/* SAMURAI TEAM — bảng màu hoàng gia: 70% đen tuyền · 15% đỏ rượu vang · 10% trắng ngà · 5% vàng 24K */
:root {
  --den: #0E0E0E;
  --den-2: #161414;
  --den-3: #1E1A1A;
  --vang-ruou: #7A1F2B;
  --vang-ruou-2: #93283A;
  --nga: #F8F6EF;
  --nga-mo: rgba(248, 246, 239, 0.62);
  --nga-vien: rgba(248, 246, 239, 0.12);
  --vang: #D4AF37;
  --xanh-ok: #7FB77E;
  --chu-cung: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  --chu-mem: "Playfair Display", Georgia, "Times New Roman", serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--den); color: var(--nga); }
body {
  font-family: var(--chu-cung);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--vang); }
button, input, textarea { font: inherit; color: inherit; }

.wrap { width: 100%; max-width: 520px; margin: 0 auto; padding: 0 16px; }

/* ---- thương hiệu ---- */
.brand { text-align: center; padding: 48px 0 28px; }
.brand .mon {
  width: 64px; height: 64px; margin: 0 auto 18px;
  border: 1px solid var(--vang); border-radius: 50%;
  display: grid; place-items: center;
  font-weight: 800; letter-spacing: 0.04em; color: var(--vang); font-size: 22px;
}
.brand h1 {
  margin: 0; font-weight: 800; font-size: 30px; letter-spacing: 0.22em; text-transform: uppercase;
}
.brand .sub { margin: 6px 0 0; font-size: 12px; letter-spacing: 0.32em; text-transform: uppercase; color: var(--nga-mo); }
.slogan {
  font-family: var(--chu-mem); font-style: italic; font-size: 18px; color: var(--nga);
  margin: 18px 0 0;
}
.slogan b { color: var(--vang); font-weight: 500; }
.chi-vang { height: 1px; width: 56px; background: var(--vang); margin: 22px auto 0; }

/* ---- khung ---- */
.card {
  background: var(--den-2); border: 1px solid var(--nga-vien); border-radius: 14px;
  padding: 22px 18px; margin-bottom: 16px;
}
.card h2 {
  margin: 0 0 4px; font-size: 13px; font-weight: 800; letter-spacing: 0.18em; text-transform: uppercase;
}
.card .mem { font-family: var(--chu-mem); font-style: italic; color: var(--nga-mo); margin: 0 0 16px; font-size: 15px; }

label { display: block; font-size: 13px; color: var(--nga-mo); margin: 0 0 6px; }
.input {
  width: 100%; background: var(--den); border: 1px solid var(--nga-vien); border-radius: 10px;
  padding: 14px; font-size: 16px; outline: none;
}
.input:focus { border-color: var(--vang); }
.input.code { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; letter-spacing: 0.12em; text-transform: uppercase; text-align: center; font-size: 18px; }
textarea.input { min-height: 120px; resize: vertical; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; min-height: 52px; border: 0; border-radius: 10px; cursor: pointer;
  background: var(--vang-ruou); color: var(--nga);
  font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; font-size: 14px;
  margin-top: 14px; transition: background .15s ease, transform .05s ease;
}
.btn:hover { background: var(--vang-ruou-2); }
.btn:active { transform: scale(0.99); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.ghost { background: transparent; border: 1px solid var(--nga-vien); color: var(--nga); }
.btn.ghost:hover { border-color: var(--nga-mo); background: transparent; }
.btn.small { width: auto; min-height: 38px; padding: 0 14px; font-size: 11px; margin-top: 0; letter-spacing: 0.12em; }
.btn.gold { background: transparent; color: var(--vang); border: 1px solid var(--vang); }

.msg { margin: 12px 0 0; font-size: 14px; min-height: 21px; }
.msg.err { color: #E7A3AC; }
.msg.ok { color: var(--xanh-ok); }

.foot { text-align: center; color: var(--nga-mo); font-size: 12px; padding: 24px 0 40px; letter-spacing: 0.06em; }

