/* ═══════════════════════════════════════════════════════════
   EDUKIDS — MAIN CSS
   Design Tokens · Reset · Base · Background · Layout
═══════════════════════════════════════════════════════════ */

/* ── Google Fonts Fallback ── */

/* ── Design Tokens ── */
:root {
  /* Background */
  --color-bg:           #0A0E27;
  --color-bg-2:         #12163A;
  --color-bg-card:      rgba(255, 255, 255, 0.07);
  --color-bg-card-hover:rgba(255, 255, 255, 0.13);

  /* Text */
  --color-text:         #F0F0FF;
  --color-text-muted:   rgba(240, 240, 255, 0.55);
  --color-text-dark:    #0A0E27;

  /* Accents */
  --color-accent:       #FFE66D;
  --color-accent-2:     #FF6B9D;
  --color-star:         #FFD700;
  --color-star-empty:   rgba(255, 215, 0, 0.25);

  /* Module Colors */
  --math-color:         #FF6B6B;
  --math-gradient:      linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
  --math-glow:          rgba(255, 107, 107, 0.4);

  --lang-color:         #4ECDC4;
  --lang-gradient:      linear-gradient(135deg, #4ECDC4 0%, #44A08D 100%);
  --lang-glow:          rgba(78, 205, 196, 0.4);

  --art-color:          #F093FB;
  --art-gradient:       linear-gradient(135deg, #F093FB 0%, #F5576C 100%);
  --art-glow:           rgba(240, 147, 251, 0.4);

  --music-color:        #4FACFE;
  --music-gradient:     linear-gradient(135deg, #4FACFE 0%, #00F2FE 100%);
  --music-glow:         rgba(79, 172, 254, 0.4);

  --science-color:      #43E97B;
  --science-gradient:   linear-gradient(135deg, #43E97B 0%, #38F9D7 100%);
  --science-glow:       rgba(67, 233, 123, 0.4);

  /* Typography */
  --font-heading:       'Fredoka One', 'Comic Sans MS', cursive;
  --font-body:          'Nunito', 'Arial Rounded MT Bold', sans-serif;

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Border Radius */
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-2xl: 32px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:   0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md:   0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-lg:   0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-xl:   0 16px 48px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --transition-fast:   0.15s ease;
  --transition:        0.25s ease;
  --transition-slow:   0.4s ease;

  /* Z-Index Scale */
  --z-bg:       0;
  --z-base:     1;
  --z-mascot:   10;
  --z-header:   20;
  --z-overlay:  100;
  --z-toast:    200;
}

/* ── Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  height: 100%;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  outline: none;
  background: none;
  touch-action: manipulation;
}

input {
  font-family: var(--font-body);
  outline: none;
  border: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

/* ── Animated Background ── */
.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  background: radial-gradient(ellipse at 20% 50%, #1a0e3a 0%, #0A0E27 50%, #0d1535 100%);
  overflow: hidden;
  pointer-events: none;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.25;
  pointer-events: none;
}

.bg-orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #6C63FF, transparent 70%);
  top: -150px;
  right: -150px;
  animation: orbFloat1 12s ease-in-out infinite;
}

.bg-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #FF6B9D, transparent 70%);
  bottom: -100px;
  left: -100px;
  animation: orbFloat2 15s ease-in-out infinite;
}

.bg-orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #4ECDC4, transparent 70%);
  top: 50%;
  left: 30%;
  transform: translateY(-50%);
  animation: orbFloat3 18s ease-in-out infinite;
}

/* Stars background layer */
.bg-stars-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.bg-star {
  position: absolute;
  border-radius: 50%;
  background: white;
  animation: starTwinkle var(--dur, 3s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

/* ── Screen System ── */
.screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(0.98);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
  z-index: var(--z-base);
  overflow: hidden;
}

.screen.active {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0) scale(1);
}

/* ── Splash Screen ── */
.splash-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-xl);
  max-width: 600px;
  width: 100%;
}

.app-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  position: relative;
}

.logo-stars-ring {
  position: absolute;
  width: 180px;
  height: 180px;
  top: -40px;
}

.logo-star {
  position: absolute;
  font-size: 24px;
  animation: orbitStar 4s linear infinite;
}

.logo-star.s1 { animation-delay: 0s; }
.logo-star.s2 { animation-delay: -1.33s; font-size: 28px; }
.logo-star.s3 { animation-delay: -2.66s; }

.app-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 8vw, 6rem);
  color: var(--color-text);
  letter-spacing: 2px;
  text-shadow:
    0 0 40px rgba(108, 99, 255, 0.8),
    0 4px 20px rgba(0, 0, 0, 0.5);
  animation: titleGlow 3s ease-in-out infinite;
  line-height: 1;
}

