/* tools-wc.css — World Cup 2026 Theme */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --wc-bg:         #0d2818;
  --wc-card:       #1a472a;
  --wc-card2:      #15381f;
  --wc-gold:       #FFD700;
  --wc-gold-hover: #FFC200;
  --wc-gold-dim:   rgba(255,215,0,.25);
  --wc-text:       #ffffff;
  --wc-muted:      #b0bec5;
  --wc-border:     rgba(255,215,0,.3);
  --wc-input-bg:   #0a1f0f;
  --wc-shadow:     0 4px 20px rgba(0,0,0,.4);
}

html { scroll-behavior: smooth; }
body.wc-tool {
  font-family: -apple-system,'PingFang HK','Noto Sans TC','Microsoft JhengHei',sans-serif;
  background: var(--wc-bg);
  color: var(--wc-text);
  line-height: 1.7;
  min-height: 100vh;
}

/* HEADER */
.wc-header {
  background: #0a1f0f;
  border-bottom: 2px solid var(--wc-gold);
  padding: 12px 20px;
  display: flex; align-items: center; gap: 12px;
  position: sticky; top: 0; z-index: 100;
}
.wc-logo {
  font-size: 18px; font-weight: 900; color: var(--wc-gold);
  text-decoration: none; letter-spacing: .05em; flex-shrink: 0;
}
.wc-nav {
  display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; flex: 1;
}
.wc-nav::-webkit-scrollbar { display: none; }
.wc-nav a {
  font-size: 12px; color: var(--wc-muted); text-decoration: none;
  padding: 5px 12px; border-radius: 16px; border: 1px solid rgba(255,255,255,.15);
  white-space: nowrap; transition: color .2s, border-color .2s;
}
.wc-nav a:hover, .wc-nav a.active {
  color: var(--wc-gold); border-color: var(--wc-gold-dim);
}
.wc-cta {
  flex-shrink: 0;
  background: var(--wc-gold); color: #0d2818;
  font-size: 13px; font-weight: 900; padding: 8px 16px; border-radius: 20px;
  text-decoration: none; white-space: nowrap; transition: background .2s;
}
.wc-cta:hover { background: var(--wc-gold-hover); }

/* HERO */
.wc-hero {
  background: linear-gradient(160deg, #0a1f0f 0%, #1a472a 60%, #0d2818 100%);
  padding: 52px 20px 44px; text-align: center;
  border-bottom: 1px solid var(--wc-border);
}
.wc-badge {
  display: inline-block;
  background: var(--wc-gold-dim); border: 1px solid var(--wc-gold);
  color: var(--wc-gold); font-size: 12px; font-weight: 700;
  padding: 4px 14px; border-radius: 20px; margin-bottom: 16px;
  letter-spacing: .08em; text-transform: uppercase;
}
.wc-hero h1 {
  font-size: clamp(24px, 5vw, 40px);
  font-weight: 900; line-height: 1.2; margin-bottom: 12px;
}
.wc-hero h1 span { color: var(--wc-gold); }
.wc-hero p { font-size: 15px; color: var(--wc-muted); max-width: 560px; margin: 0 auto; }

/* MAIN LAYOUT */
.wc-main { max-width: 760px; margin: 0 auto; padding: 32px 20px 60px; }

/* SEO DESCRIPTION */
.wc-desc {
  background: var(--wc-card2); border: 1px solid var(--wc-border);
  border-radius: 12px; padding: 20px 24px; margin-bottom: 28px;
  font-size: 14px; color: var(--wc-muted); line-height: 1.8;
}
.wc-desc p + p { margin-top: 10px; }

/* CALCULATOR CARD */
.wc-calc {
  background: var(--wc-card); border: 1px solid var(--wc-border);
  border-radius: 16px; padding: 28px 24px; margin-bottom: 28px;
  box-shadow: var(--wc-shadow);
}
.wc-calc h2 { font-size: 18px; font-weight: 800; margin-bottom: 20px; color: var(--wc-gold); }

/* FORM ELEMENTS */
.wc-field { margin-bottom: 16px; }
.wc-label { display: block; font-size: 13px; font-weight: 700; color: var(--wc-muted); margin-bottom: 6px; }
.wc-input {
  width: 100%; padding: 10px 14px;
  background: var(--wc-input-bg); border: 1px solid var(--wc-border);
  border-radius: 8px; color: var(--wc-text); font-size: 15px;
  outline: none; transition: border-color .2s; font-family: inherit;
}
.wc-input:focus { border-color: var(--wc-gold); }
.wc-input::placeholder { color: rgba(255,255,255,.3); }
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { opacity: 0.5; }

/* LEG ROWS (parlay) */
.leg-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.leg-num { font-size: 13px; font-weight: 700; color: var(--wc-gold); min-width: 44px; }
.leg-row .wc-input { flex: 1; margin: 0; }
.btn-remove {
  background: transparent; border: 1px solid rgba(255,255,255,.2);
  color: var(--wc-muted); width: 32px; height: 32px; border-radius: 50%;
  cursor: pointer; font-size: 16px; flex-shrink: 0;
  transition: border-color .2s, color .2s;
}
.btn-remove:hover { border-color: #f44; color: #f44; }

