/* EquiliPrism CSS Design System & Theme Stylesheet */

/* --- Custom Variables & Themes --- */
:root {
  /* Default: Dark Space Theme */
  --bg-color: hsl(226, 23%, 11%);
  --bg-gradient: radial-gradient(circle at 50% 50%, hsl(226, 25%, 15%) 0%, hsl(226, 23%, 8%) 100%);
  --card-bg: rgba(26, 32, 48, 0.65);
  --card-border: rgba(255, 255, 255, 0.08);
  --text-main: hsl(210, 20%, 98%);
  --text-muted: hsl(215, 15%, 72%);
  --border-radius-lg: 20px;
  --border-radius-md: 12px;
  --border-radius-sm: 8px;
  
  /* Accent HSL Colors */
  --accent-violet: 263, 90%, 64%;
  --accent-cyan: 190, 95%, 48%;
  --accent-green: 145, 80%, 46%;
  --accent-pink: 329, 86%, 56%;
  --accent-amber: 38, 92%, 52%;
  
  --shadow-glow: 0 8px 32px 0 rgba(109, 40, 217, 0.25);
  --shadow-card: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
  --transition-smooth: all 0.15s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-spring: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Light Neon Theme overrides */
body.theme-light {
  --bg-color: hsl(210, 20%, 96%);
  --bg-gradient: linear-gradient(135deg, hsl(210, 30%, 98%) 0%, hsl(210, 20%, 92%) 100%);
  --card-bg: rgba(255, 255, 255, 0.8);
  --card-border: rgba(0, 0, 0, 0.06);
  --text-main: hsl(224, 25%, 12%);
  --text-muted: hsl(220, 15%, 45%);
  --shadow-glow: 0 8px 32px 0 rgba(109, 40, 217, 0.12);
  --shadow-card: 0 10px 30px -10px rgba(100, 116, 139, 0.25);
}

/* Cyber Neon Theme overrides */
body.theme-cyber {
  --bg-color: #05020c;
  --bg-gradient: radial-gradient(circle at 50% 50%, #0d061f 0%, #030107 100%);
  --card-bg: rgba(9, 4, 18, 0.96);
  --card-border: #00ffcc;
  --text-main: #00ffcc;
  --text-muted: #ff00ff;
  --shadow-glow: 0 0 25px rgba(0, 255, 204, 0.6);
  --shadow-card: 0 0 20px rgba(190, 24, 242, 0.5), inset 0 0 10px rgba(0, 255, 204, 0.15);

  /* Scrolling Cyber Grid Background */
  background-image: 
    linear-gradient(rgba(0, 255, 204, 0.07) 1.5px, transparent 1.5px),
    linear-gradient(90deg, rgba(190, 24, 242, 0.07) 1.5px, transparent 1.5px);
  background-size: 50px 50px;
  animation: cyber-grid-scroll 12s linear infinite;
  position: relative;
}

@keyframes cyber-grid-scroll {
  0% { background-position: 0 0; }
  100% { background-position: 50px 50px; }
}

/* Sunset Glow Theme overrides */
body.theme-sunset {
  --bg-color: hsl(330, 45%, 8%);
  --bg-gradient: linear-gradient(135deg, hsl(340, 85%, 28%) 0%, hsl(300, 70%, 18%) 50%, hsl(260, 60%, 10%) 100%);
  --card-bg: rgba(45, 12, 38, 0.65);
  --card-border: rgba(236, 72, 153, 0.25);
  --text-main: hsl(35, 100%, 96%);
  --text-muted: hsl(340, 30%, 80%);
  --shadow-glow: 0 8px 32px 0 rgba(236, 72, 153, 0.25);
  --shadow-card: 0 10px 40px -10px rgba(236, 72, 153, 0.3);
}

/* Ocean Breeze Theme overrides */
body.theme-ocean {
  --bg-color: hsl(205, 50%, 8%);
  --bg-gradient: linear-gradient(135deg, hsl(210, 55%, 14%) 0%, hsl(195, 60%, 10%) 50%, hsl(180, 45%, 6%) 100%);
  --card-bg: rgba(10, 30, 45, 0.65);
  --card-border: rgba(6, 182, 212, 0.25);
  --text-main: hsl(195, 80%, 96%);
  --text-muted: hsl(195, 30%, 75%);
  --shadow-glow: 0 8px 32px 0 rgba(6, 182, 212, 0.15);
  --shadow-card: 0 10px 40px -10px rgba(4, 18, 30, 0.4);
}

/* Forest Canopy Theme */
body.theme-forest {
  --bg-color: hsl(151, 36%, 9%);
  --bg-gradient: radial-gradient(circle at 15% 15%, hsl(144, 42%, 21%) 0%, transparent 34%),
    radial-gradient(circle at 85% 80%, hsl(92, 38%, 17%) 0%, transparent 32%),
    linear-gradient(145deg, hsl(157, 37%, 13%), hsl(142, 40%, 7%));
  --card-bg: rgba(13, 43, 33, 0.72);
  --card-border: rgba(134, 239, 172, 0.2);
  --text-main: hsl(120, 43%, 96%);
  --text-muted: hsl(132, 28%, 77%);
  --accent-violet: 147, 52%, 46%;
  --accent-cyan: 171, 73%, 47%;
  --accent-green: 93, 66%, 50%;
  --accent-pink: 42, 88%, 61%;
  --accent-amber: 42, 92%, 56%;
  --shadow-glow: 0 10px 34px -12px rgba(74, 222, 128, 0.32);
  --shadow-card: 0 14px 34px -16px rgba(0, 20, 12, 0.72);
}

