/*
================================================================================
WC26 WEB GAMES SUITE - GLOBAL CSS DESIGN SYSTEM
Aesthetic: Premium, High-Fidelity Dark Stadium (Glassmorphism & Fluid Micro-Animations)
File: shared/css/design-system.css
================================================================================

TABLE OF CONTENTS:
1. DESIGN TOKENS (CSS Custom Properties)
2. BASE RESETS & SCROLLBARS
3. LAYOUT & RESPONSIVE APP WRAPPER (Stadium Atmosphere)
4. TYPOGRAPHY & GLOW TEXT UTILITIES
5. GLASSMORPHIC COMPONENT SYSTEM
   - 5.1 Glass Cards (.glass-card)
   - 5.2 Glass Buttons (.glass-button)
   - 5.3 Glass Inputs & Selectors (.glass-input)
   - 5.4 Glass Modals & Overlays (.glass-modal)
6. FOOTBALL ANIMATIONS & MICRO-INTERACTIONS LIBRARY
7. CO-BRANDING & SPONSOR SYSTEM (.sponsor-card, .sponsor-badge)
8. SPORTS GAME-SPECIFIC COMPONENTS
   - 8.1 Stat Bars (Stamina, XP, Time Progression)
   - 8.2 Scoreboard HUD & Timer Display
   - 8.3 Penalty/Shot Meter Layout
   - 8.4 Leaderboard & Tournament Bracket Rows
   - 8.5 Player Badge & Country Flag Frame
9. GENERAL UTILITY CLASSES
================================================================================
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@700;800;900&family=Rajdhani:wght@600;700;800&display=swap');

/* =============================================================================
   1. DESIGN TOKENS (CSS Custom Properties)
   ============================================================================= */
:root {
  /* HSL Color Palette (Allows perfect alpha channel manipulation) */
  --bg-h: 220;
  --bg-s: 44%;
  --bg-l: 7%;
  --bg: hsl(var(--bg-h) var(--bg-s) var(--bg-l)); /* #0a0f1a Deep Charcoal / Stadium Night */
  
  --primary-h: 151;
  --primary-s: 100%;
  --primary-l: 45%;
  --primary: hsl(var(--primary-h) var(--primary-s) var(--primary-l)); /* #00e676 Stadium Green Grass */
  --primary-glow: hsla(var(--primary-h) var(--primary-s) var(--primary-l) / 0.35);
  --primary-dark: hsl(151 100% 30%);
  
  --gold-h: 51;
  --gold-s: 100%;
  --gold-l: 50%;
  --gold: hsl(var(--gold-h) var(--gold-s) var(--gold-l)); /* #ffd700 Gold Trophy */
  --gold-glow: hsla(var(--gold-h) var(--gold-s) var(--gold-l) / 0.35);
  
  --accent-h: 351;
  --accent-s: 100%;
  --accent-l: 62%;
  --accent: hsl(var(--accent-h) var(--accent-s) var(--accent-l)); /* #ff3d5a Streak Fire Red */
  --accent-glow: hsla(var(--accent-h) var(--accent-s) var(--accent-l) / 0.35);

  --cyan-h: 190;
  --cyan-s: 100%;
  --cyan-l: 50%;
  --cyan: hsl(var(--cyan-h) var(--cyan-s) var(--cyan-l)); /* #00e5ff Cyber Cyan Info */
  --cyan-glow: hsla(var(--cyan-h) var(--cyan-s) var(--cyan-l) / 0.35);

  /* Silver & Metallic Greys */
  --silver-100: #f1f5f9;
  --silver-200: #e2e8f0;
  --silver-300: #cbd5e1;
  --silver-400: #94a3b8;
  --silver-600: #475569;
  --silver-800: #1e293b;

  /* Semantic Interface Colors */
  --text-primary: var(--silver-200);
  --text-secondary: var(--silver-400);
  --text-bright: var(--silver-100);
  --text-highlight: #ffffff;
  
