/* ===================================================================
   AlgoBloom — The Living Code Garden & Algorithm Mental-Model Workbench
   Aesthetic: Soft Luxury Pastel Cyber-Botanical with Ultra-Rounded Forms
   =================================================================== */

:root {
  --bg-main: #0B0F19;
  --bg-card: rgba(18, 24, 40, 0.75);
  --bg-card-hover: rgba(26, 34, 56, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(244, 114, 182, 0.3);

  /* Cute Pastel Flora Palette */
  --pastel-pink: #F472B6;
  --pastel-rose: #FB7185;
  --pastel-lavender: #C084FC;
  --pastel-violet: #A855F7;
  --pastel-mint: #34D399;
  --pastel-emerald: #10B981;
  --pastel-sky: #38BDF8;
  --pastel-butter: #FDE047;
  --pastel-amber: #F59E0B;

  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-faint: #64748B;

  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-full: 9999px;

  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-soft: 0 10px 30px -5px rgba(0, 0, 0, 0.4);
  --shadow-glow-pink: 0 0 25px rgba(244, 114, 182, 0.25);
  --shadow-glow-mint: 0 0 25px rgba(52, 211, 153, 0.25);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.5;
}

/* Ambient glow orbs */
.glow-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.28;
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--pastel-pink) 0%, transparent 70%);
  top: -100px;
  left: -100px;
}

.orb-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--pastel-lavender) 0%, transparent 70%);
  bottom: -150px;
  right: -100px;
  animation-duration: 22s;
}

.orb-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--pastel-mint) 0%, transparent 70%);
  top: 40%;
  left: 45%;
  animation-duration: 26s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, 40px) scale(1.08); }
  100% { transform: translate(-40px, 70px) scale(0.95); }
}

/* Main App Wrapper */
.app-container {
  position: relative;
  z-index: 1;
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px 28px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px 28px;
  box-shadow: var(--shadow-soft);
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-icon-wrapper {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.2), rgba(192, 132, 252, 0.3));
  border: 1px solid rgba(244, 114, 182, 0.4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-pink);
  animation: pulseGlow 4s infinite alternate;
}

.brand-emoji {
  font-size: 28px;
  transform: translateY(-1px);
}

@keyframes pulseGlow {
  0% { transform: scale(1); box-shadow: 0 0 15px rgba(244, 114, 182, 0.2); }
  100% { transform: scale(1.05); box-shadow: 0 0 25px rgba(244, 114, 182, 0.5); }
}

.brand-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #FFF, var(--pastel-pink), var(--pastel-lavender));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-tag {
  background: rgba(52, 211, 153, 0.15);
  color: var(--pastel-mint);
  border: 1px solid rgba(52, 211, 153, 0.3);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.brand-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.vitality-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--pastel-mint);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--pastel-mint);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

.vitality-label {
  color: var(--text-muted);
}

.vitality-pill strong {
  color: var(--pastel-pink);
  font-weight: 700;
}

.sound-toggle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.sound-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.05);
}

.cta-pill-btn {
  background: linear-gradient(135deg, var(--pastel-pink), var(--pastel-lavender));
  color: #0B0F19;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 4px 15px rgba(244, 114, 182, 0.35);
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.cta-pill-btn:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 22px rgba(244, 114, 182, 0.5);
}

/* Nav Tabs Bar */
.nav-tabs-bar {
  display: flex;
  gap: 10px;
  background: rgba(18, 24, 40, 0.5);
  backdrop-filter: blur(16px);
  padding: 8px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
  width: fit-content;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  background: rgba(255, 255, 255, 0.12);
  color: #FFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Card Panel Base */
.card-panel {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Tab 1: Controls Card */
.controls-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-end;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.flex-2 {
  flex: 2;
  min-width: 300px;
}

.control-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.select-wrapper select,
.input-with-actions input {
  background: rgba(11, 15, 25, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  font-family: inherit;
  font-size: 14px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color 0.2s;
}

.select-wrapper select:focus,
.input-with-actions input:focus {
  border-color: var(--pastel-pink);
  box-shadow: 0 0 0 3px rgba(244, 114, 182, 0.2);
}

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

.input-with-actions input {
  flex: 1;
}

.action-btn {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.action-btn.primary-tint {
  background: rgba(52, 211, 153, 0.2);
  border-color: rgba(52, 211, 153, 0.4);
  color: var(--pastel-mint);
}

.action-btn.primary-tint:hover {
  background: rgba(52, 211, 153, 0.3);
}

/* Playback Bar */
.playback-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.playback-buttons {
  display: flex;
  gap: 10px;
  align-items: center;
}

.playback-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.playback-btn:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: scale(1.1);
}

.playback-btn.play-primary {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--pastel-pink), var(--pastel-lavender));
  color: #0B0F19;
  font-size: 20px;
  box-shadow: var(--shadow-glow-pink);
}

.step-progress-wrapper {
  flex: 1;
  min-width: 260px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.step-counter-badge {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
}

.step-counter-badge strong,
.step-counter-badge span {
  color: var(--pastel-pink);
}

input[type="range"] {
  accent-color: var(--pastel-pink);
  cursor: pointer;
}

.speed-control-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.speed-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
}

