@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;700&family=Barlow:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-base: #0a0d12;
  --bg-surface: #111620;
  --bg-card: #161c28;
  --bg-raised: #1c2436;
  --border: #252e42;
  --border-bright: #2e3a52;
  --accent: #f5a623;
  --accent-hot: #ff6b2b;
  --accent-cool: #3d8bff;
  --accent-green: #22d3a5;
  --text-primary: #e8edf5;
  --text-secondary: #8896b0;
  --text-muted: #4a5568;
  --gradient-accent: linear-gradient(135deg, #f5a623, #ff6b2b);
  --gradient-blue: linear-gradient(135deg, #3d8bff, #6c47ff);
  --gradient-green: linear-gradient(135deg, #22d3a5, #059669);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px rgba(245,166,35,0.15);
}

* {
  font-family: 'Barlow', sans-serif;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-base);
  min-height: 100vh;
  color: var(--text-primary);
  position: relative;
  overflow-x: hidden;
}

/* Grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(61,139,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,139,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* Glow orbs */
body::after {
  content: '';
  position: fixed;
  top: -20%;
  left: -10%;
  width: 60%;
  height: 60%;
  background: radial-gradient(ellipse, rgba(245,166,35,0.06) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.main-container {
  position: relative;
  z-index: 1;
}

/* ── HEADER ─────────────────────────────────────────── */
.app-header {
  padding: 40px 0 32px;
  text-align: center;
  position: relative;
}

.app-header::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.3);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.brand-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.app-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.app-title span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.app-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.03em;
  margin-bottom: 28px;
}

.header-pills {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  transition: all 0.2s;
}

.pill:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── CARDS ────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s;
}

.card:hover {
  border-color: var(--border-bright);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.card-icon {
  width: 36px;
  height: 36px;
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.card-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  text-transform: uppercase;
}

/* ── FORM ELEMENTS ──────────────────────────────────── */
.field-group {
  margin-bottom: 24px;
}

.field-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.input-field {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  transition: all 0.2s;
  font-family: 'JetBrains Mono', monospace;
  -moz-appearance: textfield;
}

.input-field::-webkit-inner-spin-button,
.input-field::-webkit-outer-spin-button {
  -webkit-appearance: none;
}

.input-field:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245,166,35,0.12);
  background: var(--bg-raised);
}

.input-field:hover {
  border-color: var(--border-bright);
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.input-sub-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  text-align: center;
}

/* Volume Display */
.volume-display {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 14px;
}

.volume-display::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.volume-display:hover {
  border-color: var(--accent);
}

.volume-display:hover::before {
  opacity: 0.04;
}

.volume-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 28px;
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

.volume-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 2px;
  position: relative;
}

.volume-expand {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
  position: relative;
}

/* Preset Buttons */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.preset-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.03em;
  text-align: center;
  font-family: 'Barlow', sans-serif;
}

.preset-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(245,166,35,0.06);
}

.preset-btn.active {
  border-color: var(--accent);
  background: rgba(245,166,35,0.12);
  color: var(--accent);
  box-shadow: 0 0 12px rgba(245,166,35,0.15);
}

.preset-btn.ring-2 {
  border-color: var(--accent);
  background: rgba(245,166,35,0.12);
  color: var(--accent);
}

#presetLabel {
  text-align: center;
  margin-top: 6px;
}

#presetLabelText {
  font-size: 11px;
  background: rgba(245,166,35,0.1);
  color: var(--accent);
  border: 1px solid rgba(245,166,35,0.2);
  padding: 3px 12px;
  border-radius: 100px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

/* Radio Cards */
.pattern-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.radio-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}

.radio-card:hover {
  border-color: var(--border-bright);
}

.radio-card input:checked + .radio-content,
.radio-card input[type="radio"]:checked ~ .radio-content {
  /* handled via JS class toggle */
}

.radio-card.selected {
  border-color: var(--accent-cool);
  background: rgba(61,139,255,0.06);
}

.radio-card .pattern-icon {
  font-size: 22px;
  margin-bottom: 6px;
  display: block;
}

.radio-card .pattern-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: 'Rajdhani', sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.radio-card .pattern-desc {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Toggle Switch */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.toggle-row:hover {
  border-color: var(--border-bright);
}

.toggle-info .toggle-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.toggle-info .toggle-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input { display: none; }

.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 100px;
  transition: background 0.2s;
  cursor: pointer;
}