  /* Glassmorphic Alpha Formulas */
  --glass-bg: rgba(10, 15, 26, 0.7);
  --glass-bg-dense: rgba(6, 10, 18, 0.9);
  --glass-bg-hover: rgba(16, 24, 48, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.16);
  --glass-border-primary: rgba(0, 230, 118, 0.3);
  --glass-border-gold: rgba(255, 215, 0, 0.3);
  
  /* Glowing Box Shadows */
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
  --glass-shadow-primary: 0 0 20px rgba(0, 230, 118, 0.2), 0 8px 32px 0 rgba(0, 0, 0, 0.5);
  --glass-shadow-gold: 0 0 20px rgba(255, 215, 0, 0.2), 0 8px 32px 0 rgba(0, 0, 0, 0.5);
  --glass-shadow-accent: 0 0 20px rgba(255, 61, 90, 0.2), 0 8px 32px 0 rgba(0, 0, 0, 0.5);

  /* Typography Scales */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Montserrat', 'Rajdhani', system-ui, sans-serif;
  
  /* Border Radii */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  /* Dynamic Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* =============================================================================
   2. BASE RESETS & SCROLLBARS
   ============================================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg);
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background-color: var(--bg);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Base Scrollbar Styling */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: rgba(10, 15, 26, 0.5);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary-glow);
}

/* Selection State */
::selection {
  background: var(--primary);
  color: var(--bg);
}

/* =============================================================================
   3. LAYOUT & RESPONSIVE APP WRAPPER (Stadium Atmosphere)
   ============================================================================= */

/* High-fidelity global stadium ambient floodlights & pitch glow background */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: 
    /* Dual Stadium Floodlight Glows */
    radial-gradient(ellipse 70% 45% at 20% 0%, hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.15) 0%, transparent 80%),
    radial-gradient(ellipse 70% 45% at 80% 0%, hsla(var(--cyan-h), var(--cyan-s), var(--cyan-l), 0.15) 0%, transparent 80%),
    /* Mid-field Spotlights */
    radial-gradient(circle 50% at 50% -10%, rgba(255, 255, 255, 0.05) 0%, transparent 60%),
    /* Bottom Grass Pitch Reflections */
    radial-gradient(circle 80% at 50% 110%, hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.14) 0%, transparent 70%),
    /* Base Color Solid Layer */
    var(--bg);
  background-attachment: fixed;
  z-index: -2;
  pointer-events: none;
}

/* Subtle Pitch Grid Pattern Overlay */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(rgba(255,255,255,0.005) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.005) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center;
  z-index: -1;
  pointer-events: none;
  opacity: 0.6;
}

/* Mobile-First Responsive Shell */
.app-container {
  width: 100%;
  max-width: 480px;
  min-height: 100vh;
  min-height: 100dvh;
  background: radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.02) 0%, transparent 100%),
              rgba(10, 15, 26, 0.4);
  border-left: 1px solid var(--glass-border);
  border-right: 1px solid var(--glass-border);
  box-shadow: 0 0 120px rgba(0, 0, 0, 0.9);
  position: relative;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Inside container glow overlay helper */
.stadium-glow-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 300px;
  background: 
    radial-gradient(circle at 50% -20px, hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.25) 0%, transparent 80%),
    radial-gradient(circle at 15% 10%, hsla(var(--gold-h), var(--gold-s), var(--gold-l), 0.08) 0%, transparent 50%),
    radial-gradient(circle at 85% 10%, hsla(var(--accent-h), var(--accent-s), var(--accent-l), 0.08) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* Main content wrapper to sit safely above overlay background glow layers */
.app-content {
  position: relative;
  z-index: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 20px;
  flex-grow: 1;
}

@media (max-width: 480px) {
  .app-container {
    border-left: none;
    border-right: none;
    padding: 16px;
  }
}

/* =============================================================================
   4. TYPOGRAPHY & GLOW TEXT UTILITIES
   ============================================================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-bright);
  line-height: 1.2;
}

h1 { font-size: 2.2rem; text-transform: uppercase; }
h2 { font-size: 1.6rem; text-transform: uppercase; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* High Fidelity Glowing Text Styles */
.text-glow {
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
}

