/* ============================================
   🎨 YO TOY - MODERN FLUID DESIGN
   ============================================ */

/* ============================================
   VARIABLES - Paleta Moderna
   ============================================ */
:root {
  /* Colores principales */
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;

  /* Colores secundarios */
  --secondary: #8b5cf6;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Backgrounds */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;

  /* Glass effect */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  /* Text */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --gradient-error: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  --gradient-bg: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);

  /* Aliases para compatibilidad */
  --accent-green: #10b981;
  --accent-yellow: #f59e0b;
  --accent-purple: #8b5cf6;
  --accent-blue: #6366f1;
  --border-color-light: rgba(255, 255, 255, 0.1);
  --border-color-dark: rgba(0, 0, 0, 0.2);
}

/* ============================================
   RESET & BASE
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--gradient-bg);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scrollbar moderna */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================
   LOADING SCREEN
   ============================================ */
.loading-screen {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  gap: 1.5rem;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--glass-border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-screen h2 {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.loading-screen p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ============================================
   ANIMACIONES MODERNAS
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes power-up {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* ============================================
   LAYOUT
   ============================================ */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding-bottom: 80px; /* Espacio para nav fija */
}

/* ============================================
   HEADER - Moderno
   ============================================ */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1rem 1.5rem;
}

.app-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.app-main {
  flex: 1;
  padding: 1.5rem;
  animation: fadeIn 0.3s ease-out;
}

/* ============================================
   GLASS CARDS
   ============================================ */
.glass-card,
.pixel-border {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--glass-shadow);
  animation: slideUp 0.4s ease-out;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover,
.pixel-border:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 255, 255, 0.15);
}

/* ============================================
   BOTONES MODERNOS
   ============================================ */
button {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  border: none;
  border-radius: 0.75rem;
  padding: 0.875rem 1.5rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  touch-action: manipulation;
}

button:active {
  transform: scale(0.98);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Botón principal */
.btn-green,
button.btn-green {
  background: var(--gradient-success);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.39);
}

.btn-green:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.6);
  transform: translateY(-2px);
}

/* Botón peligro */
.btn-red,
button.btn-red {
  background: var(--gradient-error);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(239, 68, 68, 0.39);
}

.btn-red:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.6);
  transform: translateY(-2px);
}

/* Botón advertencia */
.btn-yellow,
button.btn-yellow {
  background: var(--gradient-warning);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.39);
}

.btn-yellow:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.6);
  transform: translateY(-2px);
}

/* Botón primario */
.btn-blue,
button.btn-blue {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.39);
}

.btn-blue:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
  transform: translateY(-2px);
}

/* Botón secundario */
.btn-purple,
button.btn-purple {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(139, 92, 246, 0.39);
}

.btn-purple:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(139, 92, 246, 0.6);
  transform: translateY(-2px);
}

/* Botón cyan */
.btn-cyan,
button.btn-cyan {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(6, 182, 212, 0.39);
}

.btn-cyan:hover:not(:disabled) {
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.6);
  transform: translateY(-2px);
}

/* ============================================
   INPUTS MODERNOS
   ============================================ */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="time"],
input[type="file"],
textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 0.75rem;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  transition: all 0.2s ease;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-tertiary);
}

/* ============================================
   AVATARES
   ============================================ */
.player-avatar {
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
  background: var(--gradient-primary);
}

.player-avatar:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
  transform: scale(1.05);
}

.player-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.player-avatar-emoji {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: var(--gradient-primary);
}

.player-card {
  text-align: center;
  animation: scaleIn 0.3s ease-out;
  transition: transform 0.2s ease;
}

.player-card:hover {
  transform: translateY(-4px);
}

.player-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  font-weight: 500;
}

/* ============================================
   GRID LAYOUTS
   ============================================ */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.grid-players {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

/* ============================================
   RANK BADGES - Modernos
   ============================================ */
.rank-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow);
  animation: scaleIn 0.4s ease-out;
}

.rank-badge.novato {
  background: linear-gradient(135deg, #64748b 0%, #475569 100%);
  color: white;
}

.rank-badge.amateur {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: white;
}

.rank-badge.intermedio {
  background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%);
  color: white;
}

.rank-badge.avanzado {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  color: #000;
}

.rank-badge.pro {
  background: linear-gradient(135deg, #a855f7 0%, #9333ea 100%);
  color: white;
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
}

.rank-badge.leyenda {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
  box-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.5);
  }
  50% {
    box-shadow: 0 0 30px rgba(239, 68, 68, 0.8);
  }
}

/* ============================================
   PROGRESS BARS
   ============================================ */
.level-progress {
  margin: 1rem 0;
}

