/* ============================================
   MMA Fighter Manager — Design System
   ============================================ */

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

/* --- CSS Custom Properties --- */
:root {
  /* Background — true black, no blue tint */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #161616;
  --bg-surface: #1c1c1c;
  --bg-elevated: #222222;

  /* Primary Accent — Champion Yellow */
  --accent-yellow: #FFD600;
  --accent-yellow-light: #FFE033;
  --accent-yellow-dark: #CCB000;
  --accent-yellow-glow: rgba(255, 214, 0, 0.2);

  /* Danger / Action — Red */
  --accent-red: #e63946;
  --accent-red-light: #ff4d5a;
  --accent-red-dark: #b8202d;
  --accent-red-glow: rgba(230, 57, 70, 0.3);

  /* Secondary warm (used sparingly) */
  --accent-orange: #f4a261;
  --accent-orange-light: #ffb87a;
  --accent-orange-dark: #d4884e;
  --accent-orange-glow: rgba(244, 162, 97, 0.3);

  /* Semantic Colors */
  --color-success: #2ecc71;
  --color-success-glow: rgba(46, 204, 113, 0.25);
  --color-warning: #f39c12;
  --color-warning-glow: rgba(243, 156, 18, 0.25);
  --color-danger: #e74c3c;
  --color-danger-glow: rgba(231, 76, 60, 0.25);
  --color-info: #3498db;
  --color-info-glow: rgba(52, 152, 219, 0.25);

  /* Text */
  --text-primary: #f5f5f5;
  --text-secondary: #999999;
  --text-muted: #555555;
  --text-inverse: #0a0a0a;

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);
  --border-medium: rgba(255, 255, 255, 0.15);
  --border-accent: rgba(255, 214, 0, 0.35);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-bg-hover: rgba(255, 255, 255, 0.06);
  --glass-blur: blur(16px);
  --glass-border: 1px solid var(--border-subtle);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.7);
  --shadow-glow-yellow: 0 0 20px var(--accent-yellow-glow);
  --shadow-glow-red: 0 0 20px var(--accent-red-glow);

  /* Typography */
  --font-display: 'Barlow Condensed', 'Inter', sans-serif;
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-xs: 0.7rem;
  --font-sm: 0.8rem;
  --font-base: 0.9rem;
  --font-md: 1rem;
  --font-lg: 1.15rem;
  --font-xl: 1.35rem;
  --font-2xl: 1.65rem;
  --font-3xl: 2rem;
  --font-4xl: 2.5rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50%;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Sidebar */
  --sidebar-width: 240px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-base);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--accent-orange);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-orange-light);
}

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

input, select, textarea {
  font-family: var(--font-family);
  font-size: var(--font-base);
  color: var(--text-primary);
  background: var(--bg-surface);
  border: var(--glass-border);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  outline: none;
  transition: border-color var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent-red);
}

select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23a0a0b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

ul, ol {
  list-style: none;
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: var(--font-4xl); font-weight: 900; letter-spacing: -0.02em; }
h2 { font-size: var(--font-3xl); font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: var(--font-2xl); font-weight: 700; }
h4 { font-size: var(--font-xl); font-weight: 600; }
h5 { font-size: var(--font-lg); font-weight: 600; }
h6 { font-size: var(--font-md); font-weight: 500; }

.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent-red); }
.text-orange { color: var(--accent-orange); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }

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

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 5px var(--accent-red-glow); }
  50% { box-shadow: 0 0 20px var(--accent-red-glow), 0 0 40px rgba(230, 57, 70, 0.1); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes barFill {
  from { width: 0; }
}

.animate-fade-in { animation: fadeIn var(--transition-base) ease forwards; }
.animate-fade-in-up { animation: fadeInUp var(--transition-slow) ease forwards; }
.animate-fade-in-down { animation: fadeInDown var(--transition-slow) ease forwards; }
.animate-slide-in-left { animation: slideInLeft var(--transition-slow) ease forwards; }
.animate-slide-in-right { animation: slideInRight var(--transition-slow) ease forwards; }
.animate-scale-in { animation: scaleIn var(--transition-base) ease forwards; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }

/* Staggered animation delays */
.stagger-1 { animation-delay: 50ms; }
.stagger-2 { animation-delay: 100ms; }
.stagger-3 { animation-delay: 150ms; }
.stagger-4 { animation-delay: 200ms; }
.stagger-5 { animation-delay: 250ms; }
.stagger-6 { animation-delay: 300ms; }
.stagger-7 { animation-delay: 350ms; }
.stagger-8 { animation-delay: 400ms; }

/* --- Utility Classes --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.w-full { width: 100%; }
.h-full { height: 100%; }
.relative { position: relative; }
.absolute { position: absolute; }
.overflow-hidden { overflow: hidden; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }

.text-xs { font-size: var(--font-xs); }
.text-sm { font-size: var(--font-sm); }
.text-base { font-size: var(--font-base); }
.text-md { font-size: var(--font-md); }
.text-lg { font-size: var(--font-lg); }
.text-xl { font-size: var(--font-xl); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.uppercase { text-transform: uppercase; }
.tracking-wide { letter-spacing: 0.05em; }

.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mt-xs { margin-top: var(--space-xs); }

/* --- Focus Visible (Accessibility) --- */
.btn:focus-visible,
.nav-item:focus-visible,
.tab:focus-visible,
.training-pill:focus-visible,
.camp-pill:focus-visible,
.fighter-mini-row:focus-visible,
.offer-fighter-clickable:focus-visible {
  outline: 2px solid var(--accent-red);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.card:focus-visible {
  outline: 2px solid var(--accent-orange);
  outline-offset: 2px;
}

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