/* Aurora Theme */
body.theme-aurora {
  --bg-color: hsl(247, 38%, 10%);
  --bg-gradient: radial-gradient(ellipse at 18% 5%, hsl(176, 72%, 26%) 0%, transparent 35%),
    radial-gradient(ellipse at 88% 15%, hsl(289, 65%, 29%) 0%, transparent 39%),
    linear-gradient(160deg, hsl(240, 44%, 15%), hsl(256, 45%, 8%));
  --card-bg: rgba(29, 29, 71, 0.68);
  --card-border: rgba(196, 181, 253, 0.25);
  --text-main: hsl(250, 100%, 97%);
  --text-muted: hsl(247, 43%, 80%);
  --accent-violet: 271, 91%, 71%;
  --accent-cyan: 174, 84%, 56%;
  --accent-green: 142, 76%, 55%;
  --accent-pink: 315, 85%, 69%;
  --accent-amber: 47, 96%, 64%;
  --shadow-glow: 0 12px 38px -14px rgba(167, 139, 250, 0.42);
  --shadow-card: 0 16px 42px -18px rgba(14, 12, 48, 0.76);
}

/* Doodle Mode: a bright sketchbook with ink-and-crayon accents. */
body.theme-doodle {
  --bg-color: hsl(326, 100%, 97%);
  --bg-gradient: radial-gradient(circle at 9% 12%, rgba(251, 113, 133, 0.17) 0 7%, transparent 7.3%),
    radial-gradient(circle at 91% 22%, rgba(125, 211, 252, 0.25) 0 8%, transparent 8.3%),
    radial-gradient(circle at 82% 82%, rgba(253, 224, 71, 0.28) 0 6%, transparent 6.3%),
    repeating-linear-gradient(0deg, transparent 0 27px, rgba(147, 197, 253, 0.18) 28px 29px),
    linear-gradient(90deg, transparent 0 72px, rgba(251, 113, 133, 0.28) 73px 75px, transparent 76px),
    hsl(326, 100%, 97%);
  --card-bg: rgba(255, 255, 255, 0.9);
  --card-border: rgba(110, 75, 114, 0.24);
  --text-main: hsl(283, 31%, 23%);
  --text-muted: hsl(282, 20%, 38%);
  --accent-violet: 273, 67%, 58%;
  --accent-cyan: 192, 73%, 39%;
  --accent-green: 151, 55%, 35%;
  --accent-pink: 337, 76%, 51%;
  --accent-amber: 31, 85%, 44%;
  --shadow-glow: 4px 5px 0 rgba(253, 224, 71, 0.46);
  --shadow-card: 4px 5px 0 rgba(135, 83, 126, 0.16);
}

body.theme-doodle .glass-card,
body.theme-doodle .modal-content {
  border-style: dashed;
  border-radius: 18px 22px 17px 21px;
  box-shadow: var(--shadow-card);
}

body.theme-doodle .doodle-stickers {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

body.theme-doodle .doodle-sticker {
  display: block;
  position: fixed;
  z-index: 0;
  pointer-events: none;
  user-select: none;
  opacity: 0.72;
  filter: none;
}

body.theme-doodle .doodle-sticker path,
body.theme-doodle .doodle-sticker polygon,
body.theme-doodle .doodle-sticker circle,
body.theme-doodle .doodle-sticker ellipse {
  fill: #fffdf8 !important;
  stroke: #202733 !important;
}

body.theme-doodle .doodle-sticker path[fill="none"] {
  fill: none !important;
}

body.theme-doodle .doodle-sticker line {
  stroke: #202733 !important;
}

body.theme-doodle .doodle-cat ellipse,
body.theme-doodle .doodle-star circle:nth-of-type(-n + 2),
body.theme-doodle .doodle-cloud circle {
  fill: #202733 !important;
}

body.theme-doodle .doodle-cat {
  width: clamp(2.5rem, 4.5vw, 3.8rem);
  top: 29%;
  left: 22%;
  transform: rotate(-9deg);
}

body.theme-doodle .doodle-star {
  width: clamp(2.1rem, 3.7vw, 3.1rem);
  left: 69%;
  top: 40%;
  transform: rotate(11deg);
}

body.theme-doodle .doodle-cloud {
  width: clamp(3.5rem, 6.5vw, 5rem);
  left: 45%;
  top: 76%;
  transform: rotate(4deg);
}

body:not(.theme-doodle) .doodle-stickers {
  display: none;
}

body.theme-doodle .app-header,
body.theme-doodle .app-main,
body.theme-doodle .seo-footer,
body.theme-doodle #sparky-widget-container {
  z-index: 1;
}

body.theme-doodle .seo-footer {
  position: relative;
}

body.theme-doodle .app-header {
  background: rgba(255, 244, 251, 0.78);
}

body.theme-doodle .nav-btn.active,
body.theme-doodle .puzzle-btn.primary {
  box-shadow: 3px 4px 0 rgba(37, 54, 84, 0.28);
}

body.theme-doodle .nav-btn.active:hover,
body.theme-doodle .puzzle-btn.primary:hover {
  transform: translate(1px, 1px);
  box-shadow: 2px 3px 0 rgba(37, 54, 84, 0.28);
}

body.theme-doodle .logo-icon {
  animation: doodle-wiggle 2.8s ease-in-out infinite;
}

