:root {
  --bg: #12151a;
  --bg-panel: #1a1e25;
  --bg-panel-2: #20252e;
  --border: #2b323d;
  --text: #e8eaed;
  --text-dim: #9aa4b2;
  --accent: #ff8a3d;
  --accent-2: #4fc3f7;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
}

header.top {
  padding: 32px 20px 12px;
  text-align: center;
}

header.top h1 {
  margin: 0 0 6px;
  font-size: 1.7rem;
  letter-spacing: -0.01em;
}

.subtitle {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.95rem;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

.search-panel {
  position: relative;
  max-width: 640px;
  margin: 0 auto 24px;
}

.search-box {
  display: flex;
  gap: 8px;
}

#searchInput {
  flex: 1;
  padding: 14px 16px;
  font-size: 1rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}

#searchInput:focus {
  border-color: var(--accent-2);
}

#randomBtn {
  padding: 0 18px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  cursor: pointer;
  font-size: 0.9rem;
}

#randomBtn:hover {
  border-color: var(--accent);
}

.suggestions {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  z-index: 20;
  box-shadow: 0 12px 28px rgba(0,0,0,0.4);
}

.suggestion-item {
  padding: 10px 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.92rem;
}

.suggestion-item:hover, .suggestion-item.active {
  background: var(--bg-panel-2);
}

.suggestion-item .s-name { color: var(--text); }
.suggestion-item .s-meta { color: var(--text-dim); font-size: 0.82rem; }

.hint-box {
  margin-top: 10px;
  padding: 10px 14px;
  background: rgba(79,195,247,0.08);
  border: 1px solid rgba(79,195,247,0.35);
  border-radius: 8px;
  font-size: 0.88rem;
  color: var(--accent-2);
}

.chips {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.chip {
  padding: 6px 12px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.82rem;
  color: var(--text-dim);
  cursor: pointer;
}

.chip:hover {
  color: var(--text);
  border-color: var(--accent-2);
}

.content {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
}

@media (max-width: 760px) {
  .content { grid-template-columns: 1fr; }
}

.side-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-panel, .sub-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
}

.sub-panel h3 {
  margin: 0 0 12px;
  font-size: 1rem;
}

.sub-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.sub-presets .chip.active {
  color: var(--text);
  border-color: var(--accent);
}

.sub-custom {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.sub-custom label {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.72rem;
  color: var(--text-dim);
}

.sub-custom input {
  width: 100%;
  padding: 8px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.85rem;
}

.sub-custom span {
  display: none;
}

.sub-actions {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.sub-actions button {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--accent);
  color: #1a1206;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
}

.sub-actions button.ghost {
  background: transparent;
  color: var(--text-dim);
}

.sub-actions button.ghost:hover {
  color: var(--text);
  border-color: var(--accent-2);
}

.sub-status {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
  margin-bottom: 10px;
  line-height: 1.4;
}

.sub-status.ok {
  background: rgba(91,214,138,0.1);
  border: 1px solid rgba(91,214,138,0.4);
  color: #5bd68a;
}

.sub-status.bad {
  background: rgba(255,90,90,0.1);
  border: 1px solid rgba(255,90,90,0.4);
  color: #ff7a7a;
}

.sub-hint {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.info-panel h2 {
  margin: 0 0 2px;
  font-size: 1.25rem;
}

.info-panel .body-type {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-top: 1px solid var(--border);
  font-size: 0.88rem;
}

.spec-row .label { color: var(--text-dim); }
.spec-row .value { font-weight: 600; }

.legend {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-dim);
}

.legend .dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  margin-right: 6px;
}

.dot-arch { background: #ff8a3d; }
.dot-case { background: #5bd68a; }

.legend-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.5;
}

.spec-highlight {
  background: var(--bg-panel-2);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
  margin-bottom: 6px;
}

.spec-highlight .num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.spec-highlight .unit {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.viewer-wrap {
  position: relative;
  background: radial-gradient(circle at 50% 30%, #232935, #12151a 75%);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  min-height: 420px;
}

.viewer {
  width: 100%;
  height: 100%;
  min-height: 420px;
}

.viewer-hint {
  position: absolute;
  bottom: 10px;
  right: 14px;
  font-size: 0.75rem;
  color: var(--text-dim);
  background: rgba(0,0,0,0.35);
  padding: 4px 10px;
  border-radius: 999px;
  pointer-events: none;
}

.viewer-toolbar {
  position: absolute;
  top: 12px;
  left: 14px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.viewer-toggle {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.78rem;
  color: var(--text-dim);
  background: rgba(0,0,0,0.35);
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
}

.viewer-toggle:hover {
  color: var(--text);
}

.viewer-toggle input {
  accent-color: var(--accent);
}

.switch-toggle {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.78rem;
  color: var(--text);
  background: rgba(0,0,0,0.4);
  padding: 6px 12px 6px 8px;
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
}

.switch-toggle input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-track {
  position: relative;
  width: 34px;
  height: 19px;
  border-radius: 999px;
  background: #4a4f58;
  transition: background 0.2s;
  flex-shrink: 0;
}

.switch-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.2s;
}

.switch-toggle input:checked ~ .switch-track {
  background: var(--accent);
}

.switch-toggle input:checked ~ .switch-track .switch-knob {
  transform: translateX(15px);
}

.switch-label strong {
  color: var(--accent);
  font-weight: 600;
}

.empty-state {
  text-align: center;
  color: var(--text-dim);
  padding: 60px 20px;
  font-size: 0.95rem;
}

footer {
  max-width: 1100px;
  margin: 20px auto 60px;
  padding: 0 20px;
  color: var(--text-dim);
  font-size: 0.78rem;
  line-height: 1.5;
}