/* ============================================================
   Dashbet — base.css
   CSS Variables · Reset · Typography · Utilities · Responsive
   ============================================================ */

/* --- CSS Variables (Design Tokens) --- */
:root {
  /* Brand Palette */
  --color-dark: #0C1210;
  --color-bg: #101815;
  --color-surface: #17231D;
  --color-primary: #16C784;
  --color-accent: #FFC531;
  --color-odds: #FFC531;
  --color-live: #EF4444;
  --color-text: #EEF2F0;
  --color-muted: #8A9A93;

  /* Derived */
  --color-primary-hover: #13a86e;
  --color-surface-light: #1e2d26;
  --color-border: #243a2f;
  --color-overlay: rgba(12, 18, 16, 0.85);
  --color-gradient-hero: linear-gradient(135deg, #0C1210 0%, #17231D 50%, #101815 100%);

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

  /* Font Sizes (fluid) */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 1.875rem;
  --fs-3xl: 2.25rem;
  --fs-4xl: 3rem;

  /* 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;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(22,199,132,0.15);

  /* Layout */
  --header-height: 64px;
  --nav-height: 44px;
  --sidebar-width: 220px;
  --bottom-bar-height: 60px;
  --max-content: 1280px;
  --max-article: 780px;

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

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
}

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

/* --- Table Responsive Wrapper (MANDATORY) --- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.table-responsive table {
  width: 100%;
  min-width: 560px;
}

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

h1 {
  font-size: clamp(1.75rem, 4vw, var(--fs-3xl));
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(1.375rem, 3vw, var(--fs-2xl));
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-border);
}

h3 {
  font-size: clamp(1.125rem, 2.5vw, var(--fs-xl));
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

h4 {
  font-size: var(--fs-md);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

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

strong, b {
  font-weight: 600;
}

em, i {
  font-style: italic;
}

blockquote {
  border-left: 3px solid var(--color-primary);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
  background: var(--color-surface);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-muted);
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-surface);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
}

pre {
  background: var(--color-surface);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
  max-width: 100%;
  margin-bottom: var(--space-lg);
}

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

.article-container {
  width: 100%;
  max-width: var(--max-article);
  margin: 0 auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-muted); }
.text-live { color: var(--color-live); }
.text-odds { color: var(--color-odds); }
.bg-dark { background-color: var(--color-dark); }
.bg-surface { background-color: var(--color-surface); }

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.65rem 1.5rem;
  font-size: var(--fs-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  min-height: 44px;
  min-width: 44px;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #000;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #000;
  box-shadow: var(--shadow-glow);
}

.btn-accent {
  background: var(--color-accent);
  color: #000;
}

.btn-accent:hover {
  background: #e6b02c;
  color: #000;
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: #000;
}

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

.btn-outline-accent:hover {
  background: var(--color-accent);
  color: #000;
}

.btn-sm {
  padding: 0.4rem 1rem;
  font-size: var(--fs-xs);
}

.btn-lg {
  padding: 0.85rem 2rem;
  font-size: var(--fs-base);
}

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

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

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2em 0.6em;
  font-size: var(--fs-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.badge-primary {
  background: var(--color-primary);
  color: #000;
}

.badge-accent {
  background: var(--color-accent);
  color: #000;
}

.badge-21 {
  background: var(--color-accent);
  color: #000;
  font-size: var(--fs-sm);
  padding: 0.25em 0.75em;
  font-weight: 700;
}

/* --- Odds Display --- */
.odds-box {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  padding: 0.4rem 0.75rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-width: 60px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.odds-box:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-light);
}

.odds-box .label {
  font-size: 0.65rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.odds-box .value {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-odds);
}

/* --- Tables --- */
.table-responsive table th,
.table-responsive table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--fs-sm);
}

.table-responsive table th {
  background: var(--color-surface);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  font-size: var(--fs-xs);
  letter-spacing: 0.5px;
}

.table-responsive table tr:hover td {
  background: rgba(22,199,132,0.04);
}

.table-responsive table td {
  color: var(--color-text);
}

/* --- Section Banners (SVG containers) --- */
.section-banner {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-xl);
  position: relative;
  min-height: 180px;
  display: flex;
  align-items: center;
}

.section-banner img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* --- FAQ Accordion --- */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  cursor: pointer;
  font-weight: 600;
  font-size: var(--fs-base);
  color: var(--color-text);
  transition: background var(--transition-fast);
  min-height: 44px;
}

.faq-question:hover {
  background: var(--color-surface-light);
}

.faq-question .icon {
  font-size: var(--fs-xl);
  transition: transform var(--transition-base);
  color: var(--color-primary);
  flex-shrink: 0;
}

.faq-item.active .faq-question .icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer-inner {
  padding: var(--space-md) var(--space-lg) var(--space-lg);
  color: var(--color-muted);
  font-size: var(--fs-sm);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 600px;
}

/* --- Disclaimer Banner --- */
.disclaimer {
  background: rgba(255,197,49,0.08);
  border: 1px solid rgba(255,197,49,0.2);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.disclaimer strong {
  color: var(--color-accent);
}

/* --- Author Box --- */
.author-box {
  display: flex;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-top: var(--space-3xl);
}

.author-box .author-photo {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--color-primary);
}

.author-box .author-info h4 {
  margin-top: 0;
  color: var(--color-text);
}

.author-box .author-info .role {
  color: var(--color-primary);
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.author-box .author-info .bio {
  color: var(--color-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

/* --- Pros / Cons Lists --- */
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.pros-cons .pros h4,
.pros-cons .cons h4 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.pros-cons .pros h4 { color: var(--color-primary); }
.pros-cons .cons h4 { color: var(--color-live); }

.pros-cons ul {
  padding-left: var(--space-lg);
}

.pros-cons li {
  position: relative;
  margin-bottom: var(--space-sm);
  padding-left: var(--space-md);
  font-size: var(--fs-sm);
  color: var(--color-muted);
  list-style: disc;
}

/* --- Scrollbar (Webkit) --- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

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

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

/* --- Cookie Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  background: var(--color-dark);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.cookie-banner p {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-bottom: 0;
  flex: 1;
  min-width: 200px;
}

.cookie-banner .btn {
  flex-shrink: 0;
}

.cookie-banner.hidden {
  display: none;
}

/* --- Breadcrumbs --- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.breadcrumbs a {
  color: var(--color-muted);
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs .separator {
  color: var(--color-border);
}

.breadcrumbs .current {
  color: var(--color-text);
}

/* ============================================================
   RESPONSIVE — MOBILE FIRST
   ============================================================ */

/* Mobile ≤600px */
@media (max-width: 600px) {
  :root {
    --header-height: 56px;
    --space-3xl: 2.5rem;
  }

  .container {
    padding: 0 var(--space-sm);
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
    margin-top: var(--space-xl);
  }

  h3 {
    font-size: 1.05rem;
  }

  .pros-cons {
    grid-template-columns: 1fr;
  }

  .author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .cookie-banner {
    flex-direction: column;
    text-align: center;
    padding-bottom: calc(var(--bottom-bar-height) + var(--space-md));
  }
}

/* Tablet 601–1024px */
@media (min-width: 601px) and (max-width: 1024px) {
  .container {
    padding: 0 var(--space-lg);
  }
}

/* Desktop ≥1025px */
@media (min-width: 1025px) {
  .container {
    padding: 0 var(--space-xl);
  }
}