@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

.hydro-viewer-container, .hydro-viewer-container * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0d0f14;
  --glass: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.1);
  --glass-hover: rgba(255,255,255,0.1);
  --accent: #a78bfa;
  --accent-blue: #38bdf8;
  --text: #e2e8f0;
  --text-muted: #64748b;
  --active-glow: 0 0 12px rgba(167,139,250,0.5);
  --radius: 12px;
  --toolbar-h: 72px;
  --header-h: 52px;
  --transition: 0.2s ease;
}

body.hydro-viewer-page {
  margin: 0;
  width: 100%;
  min-height: 100vh;
  height: 100vh;
  overflow: hidden;
  background: var(--bg);
  font-family: 'Inter', sans-serif;
  color: var(--text);
}

.hydro-viewer-container {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 100vh;
  overflow: hidden;
  background: var(--bg);
  font-family: 'Inter', sans-serif;
  color: var(--text);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Canvas */
.hydro-viewer-container #viewer {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
}

/* ── Header ─────────────────────────────────────── */
.hydro-viewer-container #header {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: rgba(13,15,20,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 100;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  background: linear-gradient(135deg, var(--accent), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-brand svg {
  flex-shrink: 0;
  stroke: var(--accent);
}

.hydro-viewer-container #model-name-display {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 400;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color var(--transition);
}

.hydro-viewer-container #model-name-display.error {
  color: #fda4af;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-select {
  height: 34px;
  min-width: 170px;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 0 10px;
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  outline: none;
}

.header-select:focus {
  border-color: rgba(167,139,250,0.6);
}

.header-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  background: linear-gradient(135deg, var(--accent), #6d28d9);
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition);
  box-shadow: 0 0 16px rgba(167,139,250,0.2);
}

.header-btn.secondary-btn {
  background: rgba(255,255,255,0.08);
  color: var(--text);
  box-shadow: none;
}

.header-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(167,139,250,0.4);
}

.header-btn.secondary-btn:hover {
  box-shadow: 0 4px 14px rgba(0,0,0,0.2);
}

.header-btn svg {
  width: 15px; height: 15px;
  flex-shrink: 0;
}

/* ── Bottom Toolbar ──────────────────────────────── */
.hydro-viewer-container #toolbar {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
  background: rgba(13, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  height: var(--toolbar-h);
  z-index: 100;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  width: max-content;
  max-width: 96vw;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
}

.hydro-viewer-container #toolbar[data-mode="view"] .cat-section:not([data-cat="view"]),
.hydro-viewer-container #toolbar[data-mode="inspect"] .cat-section:not([data-cat="inspect"]),
.hydro-viewer-container #toolbar[data-mode="look"] .cat-section:not([data-cat="look"]),
.hydro-viewer-container #toolbar[data-mode="export"] .cat-section:not([data-cat="export"]) {
  display: none;
}

.hydro-viewer-container #toolbar[data-mode]:not([data-mode="all"]) .toolbar-separator {
  display: none;
}

.hydro-viewer-container #toolbar[data-mode]:not([data-mode="all"]) .toolbar-categories + .toolbar-separator {
  display: block;
}

.hydro-viewer-container #toolbar::-webkit-scrollbar {
  height: 4px;
}
.hydro-viewer-container #toolbar::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.toolbar-categories {
  gap: 6px;
}

.toolbar-cat-btn {
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(255, 255, 255, 0.04);
  color: #9fb0c7;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--transition);
}

.toolbar-cat-btn:hover {
  color: #dbeafe;
  border-color: rgba(148, 163, 184, 0.55);
  background: rgba(255, 255, 255, 0.08);
}

.toolbar-cat-btn.active {
  color: #ffffff;
  border-color: rgba(167, 139, 250, 0.65);
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.32), rgba(56, 189, 248, 0.22));
  box-shadow: 0 0 0 1px rgba(167, 139, 250, 0.18) inset;
}

.toolbar-separator {
  width: 1px;
  height: 32px;
  background: rgba(255,255,255,0.1);
  flex-shrink: 0;
}

.tool-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 54px;
  height: 50px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 9px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  flex-shrink: 0;
}

.tool-btn svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
  transition: stroke var(--transition);
}

.tool-btn:hover {
  background: var(--glass-hover);
  border-color: var(--glass-border);
  color: var(--text);
  transform: translateY(-2px);
}

.tool-btn:hover svg {
  stroke: var(--accent);
}

.tool-btn:active {
  transform: translateY(0);
}

.tool-btn.active {
  background: rgba(167,139,250,0.15);
  border-color: rgba(167,139,250,0.4);
  color: var(--accent);
  box-shadow: var(--active-glow);
}

.tool-btn.active svg {
  stroke: var(--accent);
}

.color-control {
  width: 66px;
  height: 54px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.02em;
  transition: all var(--transition);
}

.color-control:hover {
  background: var(--glass-hover);
  border-color: var(--glass-border);
  color: var(--text);
  transform: translateY(-2px);
}