.text-glow-primary {
  color: var(--primary);
  text-shadow: 0 0 12px var(--primary-glow);
}

.text-glow-gold {
  color: var(--gold);
  text-shadow: 0 0 12px var(--gold-glow);
}

.text-glow-accent {
  color: var(--accent);
  text-shadow: 0 0 12px var(--accent-glow);
}

.text-glow-cyan {
  color: var(--cyan);
  text-shadow: 0 0 12px var(--cyan-glow);
}

.text-display {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-style: italic;
  font-weight: 900;
  letter-spacing: 0.05em;
}

/* High-impact sports title typography */
.sports-title {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  font-style: italic;
  font-size: 2rem;
  background: linear-gradient(180deg, #ffffff 30%, var(--silver-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
  letter-spacing: -0.02em;
}

.sports-title--gold {
  background: linear-gradient(180deg, #ffffff 10%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sports-title--primary {
  background: linear-gradient(180deg, #ffffff 10%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* =============================================================================
   5. GLASSMORPHIC COMPONENT SYSTEM
   ============================================================================= */

/* --- 5.1 Glass Cards (.glass-card) --- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-normal), 
              box-shadow var(--transition-normal), 
              border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

/* Add subtle interior glare to card tops */
.glass-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15) 30%, rgba(255,255,255,0.15) 70%, transparent);
  pointer-events: none;
}

/* Dense Glass Variations (for nested cards or high contrast overlays) */
.glass-card--dense {
  background: var(--glass-bg-dense);
}

/* Interactive Card State */
.glass-card--interactive {
  cursor: pointer;
}

.glass-card--interactive:hover {
  transform: translateY(-4px);
  border-color: var(--glass-border-hover);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.6);
  background: var(--glass-bg-hover);
}

.glass-card--interactive:active {
  transform: translateY(-1px);
}

/* Status Highlight Modifiers for Cards */
.glass-card--primary {
  border-color: var(--glass-border-primary);
  box-shadow: var(--glass-shadow-primary);
}
.glass-card--primary:hover {
  border-color: var(--primary);
  box-shadow: 0 0 25px rgba(0, 230, 118, 0.3), var(--glass-shadow);
}

.glass-card--gold {
  border-color: var(--glass-border-gold);
  box-shadow: var(--glass-shadow-gold);
}
.glass-card--gold:hover {
  border-color: var(--gold);
  box-shadow: 0 0 25px rgba(255, 215, 0, 0.3), var(--glass-shadow);
}

.glass-card--accent {
  border-color: rgba(255, 61, 90, 0.3);
  box-shadow: var(--glass-shadow-accent);
}
.glass-card--accent:hover {
  border-color: var(--accent);
  box-shadow: 0 0 25px rgba(255, 61, 90, 0.3), var(--glass-shadow);
}

/* --- 5.2 Glass Buttons (.glass-button) --- */
.glass-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 14px 28px;
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast) cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  user-select: none;
}

/* Subtle internal shiny sheen overlay */
.glass-button::after {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.03) 30%,
    rgba(255, 255, 255, 0.08) 50%,
    rgba(255, 255, 255, 0.03) 70%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: skewX(-25deg);
  transition: 0.75s;
  pointer-events: none;
}

.glass-button:hover::after {
  left: 125%;
}

.glass-button:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--glass-border-hover);
  color: var(--text-highlight);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

.glass-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* Button Sizes */
.glass-button--sm {
  padding: 8px 16px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.glass-button--lg {
  padding: 18px 36px;
  font-size: 1.1rem;
  font-weight: 800;
  border-radius: var(--radius-lg);
}

.glass-button--block {
  width: 100%;
}

/* Premium Stadium Accents for Buttons */
.glass-button--primary {
  background: rgba(0, 230, 118, 0.08);
  border-color: var(--glass-border-primary);
  color: var(--primary);
  text-shadow: 0 0 8px rgba(0, 230, 118, 0.2);
}

.glass-button--primary:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #03070e;
  text-shadow: none;
  box-shadow: 0 0 25px rgba(0, 230, 118, 0.5);
  font-weight: 800;
}

