/* ================================================
   CorrectBetting — Betting Calculators
   Shared stylesheet (used by all 6 calculator pages + hub)
   Design: Apple glass + gold accent
   ================================================ */

:root {
  --cb-bg: #f7f8fa;
  --cb-card: rgba(255, 255, 255, 0.72);
  --cb-card-border: rgba(15, 23, 42, 0.06);
  --cb-text: #0f172a;
  --cb-text-soft: #475569;
  --cb-text-muted: #94a3b8;
  --cb-gold: #ffd700;
  --cb-gold-deep: #ffb800;
  --cb-gold-soft: rgba(255, 215, 0, 0.12);
  --cb-success: #10b981;
  --cb-danger: #ef4444;
  --cb-radius: 16px;
  --cb-radius-sm: 10px;
  --cb-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 1px rgba(15, 23, 42, 0.03);
  --cb-shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15, 23, 42, 0.04);
  --cb-shadow-gold: 0 8px 24px rgba(255, 184, 0, 0.18), 0 2px 8px rgba(255, 184, 0, 0.12);
  --cb-font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
}

/* ===== Page wrapper ===== */
.cb-calc-page {
  font-family: var(--cb-font);
  color: var(--cb-text);
  background: var(--cb-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.cb-calc-container {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

/* ===== Breadcrumb ===== */
.cb-breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--cb-text-muted);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.cb-breadcrumb a {
  color: var(--cb-text-soft);
  text-decoration: none;
  transition: color .15s;
}
.cb-breadcrumb a:hover { color: var(--cb-text); }
.cb-breadcrumb-sep { opacity: .5; }

/* ===== Header ===== */
.cb-calc-header {
  text-align: center;
  margin-bottom: 32px;
}
.cb-calc-header h1 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  line-height: 1.15;
}
.cb-calc-header p {
  font-size: 16px;
  color: var(--cb-text-soft);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.55;
}

/* ===== Glass card (the calculator itself) ===== */
.cb-calc-card {
  background: var(--cb-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--cb-card-border);
  border-radius: var(--cb-radius);
  box-shadow: var(--cb-shadow-md);
  padding: 28px;
  margin-bottom: 24px;
}

@media (max-width: 600px) {
  .cb-calc-card { padding: 20px 16px; }
  .cb-calc-container { padding: 20px 14px 60px; }
}

/* ===== Form elements ===== */
.cb-field {
  margin-bottom: 18px;
}
.cb-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}
@media (max-width: 540px) {
  .cb-field-row { grid-template-columns: 1fr; }
}

.cb-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--cb-text-soft);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}

.cb-input,
.cb-select {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--cb-font);
  font-size: 15px;
  font-weight: 500;
  color: var(--cb-text);
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: var(--cb-radius-sm);
  transition: border-color .15s, box-shadow .15s;
  box-sizing: border-box;
  -webkit-appearance: none;
  appearance: none;
}
.cb-input:focus,
.cb-select:focus {
  outline: none;
  border-color: var(--cb-gold-deep);
  box-shadow: 0 0 0 3px rgba(255, 184, 0, 0.15);
}

.cb-select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%2394a3b8' d='M6 8L0 0h12z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* ===== Buttons ===== */
.cb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--cb-font);
  font-size: 15px;
  font-weight: 600;
  border: none;
  border-radius: var(--cb-radius-sm);
  cursor: pointer;
  transition: transform .12s, box-shadow .15s, background .15s;
  text-decoration: none;
}
.cb-btn-primary {
  background: linear-gradient(135deg, var(--cb-gold) 0%, var(--cb-gold-deep) 100%);
  color: #0f172a;
  box-shadow: var(--cb-shadow-gold);
}
.cb-btn-primary:hover { transform: translateY(-1px); }
.cb-btn-primary:active { transform: translateY(0); }

.cb-btn-ghost {
  background: transparent;
  color: var(--cb-text-soft);
  border: 1px solid rgba(15, 23, 42, 0.1);
}
.cb-btn-ghost:hover {
  background: rgba(15, 23, 42, 0.04);
  color: var(--cb-text);
}

.cb-btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* ===== Result box (gold-accented) ===== */
.cb-result {
  margin-top: 22px;
  padding: 22px;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.08) 0%, rgba(255, 184, 0, 0.04) 100%);
  border: 1px solid rgba(255, 184, 0, 0.25);
  border-radius: var(--cb-radius);
  position: relative;
  overflow: hidden;
}
.cb-result::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: linear-gradient(180deg, var(--cb-gold) 0%, var(--cb-gold-deep) 100%);
}
.cb-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 18px;
}
.cb-result-item {
  display: flex;
  flex-direction: column;
}
.cb-result-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--cb-text-muted);
  margin-bottom: 4px;
}
.cb-result-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--cb-text);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.cb-result-value.gold { color: var(--cb-gold-deep); }
.cb-result-value.success { color: var(--cb-success); }
.cb-result-value.danger { color: var(--cb-danger); }