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

.toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
  pointer-events: none;
}

.toggle-switch input:checked ~ .toggle-track .toggle-thumb {
  transform: translateX(20px);
}

/* CTA Button */
.cta-btn {
  display: block;
  width: 100%;
  background: var(--gradient-accent);
  border: none;
  border-radius: 12px;
  padding: 16px 24px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #0a0d12;
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.cta-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.4s;
}

.cta-btn:hover::before { left: 100%; }

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245,166,35,0.35);
}

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

/* ── RESULTS ──────────────────────────────────────────── */
.results-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-muted);
  text-align: center;
}

.results-empty .empty-icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.results-empty p {
  font-size: 14px;
  line-height: 1.6;
}

/* Metric Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.25s;
  position: relative;
  overflow: hidden;
}

.metric-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.metric-card:hover::after { transform: scaleX(1); }

.metric-card:hover {
  border-color: var(--border-bright);
  transform: translateY(-2px);
}

.metric-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.metric-value.accent { color: var(--accent); }
.metric-value.blue { color: var(--accent-cool); }
.metric-value.green { color: var(--accent-green); }

.metric-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* Progress Bar */
.efficiency-bar {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

.eff-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.eff-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.eff-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

.progress-track {
  height: 8px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 100px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 100%;
  background: rgba(255,255,255,0.3);
  filter: blur(4px);
}

/* Layout Table */
.layout-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 16px;
}

.layout-table th {
  background: var(--bg-surface);
  padding: 10px 12px;
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.layout-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
}

.layout-table tr:last-child td { border-bottom: none; }
.layout-table tr:hover td {
  background: var(--bg-raised);
  color: var(--text-primary);
}

.badge-config {
  background: rgba(61,139,255,0.1);
  color: var(--accent-cool);
  border: 1px solid rgba(61,139,255,0.2);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
}

/* Export Button */
.export-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.05em;
  font-family: 'Barlow', sans-serif;
  margin-top: 10px;
}

.export-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(245,166,35,0.05);
}

/* ── VISUALIZATION PANEL ────────────────────────────── */
.viz-panel {
  margin-top: 20px;
}

.viz-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  color: var(--text-muted);
  text-align: center;
  border: 1px dashed var(--border);
  border-radius: 12px;
}

.viz-empty .viz-icon {
  font-size: 56px;
  opacity: 0.2;
  margin-bottom: 16px;
}

.viz-empty p {
  font-size: 13px;
}

/* Layer Controls */
.control-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 16px;
}

.control-panel h4 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.layer-tab {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  font-family: 'Barlow', sans-serif;
}

.layer-tab:hover { border-color: var(--border-bright); color: var(--text-secondary); }
.layer-tab.active {
  background: rgba(61,139,255,0.12);
  border-color: var(--accent-cool);
  color: var(--accent-cool);
}

.control-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.control-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  min-width: 48px;
}

.control-slider {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 4px;
  border-radius: 100px;
  background: var(--border);
  outline: none;
}

.control-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(245,166,35,0.4);
}

.control-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: none;
}

.control-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  min-width: 36px;
  text-align: center;
}

.check-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
}

.check-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent-cool);
}

/* 3D Control Buttons */
.viz-btn {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.03em;
  font-family: 'Barlow', sans-serif;
  text-align: center;
}

.viz-btn:hover {
  border-color: var(--border-bright);
  color: var(--text-primary);
}

.viz-btn.primary {
  background: rgba(245,166,35,0.1);
  border-color: rgba(245,166,35,0.3);
  color: var(--accent);
}

.viz-btn.primary:hover {
  background: rgba(245,166,35,0.18);
}

.viz-btn-row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

/* Section tip */
.tip-box {
  background: rgba(61,139,255,0.06);
  border: 1px solid rgba(61,139,255,0.15);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 10px;
}

.tip-box strong { color: var(--accent-cool); }

/* ── 3D Canvas ─────────────────────────────────────── */
#threejs-container {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0,0,0,0.5);
  border: 1px solid var(--border);
}

/* ── ANIMATIONS ─────────────────────────────────────── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.animate-in { animation: fadeInUp 0.5s ease forwards; }
.animate-fade { animation: fadeIn 0.4s ease forwards; }

