/* ============================================================
   SSVR — Main Design System (Bright & Nature Theme)
   Senior Smart VR | Thai-friendly | Elderly UI
   ============================================================ */

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

/* ── CSS Variables ──────────────────────────────────────────── */
:root {
  /* Palette - Light Theme */
  --bg-main:       #f8fafc;
  --bg-card:       #ffffff;
  --bg-card-hover: #f1f5f9;
  --border-glass:  rgba(0,0,0,0.08);

  --purple-main:   #8b5cf6;
  --purple-light:  #a78bfa;
  --cyan:          #06b6d4;
  --cyan-light:    #67e8f9;
  --blue:          #3b82f6;
  --blue-light:    #60a5fa;
  --gold:          #f59e0b;
  --gold-light:    #fbbf24;
  --orange:        #ea580c;
  --green:         #10b981;
  --green-light:   #34d399;
  --red:           #ef4444;
  --pink:          #ec4899;

  --text-dark:     #1e293b;
  --text-light:    #334155;
  --text-muted:    #64748b;

  /* Global Semantic Theme Variables */
  --bg:            var(--bg-main);
  --surface:       #f1f5f9;
  --card:          #ffffff;
  --text:          #1e293b;
  --text-secondary:#64748b;
  --primary:       var(--purple-main);
  --primary-hover: var(--purple-light);
  --border:        rgba(0,0,0,0.08);
  --shadow:        0 4px 16px rgba(0,0,0,0.06);
  
  --danger:        var(--red);
  --success:       var(--green);
  --warning:       var(--gold);
  --btn-text:      #ffffff;
  --btn-text-invert: #1e293b;

  /* Typography — elderly-friendly (Updated for Night Wellness) */
  --font:          'Sarabun', sans-serif;
  --fs-xs:         18px;
  --fs-sm:         20px;
  --fs-md:         24px;
  --fs-lg:         28px;
  --fs-xl:         32px;
  --fs-2xl:        40px;
  --fs-3xl:        52px;
  --fs-hero:       72px;

[data-font="large"] {
  --fs-xs:         22px;
  --fs-sm:         24px;
  --fs-md:         28px;
  --fs-lg:         32px;
  --fs-xl:         38px;
  --fs-2xl:        48px;
  --fs-3xl:        64px;
  --fs-hero:       84px;
}

  /* Spacing */
  --r-sm:   12px;
  --r-md:   18px;
  --r-lg:   22px;
  --r-xl:   32px;
  --r-full: 999px;

  /* Shadows */
  --shadow-purple: 0 8px 24px rgba(139,92,246,0.3);
  --shadow-cyan:   0 8px 24px rgba(6,182,212,0.3);
  --shadow-blue:   0 8px 24px rgba(59,130,246,0.3);
  --shadow-gold:   0 8px 24px rgba(245,158,11,0.3);
  --shadow-green:  0 8px 24px rgba(16,185,129,0.3);
  --shadow-card:   0 4px 16px rgba(0,0,0,0.06);
  --shadow-heavy:  0 12px 32px rgba(0,0,0,0.1);

  /* Transitions */
  --trans-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-med:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Game Area Backgrounds */
  --game-bg-blue-1: #e0f2fe;
  --game-bg-blue-2: #bae6fd;
  --game-bg-gold-1: #fffbeb;
  --game-bg-gold-2: #fef3c7;
}

.theme-dark {
  /* Night Wellness Theme Palette */
  --bg-main:       #0F172A;
  --bg-card:       rgba(15, 23, 42, 0.65);
  --bg-card-hover: rgba(22, 33, 62, 0.85);
  --border-glass:  rgba(255, 255, 255, 0.15);

  --text-dark:     #FFFFFF;
  --text-light:    #E2E8F0;
  --text-muted:    #CBD5E1;

  /* Global Semantic Theme Variables - Dark Mode */
  --bg:            var(--bg-main);
  --surface:       rgba(22, 33, 62, 0.85);
  --card:          rgba(15, 23, 42, 0.65);
  --text:          #FFFFFF;
  --text-secondary:#CBD5E1;
  --border:        rgba(255, 255, 255, 0.15);
  --shadow:        0 8px 32px rgba(0, 0, 0, 0.3);
  --btn-text:      #ffffff;
  --btn-text-invert: #ffffff;

  --shadow-card:   0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-heavy:  0 12px 48px rgba(0, 0, 0, 0.5);