/* ===== Leg rows (for parlay) ===== */
.cb-leg-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}
.cb-leg {
  display: grid;
  grid-template-columns: 32px 1fr 40px;
  gap: 10px;
  align-items: center;
  padding: 10px;
  background: rgba(15, 23, 42, 0.025);
  border-radius: var(--cb-radius-sm);
}
.cb-leg-num {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: var(--cb-text);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border-radius: 8px;
}
.cb-leg-remove {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  color: var(--cb-text-muted);
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  transition: all .15s;
}
.cb-leg-remove:hover {
  background: rgba(239, 68, 68, 0.08);
  color: var(--cb-danger);
  border-color: rgba(239, 68, 68, 0.2);
}

/* ===== Content sections (below calculator) ===== */
.cb-section {
  margin-top: 40px;
}
.cb-section h2 {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--cb-text);
}
.cb-section h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 22px 0 10px;
  color: var(--cb-text);
}
.cb-section p {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--cb-text-soft);
  margin: 0 0 14px;
}
.cb-section ul, .cb-section ol {
  padding-left: 22px;
  margin: 0 0 14px;
}
.cb-section li {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--cb-text-soft);
  margin-bottom: 6px;
}

/* ===== Example box ===== */
.cb-example {
  background: rgba(15, 23, 42, 0.025);
  border-left: 3px solid var(--cb-gold-deep);
  padding: 16px 18px;
  border-radius: 0 var(--cb-radius-sm) var(--cb-radius-sm) 0;
  margin: 16px 0;
}
.cb-example strong { color: var(--cb-text); }

/* ===== FAQ accordion ===== */
.cb-faq {
  border-top: 1px solid rgba(15, 23, 42, 0.06);
}
.cb-faq-item {
  border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}
.cb-faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  background: none;
  border: none;
  font-family: var(--cb-font);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--cb-text);
  text-align: left;
  cursor: pointer;
  letter-spacing: -0.005em;
}
.cb-faq-q::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--cb-text-muted);
  transition: transform .2s;
  margin-left: 14px;
  flex-shrink: 0;
}
.cb-faq-item.open .cb-faq-q::after {
  content: "−";
  transform: rotate(0deg);
  color: var(--cb-gold-deep);
}
.cb-faq-a {
  display: none;
  padding: 0 0 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--cb-text-soft);
}
.cb-faq-item.open .cb-faq-a { display: block; }

/* ===== Author byline ===== */
.cb-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: rgba(15, 23, 42, 0.025);
  border-radius: var(--cb-radius-sm);
  margin: 28px 0 0;
}
.cb-author img {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
}
.cb-author-info {
  display: flex;
  flex-direction: column;
  font-size: 13px;
}
.cb-author-name {
  font-weight: 700;
  color: var(--cb-text);
  font-size: 14px;
}
.cb-author-name a { color: inherit; text-decoration: none; }
.cb-author-name a:hover { color: var(--cb-gold-deep); }
.cb-author-role { color: var(--cb-text-muted); }

/* ===== Related calculators grid (for cross-linking) ===== */
.cb-related {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 16px;
}
.cb-related-card {
  display: block;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--cb-card-border);
  border-radius: var(--cb-radius-sm);
  text-decoration: none;
  color: inherit;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.cb-related-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 184, 0, 0.35);
  box-shadow: var(--cb-shadow-md);
}
.cb-related-card h4 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--cb-text);
}
.cb-related-card p {
  margin: 0;
  font-size: 13px;
  color: var(--cb-text-muted);
  line-height: 1.45;
}

/* ===== Hub grid (for /betting-calculators/ index page) ===== */
.cb-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.cb-hub-card {
  display: block;
  padding: 22px;
  background: var(--cb-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--cb-card-border);
  border-radius: var(--cb-radius);
  text-decoration: none;
  color: inherit;
  transition: transform .18s, box-shadow .18s, border-color .18s;
  position: relative;
  overflow: hidden;
}
.cb-hub-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--cb-gold) 0%, var(--cb-gold-deep) 100%);
  opacity: 0;
  transition: opacity .18s;
}
.cb-hub-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--cb-shadow-md);
  border-color: rgba(255, 184, 0, 0.25);
}
.cb-hub-card:hover::before { opacity: 1; }
.cb-hub-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: var(--cb-gold-soft);
  border-radius: 12px;
  margin-bottom: 14px;
  font-size: 22px;
}
.cb-hub-card h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--cb-text);
  letter-spacing: -0.01em;
}
.cb-hub-card p {
  margin: 0;
  font-size: 14px;
  color: var(--cb-text-soft);
  line-height: 1.5;
}
.cb-hub-arrow {
  margin-top: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cb-gold-deep);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}