.glass-button--gold {
  background: rgba(255, 215, 0, 0.08);
  border-color: var(--glass-border-gold);
  color: var(--gold);
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.2);
}

.glass-button--gold:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: #03070e;
  text-shadow: none;
  box-shadow: 0 0 25px rgba(255, 215, 0, 0.5);
  font-weight: 800;
}

.glass-button--accent {
  background: rgba(255, 61, 90, 0.08);
  border-color: rgba(255, 61, 90, 0.3);
  color: var(--accent);
  text-shadow: 0 0 8px rgba(255, 61, 90, 0.2);
}

.glass-button--accent:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  text-shadow: none;
  box-shadow: 0 0 25px rgba(255, 61, 90, 0.5);
  font-weight: 800;
}

/* Disabled State */
.glass-button:disabled,
.glass-button[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
  background: rgba(255, 255, 255, 0.02) !important;
  border-color: var(--glass-border) !important;
  color: var(--text-secondary) !important;
  box-shadow: none !important;
  transform: none !important;
}

/* --- 5.3 Glass Inputs & Selectors (.glass-input) --- */
.glass-input {
  width: 100%;
  background: rgba(10, 15, 26, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: var(--text-bright);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-normal);
  box-sizing: border-box;
}

.glass-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

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

.glass-input:focus {
  background: rgba(10, 15, 26, 0.85);
  border-color: var(--primary);
  box-shadow: 0 0 15px rgba(0, 230, 118, 0.25);
}

/* Customized Dropdown / Select Option Frame */
select.glass-input {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  padding-right: 40px;
}

select.glass-input option {
  background-color: var(--bg);
  color: var(--text-primary);
}

/* Form Groups Layout */
.glass-form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.glass-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-left: 4px;
}

/* --- 5.4 Glass Modals & Overlays (.glass-modal) --- */
.glass-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 7, 13, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.glass-modal-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.glass-modal {
  width: 100%;
  max-width: 400px;
  background: var(--glass-bg-dense);
  border: 1px solid var(--glass-border-hover);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transform: scale(0.9);
  transition: transform var(--transition-spring);
}

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

.glass-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.glass-modal__close:hover {
  background: rgba(255, 61, 90, 0.1);
  color: var(--accent);
  border-color: rgba(255, 61, 90, 0.3);
}

/* =============================================================================
   6. FOOTBALL ANIMATIONS & MICRO-INTERACTIONS LIBRARY
   ============================================================================= */

/* Screen Shake: For Goal highlights or direct crossbar impact */
@keyframes screen-shake {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  10% { transform: translate(-3px, -3px) rotate(-1deg); }
  20% { transform: translate(4px, 0px) rotate(1deg); }
  30% { transform: translate(0px, 3px) rotate(0deg); }
  40% { transform: translate(3px, -2px) rotate(1deg); }
  50% { transform: translate(-2px, 3px) rotate(-1deg); }
  60% { transform: translate(-4px, 1px) rotate(0deg); }
  70% { transform: translate(3px, 2px) rotate(1deg); }
  80% { transform: translate(-2px, -2px) rotate(-1deg); }
  90% { transform: translate(3px, 3px) rotate(0deg); }
}

.animate-shake {
  animation: screen-shake 0.45s cubic-bezier(.36,.07,.19,.97) both;
}

/* Pulse Scale: Breathing effect for buttons or live indicators */
@keyframes pulse-scale {
  0%, 100% { transform: scale(1); filter: brightness(1); }
  50% { transform: scale(1.04); filter: brightness(1.15); }
}

.animate-pulse-scale {
  animation: pulse-scale 2s ease-in-out infinite;
}

/* Flag-Wave: Authentic flowing micro-mesh wave for country flags */
@keyframes flag-wave {
  0% { transform: rotate(0deg) skewY(0deg) scale(1); }
  25% { transform: rotate(1.5deg) skewY(1deg) scale(1.02); }
  50% { transform: rotate(-1deg) skewY(-0.5deg) scale(1); }
  75% { transform: rotate(1deg) skewY(0.5deg) scale(1.01); }
  100% { transform: rotate(0deg) skewY(0deg) scale(1); }
}