  --game-bg-blue-1: rgba(15, 23, 42, 0.8);
  --game-bg-blue-2: rgba(22, 33, 62, 0.9);
  --game-bg-gold-1: rgba(15, 23, 42, 0.8);
  --game-bg-gold-2: rgba(22, 33, 62, 0.9);
}


/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  touch-action: manipulation; /* Prevents double-tap zoom delay on mobile devices */
}

body {
  font-family: var(--font);
  font-size: var(--fs-md);
  color: var(--text-dark);
  background: var(--bg-main);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  transition: background-color var(--trans-slow), color var(--trans-slow);
}

img { max-width: 100%; display: block; }
a, button, .btn, .char-card, .game-card, .ac-card, .ac-arrow, .diff-btn, .set-item {
  color: inherit; text-decoration: none;
  touch-action: manipulation; /* Instant click response on mobile */
}
ul { list-style: none; }

/* Smooth momentum scrolling for mobile horizontal scroll groups */
.char-grid, .ac-tabs {
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}

/* ── Animated Background (Park) ──────────────────────────────── */
.bg-park {
  position: fixed; inset: 0; z-index: -1;
  background-color: #d1fae5;
  /* bg.jpg (1.1MB) is lazy-loaded via JS after first paint */
  background-repeat: no-repeat;
  background-position: center top;
  background-size: cover;
  transition: background-image 0.3s ease;
}

.bg-animated {
  position: fixed; inset: 0; z-index: -1;
  background: linear-gradient(135deg, #e0f2fe 0%, #d1fae5 50%, #fef3c7 100%);
}

.logo-icon { font-size: 28px; line-height: 1; }

@keyframes logo-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

/* Loading overlay (login) */
.loading-overlay {
  position: fixed; inset: 0; z-index: 9998;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 20px;
  background: rgba(15, 23, 42, 0.75); backdrop-filter: blur(8px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--trans-med);
}
.loading-overlay.active { opacity: 1; pointer-events: all; }
.spinner {
  width: 56px; height: 56px;
  border: 5px solid rgba(255,255,255,0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.bg-park::after {
  content:''; position:absolute; inset:0;
  background: linear-gradient(to bottom, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.8) 40%, rgba(255,255,255,1) 70%, rgba(255,255,255,1) 100%);
}

.bg-solid {
  background: var(--bg-main);
}

/* ── Layout ─────────────────────────────────────────────────── */
.page-wrapper {
  min-height: 100vh;
  display: flex; flex-direction: column;
  padding: 0 24px 40px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* ── Glass Card (Light) ─────────────────────────────────────── */
.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-card);
  transition: all var(--trans-med);
}
.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-heavy);
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font); font-size: var(--fs-md); font-weight: 700;
  border: none; border-radius: var(--r-full); cursor: pointer;
  padding: 16px 32px; min-height: 60px;
  transition: all var(--trans-med);
  position: relative; overflow: hidden;
  text-align: center; white-space: nowrap;
}
.btn:active { transform: scale(0.96); }

/* Primary */
.btn-primary {
  background: var(--blue);
  color: var(--btn-text);
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover { background: #2563eb; transform: translateY(-2px); }

/* Green */
.btn-green {
  background: var(--green);
  color: var(--btn-text);
  box-shadow: var(--shadow-green);
}
.btn-green:hover { background: #059669; transform: translateY(-2px); }

/* Purple */
.btn-purple {
  background: var(--purple-main);
  color: var(--btn-text);
  box-shadow: var(--shadow-purple);
}
.btn-purple:hover { background: #7c3aed; transform: translateY(-2px); }

/* Cyan */
.btn-cyan {
  background: var(--cyan);
  color: var(--btn-text);
  box-shadow: var(--shadow-cyan);
}
.btn-cyan:hover { background: #0891b2; transform: translateY(-2px); }

/* Gold */
.btn-gold {
  background: var(--gold);
  color: var(--btn-text);
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover { background: #d97706; transform: translateY(-2px); }

/* Ghost */
.btn-ghost {
  background: var(--bg-card);
  color: var(--text-dark);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
}
.btn-ghost:hover { background: var(--bg-card-hover); transform: translateY(-2px); }

