:root {
  --bg: #09090b;
  --panel: #121217;
  --panel-2: #17171f;
  --text: #f7f7f8;
  --muted: #a7a7b3;
  --line: #292934;
  --red: #ef233c;
  --blue: #28b8ff;
  --yellow: #ffd52a;
  --black: #151519;
  --green: #3ddc97;
  --danger: #666674;
  font-family: "Kanit", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 0%, rgba(239,35,60,.18), transparent 30%),
    radial-gradient(circle at 88% 8%, rgba(40,184,255,.10), transparent 25%),
    var(--bg);
}
button, input, textarea { font: inherit; }
button { cursor: pointer; }

.app-shell { width: min(100%, 860px); margin: 0 auto; padding: 0 14px 48px; }
.hero { text-align: center; padding: 28px 12px 18px; }
.brand-mark { font-size: 2.15rem; font-weight: 700; letter-spacing: .02em; }
.eyebrow { color: #ffcbcb; margin: 4px 0 12px; font-size: .92rem; }
.hero h1 { margin: 0; font-size: clamp(1.7rem, 6vw, 2.7rem); }
.subtitle { max-width: 600px; margin: 10px auto 0; color: var(--muted); line-height: 1.65; }

.event-card, .legend-card, .how-it-works {
  background: rgba(18,18,23,.92);
  border: 1px solid var(--line);
  border-radius: 18px;
}
.event-card { padding: 16px; display: flex; gap: 16px; justify-content: space-between; align-items: end; }
.event-card strong { display: block; font-size: 1.12rem; margin-top: 2px; }
.small-label { color: var(--muted); font-size: .82rem; }
.event-meta { min-width: 155px; }
.event-meta label { display:block; color: var(--muted); font-size: .82rem; margin-bottom: 5px; }
.event-meta input { width: 100%; color: var(--text); background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px; }

.legend-card { margin-top: 12px; padding: 12px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; }
.legend-card > div { min-width: 0; display: grid; grid-template-columns: 18px 1fr; column-gap: 7px; align-items:center; }
.legend-card small { grid-column: 2; color: var(--muted); font-size: .72rem; }
.dot { width: 14px; height: 14px; border-radius: 50%; box-shadow: 0 0 14px currentColor; }
.dot.vip { color: var(--red); background: var(--red); }
.dot.blue { color: var(--blue); background: var(--blue); }
.dot.yellow { color: var(--yellow); background: var(--yellow); }
.dot.black { color: #f3f3f5; background: var(--black); border: 1px solid #f3f3f5; box-shadow: 0 0 10px rgba(255,255,255,.22); }
.dot.booked { color: var(--danger); background: var(--danger); box-shadow: none; }

.stage {
  margin: 20px auto 15px;
  width: min(76%, 560px);
  background: linear-gradient(180deg,#2a2a32,#111116);
  border: 1px solid #484854;
  border-bottom: 4px solid var(--red);
  border-radius: 10px 10px 18px 18px;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 700;
  padding: 10px;
  letter-spacing: .08em;
}

.table-area { overflow-x: auto; padding: 3px 0 10px; }
.table-grid { min-width: 660px; display: grid; grid-template-columns: repeat(10, 1fr); gap: 10px; padding: 3px; }
.table-btn {
  aspect-ratio: 1;
  border: 2px solid transparent;
  border-radius: 50%;
  color: #09090b;
  font-weight: 700;
  font-size: .95rem;
  position: relative;
  transition: transform .15s ease, filter .15s ease, opacity .15s ease;
}
.table-btn::before, .table-btn::after {
  content: ""; position: absolute; inset: -5px 19%; border-top: 2px solid currentColor; border-bottom: 2px solid currentColor; opacity: .45;
}
.table-btn:hover:not(:disabled), .table-btn:active:not(:disabled) { transform: scale(1.06); filter: brightness(1.1); }
.table-btn.vip { background: var(--red); box-shadow: 0 0 14px rgba(239,35,60,.25); }
.table-btn.blue { background: var(--blue); box-shadow: 0 0 14px rgba(40,184,255,.18); }
.table-btn.yellow { background: var(--yellow); box-shadow: 0 0 14px rgba(255,213,42,.15); }
.table-btn.black { background: var(--black); color: #f7f7f8; border-color: #e8e8ec; box-shadow: 0 0 12px rgba(255,255,255,.12); }
.table-btn:disabled { background: #3b3b45; color: #91919d; opacity: .7; cursor: not-allowed; box-shadow: none; }
.table-btn:disabled::after { content:"×"; inset: 50% auto auto 50%; transform: translate(-50%,-55%); border:0; font-size: 2.15rem; line-height:1; opacity:.95; color:#f4f4f5; }
.table-btn:disabled span { opacity: .15; }

.bank-account-card {
  margin: 12px 0; padding: 14px 16px; border-radius: 14px;
  background: linear-gradient(180deg, rgba(32,96,185,.22), rgba(18,18,23,.96));
  border: 1px solid rgba(82,157,255,.45); text-align: center;
}
.bank-account-title { color: #b9d7ff; font-size: .84rem; margin-bottom: 4px; }
.bank-account-name { font-weight: 700; }
.bank-account-number { font-size: 1.55rem; font-weight: 800; letter-spacing: .04em; margin: 3px 0; }
.bank-account-owner { color: var(--muted); }

.how-it-works { margin-top: 14px; padding: 16px 18px; }
.how-it-works h2 { margin: 0 0 8px; font-size: 1.12rem; }
.how-it-works ol { margin: 0; padding-left: 22px; color: var(--muted); line-height: 1.8; }