.animate-flag-wave {
  animation: flag-wave 3.5s ease-in-out infinite;
  transform-origin: left center;
}

/* Combo-Fire Pulsing: Hot red neon flashing for high score streaks */
@keyframes combo-fire {
  0% {
    box-shadow: 0 0 6px var(--accent), 0 0 10px var(--accent-glow);
    border-color: var(--accent);
  }
  50% {
    box-shadow: 0 0 20px var(--accent), 0 0 35px var(--accent-glow);
    border-color: #ff7088;
  }
  100% {
    box-shadow: 0 0 6px var(--accent), 0 0 10px var(--accent-glow);
    border-color: var(--accent);
  }
}

.animate-combo-fire {
  animation: combo-fire 0.75s ease-in-out infinite;
  text-shadow: 0 0 10px var(--accent);
}

/* Smooth Slide-In from Screen Bottom */
@keyframes slide-in-bottom {
  0% {
    transform: translateY(40px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 1;
  }
}

.animate-slide-in {
  animation: slide-in-bottom 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Radial Goal Burst particle rings */
@keyframes goal-burst {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7);
    transform: scale(0.95);
  }
  70% {
    box-shadow: 0 0 0 30px rgba(0, 230, 118, 0);
    transform: scale(1.05);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 230, 118, 0);
    transform: scale(1);
  }
}

.animate-goal-burst {
  animation: goal-burst 1.2s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

/* Floating Animation for Badges/Medals */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* Rotating Glow Ring for items loaded */
@keyframes rotate-glow {
  100% { transform: rotate(360deg); }
}

/* =============================================================================
   7. CO-BRANDING & SPONSOR SYSTEM (.sponsor-card, .sponsor-badge)
   ============================================================================= */

/* Premium integrated non-intrusive sponsor layouts */
.sponsor-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%),
              var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px dashed var(--glass-border);
  border-radius: var(--radius-md);
  padding: 16px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all var(--transition-normal);
}

.sponsor-card::before {
  content: "OFFICIAL WC26 PARTNER";
  position: absolute;
  top: -8px;
  left: 16px;
  background: var(--bg);
  padding: 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.65rem;
  color: var(--gold);
  letter-spacing: 0.08em;
  border-left: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
}

.sponsor-card:hover {
  border-style: solid;
  border-color: rgba(255, 215, 0, 0.4);
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.08);
}

.sponsor-card__logo-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  height: 48px;
}

.sponsor-card__divider {
  width: 1px;
  height: 24px;
  background: var(--glass-border);
}

.sponsor-card__img {
  max-height: 28px;
  max-width: 100px;
  object-fit: contain;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
  filter: grayscale(1) brightness(1.5);
}

.sponsor-card:hover .sponsor-card__img {
  opacity: 0.9;
  filter: grayscale(0) brightness(1);
}

/* Small Float-ready Sponsor Badge */
.sponsor-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(10, 15, 26, 0.8);
  border: 1px solid var(--glass-border);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  pointer-events: auto;
}

.sponsor-badge__dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--gold);
  box-shadow: 0 0 6px var(--gold-glow);
}

/* =============================================================================
   8. SPORTS GAME-SPECIFIC COMPONENTS
   ============================================================================= */

/* --- 8.1 Stat Bars (Stamina, XP, Time Progression) --- */
.stat-bar-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
}

.stat-bar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
}

.stat-bar {
  width: 100%;
  height: 10px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--glass-border);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.5);
}

.stat-bar__fill {
  height: 100%;
  border-radius: var(--radius-full);
  width: 0%;
  transition: width var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

/* Sheen wave overlay inside fill bar */
.stat-bar__fill::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,0.15) 50%,
    rgba(255,255,255,0) 100%
  );
  animation: shine 2s linear infinite;
  background-size: 200% 100%;
}

