/* Reset & Core Design System */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-dark: #090d16;
  --bg-panel: rgba(15, 23, 42, 0.88);
  --bg-card: rgba(30, 41, 59, 0.7);
  --bg-input: #1e293b;
  --border-subtle: rgba(255, 255, 255, 0.1);
  --border-focus: #38bdf8;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  /* Point Category Colors */
  --c-sphere: #00e5ff;
  --c-p1: #10b981;
  --c-p2: #06b6d4;
  --c-p3: #3b82f6;
  --c-p4: #8b5cf6;
  --c-p5: #ec4899;
  --c-p6: #f43f5e;
  --c-p7: #f97316;
  --c-p8: #eab308;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-dark);
  font-family: var(--font-sans);
  color: var(--text-main);
  user-select: none;
}

#app-container {
  display: flex;
  width: 100vw;
  height: 100vh;
  position: relative;
}

/* 3D Canvas Area */
#canvas-wrapper {
  flex: 1;
  height: 100%;
  position: relative;
  overflow: hidden;
}

#webgl-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Top Header */
.scene-header {
  position: absolute;
  top: 16px;
  left: 20px;
  right: 20px;
  pointer-events: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-badge {
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 6px;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.4);
}

.project-title {
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
  pointer-events: auto;
}

.header-right {
  display: flex;
  gap: 8px;
  pointer-events: auto;
}

.btn-icon {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background: rgba(56, 189, 248, 0.2);
  border-color: var(--border-focus);
  color: #38bdf8;
}

/* Axis Legend HUD (Top Left under header) */
.axis-legend-hud {
  position: absolute;
  top: 66px;
  left: 20px;
  background: rgba(15, 23, 42, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  padding: 8px 12px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 11px;
  z-index: 5;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  pointer-events: none;
}

.legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.axis-badge {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
  color: #fff;
  letter-spacing: 0.5px;
}

.axis-badge.badge-z {
  background: #0284c7;
  border: 1px solid #38bdf8;
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.5);
}

.axis-badge.badge-x {
  background: #dc2626;
  border: 1px solid #f87171;
}

.axis-badge.badge-y {
  background: #16a34a;
  border: 1px solid #4ade80;
}

.legend-desc {
  color: #cbd5e1;
  font-size: 11px;
}

/* Viewport Navigation Helper Hints (Bottom Left above stats) */
.viewport-hints {
  position: absolute;
  bottom: 58px;
  left: 20px;
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  padding: 5px 10px;
  border-radius: 8px;
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  gap: 10px;
  pointer-events: none;
  z-index: 5;
}

.viewport-hints kbd {
  background: rgba(255, 255, 255, 0.12);
  color: #e2e8f0;
  padding: 1px 5px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
}

/* Quick Camera View Presets in Header */
.view-preset-buttons {
  display: flex;
  gap: 6px;
  pointer-events: auto;
}

.btn-preset-cam {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: all 0.15s ease;
}

.btn-preset-cam:hover {
  background: rgba(56, 189, 248, 0.2);
  color: #fff;
  border-color: #38bdf8;
}

.btn-preset-cam.active {
  background: rgba(2, 132, 199, 0.9);
  color: #fff;
  border-color: #38bdf8;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}

/* Potential Levels Styles */
.highlight-potential-section {
  background: rgba(14, 165, 233, 0.06);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 18px;
}

.potential-quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 8px;
}

.btn-pot-level {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
  padding: 6px 4px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.btn-pot-level:hover {
  background: rgba(56, 189, 248, 0.15);
  color: #fff;
  border-color: #38bdf8;
}

.btn-pot-level.active {
  background: linear-gradient(135deg, #0284c7, #2563eb);
  color: #fff;
  border-color: #38bdf8;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}

/* Stage 3: Solid Angle Omega Section */
.highlight-omega-section {
  background: rgba(249, 115, 22, 0.06);
  border: 1px solid rgba(249, 115, 22, 0.3);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 18px;
}

.omega-legend-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0;
  font-size: 10px;
  color: var(--text-dim);
}

.gradient-bar {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, #3b82f6 0%, #06b6d4 25%, #10b981 50%, #eab308 75%, #ef4444 100%);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
}

.legend-min { color: #60a5fa; font-weight: 600; font-family: var(--font-mono); }
.legend-max { color: #f87171; font-weight: 600; font-family: var(--font-mono); }

.data-group.highlight-omega {
  border-left: 3px solid #f97316;
  background: rgba(249, 115, 22, 0.08);
}

.data-group.highlight-omega strong {
  color: #fb923c;
  font-weight: 700;
}

/* Bottom Stats Bar */
.stats-bar {
  position: absolute;
  bottom: 16px;
  left: 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
  padding: 6px 14px;
  border-radius: 10px;
  display: flex;
  gap: 14px;
  font-size: 12px;
  z-index: 10;
  box-shadow: var(--shadow-lg);
}

.stat-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
}

.stat-pill b {
  color: #fff;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot-sphere { background-color: var(--c-sphere); box-shadow: 0 0 6px var(--c-sphere); }
.dot-p-total { background-color: #a855f7; box-shadow: 0 0 6px #a855f7; }
.dot-p1 { background-color: var(--c-p1); box-shadow: 0 0 6px var(--c-p1); }
.dot-p2 { background-color: var(--c-p2); box-shadow: 0 0 6px var(--c-p2); }
.dot-p3 { background-color: var(--c-p3); box-shadow: 0 0 6px var(--c-p3); }
.dot-p4 { background-color: var(--c-p4); box-shadow: 0 0 6px var(--c-p4); }
.dot-p5 { background-color: var(--c-p5); box-shadow: 0 0 6px var(--c-p5); }
.dot-p6 { background-color: var(--c-p6); box-shadow: 0 0 6px var(--c-p6); }
.dot-p7 { background-color: var(--c-p7); box-shadow: 0 0 6px var(--c-p7); }
.dot-p8 { background-color: var(--c-p8); box-shadow: 0 0 6px var(--c-p8); }