/* Danger */
.btn-danger { background: var(--red); color: var(--btn-text); }

/* Large button */
.btn-lg { font-size: var(--fs-lg); padding: 20px 40px; min-height: 70px; }
/* XL button */
.btn-xl { font-size: var(--fs-xl); padding: 24px 48px; min-height: 80px; border-radius: var(--r-lg); }
/* Block */
.btn-block { width: 100%; }

/* Pulse glow */
.btn-pulse { animation: pulse-glow 2s ease-in-out infinite; }
@keyframes pulse-glow {
  0%, 100% { box-shadow: var(--shadow-blue); }
  50%       { box-shadow: 0 0 0 10px rgba(59,130,246,0.3); }
}

/* ── Navigation Header ───────────────────────────────────────── */
.nav-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 0;
  margin-bottom: 20px;
}
.nav-logo {
  display: flex; align-items: center; gap: 12px;
  font-size: var(--fs-xl); font-weight: 800; color: var(--blue);
}
.nav-logo img { width: 50px; height: 50px; }
.nav-user {
  display: flex; align-items: center; gap: 14px;
  background: var(--card); padding: 8px 16px 8px 8px; border-radius: var(--r-full);
  box-shadow: var(--shadow-card); cursor: pointer;
  text-decoration: none; color: inherit;
}
.nav-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--surface); display: flex; align-items: center; justify-content: center;
  font-size: 24px; overflow: hidden;
}
.nav-avatar img { width: 100%; height: 100%; object-fit: cover; }
.nav-greeting { font-size: 14px; color: var(--text-muted); line-height: 1.2; }
.nav-name     { font-size: var(--fs-sm); font-weight: 700; color: var(--text-dark); }

/* Back button */
.btn-back {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-dark); font-size: var(--fs-sm); font-weight: 700;
  background: var(--card); border: 1px solid var(--border-glass);
  border-radius: var(--r-full); padding: 12px 24px;
  cursor: pointer; transition: all var(--trans-fast); box-shadow: var(--shadow-card);
}
.btn-back:hover { background: var(--bg-card-hover); transform: translateX(-4px); }

/* ── Forms ───────────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block; margin-bottom: 8px;
  font-size: var(--fs-sm); font-weight: 700; color: var(--text-dark);
}
.form-input {
  width: 100%; padding: 16px 20px;
  font-family: var(--font); font-size: var(--fs-md);
  background: var(--card); border: 2px solid var(--border);
  border-radius: var(--r-md); color: var(--text-dark);
  transition: all var(--trans-fast); min-height: 60px;
}
.form-input::placeholder { color: #94a3b8; }
.form-input:focus {
  outline: none; border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}

/* ── Badges ──────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 16px; border-radius: var(--r-full);
  font-size: var(--fs-xs); font-weight: 700;
}
.badge-purple { background: #ede9fe; color: var(--purple-main); }
.badge-cyan   { background: #cffafe; color: var(--cyan); }
.badge-gold   { background: #fef3c7; color: var(--gold); }
.badge-green  { background: #d1fae5; color: var(--green); }

/* ── Section Title ───────────────────────────────────────────── */
.section-title { font-size: var(--fs-xl); font-weight: 800; margin-bottom: 8px; color: var(--text-dark); }
.section-sub   { font-size: var(--fs-sm); color: var(--text-muted); margin-bottom: 28px; }

/* ── Difficulty Selector ─────────────────────────────────────── */
.difficulty-group { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.diff-btn {
  flex: 1; min-width: 100px; padding: 16px 20px;
  border: 2px solid var(--border-glass); border-radius: var(--r-md); cursor: pointer;
  font-family: var(--font); font-size: var(--fs-sm); font-weight: 700;
  background: var(--bg-card); color: var(--text-dark);
  transition: all var(--trans-fast); text-align: center;
}
.diff-btn.easy:hover,   .diff-btn.easy.active   { border-color: var(--green); background: rgba(16,185,129,0.15); color: var(--green); }
.diff-btn.medium:hover, .diff-btn.medium.active { border-color: var(--gold);  background: rgba(245,158,11,0.15); color: var(--gold); }
.diff-btn.hard:hover,   .diff-btn.hard.active   { border-color: var(--red);   background: rgba(239,68,68,0.15); color: var(--red); }