.app-tagline {
  font-family: var(--font-body);
  font-weight: 800;
  font-size: clamp(1rem, 3vw, 1.5rem);
  color: var(--color-accent);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* Descriptive sub-line under the tagline: speaks to the parent */
.app-tagline-sub {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(0.85rem, 2.2vw, 1.05rem);
  color: var(--color-text-muted, rgba(255, 255, 255, 0.75));
  letter-spacing: 0.3px;
  max-width: 520px;
  margin: 8px auto 0;
  line-height: 1.45;
}

/* ── Language Selector ── */
.lang-selector {
  display: flex;
  gap: var(--space-md);
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-full);
  padding: var(--space-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.lang-btn .lang-flag {
  font-size: 1.4rem;
}

.lang-btn:hover {
  color: var(--color-text);
  background: var(--color-bg-card-hover);
}

.lang-btn.active {
  background: linear-gradient(135deg, #6C63FF, #4FACFE);
  color: white;
  box-shadow: 0 4px 16px rgba(108, 99, 255, 0.4);
}

/* ── Screen Content (Profile, Achievements) ── */
.screen-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-xl);
  max-width: 700px;
  width: 100%;
  max-height: 100vh;
  overflow-y: auto;
  scrollbar-width: none;
}

.screen-content::-webkit-scrollbar { display: none; }

.screen-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--color-text);
  text-align: center;
}

/* ── Avatar Grid ── */
.avatar-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
  width: 100%;
  max-width: 450px;
}

.avatar-option {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 70px;
  height: 70px;
  font-size: 2.5rem;
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 3px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  margin: 0 auto;
}

.avatar-option:hover {
  transform: scale(1.1);
  background: var(--color-bg-card-hover);
}

.avatar-option.selected {
  border-color: var(--color-accent);
  background: rgba(255, 230, 109, 0.15);
  box-shadow: 0 0 20px rgba(255, 230, 109, 0.4);
  transform: scale(1.15);
}

/* ── Grade Picker ── */
.grade-picker-label {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-text);
  text-align: center;
  margin: var(--space-md) 0 var(--space-sm);
}

.grade-picker {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md);
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}

.grade-option {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-text);
  border-radius: var(--radius-lg);
  background: var(--color-bg-card);
  border: 3px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.grade-option:hover {
  transform: scale(1.1);
  background: var(--color-bg-card-hover);
}

.grade-option.selected {
  border-color: var(--color-accent);
  background: rgba(255, 230, 109, 0.15);
  box-shadow: 0 0 20px rgba(255, 230, 109, 0.4);
  transform: scale(1.15);
}

/* ── Name Input ── */
.name-input-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  width: 100%;
  max-width: 380px;
}

.name-label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.name-input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.name-input::placeholder {
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: 1rem;
}

.name-input:focus {
  border-color: rgba(108, 99, 255, 0.6);
  box-shadow: 0 0 20px rgba(108, 99, 255, 0.2);
}

.profile-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
}

/* ── Home Screen ── */
.home-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-xl);
  background: rgba(10, 14, 39, 0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: var(--z-header);
  gap: var(--space-md);
}

.player-chip {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-bg-card);
  border-radius: var(--radius-full);
  padding: var(--space-xs) var(--space-md) var(--space-xs) var(--space-xs);
  border: 1px solid rgba(255, 255, 255, 0.1);
  max-width: 180px;
}

.player-avatar-sm {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.player-name-sm {
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.stars-chip {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(255, 215, 0, 0.15);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: var(--radius-full);
  padding: var(--space-xs) var(--space-md);
  font-size: 1rem;
}

.total-stars-count {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-star);
}

/* ── Home Main ── */
.home-main {
  width: 100%;
  height: 100%;
  padding-top: 80px;
  padding-bottom: var(--space-lg);
  overflow-y: auto;
  scrollbar-width: none;
}

.home-main::-webkit-scrollbar { display: none; }

.home-welcome {
  text-align: center;
  padding: var(--space-xl) var(--space-xl) var(--space-md);
}

.welcome-text {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  color: var(--color-text);
}

/* ── Modules Grid ── */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-md) var(--space-xl) var(--space-2xl);
  max-width: 1200px;
  margin: 0 auto;
}

.modules-loading {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-text-muted);
  padding: var(--space-3xl);
}

/* ── Module Card ── */
.module-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
  min-height: 200px;
  display: flex;
  flex-direction: column;
}

.module-card:hover {
  transform: translateY(-6px) scale(1.02);
}

.module-card:active {
  transform: scale(0.97);
}

.module-card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.module-card-content {
  position: relative;
  z-index: 1;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.module-card-icon {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  display: block;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3));
  transition: transform var(--transition);
}

.module-card:hover .module-card-icon {
  transform: scale(1.1) rotate(-5deg);
}

.module-card-name {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: white;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
  margin-bottom: var(--space-xs);
}