/* BUTTONS */
.wc-btn-row { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.wc-btn-add {
  background: transparent; border: 1px solid var(--wc-gold-dim);
  color: var(--wc-gold); font-size: 14px; font-weight: 700;
  padding: 10px 20px; border-radius: 8px; cursor: pointer;
  transition: background .2s, border-color .2s; font-family: inherit;
}
.wc-btn-add:hover { background: var(--wc-gold-dim); border-color: var(--wc-gold); }
.wc-btn-calc {
  background: var(--wc-gold); color: #0d2818;
  font-size: 14px; font-weight: 900;
  padding: 10px 28px; border-radius: 8px; border: none; cursor: pointer;
  transition: background .2s, transform .15s; font-family: inherit;
}
.wc-btn-calc:hover { background: var(--wc-gold-hover); transform: scale(1.02); }

/* RESULT BOX */
.wc-result {
  background: var(--wc-input-bg); border: 1px solid var(--wc-gold);
  border-radius: 12px; padding: 20px; margin-top: 20px; display: none;
}
.wc-result.show { display: block; }
.wc-result-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.08); font-size: 14px;
}
.wc-result-row:last-child { border-bottom: none; }
.wc-result-row span:first-child { color: var(--wc-muted); }
.wc-result-row span:last-child { font-weight: 700; }
.wc-result-row.highlight span:last-child { color: var(--wc-gold); font-size: 18px; }

/* ERROR */
.wc-error { color: #ff6b6b; font-size: 13px; margin-top: 10px; display: none; }
.wc-error.show { display: block; }

/* SECTIONS (howto, faq, embed) */
.wc-section {
  background: var(--wc-card2); border: 1px solid var(--wc-border);
  border-radius: 12px; padding: 24px; margin-bottom: 20px;
}
.wc-section h2 { font-size: 17px; font-weight: 800; margin-bottom: 14px; color: var(--wc-gold); }
.wc-section h3 { font-size: 14px; font-weight: 700; margin: 14px 0 6px; }
.wc-section p { font-size: 14px; color: var(--wc-muted); margin-bottom: 8px; }
.wc-section ol, .wc-section ul { padding-left: 20px; font-size: 14px; color: var(--wc-muted); }
.wc-section li + li { margin-top: 6px; }
.wc-section code {
  background: rgba(255,215,0,.1); color: var(--wc-gold);
  padding: 2px 6px; border-radius: 4px; font-size: 13px;
}
details { border-bottom: 1px solid rgba(255,255,255,.08); padding: 12px 0; }
details:last-child { border-bottom: none; }
summary {
  cursor: pointer; font-size: 14px; font-weight: 700;
  list-style: none; display: flex; justify-content: space-between; align-items: center;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; color: var(--wc-gold); font-size: 18px; }
details[open] summary::after { content: '\2013'; }
details p { margin-top: 10px; padding-left: 2px; }

/* EMBED SNIPPET */
.wc-embed pre {
  background: #0a1f0f; border: 1px solid var(--wc-border);
  border-radius: 8px; padding: 14px;
  font-size: 12px; color: var(--wc-muted); overflow-x: auto; margin: 10px 0 0;
  white-space: pre-wrap; word-break: break-all;
}

/* RELATED TOOLS */
.wc-related { margin-top: 24px; }
.wc-related h2 { font-size: 16px; font-weight: 700; margin-bottom: 12px; color: var(--wc-gold); }
.wc-related-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px;
}
.wc-related a {
  background: var(--wc-card2); border: 1px solid var(--wc-border);
  border-radius: 10px; padding: 12px 14px;
  font-size: 13px; font-weight: 700; color: var(--wc-text);
  text-decoration: none; transition: border-color .2s, background .2s; display: block;
}
.wc-related a:hover { border-color: var(--wc-gold); background: var(--wc-card); }

/* FOOTER */
.wc-footer {
  text-align: center; font-size: 12px; color: rgba(255,255,255,.4);
  padding: 24px 20px; border-top: 1px solid rgba(255,255,255,.08);
}

/* ODDS TRACKER TABLE */
.wc-odds-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.wc-odds-table th {
  background: var(--wc-input-bg); color: var(--wc-gold); font-weight: 700;
  padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--wc-border);
}
.wc-odds-table td {
  padding: 10px 12px; border-bottom: 1px solid rgba(255,255,255,.06); color: var(--wc-muted);
}
.wc-odds-table tr:nth-child(even) td { background: rgba(255,255,255,.03); }
.wc-odds-table tr:hover td { background: rgba(255,215,0,.06); }
.wc-update-time {
  font-size: 12px; color: rgba(255,255,255,.35); text-align: right; margin-top: 8px;
}

/* RESPONSIVE */
@media (max-width: 520px) {
  .wc-hero { padding: 36px 16px 30px; }
  .wc-main { padding: 24px 16px 48px; }
  .wc-calc { padding: 20px 16px; }
  .wc-btn-row { flex-direction: column; }
  .wc-btn-calc { width: 100%; }
  .wc-related-grid { grid-template-columns: 1fr 1fr; }
}