@keyframes doodle-wiggle {
  0%, 100% { transform: rotate(-5deg) scale(1); }
  50% { transform: rotate(5deg) scale(1.12); }
}

@media (max-width: 700px) {
  body.theme-doodle .doodle-cat {
    left: 14%;
    top: 25%;
  }

  body.theme-doodle .doodle-star {
    left: 76%;
    top: 39%;
  }

  body.theme-doodle .doodle-cloud {
    left: 39%;
    top: 78%;
  }
}

/* --- Base Resets & Layout --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Outfit', 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background: var(--bg-gradient);
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.3s ease;
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
}

.seo-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem 1rem;
  padding: 1.5rem 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.seo-footer a {
  color: hsl(var(--accent-cyan));
  text-decoration: none;
}

.seo-footer a:hover,
.seo-footer a:focus-visible {
  text-decoration: underline;
}

/* --- Header & Navigation --- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 2.5rem;
  background: rgba(var(--accent-violet), 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.logo-icon {
  font-size: 1.8rem;
  background: linear-gradient(135deg, hsl(var(--accent-violet)), hsl(var(--accent-pink)));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: pulse-grow 3s infinite ease-in-out;
}

.header-logo h1 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, var(--text-main), hsl(var(--accent-cyan)));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.app-nav {
  display: flex;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.4rem;
  border-radius: 50px;
  border: 1px solid var(--card-border);
}

.nav-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-smooth);
}

.nav-icon {
  width: 18px;
  height: 18px;
  transition: transform 0.3s ease;
}

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

.nav-btn:hover .nav-icon {
  transform: translateY(-2px);
}

.nav-btn.active {
  color: #fff;
  background: linear-gradient(135deg, hsl(var(--accent-violet)) 0%, hsl(var(--accent-cyan)) 100%);
  box-shadow: 0 4px 15px rgba(109, 40, 217, 0.3);
}

.header-status {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.03);
}

.badge-label {
  color: var(--text-muted);
  font-weight: 400;
}

.difficulty-badge {
  border-color: rgba(var(--accent-amber), 0.3);
}
.difficulty-badge .badge-val {
  color: hsl(var(--accent-amber));
  text-shadow: 0 0 10px rgba(var(--accent-amber), 0.3);
}

.style-badge {
  border-color: rgba(var(--accent-cyan), 0.3);
}
.style-badge .badge-val {
  color: hsl(var(--accent-cyan));
  text-shadow: 0 0 10px rgba(var(--accent-cyan), 0.3);
}

.theme-toggle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  transition: var(--transition-spring);
}

.theme-toggle-btn:hover {
  transform: rotate(30deg) scale(1.1);
  background: rgba(255, 255, 255, 0.1);
}

.toggle-icon {
  width: 20px;
  height: 20px;
}

/* --- Main Layout --- */
.app-main {
  flex: 1;
  padding: 2rem 3rem;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  position: relative;
  display: flex;
  flex-direction: column;
}

.loading-spinner {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 60vh;
  font-size: 1.2rem;
  color: var(--text-muted);
}

/* --- UI Cards & Grid --- */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

/* --- Dashboard Screen CSS --- */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
  margin-top: 1rem;
}

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

.welcome-banner {
  background: linear-gradient(135deg, rgba(var(--accent-violet), 0.15) 0%, rgba(var(--accent-pink), 0.05) 100%);
  border: 1px solid rgba(var(--accent-violet), 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
  overflow: hidden;
  position: relative;
}

.welcome-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(var(--accent-cyan), 0.2) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
}

.welcome-text h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: linear-gradient(to right, #fff, hsl(var(--accent-cyan)));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.welcome-text p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 500px;
  line-height: 1.5;
}

.persona-picker-section {
  margin-top: 2rem;
}

.section-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 20px;
  background: hsl(var(--accent-violet));
  border-radius: 4px;
}

.persona-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.2rem;
}

.persona-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  cursor: pointer;
  transition: var(--transition-spring);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.8rem;
}

.persona-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(var(--accent-violet), 0.3);
}

.persona-card.active {
  background: rgba(var(--accent-violet), 0.08);
  border-color: hsl(var(--accent-violet));
  box-shadow: 0 0 20px rgba(109, 40, 217, 0.15);
}

.persona-icon {
  font-size: 2.2rem;
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-spring);
}

.persona-card.active .persona-icon {
  background: linear-gradient(135deg, hsl(var(--accent-violet)), hsl(var(--accent-cyan)));
  transform: scale(1.1);
}

.persona-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.persona-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.active-glow-indicator {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: hsl(var(--accent-green));
  opacity: 0;
  box-shadow: 0 0 10px hsl(var(--accent-green));
  transition: var(--transition-smooth);
}

.persona-card.active .active-glow-indicator {
  opacity: 1;
}

/* Labs Selector on Dashboard */
.labs-selector-section {
  margin-top: 2rem;
}

.lab-cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.lab-preview-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border: 1px solid var(--card-border);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.01) 100%);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.lab-preview-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(to right, transparent, transparent);
  transition: var(--transition-smooth);
}

.lab-preview-card:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.04);
}

.lab-preview-card.math:hover::after {
  background: linear-gradient(to right, hsl(var(--accent-amber)), hsl(var(--accent-pink)));
}

