/* ============================================
   BASE CSS — Melbet Cameroun Affiliate
   Variables, Reset, Typography, Utilities
   ============================================ */

/* --- CSS Variables (Melbet Light Theme) --- */
:root {
  /* Colors — STRICT palette, roles fixed */
  --color-bg: #f6f7fb;
  --color-header: #ffffff;
  --color-surface: #ffffff;
  --color-surface-alt: #eef1f7;
  --color-footer: #ececf2;
  --color-primary: #ffc600;
  --color-accent: #ff8a00;
  --color-odds: #1a1a1e;
  --color-live: #16a34a;
  --color-text: #1a1a1e;
  --color-muted: #6b7280;
  --color-border: #e2e6ef;

  /* Derived */
  --color-primary-hover: #e6b200;
  --color-accent-hover: #e67a00;
  --color-danger: #dc2626;
  --color-success: #16a34a;
  --color-overlay: rgba(26, 26, 30, 0.5);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing scale */
  --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: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.06);

  /* Layout */
  --header-height: 60px;
  --nav-height: 44px;
  --sidebar-width: 220px;
  --right-sidebar-width: 280px;
  --bottom-bar-height: 56px;
  --max-width: 1400px;
  --content-max-width: 780px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, video, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

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

a:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

table {
  border-collapse: collapse;
  width: 100%;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.875rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); }
h4 { font-size: clamp(1rem, 2vw, 1.25rem); }

p {
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.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;
}

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

.text-muted { color: var(--color-muted); }
.text-accent { color: var(--color-accent); }
.text-live { color: var(--color-live); }
.text-primary { color: var(--color-primary); }

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

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.625rem 1.25rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  min-height: 44px;
  white-space: nowrap;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-text);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text);
  transform: translateY(-1px);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #fff;
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  min-height: 36px;
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: 1.0625rem;
  min-height: 52px;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-alt {
  background: var(--color-surface-alt);
}

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1.5;
}

.badge-live {
  background: var(--color-live);
  color: #fff;
}

.badge-primary {
  background: var(--color-primary);
  color: var(--color-text);
}

.badge-accent {
  background: var(--color-accent);
  color: #fff;
}

/* --- Tables --- */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.table-wrapper table {
  min-width: 600px;
}

.table-wrapper th,
.table-wrapper td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9375rem;
}

.table-wrapper th {
  background: var(--color-surface-alt);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.table-wrapper tr:last-child td {
  border-bottom: none;
}

.table-wrapper tr:hover td {
  background: var(--color-surface-alt);
}

/* --- Section spacing --- */
.section {
  padding: var(--space-2xl) 0;
}

.section-alt {
  background: var(--color-surface-alt);
}

/* --- Disclaimer banner --- */
.disclaimer-banner {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.8125rem;
  color: var(--color-muted);
  text-align: center;
}

.age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-danger);
  color: #fff;
  font-weight: 700;
  font-size: 0.75rem;
}

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

::-webkit-scrollbar-track {
  background: var(--color-surface-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-muted);
}

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

/* --- Focus visible --- */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* --- Cookie banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 2px solid var(--color-primary);
  padding: var(--space-md);
  z-index: 1000;
  box-shadow: var(--shadow-xl);
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner .cookie-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.cookie-banner p {
  flex: 1;
  font-size: 0.875rem;
  color: var(--color-muted);
  margin: 0;
}

/* --- Author block --- */
.author-block {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  align-items: flex-start;
}

.author-block .author-photo {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--color-primary);
}

.author-block .author-info h4 {
  margin-bottom: var(--space-xs);
}

.author-block .author-info .author-role {
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.author-block .author-info .author-bio {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.author-block .author-updated {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-top: var(--space-sm);
  font-style: italic;
}

/* --- Responsive helpers --- */
@media (max-width: 600px) {
  .hide-mobile { display: none !important; }
  .section { padding: var(--space-xl) 0; }
  .container { padding: 0 var(--space-sm); }
}

@media (min-width: 601px) and (max-width: 1024px) {
  .hide-tablet { display: none !important; }
}

@media (min-width: 1025px) {
  .hide-desktop { display: none !important; }
}