:root{
  --tiktok-pink:#fe2c55;
  --tiktok-cyan:#25f4ee;
  --background:#ffffff;
  --foreground:#0b0b14;
  --muted:#f4f4f6;
  --muted-foreground:#5b5b6b;
  --card:#ffffff;
  --border:#e7e7ee;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--background);color:var(--foreground);font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans Bengali",sans-serif}
.bg-background{background:var(--background)}.text-foreground{color:var(--foreground)}
.bg-card{background:var(--card)}.bg-muted{background:var(--muted)}
.text-muted-foreground{color:var(--muted-foreground)}.border,.border-b,.border-t{border-color:var(--border)}
.gradient-tiktok{background:linear-gradient(135deg,var(--tiktok-pink),#a21caf 50%,var(--tiktok-cyan))}
.text-gradient-tiktok{background:linear-gradient(135deg,var(--tiktok-pink),#a21caf 50%,var(--tiktok-cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.animate-marquee{animation:marquee 28s linear infinite}

/* Modal */
.ttcb-modal{position:fixed;inset:0;background:rgba(10,10,20,.55);display:none;align-items:flex-start;justify-content:center;z-index:90;padding:24px 12px;overflow-y:auto}
.ttcb-modal.open{display:flex}
.ttcb-modal__card{background:#fff;width:100%;max-width:520px;border-radius:18px;padding:22px;box-shadow:0 20px 60px -10px rgba(0,0,0,.25);position:relative}
.ttcb-modal__close{position:absolute;top:10px;right:12px;background:none;border:0;font-size:24px;cursor:pointer;color:#666;line-height:1}
.ttcb-step{display:none}.ttcb-step.active{display:block}
.ttcb-radio-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.ttcb-radio{display:flex;align-items:center;gap:10px;padding:12px 14px;border:2px solid var(--border);border-radius:12px;cursor:pointer;font-weight:600}
.ttcb-radio input{accent-color:var(--tiktok-pink)}
.ttcb-radio.selected{border-color:var(--tiktok-pink);background:#fff1f4}
.ttcb-input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;font-size:15px;margin-top:6px;outline:none}
.ttcb-input:focus{border-color:var(--tiktok-pink);box-shadow:0 0 0 3px #fe2c5530}
.ttcb-btn{display:inline-block;padding:12px 22px;border-radius:999px;font-weight:700;border:0;cursor:pointer;font-size:15px}
.ttcb-btn-primary{background:var(--tiktok-pink);color:#fff}
.ttcb-btn-ghost{background:#f1f1f4;color:#111}
.ttcb-summary{background:#fafafc;border:1px solid var(--border);border-radius:12px;padding:14px;margin:14px 0;font-size:14px;line-height:1.7}
.ttcb-step h3{margin:0 0 4px;font-size:20px;font-weight:800}
.ttcb-step p.sub{margin:0 0 14px;color:var(--muted-foreground);font-size:14px}
.ttcb-actions{display:flex;justify-content:space-between;gap:10px;margin-top:18px}
.ttcb-pay-logo{display:inline-block;padding:2px 8px;border-radius:6px;color:#fff;font-weight:800;font-size:12px;margin-right:6px}
.pay-bKash{background:#e2136e}.pay-Nagad{background:#ec1c24}.pay-Rocket{background:#8c3494}

/* ---- Mobile bottom nav ---- */
.ttcb-bottomnav{position:fixed;bottom:0;left:0;right:0;background:var(--background);border-top:1px solid var(--border);z-index:50;padding:8px 0;box-shadow:0 -2px 10px rgba(0,0,0,0.06)}
.ttcb-bottomnav__menu{display:flex;justify-content:space-around;align-items:center;list-style:none;margin:0;padding:0}
.ttcb-bottomnav__menu li{flex:1;text-align:center}
.ttcb-bottomnav__menu a{display:block;padding:6px 4px;font-size:12px;font-weight:600;color:var(--foreground);text-decoration:none}
.ttcb-bottomnav__menu a:hover{color:var(--tiktok-pink)}