.stat-total {
  border-left: 1px solid var(--border-subtle);
  padding-left: 12px;
  color: #38bdf8;
}

/* Floating Inspector Card */
.inspector-card {
  position: absolute;
  bottom: 64px;
  left: 20px;
  width: 320px;
  background: rgba(15, 23, 42, 0.94);
  border: 1px solid #00ff44;
  backdrop-filter: blur(12px);
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6), 0 0 18px rgba(0, 255, 68, 0.28);
  z-index: 20;
  transition: opacity 0.2s, transform 0.2s;
  overflow: hidden;
}

.inspector-card.hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}

.inspector-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: rgba(0, 255, 68, 0.12);
  border-bottom: 1px solid rgba(0, 255, 68, 0.2);
}

.inspector-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--c-sphere);
  color: #000;
  text-transform: uppercase;
}

.inspector-id {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

.btn-close-sm {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
}

.btn-close-sm:hover { color: #fff; }

.inspector-body {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.data-group {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.data-group-title {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.data-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-muted);
}

.data-row strong {
  font-family: var(--font-mono);
  color: #f1f5f9;
}

.data-row.highlight strong {
  color: #38bdf8;
  font-weight: 700;
}

.inspector-footer {
  padding: 8px 14px 12px;
  display: flex;
}

.btn-mini {
  width: 100%;
  padding: 6px 10px;
  font-size: 11px;
  border-radius: 6px;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #38bdf8;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.15s;
}

.btn-mini:hover {
  background: #38bdf8;
  color: #000;
}

/* Sidebar Controls */
.sidebar {
  width: 380px;
  height: 100%;
  background: var(--bg-panel);
  border-left: 1px solid var(--border-subtle);
  backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 15;
  overflow: hidden;
}

.sidebar.collapsed {
  transform: translateX(100%);
  position: absolute;
  right: 0;
}

.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.2);
}

.tab-btn {
  flex: 1;
  padding: 14px 10px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
  color: #38bdf8;
  border-bottom-color: #38bdf8;
  background: rgba(56, 189, 248, 0.05);
}

.tab-pane {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: none;
}

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

/* Section styling */
.control-section {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.control-section:last-child {
  border-bottom: none;
}

.control-section h3 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #e2e8f0;
  margin-bottom: 12px;
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.section-title-row h3 {
  margin-bottom: 0;
}

.section-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 10px;
}

.control-group {
  margin-bottom: 14px;
}

.control-group label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  margin-bottom: 6px;
}

.val-display {
  font-family: var(--font-mono);
  color: #38bdf8;
  font-weight: 600;
}

/* Form Controls */
.form-select {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s;
}

.form-select:focus {
  border-color: var(--border-focus);
}

input[type="range"] {
  width: 100%;
  height: 6px;
  background: #334155;
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #38bdf8;
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.5);
  cursor: pointer;
  transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Plane Toggles Grid */
.plane-toggles-grid, .plane-toggles-grid-8 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 8px;
}

.plane-chk-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid #5b758d;
  transition: all 0.15s;
}

.plane-chk-label:hover {
  background: rgba(255, 255, 255, 0.07);
  border-left-color: #38bdf8;
}

.checkbox-row {
  margin-bottom: 10px;
  font-size: 13px;
  color: var(--text-muted);
}

.checkbox-row label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.checkbox-row input[type="checkbox"],
.plane-chk-label input[type="checkbox"] {
  cursor: pointer;
  accent-color: #38bdf8;
}

/* Switch UI */
.switch {
  position: relative;
  display: inline-block;
  width: 36px;
  height: 20px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider.round {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #334155;
  transition: .2s;
  border-radius: 20px;
}

.slider.round:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .2s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #0284c7;
}

input:checked + .slider:before {
  transform: translateX(16px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #2563eb);
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0369a1, #1d4ed8);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
  background: #1e293b;
  color: #cbd5e1;
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: #334155;
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #38bdf8;
}

.btn-outline:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: #38bdf8;
}

.btn-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.actions-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Code Preview Block */
.code-block {
  background: #0b1120;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  color: #93c5fd;
  overflow-x: auto;
  white-space: pre;
}

/* Data Table */
.badge {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
}

.table-container {
  max-height: 240px;
  overflow-y: auto;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: #0b1120;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  font-family: var(--font-mono);
}

.data-table th, .data-table td {
  padding: 6px 8px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.data-table th {
  background: #1e293b;
  color: var(--text-dim);
  font-size: 10px;
  text-transform: uppercase;
  position: sticky;
  top: 0;
  z-index: 2;
}

.data-table tr:hover {
  background: rgba(56, 189, 248, 0.08);
  cursor: pointer;
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 1;
  transition: opacity 0.2s;
}

.modal-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-box {
  width: 90%;
  max-width: 720px;
  max-height: 85vh;
  background: #0f172a;
  border: 1px solid #38bdf8;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.btn-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
}

.btn-close:hover { color: #fff; }

.modal-body {
  padding: 16px 20px;
  flex: 1;
  overflow: hidden;
}

.modal-body textarea {
  width: 100%;
  height: 380px;
  background: #0b1120;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: #38bdf8;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  padding: 12px;
  outline: none;
  resize: none;
}

.modal-footer {
  padding: 12px 20px;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  border-top: 1px solid var(--border-subtle);
  background: rgba(0, 0, 0, 0.2);
}

.modal-footer .btn {
  width: auto;
  padding: 8px 16px;
}