/* Stage Header & Telemetry */
.stage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 16px;
}

.stage-event-badge {
  background: rgba(244, 114, 182, 0.15);
  color: var(--pastel-pink);
  border: 1px solid rgba(244, 114, 182, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 4px;
}

.stage-subtext {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
}

.stage-telemetry {
  display: flex;
  gap: 10px;
}

.stat-pill {
  background: rgba(11, 15, 25, 0.6);
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
}

.stat-title {
  font-size: 11px;
  color: var(--text-faint);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.stat-val {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-main);
  font-family: var(--font-mono);
}

.stat-pill.highlight-pill .stat-val {
  color: var(--pastel-mint);
}

/* Canvas Viewport */
.canvas-viewport {
  min-height: 380px;
  background: radial-gradient(circle at 50% 50%, rgba(26, 34, 56, 0.5) 0%, rgba(11, 15, 25, 0.95) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* Bars Container (Sorting & Array Visualizer) */
.bars-container {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 16px;
  width: 100%;
  height: 320px;
  padding-bottom: 20px;
}

.bar-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.pointer-badge {
  position: absolute;
  top: -30px;
  background: var(--pastel-pink);
  color: #0B0F19;
  font-size: 11px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-glow-pink);
  animation: bouncePointer 1s infinite alternate;
}

@keyframes bouncePointer {
  0% { transform: translateY(0); }
  100% { transform: translateY(-4px); }
}

.bar-pill {
  width: 64px;
  min-height: 48px;
  background: linear-gradient(180deg, rgba(192, 132, 252, 0.8) 0%, rgba(168, 85, 247, 0.4) 100%);
  border: 2px solid rgba(192, 132, 252, 0.6);
  border-radius: 20px 20px 14px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 12px 6px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
}

.bar-face {
  font-size: 14px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.4));
}

.bar-value {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 800;
  color: #FFF;
}

.bar-index {
  font-size: 11px;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* Bar States */
.bar-column.active .bar-pill {
  background: linear-gradient(180deg, var(--pastel-pink) 0%, #E11D48 100%);
  border-color: #FFF;
  box-shadow: 0 0 28px rgba(244, 114, 182, 0.7);
  transform: translateY(-8px) scale(1.05);
}

.bar-column.swapping .bar-pill {
  background: linear-gradient(180deg, var(--pastel-butter) 0%, #D97706 100%);
  border-color: #FFF;
  box-shadow: 0 0 28px rgba(253, 224, 71, 0.7);
  transform: translateY(-12px) scale(1.1);
}

.bar-column.sorted .bar-pill {
  background: linear-gradient(180deg, var(--pastel-mint) 0%, #059669 100%);
  border-color: #A7F3D0;
  box-shadow: 0 0 20px rgba(52, 211, 153, 0.5);
}

.bar-column.dimmed .bar-pill {
  opacity: 0.25;
  filter: grayscale(80%);
}

/* Graph Container */
.graph-container {
  width: 100%;
  height: 320px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.graph-svg {
  width: 100%;
  height: 100%;
}

.graph-node {
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.graph-node circle {
  fill: rgba(192, 132, 252, 0.3);
  stroke: var(--pastel-lavender);
  stroke-width: 3px;
  transition: all 0.3s;
}

.graph-node text {
  fill: #FFF;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 15px;
  text-anchor: middle;
  dominant-baseline: central;
}

.graph-node.visited circle {
  fill: rgba(52, 211, 153, 0.4);
  stroke: var(--pastel-mint);
  filter: drop-shadow(0 0 10px var(--pastel-mint));
}

.graph-node.current circle {
  fill: var(--pastel-pink);
  stroke: #FFF;
  stroke-width: 4px;
  filter: drop-shadow(0 0 16px var(--pastel-pink));
}

.graph-edge {
  stroke: rgba(255, 255, 255, 0.15);
  stroke-width: 2px;
  transition: stroke 0.3s;
}

.graph-edge.active {
  stroke: var(--pastel-pink);
  stroke-width: 4px;
}

/* Tree / DP Container */
.tree-container {
  width: 100%;
  height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.dp-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 12px;
}

.dp-cell {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
  transition: all 0.3s;
}

.dp-cell.computed {
  background: rgba(52, 211, 153, 0.2);
  border-color: var(--pastel-mint);
  color: #FFF;
}

.dp-cell.hit {
  background: rgba(253, 224, 71, 0.2);
  border-color: var(--pastel-butter);
  box-shadow: 0 0 14px rgba(253, 224, 71, 0.5);
}

/* Coach Narrative Box */
.coach-narrative-box {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(11, 15, 25, 0.7);
  border: 1px solid rgba(244, 114, 182, 0.2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}

.coach-avatar {
  font-size: 32px;
  line-height: 1;
}

.coach-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--pastel-pink);
  margin-bottom: 4px;
}

.coach-text {
  font-size: 14px;
  color: var(--text-main);
  line-height: 1.6;
}