@keyframes shine {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.stat-bar__fill--primary {
  background: linear-gradient(90deg, #00b0ff, var(--primary));
  box-shadow: 0 0 10px var(--primary-glow);
}

.stat-bar__fill--gold {
  background: linear-gradient(90deg, #ff9100, var(--gold));
  box-shadow: 0 0 10px var(--gold-glow);
}

.stat-bar__fill--accent {
  background: linear-gradient(90deg, #ff1744, var(--accent));
  box-shadow: 0 0 10px var(--accent-glow);
}

.stat-bar__fill--cyan {
  background: linear-gradient(90deg, #00b0ff, var(--cyan));
  box-shadow: 0 0 10px var(--cyan-glow);
}

/* --- 8.2 Scoreboard HUD & Timer Display --- */
.scoreboard {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: linear-gradient(180deg, rgba(10, 15, 26, 0.95) 0%, rgba(10, 15, 26, 0.75) 100%);
  border-bottom: 2px solid var(--primary);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  margin-bottom: 10px;
  border-left: 1px solid var(--glass-border);
  border-right: 1px solid var(--glass-border);
}

.scoreboard__team {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
}

.scoreboard__team-name {
  color: var(--text-bright);
}

.scoreboard__flag {
  width: 32px;
  height: 22px;
  border-radius: 4px;
  object-fit: cover;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.scoreboard__score-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(0, 0, 0, 0.5);
  padding: 6px 20px;
  border-radius: var(--radius-full);
  border: 1px solid var(--glass-border);
}

.scoreboard__score {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 0.03em;
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
}

.scoreboard__score-divider {
  color: var(--text-secondary);
  font-weight: 400;
}

.scoreboard__timer {
  font-family: 'Rajdhani', sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  text-shadow: 0 0 8px var(--primary-glow);
  background: rgba(0, 230, 118, 0.08);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(0, 230, 118, 0.25);
  letter-spacing: 0.05em;
  min-width: 52px;
  text-align: center;
}

/* --- 8.3 Penalty/Shot Meter Layout --- */
.shot-meter-wrapper {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  padding: 8px 4px;
}

.shot-meter {
  position: relative;
  height: 24px;
  background: rgba(10, 15, 26, 0.8);
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  overflow: hidden;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.6);
}

/* Perfect target zone marker in the center */
.shot-meter__target {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 45%;
  width: 10%;
  background: linear-gradient(180deg, var(--primary), var(--primary-dark));
  box-shadow: 0 0 15px var(--primary);
  opacity: 0.95;
  border-left: 1px solid rgba(255,255,255,0.2);
  border-right: 1px solid rgba(255,255,255,0.2);
  z-index: 1;
}

.shot-meter__target--gold {
  left: 47%;
  width: 6%;
  background: linear-gradient(180deg, var(--gold), #cca300);
  box-shadow: 0 0 20px var(--gold);
}

/* Moving slider indicator */
.shot-meter__indicator {
  position: absolute;
  top: -2px;
  bottom: -2px;
  left: 0%;
  width: 6px;
  background: #ffffff;
  border-radius: var(--radius-full);
  box-shadow: 0 0 15px #ffffff, 0 0 5px rgba(0, 0, 0, 0.5);
  z-index: 2;
  transition: left var(--transition-fast) ease-out;
}

.shot-meter-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* --- 8.4 Leaderboard & Tournament Bracket Rows --- */
.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.leaderboard-row {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.leaderboard-row:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  transform: scale(1.01);
}

.leaderboard-row__rank {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.1rem;
  width: 32px;
  display: flex;
  align-items: center;
  color: var(--text-secondary);
}

.leaderboard-row--1st {
  border-color: var(--glass-border-gold);
  background: linear-gradient(90deg, rgba(255, 215, 0, 0.08) 0%, transparent 100%);
}
.leaderboard-row--1st .leaderboard-row__rank {
  color: var(--gold);
  text-shadow: 0 0 8px var(--gold-glow);
}