/* ── Alert / Toast ───────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(100px);
  background: var(--card); border: 1px solid var(--border-glass); box-shadow: var(--shadow-heavy);
  border-radius: var(--r-full); padding: 16px 28px; font-size: var(--fs-sm); font-weight: 700;
  z-index: 9999; transition: transform var(--trans-med);
  display: flex; align-items: center; gap: 10px; color: var(--text-dark);
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.success { border-color: var(--green); }
.toast.error   { border-color: var(--red); }

/* ── Score / HUD elements ────────────────────────────────────── */
.score-display {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; border-radius: var(--r-full);
  background: #fef3c7; border: 2px solid var(--gold);
  font-size: var(--fs-xl); font-weight: 800; color: #b45309;
}

/* ── Shared Panel ────────────────────────────────────────────── */
.panel {
  background: var(--bg-card);
  padding: 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-card);
  margin-bottom: 24px;
  transition: background-color var(--trans-slow), border-color var(--trans-slow), box-shadow var(--trans-slow);
}
.panel-title {
  font-size: var(--fs-md);
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 20px;
  text-align: center;
  transition: color var(--trans-slow);
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--blue);
  color: var(--btn-text);
  padding: 8px;
  z-index: 1000;
  transition: top 0.2s;
}
.skip-link:focus {
  top: 0;
}

/* ── Submenu Header ──────────────────────────────────────────── */
.submenu-header {
  background: var(--blue); color: var(--btn-text);
  padding: 12px 24px; border-radius: var(--r-md);
  font-size: var(--fs-md); font-weight: 700; margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.submenu-header.purple { background: var(--purple-main); }
.submenu-header.green  { background: var(--green); }
.submenu-header.blue   { background: var(--blue); }
.submenu-header.orange { background: var(--gold); }

/* ── Utility ─────────────────────────────────────────────────── */
.text-center  { text-align: center; }
.text-muted   { color: var(--text-muted); }
.mt-4  { margin-top: 16px; }
.mt-6  { margin-top: 24px; }
.mt-8  { margin-top: 32px; }
.mb-4  { margin-bottom: 16px; }
.mb-6  { margin-bottom: 24px; }
.flex  { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-4 { gap: 16px; }
.gap-3 { gap: 12px; }
.p-6   { padding: 24px; }
.p-8   { padding: 32px; }
.w-full { width: 100%; }

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

@media (max-width: 900px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .page-wrapper { padding: 0 16px 32px; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .nav-header { flex-direction: column; gap: 16px; }
}

.form-input:focus-visible,
.btn:focus-visible,
.btn-back:focus-visible,
.auth-tab:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }


/* ============================================================
   NIGHT WELLNESS THEME - OVERRIDES & ANIMATIONS
   ============================================================ */

.theme-dark .bg-park {
  background-image: url('../img/night_bg.jpg') !important;
  background-color: #0F172A !important;
  background-size: cover;
  background-position: center;
  filter: blur(12px) brightness(0.85);
  transform: scale(1.05);
}

.theme-dark .bg-park::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.4) 0%, rgba(15, 23, 42, 0.8) 100%) !important;
}



.theme-dark .btn,
.theme-dark button {
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
}





/* Firefly Animation */
.firefly {
  position: fixed;
  width: 6px;
  height: 6px;
  background: #EAB308;
  border-radius: 50%;
  box-shadow: 0 0 10px #EAB308, 0 0 20px #EAB308;
  opacity: 0;
  pointer-events: none;
  z-index: -1;
}
.theme-dark .firefly {
  animation: floatFirefly 8s ease-in-out infinite, fadeFirefly 8s ease-in-out infinite;
}

@keyframes floatFirefly {
  0% { transform: translateY(0) translateX(0); }
  33% { transform: translateY(-30px) translateX(20px); }
  66% { transform: translateY(20px) translateX(-20px); }
  100% { transform: translateY(0) translateX(0); }
}
@keyframes fadeFirefly {
  0%, 100% { opacity: 0; }
  50% { opacity: 0.8; }
}

/* Reduce Motion overrides */
[data-motion="reduce"] *,
[data-motion="reduce"] *::before,
[data-motion="reduce"] *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
  scroll-behavior: auto !important;
}
[data-motion="reduce"] .firefly {
  display: none !important;
}

/* Base button update for WCAG */
.btn {
  min-height: 56px;
  border-radius: 16px;
}
/* Back Button Redesign */
.btn-back {
  position: fixed !important;
  top: 16px !important;
  left: 16px !important;
  z-index: 1000 !important;
  min-height: 56px !important;
  border-radius: 16px !important;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}
.theme-light .btn-back {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0,0,0,0.1);
  color: #1e293b;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}




