/* Mega Group – hệ thống thiết kế dùng chung
   Nền xanh navy theo chữ logo, điểm nhấn lấy từ dải màu logo (hồng → cam) như ánh đèn sân khấu. */
:root{
  --ink:#0b2238; --ink-2:#112d48; --ink-3:#1d3c5a; --on-ink:#eef3f8; --on-ink-muted:#9fb1c4;
  --bg:#f3f5f8; --surface:#ffffff; --surface-2:#edf1f5; --text:#0f2338; --muted:#5a6b7d; --line:#dbe2ea; --line-strong:#c4cfdb;
  --brand-1:#dc468e; --brand-2:#f2845a; --brand-grad:linear-gradient(100deg,var(--brand-1),var(--brand-2));
  --brass:#e2596f; --brass-strong:#c43c5c; --brass-soft:#fdeaee; --brass-glow:rgba(226,89,111,.28);
  --ok:#2f7d55; --ok-soft:#e1f1e8; --warn:#9b6b0e; --warn-soft:#f8eed8; --bad:#b4433a; --bad-soft:#f8e3e0; --info:#2f6475; --info-soft:#e0eef2;
  --f-display:"Archivo","Plus Jakarta Sans",system-ui,sans-serif;
  --f-body:"Plus Jakarta Sans","Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --r-sm:8px; --r:14px; --r-lg:20px;
  --shadow:0 1px 2px rgba(11,34,56,.05),0 8px 24px rgba(11,34,56,.07);
  --gutter:max(20px,env(safe-area-inset-left,0px));
}
@media (prefers-color-scheme:dark){:root{
  --bg:#08131f; --surface:#0f1f30; --surface-2:#15283b; --text:#e6edf5; --muted:#93a5b8; --line:#1f3549; --line-strong:#2b4560;
  --brass:#f07a7a; --brass-strong:#f59a8a; --brass-soft:#3b1d25;
  --ok:#6fc596; --ok-soft:#17322a; --warn:#e3b553; --warn-soft:#3a2f15; --bad:#ef8c80; --bad-soft:#3d1f1c; --info:#7fc0d3; --info-soft:#173039;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25); color-scheme:dark}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--f-body);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
[hidden]{display:none!important}
.ic{width:20px;height:20px;flex:none}
.container{width:100%;max-width:1160px;margin:0 auto;padding-left:var(--gutter);padding-right:max(20px,env(safe-area-inset-right,0px))}
h1,h2,h3{margin:0;line-height:1.2;text-wrap:balance;font-family:var(--f-display);font-stretch:112%;letter-spacing:-.01em}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--brass)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
:focus-visible{outline:2px solid var(--brass);outline-offset:2px}

/* ---------- nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:600;font-size:15px;
  border-radius:999px;border:1px solid transparent;padding:12px 22px;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s,transform .1s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 6px 18px -8px rgba(220,70,142,.6)}
.btn-primary:hover:not(:disabled){filter:brightness(1.06)}
.btn-dark{background:var(--ink);color:var(--on-ink)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--text)}
.btn-ok{background:var(--ok);color:#fff}
.btn-danger{background:transparent;border-color:var(--bad);color:var(--bad)}
.btn-danger.solid{background:var(--bad);color:#fff}
.btn-sm{padding:8px 14px;font-size:13px}
.btn-block{width:100%}

/* ---------- trạng thái ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;white-space:nowrap;line-height:1.4}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.pending{background:var(--warn-soft);color:var(--warn)}
.pill.approved{background:var(--ok-soft);color:var(--ok)}
.pill.rejected{background:var(--bad-soft);color:var(--bad)}
.pill.cancelled{background:var(--surface-2);color:var(--muted)}
.pill.checked{background:var(--info-soft);color:var(--info)}

.alert{display:flex;gap:10px;align-items:flex-start;font-size:14px;padding:12px 14px;border-radius:var(--r-sm);background:var(--warn-soft);color:var(--warn)}
.alert.err{background:var(--bad-soft);color:var(--bad)}
.alert.ok{background:var(--ok-soft);color:var(--ok)}

.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:100;
  background:var(--ink);color:var(--on-ink);padding:12px 18px;border-radius:999px;font-size:14px;box-shadow:var(--shadow);max-width:calc(100vw - 32px)}
.booking-dialog{width:min(520px,calc(100vw - 28px));max-height:calc(100dvh - 28px);padding:0;border:0;border-radius:var(--r-lg);background:var(--surface);color:var(--text);box-shadow:0 22px 70px rgba(0,0,0,.3)}
.booking-dialog::backdrop{background:rgba(7,22,38,.7)}
.booking-dialog-card{padding:clamp(20px,5vw,32px);overflow:auto}
.booking-dialog-card h2{font-size:24px;margin-bottom:10px}
.booking-dialog-card p{margin:0 0 18px}
.booking-dialog-details{display:grid;gap:10px;padding:16px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface-2)}
.booking-dialog-details div{display:grid;grid-template-columns:110px minmax(0,1fr);gap:8px;overflow-wrap:anywhere}
.booking-dialog-details small{color:var(--muted)}
.booking-dialog-actions{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:10px;margin-top:22px}
@media(max-width:560px){.booking-dialog-actions .btn{flex:1}.booking-dialog-details div{grid-template-columns:1fr;gap:0}}

/* ---------- form ---------- */
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field>span{font-size:13px;font-weight:600}
.field small{font-weight:400;color:var(--muted)}
.input,select.input,textarea.input{font:inherit;font-size:15px;color:var(--text);background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--r-sm);padding:12px 14px;width:100%;transition:border-color .15s,box-shadow .15s}
.input:focus{outline:none;border-color:var(--brass);box-shadow:0 0 0 3px var(--brass-glow)}
textarea.input{min-height:88px;resize:vertical}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){.grid-2{grid-template-columns:1fr}}
.check{display:flex;gap:12px;align-items:flex-start;font-size:13px;color:var(--muted);cursor:pointer}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--brass);flex:none}

@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}