.modal[hidden] { display: none; }
.modal { position: fixed; inset: 0; z-index: 100; display:grid; align-items:end; }
.modal-backdrop { position:absolute; inset:0; background: rgba(0,0,0,.72); backdrop-filter: blur(4px); }
.modal-panel {
  position:relative; width:min(100%, 560px); max-height:92vh; overflow:auto; margin:0 auto;
  background:#111116; border:1px solid var(--line); border-radius:24px 24px 0 0; padding:22px 18px calc(24px + env(safe-area-inset-bottom));
}
.close-btn { position:absolute; right:14px; top:12px; width:38px; height:38px; border:0; border-radius:50%; background:#24242d; color:white; font-size:1.6rem; }
.modal-panel h2 { margin:2px 0 8px; font-size:1.6rem; }
.price-pill { display:inline-block; background:rgba(239,35,60,.14); color:#ff8796; border:1px solid rgba(239,35,60,.35); border-radius:999px; padding:6px 10px; margin-bottom:15px; }
form { display:grid; gap:12px; }
form label { color:#d9d9df; font-size:.9rem; }
form input, form textarea { width:100%; margin-top:5px; border:1px solid #33333e; background:#191920; color:white; border-radius:12px; padding:12px; outline:none; }
form input:focus, form textarea:focus { border-color:#69697c; box-shadow:0 0 0 3px rgba(255,255,255,.04); }
.upload-box { border:1px dashed #393946; border-radius:12px; padding:12px; }
.upload-box input { border:0; padding:7px 0 0; margin:0; background:transparent; }
.primary-btn { margin-top:4px; border:0; border-radius:14px; padding:14px 16px; color:white; background:linear-gradient(135deg,#ef233c,#b10f25); font-weight:700; box-shadow:0 10px 25px rgba(239,35,60,.2); }
.toast { position:fixed; z-index:200; left:50%; bottom:24px; transform:translate(-50%,16px); background:#f5f5f6; color:#111; padding:11px 16px; border-radius:999px; opacity:0; pointer-events:none; transition:.2s ease; box-shadow:0 10px 30px rgba(0,0,0,.35); white-space:nowrap; max-width:90vw; overflow:hidden; text-overflow:ellipsis; }
.toast.show { opacity:1; transform:translate(-50%,0); }

@media (max-width: 620px) {
  .app-shell { padding-inline: 10px; }
  .hero { padding-top: 22px; }
  .event-card { align-items: stretch; flex-direction: column; gap: 10px; }
  .event-meta { width: 100%; }
  .legend-card { grid-template-columns: repeat(2, 1fr); }
  .table-grid { min-width: 570px; gap: 8px; }
}

.customer-manage-card {
  margin-top: 12px;
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(18,18,23,.92);
  border: 1px solid var(--line);
  border-radius: 18px;
}
.customer-manage-card b { display: block; margin-bottom: 2px; }
.customer-manage-card small { display: block; color: var(--muted); line-height: 1.5; }
.primary-btn.compact { margin: 0; white-space: nowrap; padding: 11px 14px; }
.secondary-action { border: 1px solid #3b3b46; background: #202027; color: #f4f4f5; border-radius: 10px; padding: 8px 11px; }
.customer-panel { width: min(100%, 620px); }
.customer-booking-result { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.customer-summary-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 12px; }
.customer-summary-grid > div { background: #18181f; border: 1px solid #2c2c36; border-radius: 12px; padding: 10px; }
.customer-summary-grid span { display: block; color: var(--muted); font-size: .78rem; }
.customer-summary-grid b { display: block; margin-top: 2px; }
.code-row { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; align-items: center; background: #18181f; border: 1px solid #2c2c36; border-radius: 12px; padding: 10px; margin-bottom: 14px; }
.code-row span { color: var(--muted); font-size: .8rem; }
.code-row b { overflow-wrap: anywhere; }
#customerPaymentForm { padding: 14px; border: 1px solid #30303a; background: #15151b; border-radius: 14px; }
#customerPaymentForm h3, .customer-payment-history h3 { margin: 0 0 8px; }
.customer-payment-history { margin-top: 16px; }
#customerPaymentRequests { display: grid; gap: 8px; }
.customer-request-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px; border: 1px solid #30303a; border-radius: 12px; background: #17171e; }
.customer-request-row b, .customer-request-row small { display: block; }
.customer-request-row small { color: var(--muted); margin-top: 2px; }
.customer-request-row span { font-size: .8rem; border-radius: 999px; padding: 5px 8px; white-space: nowrap; }
.customer-request-row.pending span { color: #ffe66b; background: rgba(255,213,42,.12); }
.customer-request-row.approved span { color: #7cf0ba; background: rgba(61,220,151,.12); }
.customer-request-row.rejected { opacity: .7; }
.customer-request-row.rejected span { color: #c3c3cc; background: rgba(120,120,135,.15); }
.empty-payment { color: var(--muted); text-align: center; padding: 12px; }

@media (max-width: 620px) {
  .customer-manage-card { align-items: stretch; flex-direction: column; }
  .primary-btn.compact { width: 100%; }
  .customer-summary-grid { grid-template-columns: 1fr 1fr; }
  .code-row { grid-template-columns: 1fr auto; }
  .code-row span { grid-column: 1 / -1; }
}

.payment-deadline-note { margin: 10px 0 14px; padding: 12px 14px; border-radius: 12px; border: 1px solid #3b3b46; background: #17171f; color: #f5f5f7; line-height: 1.65; font-size: .92rem; }