/* TAB 2: Split Workbench */
.split-workbench {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
}

@media (max-width: 960px) {
  .split-workbench {
    grid-template-columns: 1fr;
  }
}

.panel-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
}

.panel-heading {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.panel-sub {
  font-size: 13px;
  color: var(--text-muted);
}

.preset-dropdown-group {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.preset-dropdown-group select {
  background: rgba(11, 15, 25, 0.8);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 13px;
  outline: none;
}

.code-editor-wrapper textarea {
  width: 100%;
  height: 280px;
  background: #060911;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: #A5B4FC;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  padding: 16px;
  resize: vertical;
  outline: none;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.6);
  transition: border-color 0.2s;
}

.code-editor-wrapper textarea:focus {
  border-color: var(--pastel-lavender);
}

.editor-actions-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.editor-hint {
  font-size: 12px;
  color: var(--text-faint);
}

/* Flora Meter Card */
.flora-meter-card {
  background: rgba(11, 15, 25, 0.6);
  border: 1px solid rgba(244, 114, 182, 0.2);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.flora-visual-icon {
  font-size: 42px;
  animation: bloomPulse 3s infinite alternate;
}

@keyframes bloomPulse {
  0% { transform: scale(0.95); }
  100% { transform: scale(1.1) rotate(5deg); }
}

.flora-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.flora-stage-tag {
  font-size: 15px;
  font-weight: 700;
  color: var(--pastel-pink);
}

.vitality-bar-container {
  height: 10px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.vitality-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--pastel-lavender), var(--pastel-pink), var(--pastel-mint));
  border-radius: var(--radius-full);
  transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.vitality-percent-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
}

.vitality-percent-row strong {
  color: #FFF;
}

/* Metrics Quad Grid */
.metrics-quad-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.metric-card {
  background: rgba(11, 15, 25, 0.5);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-card-title {
  font-size: 11px;
  color: var(--text-faint);
  font-weight: 600;
  text-transform: uppercase;
}

.metric-card-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 800;
}

.metric-card-value.time-accent { color: var(--pastel-pink); }
.metric-card-value.space-accent { color: var(--pastel-mint); }
.metric-card-value.nesting-accent { color: var(--pastel-butter); }
.metric-card-value.branch-accent { color: var(--pastel-sky); }

.metric-card-desc {
  font-size: 11px;
  color: var(--text-muted);
}

/* Insights Card */
.insights-card {
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.insights-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--pastel-mint);
}

.insights-list {
  padding-left: 20px;
  font-size: 13px;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* TAB 3: Living Digital Flora */
.garden-hero-text {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 10px;
}

.garden-hero-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #FFF, var(--pastel-pink), var(--pastel-mint));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.garden-hero-sub {
  font-size: 14px;
  color: var(--text-muted);
}

.garden-botanical-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 14px;
}

.specimen-card {
  background: rgba(18, 24, 40, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  position: relative;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.specimen-card:hover {
  transform: translateY(-6px) scale(1.03);
  border-color: var(--pastel-pink);
  box-shadow: var(--shadow-glow-pink);
}

.specimen-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  background: rgba(52, 211, 153, 0.2);
  color: var(--pastel-mint);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.specimen-icon {
  font-size: 56px;
  filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.4));
  transition: transform 0.25s;
}

.specimen-card:hover .specimen-icon {
  transform: scale(1.15) rotate(8deg);
}

.specimen-name {
  font-size: 16px;
  font-weight: 700;
}

.specimen-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

.specimen-water-btn {
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--pastel-sky);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  margin-top: 6px;
  transition: background 0.2s;
}

.specimen-water-btn:hover {
  background: rgba(56, 189, 248, 0.3);
}

/* TAB 4: Big-O Table */
.benchmark-title {
  font-size: 24px;
  font-weight: 800;
}

.benchmark-sub {
  font-size: 14px;
  color: var(--text-muted);
}

.table-responsive-wrapper {
  overflow-x: auto;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.matrix-table th {
  padding: 14px 18px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-faint);
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-subtle);
}

.matrix-table td {
  padding: 16px 18px;
  font-size: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.algo-name-cell {
  color: #FFF;
  font-weight: 700;
}

.complexity-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  display: inline-block;
}

.complexity-tag.green {
  background: rgba(52, 211, 153, 0.15);
  color: var(--pastel-mint);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.complexity-tag.teal {
  background: rgba(56, 189, 248, 0.15);
  color: var(--pastel-sky);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.complexity-tag.orange {
  background: rgba(245, 158, 11, 0.15);
  color: var(--pastel-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.complexity-tag.red {
  background: rgba(251, 113, 133, 0.15);
  color: var(--pastel-rose);
  border: 1px solid rgba(251, 113, 133, 0.3);
}

.pill-check {
  color: var(--pastel-mint);
  font-weight: 600;
  font-size: 12px;
}

.pill-cross {
  color: var(--pastel-rose);
  font-weight: 600;
  font-size: 12px;
}

/* Footer */
.app-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 20px;
  border-top: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-muted);
}

.footer-right {
  display: flex;
  gap: 10px;
}

.footer-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
}