.lab-preview-card.science:hover::after {
  background: linear-gradient(to right, hsl(var(--accent-cyan)), hsl(var(--accent-green)));
}

.lab-tag {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.lab-preview-card.math .lab-tag {
  background: rgba(var(--accent-amber), 0.15);
  color: hsl(var(--accent-amber));
}

.lab-preview-card.science .lab-tag {
  background: rgba(var(--accent-cyan), 0.15);
  color: hsl(var(--accent-cyan));
}

.lab-preview-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
}

.lab-preview-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.4;
  flex-grow: 1;
}

.lab-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.lab-difficulty-bar {
  display: flex;
  gap: 3px;
}

.diff-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
}

.lab-preview-card.math .diff-dot.active {
  background: hsl(var(--accent-amber));
  box-shadow: 0 0 6px hsl(var(--accent-amber));
}

.lab-preview-card.science .diff-dot.active {
  background: hsl(var(--accent-cyan));
  box-shadow: 0 0 6px hsl(var(--accent-cyan));
}

.enter-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text-main);
  transition: var(--transition-smooth);
}

.lab-preview-card:hover .enter-btn {
  background: #fff;
  color: #000;
  border-color: #fff;
}

/* Sidebar Analytics Card */
.analytics-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.analytics-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
}

.analytics-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.progress-stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stat-item {
  background: rgba(255, 255, 255, 0.015);
  padding: 1rem;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--card-border);
}

.stat-label-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.stat-title {
  font-weight: 500;
}

.stat-val {
  font-weight: 700;
}

.progress-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 3px;
  width: 0;
  transition: width 1s cubic-bezier(0.1, 0.8, 0.2, 1);
}

.stat-item.math .progress-bar-fill {
  background: linear-gradient(to right, hsl(var(--accent-amber)), hsl(var(--accent-pink)));
}

.stat-item.science .progress-bar-fill {
  background: linear-gradient(to right, hsl(var(--accent-cyan)), hsl(var(--accent-green)));
}

/* Creative Sandbox quick links */
.creative-sandbox-pitch {
  margin-top: 1.5rem;
  background: linear-gradient(135deg, rgba(var(--accent-pink), 0.08) 0%, rgba(var(--accent-violet), 0.08) 100%);
  border: 1px solid rgba(var(--accent-pink), 0.15);
  padding: 1.2rem;
  border-radius: var(--border-radius-md);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.creative-sandbox-pitch h4 {
  font-weight: 700;
  color: hsl(var(--accent-pink));
}

.creative-sandbox-pitch p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.sandbox-launch-btn {
  background: linear-gradient(to right, hsl(var(--accent-pink)), hsl(var(--accent-violet)));
  color: white;
  border: none;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.6rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
  text-align: center;
  box-shadow: 0 4px 15px rgba(236, 72, 153, 0.2);
}

.sandbox-launch-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(236, 72, 153, 0.35);
}

/* --- Puzzle / Module Common Layout --- */
.lab-container {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 2rem;
  flex: 1;
}

@media (max-width: 1024px) {
  .lab-container {
    grid-template-columns: 1fr;
  }
}

.puzzle-workspace-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-height: 580px;
}

.puzzle-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 1rem;
}

.puzzle-title h2 {
  font-size: 1.6rem;
  font-weight: 800;
}

.puzzle-title p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.puzzle-controls {
  display: flex;
  gap: 0.8rem;
}

.puzzle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  color: var(--text-main);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-smooth);
}

.puzzle-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.puzzle-btn.primary {
  background: hsl(var(--accent-green));
  color: #fff;
  border: none;
}
.puzzle-btn.primary:hover {
  background: hsl(var(--accent-green), 90%, 40%);
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

/* --- Balance Lab Specific styles --- */
.balance-scale-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

.balance-svg {
  width: 100%;
  max-width: 600px;
  height: 320px;
}

.balance-stand {
  fill: hsl(220, 15%, 30%);
}

.balance-beam {
  stroke: hsl(220, 10%, 45%);
  stroke-width: 8;
  stroke-linecap: round;
  transition: transform 0.8s cubic-bezier(0.1, 0.8, 0.2, 1);
  transform-origin: 300px 100px;
}

.balance-plate-left,
.balance-plate-right {
  transition: transform 0.8s cubic-bezier(0.1, 0.8, 0.2, 1);
  transform-origin: 300px 100px;
}

.dropzone {
  fill: rgba(255, 255, 255, 0.02);
  stroke: rgba(255, 255, 255, 0.1);
  stroke-width: 2;
  stroke-dasharray: 4 4;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.dropzone:hover, .dropzone.dragover {
  fill: rgba(var(--accent-violet), 0.08);
  stroke: hsl(var(--accent-violet));
}

/* Draggable Items Palette */
.inventory-bar {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  padding: 1rem;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.inventory-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  cursor: grab;
  user-select: none;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.6rem 1rem;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--card-border);
  transition: var(--transition-spring);
}

.inventory-item:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
}

.inventory-item:active {
  cursor: grabbing;
}

.item-visual {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
}

.item-visual.weight {
  background: linear-gradient(135deg, hsl(var(--accent-amber)) 0%, hsl(var(--accent-pink)) 100%);
  color: white;
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.25);
}

.item-visual.chest {
  background: linear-gradient(135deg, hsl(var(--accent-violet)) 0%, hsl(var(--accent-cyan)) 100%);
  color: white;
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(109, 40, 217, 0.25);
}