.level-progress-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.level-progress-bar {
  width: 100%;
  height: 12px;
  background: var(--bg-secondary);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.level-progress-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 1rem;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 0.5rem;
  font-size: 0.625rem;
  font-weight: 700;
  color: white;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.progress-bar-fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 1rem;
  transition: width 0.6s ease;
}

/* ============================================
   STATS CARDS
   ============================================ */
.stats-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  padding: 1.5rem;
  margin: 1rem 0;
  animation: slideUp 0.3s ease-out;
}

.stats-card h3 {
  color: var(--text-primary);
  font-size: 1rem;
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.stat-item {
  background: rgba(0, 0, 0, 0.2);
  padding: 1.25rem;
  border-radius: 0.75rem;
  border: 1px solid var(--glass-border);
  text-align: center;
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.stat-item.stat-wins {
  border-color: rgba(16, 185, 129, 0.3);
}

.stat-item.stat-losses {
  border-color: rgba(239, 68, 68, 0.3);
}

.stat-item.stat-mvps {
  border-color: rgba(245, 158, 11, 0.3);
}

.stat-item.stat-streak {
  border-color: rgba(168, 85, 247, 0.3);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
  display: block;
  font-weight: 600;
}

.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  display: block;
  line-height: 1;
}

.stat-trend {
  font-size: 0.625rem;
  margin-top: 0.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  background: rgba(0, 0, 0, 0.2);
  font-weight: 600;
}

.stat-trend.up {
  color: var(--success);
}

.stat-trend.down {
  color: var(--error);
}

.stat-trend.neutral {
  color: var(--text-tertiary);
}

/* ============================================
   COMPARISON STATS
   ============================================ */
.comparison-stats {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 0.75rem;
  margin: 0.75rem 0;
}

.comparison-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 1rem;
  overflow: hidden;
}

.comparison-fill {
  height: 100%;
  background: var(--gradient-primary);
  transition: width 0.6s ease;
  border-radius: 1rem;
}

/* ============================================
   BADGES
   ============================================ */
.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0.25rem;
}

.badge-gold {
  background: var(--gradient-warning);
  color: white;
}

.badge-silver {
  background: linear-gradient(135deg, #94a3b8 0%, #64748b 100%);
  color: white;
}

.badge-bronze {
  background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
  color: white;
}

/* ============================================
   MATCH INFO
   ============================================ */
.match-info {
  text-align: center;
  margin-bottom: 1.5rem;
}

.match-info h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.match-info p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.match-info a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.match-info a:hover {
  color: var(--primary-light);
}

/* ============================================
   GALLERY
   ============================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: 0.75rem;
  overflow: hidden;
  aspect-ratio: 1;
  border: 1px solid var(--glass-border);
  transition: all 0.3s ease;
  background: var(--glass-bg);
}

.gallery-item:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   NAVIGATION - Bottom Bar Moderna
   ============================================ */
.app-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  padding: 0.75rem;
  z-index: 100;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.app-nav button {
  background: transparent !important;
  border: none !important;
  color: var(--text-tertiary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem !important;
  font-size: 0.625rem;
  font-weight: 500;
  border-radius: 0.75rem;
  transition: all 0.2s ease;
  box-shadow: none !important;
}

.app-nav button span:first-child {
  font-size: 1.5rem;
}

.app-nav button:hover {
  color: var(--primary-light);
  background: rgba(99, 102, 241, 0.1) !important;
  transform: translateY(-2px);
}

.app-nav button.active {
  color: var(--primary);
  background: rgba(99, 102, 241, 0.15) !important;
}

.app-nav button:active {
  transform: scale(0.95) !important;
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center {
  text-align: center;
}

.mb-1 {
  margin-bottom: 1rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

.mt-1 {
  margin-top: 1rem;
}

.mt-2 {
  margin-top: 2rem;
}

/* ============================================
   RESPONSIVE - Mobile First
   ============================================ */
@media (max-width: 640px) {
  .app-header h1 {
    font-size: 1.25rem;
  }

  .app-main {
    padding: 1rem;
  }

  .glass-card,
  .pixel-border {
    padding: 1rem;
    margin-bottom: 1rem;
  }

  button {
    padding: 0.75rem 1.25rem;
    font-size: 0.8125rem;
  }

  .grid-players {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 1rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-value {
    font-size: 1.5rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }
}

@media (min-width: 641px) and (max-width: 1024px) {
  .app-main {
    padding: 2rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1025px) {
  .app-container {
    max-width: 1200px;
    margin: 0 auto;
  }

  .app-main {
    padding: 2.5rem;
  }
}

/* ============================================
   DARK MODE OPTIMIZATIONS
   ============================================ */
@media (prefers-color-scheme: dark) {
  /* Already optimized for dark */
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible for keyboard navigation */
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}