/* UI Audit Overrides for Dark Mode */

.theme-dark input::placeholder {
  color: rgba(255,255,255,0.6) !important;
}
.theme-dark .text-muted, .theme-dark .panel-title {
  color: #E2E8F0 !important;
}

/* ============================================================
   DARK MODE UI AUDIT FIXES (Comprehensive WCAG AA)
   ============================================================ */
   
/* Toast Notifications */


/* Modals & Dialogs */


/* Dropdowns & Selects */


/* Navigation Buttons (Home, Menu, Settings, Profile) */

.theme-dark .nav-btn:hover, 
.theme-dark .btn-icon:hover, 
.theme-dark .settings-btn:hover, 
.theme-dark .profile-btn:hover {
  background: rgba(255, 255, 255, 0.2) !important;
  box-shadow: 0 0 16px rgba(100, 210, 255, 0.3) !important;
}

/* Titles and Labels */



/* Close Buttons */

.theme-dark .btn-close:hover, .theme-dark .close-btn:hover {
  background: rgba(239, 68, 68, 0.8) !important; /* Red hover for close */
}

/* Dashboard Specifics for Dark Mode */



.theme-dark .mc-icon {
  background: rgba(255,255,255,0.2) !important;
}
.theme-dark .progress-circle {
  background: conic-gradient(#64D2FF 0%, rgba(255,255,255,0.1) 0%) !important;
  color: #64D2FF !important;
}
.theme-dark .progress-circle::before {
  background: #1e293b !important;
}

/* ============================================================
   SMOOTH THEME TRANSITION & UNIVERSAL BACKGROUND
   ============================================================ */
body {
  background-color: #f8fafc;
  background-image: url('../img/day_bg.jpg') !important;
  background-size: cover !important;
  background-position: center top !important;
  background-attachment: fixed !important;
  transition: background-color 0.8s ease;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -5;
  background-image: url('../img/night_bg.jpg');
  background-size: cover;
  background-position: center top;
  background-color: #0F172A;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease, visibility 0.8s ease;
  pointer-events: none;
}

body.theme-dark::after {
  opacity: 1;
  visibility: visible;
}

/* Smoothly hide old fixed backgrounds in Dark Mode */
.bg-animated, .bg-solid, .bg-park {
  transition: opacity 0.8s ease !important;
}
.theme-dark .bg-animated, 
.theme-dark .bg-solid, 
.theme-dark .bg-park {
  opacity: 0 !important;
  pointer-events: none !important;
}

/* Fix User Profile Badge in Dark Mode (White-on-White issue) */




/* Fix any remaining pure white cards or panels */


/* ============================================================
   ACCESSIBILITY & CONSISTENCY (A11Y)
   ============================================================ */
:focus-visible {
  outline: 3px solid #64D2FF !important;
  outline-offset: 4px !important;
  box-shadow: 0 0 12px rgba(100, 210, 255, 0.5) !important;
}

.theme-dark .main-card,
.theme-dark .game-card,
.theme-dark .health-card {
  border-radius: var(--r-xl) !important;
}
/* ============================================================
   SSVR — Auth Page (Night Wellness Garden Redesign)
   ============================================================ */

/* Auth CSS Variables */
:root {
    --ssvr-primary: #63b7e6;
    --ssvr-secondary: #55c9bd;
    --ssvr-dark: #10233d;
    --ssvr-glass: rgba(18, 40, 68, 0.68);
    --ssvr-glass-light: rgba(255, 255, 255, 0.1);
    --ssvr-text: #ffffff;
    --ssvr-muted: #d5e2ed;
    --ssvr-border: rgba(255, 255, 255, 0.28);
    --ssvr-focus: #8ed8ff;
}

/* Base Layout */
.auth-wrapper {
  display: flex;
  min-height: 100vh;
  background: url('../img/night_bg.jpg') center/cover no-repeat, var(--ssvr-dark);
  position: relative;
  overflow: hidden;
}

/* Fireflies / Particles */
.firefly {
  position: absolute;
  width: 4px;
  height: 4px;
  background: #eef2ff;
  border-radius: 50%;
  box-shadow: 0 0 10px 2px #fff, 0 0 20px 4px var(--ssvr-primary);
  pointer-events: none;
  animation: float-firefly 10s ease-in-out infinite;
  opacity: 0;
  z-index: 1;
}