.item-visual.balloon {
  background: linear-gradient(135deg, #ef4444 0%, #f43f5e 100%);
  border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
  color: white;
  box-shadow: 0 4px 10px rgba(239, 68, 68, 0.25);
}

.item-label {
  font-size: 0.8rem;
  font-weight: 600;
}

.algebraic-actions {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  margin-top: 1rem;
}

/* SVG Weights styles */
.svg-element {
  cursor: grab;
  transition: transform 0.1s ease;
}

.svg-element.weight-block {
  fill: url(#weightGradient);
  stroke: #ffffff33;
}

.svg-element.chest-block {
  fill: url(#chestGradient);
  stroke: #ffffff33;
}

.svg-element.balloon-block {
  fill: url(#balloonGradient);
}

.svg-element:hover {
  filter: brightness(1.2);
}

/* Math Equation Display */
.equation-display {
  background: rgba(0, 0, 0, 0.3);
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  font-family: monospace;
  font-size: 1.3rem;
  font-weight: 700;
  border: 1px solid var(--card-border);
  letter-spacing: 1px;
}

.eq-left {
  color: hsl(var(--accent-pink));
}
.eq-equal {
  color: #fff;
  margin: 0 0.5rem;
}
.eq-right {
  color: hsl(var(--accent-cyan));
}

/* --- Photon Lab Specific styles --- */
.photon-canvas-wrapper {
  flex: 1;
  background: #020205;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--card-border);
  position: relative;
  overflow: hidden;
  display: flex;
}

.photon-canvas {
  width: 100%;
  height: 100%;
  min-height: 400px;
  cursor: crosshair;
  touch-action: none;
  background: radial-gradient(circle at center, #0b071a 0%, #020205 100%);
}

.optics-toolbox {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  padding: 1rem;
  border-radius: var(--border-radius-md);
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.tool-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  padding: 0.6rem 1rem;
  border-radius: var(--border-radius-sm);
  cursor: grab;
  user-select: none;
  transition: var(--transition-spring);
}

.tool-item:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(var(--accent-cyan), 0.4);
}

.tool-item.active {
  border-color: hsl(var(--accent-cyan));
  background: rgba(var(--accent-cyan), 0.08);
}

.tool-icon-wrapper {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Prism color splits keyframes */
@keyframes beam-pulse {
  0% { opacity: 0.85; }
  50% { opacity: 1; stroke-width: 3; }
  100% { opacity: 0.85; }
}

/* --- Sparky Panel Styles --- */
.sparky-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-left: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.01);
  padding: 1.5rem;
  border-radius: 0 var(--border-radius-lg) var(--border-radius-lg) 0;
  max-height: 600px;
  overflow-y: auto;
}

@media (max-width: 1024px) {
  .sparky-panel {
    border-left: none;
    border-top: 1px solid var(--card-border);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
  }
}

.sparky-character-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  text-align: center;
  position: relative;
}

.sparky-avatar {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(var(--accent-violet), 0.25) 0%, rgba(var(--accent-cyan), 0.15) 100%);
  border: 2px solid hsl(var(--accent-violet));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(109, 40, 217, 0.2);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  animation: float 4s ease-in-out infinite;
}

.sparky-avatar svg {
  width: 60px;
  height: 60px;
  transition: var(--transition-spring);
}

.sparky-avatar:hover svg {
  transform: scale(1.1) rotate(5deg);
}

.sparky-name {
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
}

.sparky-bubble {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 1rem;
  border-radius: var(--border-radius-md);
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-main);
  position: relative;
  box-shadow: var(--shadow-card);
}

.sparky-bubble::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 16px;
  height: 16px;
  background: var(--card-bg);
  border-left: 1px solid var(--card-border);
  border-top: 1px solid var(--card-border);
}

.sparky-progress {
  background: rgba(var(--accent-cyan), 0.08);
  border: 1px solid rgba(var(--accent-cyan), 0.22);
  border-radius: var(--border-radius-sm);
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  font-size: 0.76rem;
  gap: 0.3rem;
  line-height: 1.35;
  padding: 0.7rem 0.8rem;
}

.sparky-progress strong {
  color: hsl(var(--accent-cyan));
}

.sparky-progress span {
  color: hsl(var(--accent-green));
}

.sparky-actions {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.sparky-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.6rem 0.8rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: var(--transition-smooth);
}

.sparky-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border-color: rgba(var(--accent-violet), 0.4);
}

.sparky-btn.active {
  background: rgba(var(--accent-violet), 0.1);
  color: hsl(var(--accent-violet));
  border-color: hsl(var(--accent-violet));
}

/* Animations */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

@keyframes sparky-blink {
  0%, 90%, 100% {
    transform: scaleY(1);
  }
  95% {
    transform: scaleY(0.1);
  }
}

@keyframes sparky-hop {
  0%, 100% {
    transform: translateY(0) scaleY(1);
  }
  50% {
    transform: translateY(-12px) scaleY(1.1);
  }
}

@keyframes sparky-shake {
  0%, 100% { transform: translateX(0) rotate(0deg); }
  25% { transform: translateX(-4px) rotate(-3deg); }
  75% { transform: translateX(4px) rotate(3deg); }
}

@keyframes flap-left {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(-10deg); }
}

@keyframes flap-right {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(10deg); }
}

