/* tools-casino.css — Casino Elegant Theme */
:root {
  --ca-bg: #0D0520;
  --ca-purple: #8B5CF6;
  --ca-gold: #FFD700;
  --ca-card: #1A0A38;
  --ca-border: #2D1560;
  --ca-text: #EDE9FF;
  --ca-muted: #9580B8;
  --ca-success: #22C55E;
  --ca-danger: #EF4444;
  --ca-input-bg: #0A0318;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Noto Sans HK', 'PingFang HK', sans-serif; background: var(--ca-bg); color: var(--ca-text); line-height: 1.6; }

/* Header */
.ca-header { background: linear-gradient(135deg, #0D0520 0%, #1A0A38 100%); border-bottom: 3px solid var(--ca-purple); padding: 1rem 1.5rem; display: flex; align-items: center; gap: 1rem; }
.ca-header .badge { background: var(--ca-purple); color: #fff; font-size: .7rem; font-weight: 700; padding: .2rem .6rem; border-radius: 4px; }
.ca-header h1 { font-size: 1.3rem; font-weight: 700; color: var(--ca-gold); }
.ca-header p { font-size: .85rem; color: var(--ca-muted); }

/* Hero */
.ca-hero { background: linear-gradient(135deg, var(--ca-card) 0%, var(--ca-bg) 100%); padding: 2.5rem 1.5rem; text-align: center; border-bottom: 1px solid var(--ca-border); }
.ca-hero h2 { font-size: 1.8rem; color: var(--ca-gold); margin-bottom: .5rem; }
.ca-hero p { color: var(--ca-muted); font-size: .95rem; max-width: 560px; margin: 0 auto; }

/* Calculator Card */
.ca-calc { max-width: 700px; margin: 2rem auto; padding: 0 1rem; }
.ca-card { background: var(--ca-card); border: 1px solid var(--ca-border); border-radius: 12px; padding: 1.5rem; margin-bottom: 1.5rem; }
.ca-card h3 { color: var(--ca-gold); font-size: 1rem; margin-bottom: 1rem; display: flex; align-items: center; gap: .5rem; }
.ca-card h3::before { content: '♦'; color: var(--ca-purple); }

/* Form */
.ca-form-group { margin-bottom: 1rem; }
.ca-form-group label { display: block; font-size: .85rem; color: var(--ca-muted); margin-bottom: .3rem; }
.ca-form-group input, .ca-form-group select { width: 100%; padding: .6rem .8rem; background: var(--ca-input-bg); border: 1px solid var(--ca-border); border-radius: 6px; color: var(--ca-text); font-size: .95rem; }
.ca-form-group input:focus, .ca-form-group select:focus { outline: none; border-color: var(--ca-gold); }
.ca-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* Buttons */
.ca-btn { padding: .7rem 1.4rem; border-radius: 8px; border: none; font-size: .95rem; font-weight: 600; cursor: pointer; transition: opacity .15s; }
.ca-btn:hover { opacity: .85; }
.ca-btn-primary { background: var(--ca-purple); color: #fff; }
.ca-btn-row { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: .5rem; }

/* Result */
.ca-result { display: none; background: linear-gradient(135deg, #100828 0%, var(--ca-card) 100%); border: 1px solid var(--ca-purple); border-radius: 12px; padding: 1.5rem; margin-top: 1rem; }
.ca-result.show { display: block; }
.ca-result-row { display: flex; justify-content: space-between; padding: .4rem 0; border-bottom: 1px solid var(--ca-border); font-size: .95rem; }
.ca-result-row:last-child { border-bottom: none; }
.ca-result-row .label { color: var(--ca-muted); }
.ca-result-row .value { color: var(--ca-text); font-weight: 600; }
.ca-result-row .value.highlight { color: var(--ca-gold); font-size: 1.1rem; }
.ca-result-row .value.danger { color: var(--ca-danger); }

/* Bet Type Tabs */
.ca-tabs { display: flex; gap: .5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.ca-tab { padding: .5rem 1rem; background: var(--ca-border); border: none; border-radius: 6px; color: var(--ca-muted); cursor: pointer; font-size: .9rem; }
.ca-tab.active { background: var(--ca-purple); color: #fff; }

/* Probability Table */
.ca-prob-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.ca-prob-table th { background: var(--ca-border); color: var(--ca-gold); padding: .5rem .75rem; text-align: left; }
.ca-prob-table td { padding: .5rem .75rem; border-bottom: 1px solid var(--ca-border); }
.ca-prob-table tr:last-child td { border-bottom: none; }
.ca-prob-table .ev-neg { color: var(--ca-danger); }

/* FAQ */
.ca-faq { max-width: 700px; margin: 2rem auto; padding: 0 1rem; }
.ca-faq h2 { color: var(--ca-gold); margin-bottom: 1rem; }
.ca-faq details { background: var(--ca-card); border: 1px solid var(--ca-border); border-radius: 8px; padding: 1rem; margin-bottom: .75rem; }
.ca-faq summary { cursor: pointer; font-weight: 600; color: var(--ca-text); }
.ca-faq details p { color: var(--ca-muted); margin-top: .5rem; font-size: .9rem; line-height: 1.7; }

/* SEO content */
.ca-content { max-width: 700px; margin: 2rem auto; padding: 0 1rem 3rem; }
.ca-content h2 { color: var(--ca-gold); margin-bottom: .75rem; }
.ca-content p { color: var(--ca-muted); font-size: .9rem; line-height: 1.8; margin-bottom: 1rem; }

/* Embed */
.ca-embed { max-width: 700px; margin: 2rem auto; padding: 0 1rem; }
.ca-embed h3 { color: var(--ca-muted); font-size: .9rem; margin-bottom: .5rem; }
.ca-embed pre { background: #000; color: #d8b4fe; padding: 1rem; border-radius: 6px; font-size: .8rem; overflow-x: auto; }

/* Responsive */
@media (max-width: 500px) {
  .ca-form-row { grid-template-columns: 1fr; }
  .ca-hero h2 { font-size: 1.4rem; }
}

/* RELATED TOOLS */
.ca-related { max-width: 860px; margin: 24px auto 0; padding: 0 20px; }
.ca-related h2 { font-size: 16px; font-weight: 700; margin-bottom: 12px; color: var(--ca-gold); }
.ca-related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.ca-related a { background: var(--ca-card); border: 1px solid var(--ca-border); border-radius: 10px; padding: 12px 14px; font-size: 13px; font-weight: 700; color: var(--ca-text); text-decoration: none; transition: border-color .2s; display: block; }
.ca-related a:hover { border-color: var(--ca-purple); }
@media (max-width: 600px) { .ca-related-grid { grid-template-columns: 1fr 1fr; } }