@keyframes float-firefly {
  0%   { transform: translate(0, 0) scale(0.8); opacity: 0; }
  25%  { opacity: 0.8; }
  50%  { transform: translate(30px, -40px) scale(1.2); opacity: 0.6; }
  75%  { opacity: 0.8; }
  100% { transform: translate(-20px, -80px) scale(0.8); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .firefly { display: none; }
}

/* Left: Branding Panel */
.auth-hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 40px;
  position: relative;
  z-index: 2;
  color: var(--ssvr-text);
  background: linear-gradient(135deg, rgba(99,183,230,0.15), rgba(85,201,189,0.1));
}

.hero-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 28px;
  padding: 40px;
  max-width: 480px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.1);
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

/* Browsers without backdrop-filter support fallback */
@supports not (backdrop-filter: blur(8px)) {
  .hero-glass { background: rgba(16, 35, 61, 0.75); }
}

.hero-icon {
  font-size: 80px;
  margin-bottom: 24px;
  display: inline-block;
}

.hero-title {
  font-size: var(--fs-hero);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.hero-sub {
  font-size: var(--fs-lg);
  font-weight: 600;
  opacity: 0.95;
  line-height: 1.4;
}

/* Right: Form Area */
.auth-form-side {
  width: 500px;
  background: var(--ssvr-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px;
  z-index: 2;
  border-left: 1px solid var(--ssvr-border);
  color: var(--ssvr-text);
  box-shadow: -10px 0 40px rgba(0,0,0,0.3);
}

@supports not (backdrop-filter: blur(16px)) {
  .auth-form-side { background: #132742; }
}

/* Tabs */
.auth-tabs {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
  border-bottom: 2px solid rgba(255,255,255,0.15);
  padding-bottom: 16px;
}
.auth-tab {
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--ssvr-muted);
  cursor: pointer;
  transition: var(--trans-fast);
  position: relative;
  padding: 8px 4px;
}
.auth-tab:hover {
  color: #fff;
}
.auth-tab.active {
  color: #fff;
}
.auth-tab.active::after {
  content: '';
  position: absolute;
  bottom: -18px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--ssvr-primary);
  border-radius: 4px 4px 0 0;
  box-shadow: 0 -2px 10px var(--ssvr-primary);
}

/* Forms */
.auth-form { 
  display: none; 
  opacity: 0;
  transition: opacity 0.4s ease; 
}
.auth-form.active { 
  display: block; 
  opacity: 1;
}

.form-title {
  font-size: var(--fs-2xl);
  font-weight: 800;
  color: #fff;
  margin-bottom: 32px;
  text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.form-group { margin-bottom: 24px; position: relative; }
.form-label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ssvr-muted);
  margin-bottom: 8px;
}
.form-input {
  width: 100%;
  padding: 16px 16px 16px 48px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  font-size: var(--fs-md);
  font-family: var(--font);
  background: rgba(255,255,255,0.1);
  color: #fff;
  transition: var(--trans-fast);
  min-height: 58px;
}
.form-input::placeholder {
  color: rgba(255,255,255,0.4);
}
.form-input:focus {
  border-color: var(--ssvr-focus);
  outline: none;
  box-shadow: 0 0 12px rgba(142, 216, 255, 0.4);
  background: rgba(255,255,255,0.15);
}

.input-icon {
  position: absolute;
  left: 16px;
  top: 52px;
  transform: translateY(-50%);
  font-size: 24px;
  color: var(--ssvr-muted);
  pointer-events: none;
}

.pwd-toggle {
  position: absolute;
  right: 16px;
  top: 52px;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--ssvr-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.pwd-toggle:hover { color: #fff; }

.forgot-link {
  position: absolute;
  right: 0;
  top: 0;
  font-size: 16px;
  color: var(--ssvr-primary);
  text-decoration: none;
}
.forgot-link:hover { text-decoration: underline; }