.module-card-desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
  flex: 1;
}

.module-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-md);
}

.module-card-stars {
  display: flex;
  gap: 2px;
  font-size: 1.1rem;
}

.module-card-progress {
  height: 6px;
  background: rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-full);
  overflow: hidden;
  width: 80px;
}

.module-card-progress-bar {
  height: 100%;
  background: white;
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* ── Module Screen ── */
.module-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-xl);
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: var(--z-header);
  gap: var(--space-md);
}

.module-header-center {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
  justify-content: center;
}

.module-header-icon {
  font-size: 1.8rem;
}

.module-header-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-text);
}

.module-header-stars {
  display: flex;
  gap: 2px;
  font-size: 1.3rem;
  min-width: 80px;
  justify-content: flex-end;
}

.module-container {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  overflow-y: auto;
  scrollbar-width: none;
}

.module-container::-webkit-scrollbar { display: none; }

/* ── Mascot ── */
.mascot {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: var(--z-mascot);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-sm);
  pointer-events: none;
}

.mascot-character {
  font-size: 3rem;
  cursor: pointer;
  pointer-events: all;
  animation: mascotFloat 3s ease-in-out infinite;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.4));
  transition: transform var(--transition);
  line-height: 1;
}

.mascot-character:hover {
  transform: scale(1.2) rotate(-10deg);
}

.mascot-bubble {
  position: relative;
  background: white;
  color: var(--color-text-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.9rem;
  font-weight: 700;
  max-width: 200px;
  text-align: center;
  box-shadow: var(--shadow-md);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}

.mascot-bubble::after {
  content: '';
  position: absolute;
  bottom: -10px;
  right: 20px;
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 10px solid white;
}

.mascot-bubble.hidden {
  opacity: 0;
  transform: translateY(8px) scale(0.9);
  pointer-events: none;
}

/* ── Achievements Screen ── */
.total-stars-display {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  background: rgba(255, 215, 0, 0.1);
  border: 2px solid rgba(255, 215, 0, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--space-lg) var(--space-2xl);
  width: 100%;
  max-width: 400px;
}

.big-star {
  font-size: 4rem;
  animation: starSpin 4s linear infinite;
}

.total-stars-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--color-star);
  line-height: 1;
}

.total-stars-label {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-subtitle {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-text);
  align-self: flex-start;
  padding-left: var(--space-md);
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  width: 100%;
}

.badge-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  border: 2px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition);
}

.badge-card.unlocked {
  border-color: rgba(255, 230, 109, 0.4);
  background: rgba(255, 230, 109, 0.1);
}

.badge-icon {
  font-size: 2.5rem;
  transition: filter var(--transition);
}

.badge-card:not(.unlocked) .badge-icon {
  filter: grayscale(1) opacity(0.3);
}

.badge-name {
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-align: center;
}

.badge-card.unlocked .badge-name {
  color: var(--color-accent);
}

.progress-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  width: 100%;
}

.progress-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.progress-item-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.progress-item-info {
  flex: 1;
}

.progress-item-name {
  font-weight: 800;
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
}

.progress-item-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-item-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-item-stars {
  font-size: 1rem;
  flex-shrink: 0;
}

/* ── Celebration Overlay ── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(12px);
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  transition: opacity var(--transition);
}

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

.celebration-card {
  position: relative;
  z-index: 1;
  background: var(--color-bg-2);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  max-width: 450px;
  width: 100%;
  text-align: center;
  border: 2px solid rgba(255, 230, 109, 0.3);
  box-shadow: 0 0 60px rgba(255, 230, 109, 0.15), var(--shadow-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.celebration-emoji {
  font-size: 5rem;
  animation: celebrationBounce 0.6s ease-out;
}

.stars-row {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

.star-earned {
  font-size: 3rem;
  animation: starPop var(--delay, 0s) 0.5s ease-out both;
}

.celebration-message {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-text);
  line-height: 1.3;
}

.confetti-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  width: 10px;
  height: 14px;
  border-radius: 2px;
  top: -20px;
  animation: confettiFall var(--dur, 3s) var(--delay, 0s) ease-in both;
}

/* ── Toast ── */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  pointer-events: none;
}

.toast {
  background: rgba(30, 30, 60, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  padding: var(--space-sm) var(--space-xl);
  color: var(--color-text);
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
  animation: toastSlide 0.3s ease-out, toastFade 0.3s ease-in 2.5s both;
  box-shadow: var(--shadow-md);
}

/* ── Loading Spinner ── */
.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top-color: #6C63FF;
  border-radius: 50%;
  animation: spinnerRotate 0.8s linear infinite;
}

/* ── Hidden Utility ── */
.hidden {
  display: none !important;
}