/* Premium minimal style */
.ttb-wrap { --bg:#0b0f14; --card:#111827; --muted:#6b7280; --brand:#00e0b8; --text:#e5e7eb; }
.ttb-wrap { font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji"; color: var(--text); }
.ttb-hero { background: radial-gradient(60% 80% at 70% 20%, rgba(0,224,184,0.18), transparent), linear-gradient(180deg, #0b0f14, #0b0f14), url('') center/cover no-repeat; padding: 48px 20px; border-radius: 16px; border: 1px solid #1f2937; }
.ttb-hero-inner { max-width: 900px; margin: 0 auto; text-align:center; }
.ttb-hero h1 { font-size: 36px; margin: 0 0 8px; letter-spacing: 0.3px; }
.ttb-hero p { margin: 0; color: var(--muted); }

.ttb-form { max-width: 900px; margin: 24px auto; background: var(--card); border: 1px solid #1f2937; padding: 20px; border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.25); }
.ttb-row { display:flex; flex-direction:column; margin-bottom:14px; }
.ttb-row label { margin-bottom:6px; color:#93c5fd; font-weight:600; }
.ttb-row input, .ttb-row select, .ttb-row textarea {
  background:#0b1220; border:1px solid #1f2937; color:var(--text); padding:12px 12px; border-radius:12px; outline:none; transition: border .2s, box-shadow .2s;
}
.ttb-row input:focus, .ttb-row select:focus, .ttb-row textarea:focus { border-color:#2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,0.2); }
.ttb-row textarea { min-height: 90px; resize: vertical; }

.ttb-slots { display:grid; grid-template-columns: repeat(auto-fill, minmax(90px,1fr)); gap:8px; }
.ttb-slot { background:#0b1220; border:1px solid #1f2937; padding:10px 8px; border-radius:10px; cursor:pointer; text-align:center; user-select:none; }
.ttb-slot:hover { border-color:#2563eb; }
.ttb-slot.taken { opacity: 0.45; filter: grayscale(1); cursor:not-allowed; }
.ttb-slot.selected { outline: 2px solid var(--brand); box-shadow: 0 0 0 3px rgba(0,224,184,0.25) inset; }

.ttb-btn { background: linear-gradient(135deg, #22d3ee, #14b8a6); color:#001314; padding: 14px 18px; font-weight:800; border:none; border-radius: 12px; cursor:pointer; width:100%; }
.ttb-btn:hover { filter: brightness(1.05); }
.ttb-small { color: var(--muted); font-size: 12px; margin-top:8px; }

.ttb-cash { background:#04251f; color:#86ffe8; border:1px solid #074d3f; padding:8px 12px; border-radius:10px; margin:6px 0 2px; font-size: 13px; display:inline-block; }

.ttb-success { max-width:900px; margin:18px auto; background:#052b1f; border:1px solid #0a5d44; padding:18px; border-radius:16px; }