.error-text {
  color: #ff8a8a;
  font-size: 18px;
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Buttons */
.auth-btn {
  background: linear-gradient(135deg, var(--ssvr-primary), var(--ssvr-secondary));
  color: #fff;
  border: none;
  border-radius: 28px;
  padding: 16px 24px;
  font-size: var(--fs-md);
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  min-height: 58px;
  transition: all 0.3s ease;
  box-shadow: 0 6px 20px rgba(99,183,230,0.3);
}
.auth-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99,183,230,0.5);
  background: linear-gradient(135deg, #74c5f1, #69d9cd);
}
.auth-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Sound Toggle */
.sound-toggle {
  position: absolute;
  top: 24px;
  right: 24px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  cursor: pointer;
  z-index: 10;
  transition: 0.2s;
  backdrop-filter: blur(4px);
}
.sound-toggle:hover {
  background: rgba(255,255,255,0.2);
}

/* Responsive */
@media (max-width: 900px) {
  .auth-wrapper { flex-direction: column; }
  .auth-hero { padding: 60px 20px 40px; }
  .hero-glass { padding: 24px; }
  .auth-form-side { 
    width: 100%; 
    padding: 32px 20px; 
    border-left: none;
    border-top: 1px solid var(--ssvr-border);
    backdrop-filter: none;
    background: var(--ssvr-dark);
  }
}

/* ── Info Modal (Premium UI) ─────────────────────── */
.info-modal {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 200ms ease;
}
.info-modal:not([hidden]) {
  opacity: 1; pointer-events: auto;
}
.info-modal-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.65); backdrop-filter: blur(6px);
  cursor: pointer;
}
.info-modal-content {
  position: relative; z-index: 10000;
  background: var(--bg-card); color: var(--text-dark);
  width: 90%; max-width: 550px; max-height: 85vh;
  border-radius: var(--r-xl); border: 2px solid var(--border-glass);
  box-shadow: 0 24px 64px rgba(0,0,0,0.2);
  padding: 40px 32px; overflow-y: auto;
  transform: translateY(20px) scale(0.95);
  transition: transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.info-modal:not([hidden]) .info-modal-content {
  transform: translateY(0) scale(1);
}
@media (prefers-reduced-motion: reduce) {
  .info-modal-content { transition: none; transform: none; }
  .info-modal:not([hidden]) .info-modal-content { transform: none; }
}
@media (max-width: 600px) {
  .info-modal-content { width: 95%; padding: 32px 20px; border-radius: var(--r-lg); }
}
.info-modal-title {
  font-size: var(--fs-xl); font-weight: 800; text-align: center; margin-bottom: 24px;
  background: linear-gradient(135deg, var(--gold), var(--orange));
  -webkit-background-clip: text; color: transparent;
}
.info-modal-body { font-size: var(--fs-sm); line-height: 1.5; color: var(--text-dark); }
/* Info Cards (Replace Bullet Lists) */
.info-cards { display: flex; flex-direction: column; gap: 12px; }
.info-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--bg-card-hover); padding: 16px;
  border-radius: var(--r-md); border-left: 4px solid var(--gold);
  transition: transform 0.2s ease;
}
@media (prefers-reduced-motion: no-preference) {
  .info-card:hover { transform: translateX(4px); }
}
.ic-icon {
  font-size: 24px; flex-shrink: 0;
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  background: var(--bg-card); border-radius: 50%; box-shadow: var(--shadow-card);
}
.ic-text { flex: 1; padding-top: 2px; }
.ic-text strong { color: var(--gold); font-weight: 700; margin-right: 4px; display: block; margin-bottom: 2px; }
.info-modal-body p { margin-bottom: 16px; text-align: center; }
/* About Us Specific modifiers */
.info-card.ic-center { flex-direction: column; align-items: center; text-align: center; }
.info-card.ic-center .ic-text { text-align: center; }
.ic-icon.ic-lg { font-size: 32px; width: 56px; height: 56px; margin-bottom: 8px; }
.ic-muted { color: var(--text-muted); font-size: var(--fs-sm); }
/* Premium Close Button */
.info-modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  background: var(--bg-card-hover); border: 2px solid var(--border-glass);
  color: var(--text-dark); border-radius: 50%;
  font-size: 24px; cursor: pointer; transition: all 200ms ease;
  line-height: 1; padding: 0; padding-bottom: 4px;
}
.info-modal-close:hover, .info-modal-close:focus {
  background: var(--red); color: white; border-color: var(--red);
  transform: rotate(90deg); outline: none; box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}
@media (prefers-reduced-motion: reduce) {
  .info-modal-close:hover, .info-modal-close:focus { transform: none; }
}
body.modal-open { overflow: hidden; }