.btc-leaderboard.modern .btc-card,.btc-matches.modern .btc-card{border-radius:16px;overflow:hidden;border:1px solid #e5e7eb;background:linear-gradient(180deg,#ffffff,#f8fafc)}
.btc-header{padding:14px 16px;border-bottom:1px solid #e5e7eb}.btc-header h3{margin:0;font-size:18px}
.btc-table-wrap{overflow:auto}
.btc-table{width:100%;border-collapse:separate;border-spacing:0;min-width:640px}
.btc-table th,.btc-table td{padding:12px 14px;border-bottom:1px solid #eef2f7;text-align:left;vertical-align:middle}
.btc-table thead th{position:sticky;top:0;background:#f8fafc;z-index:1}
.btc-table tbody tr:hover{background:#f9fbff}
.btc-chip{display:inline-block;padding:4px 10px;border-radius:999px;background:var(--btc-accent,#111827);color:#fff;font-weight:600}
.btc-last5{font-family:monospace}
.btc-player,.btc-player strong,.btc-player a{font-weight:700;color:#000 !important}
/* Dark theme */
body.btc-dark{background:#0b1220;color:#f3f4f6}
body.btc-dark .btc-card{background:#0f172a;border-color:#1e293b}
body.btc-dark .btc-header{border-color:#1e293b}
body.btc-dark .btc-table th, body.btc-dark .btc-table td{border-bottom-color:#1f2937}
body.btc-dark .btc-table thead th{background:#0f172a;color:#e5e7eb}
body.btc-dark .btc-table tbody tr:hover{background:#0b1220}
/* FABs */
.btc-fabs{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:12px;z-index:9999}
.btc-fab{background:var(--btc-accent,#111827);color:#fff;border:none;border-radius:999px;width:52px;height:52px;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 24px rgba(0,0,0,.25);cursor:pointer;font-size:20px}
.btc-install-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:999px;background:var(--btc-accent,#111827);color:#fff;border:none;cursor:pointer}
/* iOS guide overlay */
#btc-ios-guide{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:flex-end;z-index:99999}
#btc-ios-guide .sheet{background:#fff;border-top-left-radius:18px;border-top-right-radius:18px;padding:18px 16px;box-shadow:0 -10px 30px rgba(0,0,0,.2)}
#btc-ios-guide h4{margin:0 0 8px;font-size:18px}
#btc-ios-guide p{margin:8px 0}
#btc-ios-guide .row{display:flex;gap:10px;align-items:center}
#btc-ios-guide .close{position:absolute;top:10px;right:14px;background:none;border:none;font-size:24px;color:#fff}
.btc-ios-banner{position:fixed;left:12px;right:12px;bottom:12px;background:#111827;color:#fff;border-radius:12px;padding:10px 12px;display:none;z-index:99998}
.btc-ios-banner button{background:#fff;color:#111827;border:none;border-radius:999px;padding:6px 10px;margin-left:8px;cursor:pointer}
@media (max-width:640px){.btc-table{min-width:480px}.btc-header h3{font-size:16px}}