
}

.workspace {
  height: calc(100vh - 66px);
  display: grid;
  grid-template-columns: 410px minmax(0, 1fr);
  gap: 12px;
  padding: 12px;
}

.left-rail {
  min-height: 0;
  display: grid;
  grid-template-rows: 210px minmax(160px, 0.82fr) minmax(250px, 1.12fr) minmax(300px, 0.9fr);
  gap: 10px;
  overflow: hidden;
}

.viewer-shell {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 10px;
}

.panel,
.viewport-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(16, 23, 32, 0.92);
  box-shadow: var(--shadow);
}

.search-panel,
.stacked-panel,
.registration-panel,
.hero-strip {
  padding: 12px;
}

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

.panel-head,
.viewport-head,
.hero-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.panel-head h2,
.viewport-head h3,
.hero-strip h2 {
  margin: 0;
  font-size: 15px;
}

.panel-head span,
.viewport-head span,
.hero-strip p {
  color: var(--muted);
  font-size: 12px;
}

.hero-strip p {
  margin: 4px 0 0;
}

.search-input,
.notes,
.tool-row select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: 0;
  background: #080d14;
  color: var(--text);
}

.search-input {
  height: 38px;
  margin-top: 10px;
  padding: 0 12px;
}

.notes {
  min-height: 42px;
  resize: vertical;
  padding: 8px 10px;
}

.search-input:focus,
.notes:focus,
.tool-row select:focus {
  border-color: rgba(51, 120, 246, 0.72);
}

.case-list,
.series-list,
.stl-list {
  min-height: 0;
  overflow: auto;
  scrollbar-width: thin;
}

.case-list {
  height: 138px;
  margin-top: 10px;
}

.series-list,
.stl-list {
  flex: 1 1 auto;
  height: auto;
  margin-top: 10px;
}

.case-card,
.series-card,
.stl-row {
  width: 100%;
  display: grid;
  gap: 6px;
  margin-bottom: 8px;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: #0b1118;
  color: var(--text);
  text-align: left;
}

.case-card.active,
.series-card.active,
.stl-row.active {
  border-color: rgba(23, 214, 193, 0.8);
  background: rgba(18, 37, 46, 0.92);
}

.case-card strong,
.series-card strong,
.stl-row strong {
  overflow: hidden;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case-card span,
.case-card small,
.series-card span,
.series-card small,
.stl-row span,
.stl-row small {
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.tag-line,
.hero-tags,
.chip-rail {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: thin;
}

.stacked-panel .chip-rail {
  flex: 0 0 auto;
  min-height: 30px;
  margin-top: 8px;
}

.tag,
.chip {
  flex: 0 0 auto;
  max-width: 132px;
  padding: 2px 7px;
  overflow: hidden;
  border: 1px solid rgba(23, 214, 193, 0.42);
  border-radius: 999px;
  color: #bffbf2;
  background: rgba(23, 214, 193, 0.08);
  font-size: 11px;
  font-style: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tag.warn {
  border-color: rgba(239, 184, 77, 0.55);
  color: #ffe1a6;
  background: rgba(239, 184, 77, 0.09);
}

.tag.locked {
  border-color: rgba(51, 120, 246, 0.56);
  color: #cfe0ff;
  background: rgba(51, 120, 246, 0.11);
}

.chip {
  cursor: pointer;
}

.chip.active {
  border-color: var(--cyan);
  background: rgba(23, 214, 193, 0.18);
}

.segmented {
  display: flex;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #080d14;
}

.segmented.small {
  margin-top: 10px;
}

.segmented button {
  flex: 1;
  height: 28px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
}

.segmented button.active {
  background: var(--blue);
  color: white;
}

.stl-row {
  grid-template-columns: 18px minmax(0, 1fr) auto;
  align-items: center;
}

.stl-row input {
  margin: 0;
}

.registration-panel {
  display: grid;
  gap: 10px;
  min-height: 0;
  overflow: auto;
}

.pose-grid {
  display: grid;
  gap: 7px;
}

.pose-control {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) 72px;
  align-items: center;
  gap: 8px;
}

.pose-control label {
  color: var(--muted);
  font-size: 12px;
}

.pose-control input[type="range"] {
  width: 100%;
  accent-color: var(--cyan);
}

.pose-control input[type="number"] {
  width: 72px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #080d14;
  color: var(--text);
  text-align: right;
}

.flip-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
}

.flip-row button {
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #080d14;
  color: var(--muted);
  font-weight: 800;
}

.flip-row button.active {
  border-color: rgba(23, 214, 193, 0.72);
  color: #bffbf2;
  background: rgba(23, 214, 193, 0.13);
}

.action-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.viewer-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
}

.viewport-card {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
}

.fusion-card,
.segmentation-card {
  grid-template-rows: auto minmax(0, 1fr);
}

.viewport-head {
  min-height: 52px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: rgba(11, 17, 24, 0.86);
}

.tool-row {
  display: flex;
  gap: 8px;
}

.tool-row select {
  width: 94px;
  height: 32px;
  padding: 0 8px;
}

.image-stage,
.segmentation-stage,
.three-stage {
  position: relative;
  min-height: 0;
  overflow: hidden;
  background: #000;
}

.image-stage,
.segmentation-stage {
  display: grid;
  place-items: center;
}

.image-stage img,
.segmentation-stage img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  image-rendering: auto;
}

.segmentation-stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  color: rgba(234, 242, 251, 0.44);
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.slice-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 72px;
  gap: 10px;
  align-items: center;
  height: 42px;
  padding: 0 12px;
  border-top: 1px solid var(--line);
  background: rgba(11, 17, 24, 0.86);
}

.slice-row input {
  width: 100%;
  accent-color: var(--cyan);
}

.slice-row span {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  background: rgba(7, 11, 16, 0.78);
  backdrop-filter: blur(8px);
}

.login-panel {
  width: min(390px, calc(100vw - 32px));
  display: grid;
  gap: 12px;
  padding: 24px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(16, 23, 32, 0.96);
  box-shadow: var(--shadow);
}

.login-panel h2 {
  margin: 0;
  font-size: 18px;
}

.login-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.login-panel .search-input {
  margin-top: 0;
}

.error-line {
  min-height: 18px;
  color: #fecdd3;
  font-size: 12px;
}

@media (max-width: 1320px) {
  .workspace {
    grid-template-columns: 360px minmax(0, 1fr);
  }

  .viewer-grid {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: repeat(4, minmax(360px, 1fr));
    overflow: auto;
  }
}

@media (max-width: 900px) {
  body {
    overflow: auto;
  }

  .topbar,
  .workspace {
    height: auto;
  }

  .topbar,
  .workspace,
  .left-rail,
  .viewer-shell {
    display: grid;
    grid-template-columns: 1fr;
  }

  .top-actions {
    flex-wrap: wrap;
    justify-content: start;
  }

  .left-rail {
    grid-template-rows: auto;
  }
}