/* ============================================
   ODDSTRADER SAAS - Shared Styles
   Premium, sobrio, con degradados y tipografía adecuada
   ============================================ */

/* === CSS Variables === */
:root {
  /* Backgrounds */
  --bg-primary: #0a0a1a;
  --bg-secondary: #12122b;
  --bg-card: #1a1a2e;
  --bg-elevated: #222240;
  --bg-surface: rgba(26, 26, 46, 0.7);
  
  /* Borders */
  --border-subtle: #2a2a48;
  --border-focus: #3a3a58;
  --border-accent: rgba(0, 212, 255, 0.3);
  
  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #e2e8f0;
  --text-muted: #6b7280;
  --text-accent: #00d4ff;
  
  /* Accents */
  --accent-cyan: #00d4ff;
  --accent-cyan-dark: #0099cc;
  --accent-orange: #ff6b35;
  --accent-orange-dark: #e05522;
  --accent-green: #10b981;
  --accent-purple: #8b5cf6;
  --accent-red: #ef4444;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #8b5cf6 100%);
  --gradient-secondary: linear-gradient(135deg, #ff6b35 0%, #f59e0b 100%);
  --gradient-surface: linear-gradient(180deg, #12122b 0%, #0a0a1a 100%);
  --gradient-card: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(18, 18, 43, 0.9) 100%);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.2);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

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

a:hover {
  color: var(--accent-cyan-dark);
}

/* === Utility Classes === */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

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

.w-full { width: 100%; }
.h-full { height: 100%; }

.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }

/* === Glassmorphism Card === */
.card {
  background: var(--gradient-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.card-glass {
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(42, 42, 72, 0.5);
  border-radius: var(--radius-xl);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 12px 24px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 16px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  border-color: var(--accent-cyan);
  background: var(--bg-elevated);
}

.btn-accent {
  background: var(--gradient-secondary);
  color: white;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

/* === Inputs === */
.input {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.input:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.input::placeholder {
  color: var(--text-muted);
}

.input-icon {
  position: relative;
}

.input-icon .input {
  padding-left: 44px;
}

.input-icon i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* === Badges === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
}

.badge-cyan {
  background: rgba(0, 212, 255, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.badge-orange {
  background: rgba(255, 107, 53, 0.15);
  color: var(--accent-orange);
  border: 1px solid rgba(255, 107, 53, 0.3);
}

.badge-green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-green);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-purple {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-red {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* === Tables === */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.table th {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background: var(--bg-secondary);
}

.table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* === Grid System === */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-4,
  .grid-3,
  .grid-2 { grid-template-columns: 1fr; }
}

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

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

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

@keyframes glow {
  0%, 100% { box-shadow: 0 0 15px rgba(0, 212, 255, 0.3); }
  50% { box-shadow: 0 0 30px rgba(0, 212, 255, 0.6); }
}

.animate-fadeIn { animation: fadeIn 0.5s ease; }
.animate-slideIn { animation: slideIn 0.3s ease; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-glow { animation: glow 2s infinite; }

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

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

::-webkit-scrollbar-thumb {
  background: var(--bg-card);
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

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

/* === Responsive === */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  .container {
    padding: 0 var(--spacing-md);
  }
}