.wing-l {
  transform-box: fill-box;
  transform-origin: right center;
  animation: flap-left 2s ease-in-out infinite;
}

.wing-r {
  transform-box: fill-box;
  transform-origin: left center;
  animation: flap-right 2s ease-in-out infinite;
}

.sparky-eyes circle {
  transform-box: fill-box;
  transform-origin: center;
  animation: sparky-blink 4.5s ease-in-out infinite;
}

.sparky-avatar.mood-happy svg {
  animation: sparky-hop 0.5s ease-out 2;
}

.sparky-avatar.mood-confused svg {
  animation: sparky-shake 0.4s ease-in-out 2;
}

.sparky-avatar.mood-thinking {
  animation: float 2s ease-in-out infinite; /* slightly faster float when thinking */
}

/* Float preview avatar in wardrobe */
.wardrobe-preview-mount svg {
  animation: float 4s ease-in-out infinite;
}

@keyframes pulse-grow {
  0% { transform: scale(1); filter: drop-shadow(0 0 2px rgba(109, 40, 217, 0.2)); }
  50% { transform: scale(1.08); filter: drop-shadow(0 0 12px rgba(109, 40, 217, 0.6)); }
  100% { transform: scale(1); filter: drop-shadow(0 0 2px rgba(109, 40, 217, 0.2)); }
}

/* --- Animated Concept Studio / Explainers --- */
.explainers-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
}

@media (max-width: 800px) {
  .explainers-grid {
    grid-template-columns: 1fr;
  }
}

.explainer-list-card {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.explainer-item {
  padding: 1rem;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--card-border);
  background: rgba(255, 255, 255, 0.01);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.explainer-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.explainer-item.active {
  background: rgba(var(--accent-cyan), 0.08);
  border-color: hsl(var(--accent-cyan));
}

.explainer-item h4 {
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.explainer-item p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.explainer-viewer-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-height: 500px;
}

.explainer-animation-container {
  flex: 1;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

.explainer-svg-canvas {
  width: 100%;
  height: 100%;
  max-height: 380px;
}

.explainer-controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.playback-controls {
  display: flex;
  gap: 0.8rem;
}

/* Modal styling for sandbox creation save/load */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--bg-gradient);
  background-color: var(--bg-color);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 20px 50px rgba(0,0,0,0.8);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.modal-body {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.modal-input {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--card-border);
  padding: 0.8rem 1rem;
  border-radius: var(--border-radius-sm);
  color: var(--text-main);
  font-family: inherit;
}

.modal-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 0.8rem;
}

/* Sandbox component styling overrides */
.sandbox-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sandbox-mode-toggle {
  display: flex;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 50px;
  padding: 0.25rem;
  border: 1px solid var(--card-border);
}

.sandbox-toggle-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 0.5rem;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.sandbox-toggle-btn.active {
  color: white;
  background: hsl(var(--accent-pink));
}

.sandbox-item-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.sandbox-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
}

.sandbox-trash-btn {
  background: transparent;
  border: none;
  color: #ef4444;
  cursor: pointer;
  padding: 0.2rem;
}

.sandbox-trash-btn:hover {
  transform: scale(1.1);
}

/* --- Sparky Interactive Highlights --- */
@keyframes glow-pulse {
  0% { box-shadow: 0 0 5px #ec4899; border-color: #ec4899; transform: scale(1); }
  50% { box-shadow: 0 0 20px #ec4899; border-color: #ec4899; transform: scale(1.03); }
  100% { box-shadow: 0 0 5px #ec4899; border-color: #ec4899; transform: scale(1); }
}
.glow-highlight {
  animation: glow-pulse 1.5s infinite ease-in-out !important;
  border-color: #ec4899 !important;
}

@keyframes svg-glow-pulse {
  0% { filter: drop-shadow(0 0 2px #ec4899); stroke: #ec4899; }
  50% { filter: drop-shadow(0 0 15px #ec4899); stroke: #f43f5e; }
  100% { filter: drop-shadow(0 0 2px #ec4899); stroke: #ec4899; }
}
.svg-glow-highlight {
  animation: svg-glow-pulse 1.5s infinite ease-in-out !important;
  stroke-width: 2.5px !important;
}