.color-control.disabled {
  opacity: 0.45;
  filter: saturate(0.45);
}

.color-control.disabled input[type="color"] {
  pointer-events: none;
  cursor: not-allowed;
}

.select-control {
  width: 146px;
  height: 54px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--text-muted);
  font-size: 10px;
  letter-spacing: 0.02em;
  transition: all var(--transition);
}

.select-control:hover {
  background: var(--glass-hover);
  border-color: var(--glass-border);
  color: var(--text);
  transform: translateY(-2px);
}

.select-control select {
  width: 130px;
  height: 26px;
  border-radius: 7px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.08);
  color: var(--text);
  padding: 0 6px;
  font-size: 11px;
  font-family: 'Inter', sans-serif;
  outline: none;
}

.select-control select:focus {
  border-color: rgba(56,189,248,0.6);
}

.color-control input[type="color"] {
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.color-control input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-control input[type="color"]::-webkit-color-swatch {
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 6px;
}

/* ── Info Panel ──────────────────────────────────── */
.hydro-viewer-container #info-panel {
  position: absolute;
  top: calc(var(--header-h) + 12px);
  right: 16px;
  background: rgba(13,15,20,0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  min-width: 146px;
  z-index: 95;
  display: none;
}

.hydro-viewer-container #info-panel.visible {
  display: block;
}

.hydro-viewer-container.panel-open #info-panel {
  right: 352px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 4px 0;
}

.info-row:not(:last-child) {
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.info-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.info-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
}

/* ── Welcome Screen ──────────────────────────────── */
.hydro-viewer-container #welcome-screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  background: radial-gradient(ellipse at 50% 50%, rgba(99,38,163,0.15) 0%, transparent 70%), var(--bg);
}

.hydro-viewer-container,
.hydro-viewer-container * {
  box-sizing: border-box;
}

.hydro-viewer-container #welcome-screen,
.hydro-viewer-container #welcome-screen * {
  pointer-events: auto !important;
}

.hydro-viewer-container #welcome-upload-btn,
.hydro-viewer-container #welcome-our-models-btn,
.hydro-viewer-container #btn-upload,
.hydro-viewer-container #btn-our-models {
  position: relative;
  z-index: 3;
}

.welcome-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  padding: 48px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 32px 64px rgba(0,0,0,0.4);
  max-width: 400px;
  animation: welcome-in 0.6s cubic-bezier(0.16,1,0.3,1) both;
}

.welcome-logo svg {
  width: 80px;
  height: 80px;
}

.welcome-card h1 {
  font-size: 28px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--accent), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.welcome-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}

.welcome-card .owner {
  font-size: 12px;
  color: #94a3b8;
  margin-top: -6px;
}

.welcome-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
}

.welcome-card code {
  background: rgba(167,139,250,0.15);
  border: 1px solid rgba(167,139,250,0.3);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--accent);
  font-size: 14px;
}

.hint {
  font-size: 11px !important;
  color: rgba(100,116,139,0.6) !important;
  margin-top: -8px;
}

.primary-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--accent), #6d28d9);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 24px rgba(167,139,250,0.35);
  margin-top: 0;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(167,139,250,0.5);
}

.primary-btn svg {
  width: 18px; height: 18px;
}

.secondary-welcome-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: none;
}

.secondary-welcome-btn:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

/* ── Toolbar Extensions ──────────────────────────────── */
.toolbar-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-right: 2px;
}

.cam-btn {
  font-size: 12px;
  font-weight: 500;
  width: auto;
  padding: 0 12px;
  color: #94a3b8;
}
.cam-btn:hover {
  color: #fff;
}

.slider-control {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  height: 52px;
  padding: 0 12px;
  background: transparent;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  border-radius: 12px;
  transition: var(--transition);
}
.slider-control:hover {
  background: var(--glass-hover);
  color: #fff;
}
.slider-control input[type=range] {
  width: 68px;
  height: 4px;
  border-radius: 2px;
  appearance: none;
  background: rgba(255,255,255,0.2);
  outline: none;
}
.slider-control input[type=range]::-webkit-slider-thumb {
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

/* ── Right Side Panel ──────────────────────────────── */
.side-panel {
  position: absolute;
  top: calc(var(--header-h) + 16px);
  right: 16px;
  width: 320px;
  max-height: calc(100% - var(--header-h) - var(--toolbar-h) - 48px);
  background: rgba(13, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  transition: transform var(--transition), opacity var(--transition);
}

.side-panel.hidden {
  opacity: 0;
  transform: translateX(120%);
  pointer-events: none;
}

.panel-tabs {
  display: flex;
  background: rgba(0,0,0,0.4);
  border-bottom: 1px solid var(--glass-border);
}

.panel-tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 12px 0;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 2px solid transparent;
}

.panel-tab:hover {
  color: var(--text);
  background: rgba(255,255,255,0.03);
}

.panel-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.panel-body {
  padding: 16px;
  overflow-y: auto;
  flex: 1;
}

.panel-body::-webkit-scrollbar {
  width: 6px;
}
.panel-body::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.panel-hint {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 20px;
}

/* Hierarchy List */
.hierarchy-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hierarchy-item {
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background 0.15s, color 0.15s;
}