/* Legacy compat classes */
.jiffy-bounce { animation: scaleIn 0.5s cubic-bezier(0.34,1.56,0.64,1) forwards; }
.jiffy-slide-up { animation: fadeInUp 0.5s ease forwards; }
.jiffy-fade-in { animation: fadeIn 0.6s ease forwards; }
.jiffy-pulse { animation: none; }
.jiffy-hover-lift { transition: transform 0.2s, box-shadow 0.2s; }
.jiffy-hover-lift:hover { transform: translateY(-3px); }
.jiffy-button-press:active { transform: scale(0.97); }
.jiffy-zoom-in { animation: scaleIn 0.35s ease forwards; }
.jiffy-elastic { animation: scaleIn 0.5s cubic-bezier(0.34,1.56,0.64,1) forwards; }
.jiffy-success { animation: scaleIn 0.4s ease forwards; }
.jiffy-stagger-1 { animation-delay: 0.05s; }
.jiffy-stagger-2 { animation-delay: 0.1s; }
.jiffy-stagger-3 { animation-delay: 0.15s; }
.jiffy-stagger-4 { animation-delay: 0.2s; }
.jiffy-stagger-5 { animation-delay: 0.25s; }

/* Alert */
.jiffy-alert {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  padding: 14px 20px;
  border-radius: 10px;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
}

.jiffy-alert.success {
  background: rgba(34,211,165,0.15);
  border-color: rgba(34,211,165,0.3);
  color: var(--accent-green);
}

.jiffy-alert.error {
  background: rgba(239,68,68,0.15);
  border-color: rgba(239,68,68,0.3);
  color: #f87171;
}

.jiffy-alert.warning {
  background: rgba(245,166,35,0.12);
  border-color: rgba(245,166,35,0.3);
  color: var(--accent);
}

.jiffy-alert.info {
  background: rgba(61,139,255,0.12);
  border-color: rgba(61,139,255,0.3);
  color: var(--accent-cool);
}

/* Loading */
.loading-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.jiffy-loading-dots { display: inline-flex; gap: 4px; }
.jiffy-loading-dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: dots 1.2s infinite ease-in-out;
}
.jiffy-loading-dots span:nth-child(1) { animation-delay: -0.24s; }
.jiffy-loading-dots span:nth-child(2) { animation-delay: -0.12s; }
@keyframes dots {
  0%, 80%, 100% { transform: scale(0); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

.jiffy-progress-bar {
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 100px;
  animation: progressIn 1.5s ease forwards;
}
@keyframes progressIn {
  from { transform: scaleX(0); transform-origin: left; }
  to { transform: scaleX(1); transform-origin: left; }
}

/* Section header (legacy) */
.section-header {
  font-family: 'Rajdhani', sans-serif;
  letter-spacing: 0.05em;
  padding-left: 0;
}
.section-header::before { display: none; }

/* Glass card legacy override */
.glass-card {
  background: var(--bg-card) !important;
  backdrop-filter: none !important;
  border: 1px solid var(--border) !important;
  box-shadow: var(--shadow-card) !important;
}

/* Gradient text legacy */
.gradient-text {
  background: var(--gradient-accent) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

/* Gradient button legacy */
.gradient-button {
  background: var(--gradient-accent) !important;
  color: #0a0d12 !important;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.gradient-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(245,166,35,0.35) !important;
}

/* Radio card override */
.radio-card {
  background: var(--bg-surface) !important;
  border-color: var(--border) !important;
}

.radio-card:hover {
  border-color: var(--border-bright) !important;
  transform: none !important;
}

.radio-card input:checked + .radio-content {
  /* noop */
}

/* Input fields in legacy context */
.input-field {
  background: var(--bg-surface) !important;
  border-color: var(--border) !important;
  color: var(--text-primary) !important;
}

.input-field:focus {
  border-color: var(--accent) !important;
  background: var(--bg-raised) !important;
}

/* Visualization container */
#visualizationContainer {
  background: var(--bg-surface) !important;
  border-color: var(--border) !important;
  border-radius: 12px !important;
}

/* Visualization mode toggle */
.visualization-mode-toggle {
  background: linear-gradient(135deg, var(--accent-green), #059669) !important;
  color: #0a0d12 !important;
  font-family: 'Rajdhani', sans-serif;
  font-weight: 700;
}

/* Main grid layout */
.main-grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 1024px) {
  .main-grid { grid-template-columns: 1fr 1fr; }
}

/* Header decoration override */
.header-decoration::after { display: none; }

/* Metric card override */
.metric-card {
  background: var(--bg-surface) !important;
  border-color: var(--border) !important;
}