/* --- Wardrobe / Closet Styles --- */
.wardrobe-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  align-items: start;
}
.sandbox-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  flex: 1;
}
.wardrobe-preview-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2rem;
  position: sticky;
  top: 100px;
}
.wardrobe-preview-mount {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 160px;
  height: 160px;
  margin: 1.5rem 0;
  background: rgba(255,255,255,0.02);
  border-radius: 50%;
  border: 1px dashed var(--card-border);
  position: relative;
}
.wardrobe-preview-mount svg {
  width: 140px;
  height: 140px;
}
.wardrobe-tabs {
  display: flex;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 0.5rem;
}
.wardrobe-tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-smooth);
}
.wardrobe-tab-btn:hover {
  color: var(--text-main);
  background: rgba(255,255,255,0.03);
}
.wardrobe-tab-btn.active {
  color: hsl(var(--accent-pink));
  background: rgba(236, 72, 153, 0.1);
}
.wardrobe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.2rem;
}
.reward-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.2rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  transition: var(--transition-spring);
  position: relative;
  overflow: hidden;
}
.reward-card:hover {
  transform: translateY(-8px) scale(1.03);
  border-color: hsl(var(--accent-pink));
  box-shadow: 0 12px 30px -5px rgba(236, 72, 153, 0.35), var(--shadow-glow);
}
.reward-card:hover .reward-icon-wrapper svg {
  animation: float 2s ease-in-out infinite;
}
.reward-card.locked {
  opacity: 0.5;
}
.reward-card.locked:hover {
  transform: none;
  border-color: var(--card-border);
}
.reward-card.equipped {
  border-color: hsl(var(--accent-pink));
  box-shadow: 0 0 15px rgba(236, 72, 153, 0.15);
}
.reward-icon-wrapper {
  width: 64px;
  height: 64px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 0.8rem;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
}
.reward-icon-wrapper svg {
  width: 48px;
  height: 48px;
}
.reward-name {
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}
.reward-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.3;
  margin-bottom: 0.8rem;
  min-height: 2.6em;
}
.reward-status-lbl {
  font-size: 0.72rem;
  font-weight: bold;
  color: hsl(var(--accent-pink));
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.reward-status-lbl.locked {
  color: var(--text-muted);
}
.reward-status-lbl.unlocked {
  color: hsl(var(--accent-green));
}
.reward-equip-btn {
  width: 100%;
  padding: 0.45rem;
  font-size: 0.8rem;
  font-weight: 700;
  margin-top: 0.5rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
}
.lock-overlay {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(0,0,0,0.4);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Rainbow glow for Unicorn Horn */
@keyframes rainbow-glow {
  0% { filter: drop-shadow(0 0 2px #ef4444); fill: #ef4444; }
  25% { filter: drop-shadow(0 0 6px #3b82f6); fill: #3b82f6; }
  50% { filter: drop-shadow(0 0 10px #10b981); fill: #10b981; }
  75% { filter: drop-shadow(0 0 6px #fbbf24); fill: #fbbf24; }
  100% { filter: drop-shadow(0 0 2px #ef4444); fill: #ef4444; }
}
.glow-rainbow polygon {
  animation: rainbow-glow 4s infinite linear;
}

/* Soundtrack Player styles */
.record-vinyl {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, #27272a 35%, #09090b 40%, #18181b 45%, #09090b 50%, #27272a 55%, #09090b 60%, #1f1f23 65%, #09090b 70%, #27272a 75%, #09090b 80%, #18181b 90%, #000000 100%);
  border: 4px solid #18181b;
  position: relative;
  box-shadow: inset 0 0 20px rgba(255,255,255,0.05), 0 10px 30px rgba(0,0,0,0.5);
}
.record-vinyl::before {
  content: '';
  position: absolute;
  top: 5%;
  left: 5%;
  right: 5%;
  bottom: 5%;
  border-radius: 50%;
  border: 1px double rgba(255,255,255,0.03);
  pointer-events: none;
}
.record-center {
  position: absolute;
  top: 35%;
  left: 35%;
  width: 30%;
  height: 30%;
  border-radius: 50%;
  background: linear-gradient(135deg, hsl(var(--accent-pink)), hsl(var(--accent-violet)));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid #09090b;
}
.record-label-groove {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-color);
  border: 2px solid rgba(255,255,255,0.1);
}
@keyframes spin-vinyl {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.record-vinyl.spinning {
  animation: spin-vinyl 4s infinite linear;
}
.soundtrack-control-btn {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}
.soundtrack-control-btn:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  color: var(--text-main);
  transform: scale(1.05);
}
.soundtrack-control-btn.play-pause-active:hover {
  transform: scale(1.1) !important;
  box-shadow: 0 10px 30px rgba(236,72,153,0.5);
}
.soundtrack-control-btn:active {
  transform: scale(0.95);
}

/* Hover and active micro-animations for items, cards, and tools */
.tool-item, .inventory-item {
  transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.2s ease, border-color 0.2s ease;
}
.tool-item:hover, .inventory-item:hover {
  transform: scale(1.08) translateY(-3px);
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.12);
  border-color: hsl(var(--accent-cyan));
}

.persona-card {
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease, border-color 0.3s ease;
}
.persona-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: hsl(var(--accent-pink));
  box-shadow: 0 15px 35px -10px rgba(236, 72, 153, 0.35), var(--shadow-glow);
}

/* Custom Cyber Neon Overrides for Ultra-Neony Aesthetics */
body.theme-cyber h1, 
body.theme-cyber h2, 
body.theme-cyber h3,
body.theme-cyber .nav-logo span,
body.theme-cyber .logo-icon {
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.9), 0 0 6px rgba(0, 255, 204, 0.45) !important;
  color: #ffffff !important;
}

body.theme-cyber header {
  border-bottom: 2px solid rgba(0, 255, 204, 0.6) !important;
  box-shadow: 0 0 20px rgba(0, 255, 204, 0.3) !important;
}

body.theme-cyber .glass-card {
  background: rgba(8, 4, 18, 0.95) !important;
  border: 1.5px solid rgba(0, 255, 204, 0.5) !important;
  box-shadow: 0 0 20px rgba(190, 24, 242, 0.25), inset 0 0 10px rgba(0, 255, 204, 0.1) !important;
}

body.theme-cyber .glass-card:hover {
  border-color: #00ffcc !important;
  box-shadow: 0 0 30px rgba(0, 255, 204, 0.4), inset 0 0 12px rgba(190, 24, 242, 0.2) !important;
}

body.theme-cyber .nav-btn {
  border: 1px solid rgba(190, 24, 242, 0.5) !important;
  color: #ff00ff !important;
}

