:root {
  color-scheme: dark;
  --bg: #070a0f;
  --panel: #0f1620;
  --panel-soft: #131d29;
  --panel-strong: #0a1018;
  --line: #253548;
  --line-soft: rgba(148, 163, 184, 0.2);
  --text: #e8f1fb;
  --muted: #93a8bf;
  --blue: #3378f6;
  --cyan: #19d6c3;
  --green: #24c58d;
  --amber: #f2b84d;
  --red: #fb7185;
  --shadow: 0 20px 52px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(51, 120, 246, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(25, 214, 195, 0.045) 1px, transparent 1px),
    #070a0f;
  background-size: 72px 72px;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.topbar {
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 10, 15, 0.95);
}

.brand,
.top-actions,
.viewer-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  width: 31px;
  height: 31px;
  flex: 0 0 auto;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 22px rgba(25, 214, 195, 0.22);
}

.brand h1,
.login-panel h1 {
  margin: 0;
  font-size: 18px;
  line-height: 1.15;
}

.brand p,
.login-panel p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

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

.viewer-tools {
  flex: 0 0 auto;
}

.top-actions .ghost-btn,
.viewer-tools .ghost-btn,
.viewer-tools .primary-btn,
.viewer-tools .state-btn {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03), 0 8px 20px rgba(0, 0, 0, 0.18);
}

.workspace {
  height: calc(100vh - 66px);
  display: grid;
  grid-template-columns: 338px minmax(0, 1fr);
  gap: 12px;
  padding: 12px;
}

.panel {
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(15, 22, 32, 0.96), rgba(10, 16, 24, 0.96));
  box-shadow: var(--shadow);
}

.panel-head {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
}

.panel-head.compact {
  min-height: 42px;
  padding: 10px 12px;
}

.panel-head h2,
.case-strip h2 {
  margin: 0;
  font-size: 17px;
  line-height: 1.2;
}

.panel-head p,
.case-strip p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

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

.search-input,
.login-panel input,
.notes {
  width: calc(100% - 28px);
  margin: 0 14px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(6, 10, 15, 0.86);
  color: var(--text);
  outline: none;
}

.search-input,
.login-panel input {
  height: 40px;
  padding: 0 12px;
}

.notes {
  min-height: 58px;
  resize: none;
  padding: 10px;
}

.filter-row,
.part-filter,
.chip-rail,
.tag-line {
  display: flex;
  gap: 8px;
  padding: 0 14px 10px;
  overflow-x: auto;
}

.filter,
.chip,
.tag,
.status-pill,
.ghost-btn,
.primary-btn,
.state-btn {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  border-radius: 10px;
  font-weight: 800;
}

.filter,
.chip,
.tag {
  border: 1px solid var(--line);
  background: rgba(8, 13, 20, 0.82);
  color: #b7c7dc;
  font-size: 12px;
  padding: 0 10px;
}

.filter.active,
.chip.active {
  border-color: rgba(25, 214, 195, 0.78);
  color: #ccfbf1;
  background: rgba(20, 184, 166, 0.16);
}

.tag {
  min-height: 24px;
  border-radius: 999px;
  font-style: normal;
}

.tag.green {
  border-color: rgba(36, 197, 141, 0.58);
  color: #b8f7da;
  background: rgba(36, 197, 141, 0.11);
}

.tag.amber {
  border-color: rgba(242, 184, 77, 0.62);
  color: #ffe1a6;
  background: rgba(242, 184, 77, 0.13);
}

.tag.red {
  border-color: rgba(251, 113, 133, 0.62);
  color: #fecdd3;
  background: rgba(251, 113, 133, 0.12);
}

.case-list,
.series-list,
.stl-list {
  min-height: 0;
  overflow-y: auto;
  padding: 4px 12px 12px;
}

.case-list {
  flex: 1;
}

.case-card,
.series-card,
.stl-row {
  width: 100%;
  display: block;
  margin: 0 0 10px;
  border: 1px solid transparent;
  border-radius: 14px;
  background: rgba(9, 15, 23, 0.88);
  color: var(--text);
  text-align: left;
}

.case-card,
.series-card {
  padding: 13px;
}

.case-card.active,
.series-card.active,
.stl-row.active {
  border-color: rgba(51, 120, 246, 0.92);
  background: linear-gradient(180deg, rgba(20, 45, 88, 0.96), rgba(10, 18, 31, 0.96));
}

.case-card strong,
.series-card strong {
  display: block;
  max-width: 100%;
  overflow: hidden;
  color: #f1f7ff;
  font-size: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case-card span,
.series-card span,
.case-card small,
.series-card small,
.stl-row small {
  display: block;
  margin-top: 6px;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-tags {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  max-width: 100%;
  margin-top: 9px;
  overflow-x: auto;
  scrollbar-width: none;
}

.mini-tags::-webkit-scrollbar {
  display: none;
}

.mini-tags i {
  min-height: 22px;
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  border: 1px solid rgba(25, 214, 195, 0.5);
  border-radius: 999px;
  background: rgba(20, 184, 166, 0.12);
  color: #ccfbf1;
  font-size: 11px;
  font-style: normal;
  font-weight: 800;
  padding: 0 8px;
}

.case-card .tag {
  flex: 0 0 auto;
}

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

.main-panel {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 12px;
}

.case-strip {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
}

.case-strip .tag-line {
  padding: 0;
}

.work-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: 300px minmax(420px, 1fr) 330px;
  gap: 12px;
}