.leaderboard-row--2nd {
  border-color: rgba(226, 232, 240, 0.25);
  background: linear-gradient(90deg, rgba(226, 232, 240, 0.08) 0%, transparent 100%);
}
.leaderboard-row--2nd .leaderboard-row__rank {
  color: #cbd5e1; /* Silver color */
  text-shadow: 0 0 8px rgba(203, 213, 225, 0.3);
}

.leaderboard-row--3rd {
  border-color: rgba(205, 127, 50, 0.25); /* Bronze color boundary */
  background: linear-gradient(90deg, rgba(205, 127, 50, 0.08) 0%, transparent 100%);
}
.leaderboard-row--3rd .leaderboard-row__rank {
  color: #cd7f32; /* Bronze color */
  text-shadow: 0 0 8px rgba(205, 127, 50, 0.3);
}

.leaderboard-row__avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  margin-right: 12px;
  border: 1px solid var(--glass-border);
  object-fit: cover;
}

.leaderboard-row__info {
  flex-grow: 1;
}

.leaderboard-row__name {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-bright);
}

.leaderboard-row__meta {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.leaderboard-row__score {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--primary);
  text-shadow: 0 0 8px var(--primary-glow);
}

/* --- 8.5 Player Badge & Country Flag Frame --- */
.player-avatar-frame {
  position: relative;
  display: inline-block;
  border-radius: var(--radius-full);
  padding: 4px;
  background: linear-gradient(135deg, var(--glass-border) 0%, transparent 100%);
}

.player-avatar-frame--primary {
  background: linear-gradient(135deg, var(--primary) 0%, transparent 100%);
  box-shadow: 0 0 15px var(--primary-glow);
}

.player-avatar-frame--gold {
  background: linear-gradient(135deg, var(--gold) 0%, transparent 100%);
  box-shadow: 0 0 15px var(--gold-glow);
}

.player-avatar-img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 2px solid var(--bg);
  display: block;
}

.player-avatar-flag {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 24px;
  height: 18px;
  border-radius: 3px;
  border: 1.5px solid var(--bg);
  box-shadow: 0 2px 4px rgba(0,0,0,0.5);
  object-fit: cover;
}

/* Country Selection Grid */
.country-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  width: 100%;
}

.country-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px 10px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: all var(--transition-fast) ease;
}

.country-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--glass-border-hover);
  transform: translateY(-2px);
}

.country-card.is-selected {
  border-color: var(--primary);
  background: rgba(0, 230, 118, 0.05);
  box-shadow: 0 0 15px rgba(0, 230, 118, 0.15);
}

.country-card__flag {
  width: 48px;
  height: 32px;
  border-radius: 4px;
  object-fit: cover;
  box-shadow: 0 4px 8px rgba(0,0,0,0.4);
  transition: transform var(--transition-normal);
}

.country-card.is-selected .country-card__flag,
.country-card:hover .country-card__flag {
  transform: scale(1.08);
}

.country-card__name {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-bright);
  text-align: center;
}

/* =============================================================================
   9. GENERAL UTILITY CLASSES
   ============================================================================= */
.flex-row-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-column {
  display: flex;
  flex-direction: column;
}

.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 24px; }

.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }

.text-center { text-align: center; }
.text-right { text-align: right; }

.w-full { width: 100%; }

.opacity-70 { opacity: 0.7; }
.opacity-50 { opacity: 0.5; }

.cursor-pointer { cursor: pointer; }

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
}

.badge--primary {
  background: rgba(0, 230, 118, 0.1);
  border-color: rgba(0, 230, 118, 0.25);
  color: var(--primary);
}

.badge--gold {
  background: rgba(255, 215, 0, 0.1);
  border-color: rgba(255, 215, 0, 0.25);
  color: var(--gold);
}

.badge--accent {
  background: rgba(255, 61, 90, 0.1);
  border-color: rgba(255, 61, 90, 0.25);
  color: var(--accent);
}

.badge--cyan {
  background: rgba(0, 229, 255, 0.1);
  border-color: rgba(0, 229, 255, 0.25);
  color: var(--cyan);
}

.badge--muted {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--glass-border);
  color: var(--text-secondary);
}