body.theme-cyber .nav-btn:hover {
  background: rgba(0, 255, 204, 0.15) !important;
  color: #00ffcc !important;
  border-color: #00ffcc !important;
  box-shadow: 0 0 15px rgba(0, 255, 204, 0.5) !important;
}

body.theme-cyber .nav-btn.active {
  background: rgba(190, 24, 242, 0.35) !important;
  border-color: #00ffcc !important;
  color: #fff !important;
  box-shadow: 0 0 20px rgba(190, 24, 242, 0.75), 0 0 5px #00ffcc !important;
}

body.theme-cyber .puzzle-btn.primary {
  background: linear-gradient(135deg, #ff007f 0%, #7b2cbf 100%) !important;
  box-shadow: 0 0 20px rgba(255, 0, 127, 0.6) !important;
  border: 1.5px solid #ff007f !important;
}

body.theme-cyber .puzzle-btn.primary:hover {
  box-shadow: 0 0 30px rgba(255, 0, 127, 0.95), 0 0 10px #00ffcc !important;
}

body.theme-cyber .level-btn {
  background: rgba(10, 6, 22, 0.85) !important;
  border: 1px solid rgba(190, 24, 242, 0.6) !important;
  color: #00ffcc !important;
}

body.theme-cyber .level-btn:hover {
  box-shadow: 0 0 10px rgba(0, 255, 204, 0.7) !important;
  border-color: #00ffcc !important;
}

body.theme-cyber .level-btn.active {
  background: #be18f2 !important;
  border-color: #00ffcc !important;
  color: #fff !important;
  box-shadow: 0 0 18px rgba(190, 24, 242, 0.9) !important;
}

body.theme-cyber .tool-item, 
body.theme-cyber .inventory-item {
  background: rgba(10, 6, 22, 0.95) !important;
  border: 1.5px solid rgba(190, 24, 242, 0.5) !important;
  box-shadow: 0 0 10px rgba(190, 24, 242, 0.25) !important;
}

body.theme-cyber .tool-item:hover, 
body.theme-cyber .inventory-item:hover {
  border-color: #00ffcc !important;
  box-shadow: 0 0 20px rgba(0, 255, 204, 0.7) !important;
}

body.theme-cyber .modal-content {
  background: rgba(8, 4, 18, 0.98) !important;
  border: 2.5px solid #be18f2 !important;
  box-shadow: 0 0 45px rgba(190, 24, 242, 0.8), inset 0 0 15px rgba(0, 255, 204, 0.15) !important;
}

body.theme-cyber #sparky-widget-container .sparky-widget-main {
  border: 2px solid #00ffcc !important;
  box-shadow: 0 0 25px rgba(0, 255, 204, 0.6), inset 0 0 12px rgba(190, 24, 242, 0.4) !important;
}

body.theme-cyber .stat-label, 
body.theme-cyber .status-badge,
body.theme-cyber .stat-value {
  text-shadow: 0 0 5px rgba(0, 255, 204, 0.5);
}

body.theme-cyber .status-badge.builder {
  color: #ffaa00 !important;
  text-shadow: 0 0 8px rgba(255, 170, 0, 0.9) !important;
  border-color: #ffaa00 !important;
}

body.theme-cyber .status-badge.logician {
  color: #00f3ff !important;
  text-shadow: 0 0 8px rgba(0, 243, 255, 0.9) !important;
  border-color: #00f3ff !important;
}

body.theme-cyber .status-badge.visualizer {
  color: #ff00ff !important;
  text-shadow: 0 0 8px rgba(255, 0, 255, 0.9) !important;
  border-color: #ff00ff !important;
}

/* CRT Scanline and screen flicker filter for retro cyber neon arcade look */
body.theme-cyber::before {
  content: " ";
  display: block;
  position: fixed;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.2) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.04), rgba(0, 255, 0, 0.01), rgba(0, 255, 255, 0.04));
  z-index: 99999;
  background-size: 100% 3.5px, 3.5px 100%;
  pointer-events: none;
  opacity: 0.75;
}

@media (max-width: 700px) {
  .app-header {
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 1rem;
  }

  .header-logo,
  .header-status {
    justify-content: center;
  }

  .header-logo,
  .header-status,
  .app-nav {
    width: 100%;
  }

  .header-status {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .app-nav {
    order: 3;
    justify-content: flex-start;
    overflow-x: auto;
    padding: 0.25rem;
  }

  .nav-btn {
    flex: 0 0 auto;
    min-height: 44px;
    padding: 0.5rem 0.8rem;
  }

  .app-main {
    padding: 1.25rem 1rem;
  }

  .puzzle-header-row {
    align-items: stretch;
    flex-direction: column;
    gap: 1rem;
  }

  .puzzle-controls {
    max-width: 100% !important;
  }

  .optics-toolbox {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .wardrobe-container,
  .sandbox-layout,
  .bugs-grid-layout,
  .video-grid {
    grid-template-columns: 1fr !important;
  }

  .wardrobe-preview-card {
    position: static;
  }

  .wardrobe-tabs {
    gap: 0.4rem;
    overflow-x: auto;
  }

  .wardrobe-tab-btn {
    flex: 0 0 auto;
  }

  .modal-overlay {
    align-items: flex-start;
    overflow-y: auto;
    padding: 1rem;
  }

  .modal-content {
    margin: auto;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
  }
}