.hierarchy-item:hover {
  background: rgba(255,255,255,0.06);
}

.hierarchy-item.selected {
  background: rgba(167,139,250,0.15);
  color: var(--accent);
  border-left: 3px solid var(--accent);
}

/* Inspector */
.inspector-content .insp-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 13px;
}
.inspector-content .insp-row:last-child {
  border-bottom: none;
}
.inspector-content .insp-row span {
  color: var(--text-muted);
}
.inspector-content .insp-row b {
  color: var(--text);
  font-weight: 500;
  max-width: 150px;
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Animations Tab */
.anim-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  margin-bottom: 8px;
}

.anim-name {
  font-size: 13px;
  font-weight: 500;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.anim-btn {
  background: var(--accent);
  color: #000;
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.anim-btn:hover {
  opacity: 0.85;
}

/* ── Floating HUDS ─────────────────────────────────── */
.measure-hud {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  color: #fbbf24;
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid rgba(251, 191, 36, 0.3);
  pointer-events: none;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.measure-hud.hidden {
  display: none;
}

.clip-panel {
  position: absolute;
  bottom: calc(var(--toolbar-h) + 30px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(13, 15, 20, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  padding: 12px 20px;
  border-radius: 14px;
  display: flex;
  gap: 16px;
  align-items: center;
  z-index: 90;
  font-size: 13px;
  color: var(--text);
}

.clip-panel.hidden {
  display: none;
}

.clip-panel label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.clip-panel select, .clip-panel input[type=range] {
  background: rgba(255,255,255,0.1);
  border: 1px solid var(--glass-border);
  color: #fff;
  border-radius: 6px;
  padding: 4px;
  outline: none;
}

/* ── Modal Overlays ────────────────────────────────── */
.modal-overlay {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
}

.modal-overlay.visible {
  display: flex;
}

.modal-card {
  width: min(92vw, 440px);
  padding: 24px;
  border-radius: 18px;
  background: rgba(17, 20, 30, 0.95);
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.modal-card h2 {
  font-size: 24px;
  margin-bottom: 6px;
}

.modal-card p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.modal-preview-box {
  position: relative;
  width: 100%;
  height: 180px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: radial-gradient(circle at 50% 40%, rgba(56, 189, 248, 0.12), rgba(10, 12, 18, 0.95));
  overflow: hidden;
  margin-bottom: 14px;
}

.hydro-viewer-container #our-models-preview-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.modal-preview-status {
  position: absolute;
  left: 10px;
  bottom: 8px;
  font-size: 12px;
  color: #cbd5e1;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 7px;
  padding: 4px 8px;
  pointer-events: none;
}

.modal-select {
  width: 100%;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  padding: 0 10px;
  font-size: 14px;
  margin-bottom: 16px;
}

.modal-actions {
  display: flex;
  gap: 10px;
}

.modal-actions .primary-btn,
.modal-actions .header-btn {
  flex: 1;
  justify-content: center;
}

/* ── Loading ─────────────────────────────────────── */
.hydro-viewer-container #loading-overlay {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  z-index: 300;
  background: rgba(13,15,20,0.85);
  backdrop-filter: blur(8px);
}

.hydro-viewer-container #loading-overlay.visible {
  display: flex;
}

.hydro-viewer-container #loading-overlay p {
  color: var(--text-muted);
  font-size: 14px;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(167,139,250,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ── Drop Overlay ────────────────────────────────── */
.hydro-viewer-container #drop-overlay {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 400;
  background: rgba(167,139,250,0.08);
  border: 3px dashed rgba(167,139,250,0.5);
  border-radius: 0;
  pointer-events: none;
}

.hydro-viewer-container #drop-overlay.active {
  display: flex;
}

.drop-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  color: var(--accent);
  font-size: 20px;
  font-weight: 600;
}

.drop-content svg {
  width: 64px;
  height: 64px;
  stroke: var(--accent);
}

/* ── Animations ──────────────────────────────────── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes welcome-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 1200px) {
  .hydro-viewer-container.panel-open #info-panel {
    display: none;
  }
}

@media (max-width: 600px) {
  .hydro-viewer-container #model-name-display {
    max-width: 120px;
  }
  .secondary-btn span {
    display: none;
  }
  .welcome-actions {
    width: 100%;
    flex-direction: column;
  }
  .welcome-actions .primary-btn {
    width: 100%;
    justify-content: center;
  }
  .hydro-viewer-container #toolbar {
    bottom: 12px;
    border-radius: 16px;
    padding: 0 10px;
  }
  .toolbar-cat-btn {
    padding: 5px 9px;
    font-size: 10px;
  }
  .tool-btn {
    width: 50px;
    height: 50px;
  }
  .tool-btn span {
    display: none;
  }
  .color-control {
    width: 50px;
    height: 50px;
  }
  .select-control {
    width: 110px;
    height: 50px;
  }
  .select-control select {
    width: 96px;
    font-size: 10px;
  }
  .select-control span {
    display: none;
  }
  .color-control span {
    display: none;
  }
}