.series-panel,
.right-panel {
  min-height: 0;
}

.series-panel,
.stl-panel,
.pose-panel {
  display: flex;
  flex-direction: column;
}

.right-panel {
  display: grid;
  grid-template-rows: minmax(220px, 0.88fr) minmax(320px, 1.12fr);
  gap: 12px;
}

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

.viewer-head {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}

.segmented {
  display: flex;
  flex: 0 0 auto;
  gap: 7px;
  overflow-x: auto;
}

.segmented button {
  min-width: 72px;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(18, 28, 42, 0.88);
  color: #c6d4e5;
  font-weight: 900;
}

.segmented button.active {
  border-color: rgba(51, 120, 246, 0.9);
  background: var(--blue);
  color: white;
}

.ghost-btn,
.primary-btn,
.state-btn {
  flex: 0 0 auto;
  min-height: 34px;
  border: 1px solid rgba(148, 163, 184, 0.34);
  padding: 0 12px;
  background: linear-gradient(180deg, rgba(25, 38, 56, 0.95), rgba(9, 15, 23, 0.95));
  color: var(--text);
}

.ghost-btn:disabled,
.primary-btn:disabled,
.state-btn:disabled {
  cursor: wait;
  opacity: 0.62;
}

.ghost-btn.accent {
  border-color: rgba(25, 214, 195, 0.56);
  color: #bffbf2;
}

.primary-btn {
  border-color: rgba(51, 120, 246, 0.85);
  background: var(--blue);
  color: white;
}

.state-btn {
  border-color: rgba(36, 197, 141, 0.62);
  color: #b8f7da;
  background: rgba(36, 197, 141, 0.14);
}

.state-btn.unregistered {
  border-color: rgba(242, 184, 77, 0.66);
  color: #ffe1a6;
  background: rgba(242, 184, 77, 0.12);
}

.status-pill {
  height: 31px;
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 0 12px;
  font-size: 12px;
}

.status-pill.online {
  border-color: rgba(36, 197, 141, 0.54);
  color: #b8f7da;
  background: rgba(36, 197, 141, 0.1);
}

.status-pill.offline {
  border-color: rgba(251, 113, 133, 0.6);
  color: #fecdd3;
  background: rgba(251, 113, 133, 0.1);
}

.user-badge {
  max-width: 140px;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#saveState.ok {
  color: #b8f7da;
}

#saveState.warn {
  color: #ffe1a6;
}

#saveState.error {
  color: #fecdd3;
}

.fusion-stage {
  position: relative;
  min-height: 0;
  background: #000;
}

#fusionViewport {
  position: absolute;
  inset: 0;
}

#fusionViewport canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

.fusion-hud {
  position: absolute;
  z-index: 4;
  max-width: 46%;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.58);
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
  font-weight: 800;
  padding: 8px 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fusion-hud.left {
  top: 14px;
  left: 14px;
}

.fusion-hud.right {
  top: 14px;
  right: 14px;
}

.fusion-loading {
  position: absolute;
  left: 40px;
  right: 40px;
  bottom: 24px;
  z-index: 5;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 13px;
  background: rgba(0, 0, 0, 0.68);
  padding: 12px;
}

.fusion-loading span {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 900;
}

.fusion-loading div {
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.fusion-loading i,
.top-loading span {
  display: block;
  height: 100%;
  width: 34%;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--blue), transparent);
  animation: sweep 1.1s ease-in-out infinite;
}

.top-loading {
  position: fixed;
  top: 66px;
  left: 0;
  right: 0;
  z-index: 30;
  height: 3px;
  background: rgba(37, 53, 72, 0.82);
  overflow: hidden;
}

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

.slice-row {
  height: 48px;
  display: grid;
  grid-template-columns: 98px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 0 14px;
  border-top: 1px solid var(--line);
}

.slice-row span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

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

.stl-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 10px;
}

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

.stl-row strong {
  display: block;
  overflow: hidden;
  color: #e8f1fb;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pose-grid {
  display: grid;
  gap: 10px;
  padding: 0 12px 12px;
}

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

.pose-control label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.pose-control input[type="number"] {
  width: 100%;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(6, 10, 15, 0.86);
  color: var(--text);
  text-align: right;
  padding: 0 7px;
}

.flip-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 0 12px 12px;
}

.flip-row button {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(8, 13, 20, 0.82);
  color: #c6d4e5;
  font-weight: 900;
}

.flip-row button.active {
  border-color: rgba(25, 214, 195, 0.78);
  color: #ccfbf1;
  background: rgba(20, 184, 166, 0.16);
}

.empty-state {
  padding: 22px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.login-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 8, 12, 0.92);
  backdrop-filter: blur(12px);
}

.login-panel {
  width: min(420px, calc(100vw - 36px));
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(19, 29, 41, 0.98), rgba(10, 16, 24, 0.98));
  box-shadow: var(--shadow);
  padding: 26px;
}

.login-panel .brand-mark {
  margin-bottom: 14px;
}

.login-panel input {
  width: 100%;
  margin: 12px 0 0;
}

.login-panel button {
  width: 100%;
  min-height: 40px;
  margin-top: 14px;
  border: 0;
  border-radius: 10px;
  background: var(--blue);
  color: white;
  font-weight: 900;
}

#loginError {
  display: block;
  min-height: 18px;
  margin-top: 10px;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
}

@media (max-width: 1500px) {
  .workspace {
    grid-template-columns: 310px minmax(0, 1fr);
  }

  .work-grid {
    grid-template-columns: 270px minmax(360px, 1fr) 300px;
  }
}