/* ---- thanh trên ---- */
.topbar {
  position: sticky; top: 0; z-index: 5; background: rgba(14,14,14,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--nga-vien);
}
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 58px; gap: 12px; }
.topbar .t { font-weight: 800; letter-spacing: 0.2em; font-size: 13px; }
.topbar .t span { color: var(--vang); }
.topbar .who { font-size: 12px; color: var(--nga-mo); text-align: right; line-height: 1.3; }
.topbar .who b { color: var(--nga); font-weight: 600; display: block; }

.hello { padding: 26px 0 10px; }
.hello h1 { margin: 0; font-size: 22px; font-weight: 800; letter-spacing: .02em; }
.hello p { margin: 4px 0 0; font-family: var(--chu-mem); font-style: italic; color: var(--nga-mo); }

/* ---- chọn style ---- */
.styles { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.style {
  border: 1px solid var(--nga-vien); border-radius: 12px; padding: 12px; cursor: pointer; background: var(--den);
  text-align: left; position: relative;
}
.style[aria-pressed="true"] { border-color: var(--vang); }
.style[aria-pressed="true"]::after {
  content: "✓"; position: absolute; top: 8px; right: 10px; color: var(--vang); font-weight: 800;
}
.style .mini { aspect-ratio: 9/16; border-radius: 6px; background: var(--den-3); margin-bottom: 10px; position: relative; overflow: hidden; }
.style .mini.s1 { box-shadow: inset 0 0 0 4px var(--vang-ruou); }
.style .mini .face { position: absolute; left: 50%; top: 22%; width: 34%; aspect-ratio: 1; transform: translateX(-50%); border-radius: 50%; background: #2a2424; }
.style .mini .sub { position: absolute; left: 12%; right: 12%; bottom: 14%; height: 8%; border-radius: 3px; background: var(--nga); opacity: .85; }
.style .mini .card3d {
  position: absolute; left: 50%; top: 56%; width: 56%; height: 18%; transform: translateX(-50%) perspective(80px) rotateX(14deg);
  border-radius: 6px; background: var(--vang-ruou); border: 1px solid var(--vang);
}
.style b { display: block; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.style small { color: var(--nga-mo); font-size: 12px; }

/* ---- phụ đề ---- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.chip {
  background: var(--den); border: 1px solid var(--nga-vien); border-radius: 999px; padding: 4px 10px; font-size: 13px; font-weight: 600;
}
.chip i { color: var(--vang); font-style: normal; font-size: 11px; margin-right: 6px; }
.note { font-size: 13px; color: var(--nga-mo); margin: 10px 0 0; }
.note b { color: var(--vang); font-weight: 600; }

.file {
  display: flex; align-items: center; justify-content: center; text-align: center; flex-direction: column;
  border: 1px dashed var(--nga-vien); border-radius: 12px; padding: 22px 12px; cursor: pointer; color: var(--nga-mo);
}
.file b { color: var(--nga); }
.file input { display: none; }

/* ---- lớp phủ bị thu hồi ---- */
.overlay {
  position: fixed; inset: 0; background: var(--den); display: none; place-items: center; z-index: 50; padding: 24px;
}
.overlay.show { display: grid; }
.overlay .box { max-width: 380px; text-align: center; }
.overlay h2 { color: var(--vang); letter-spacing: .14em; text-transform: uppercase; font-size: 16px; }

/* ---- admin ---- */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px; }
.stat { background: var(--den-2); border: 1px solid var(--nga-vien); border-radius: 12px; padding: 12px; text-align: center; }
.stat b { display: block; font-size: 22px; font-weight: 800; }
.stat span { font-size: 11px; color: var(--nga-mo); letter-spacing: .1em; text-transform: uppercase; }
.row2 { display: grid; grid-template-columns: 1fr; gap: 10px; }
.search { margin-bottom: 12px; }

.lic { background: var(--den-2); border: 1px solid var(--nga-vien); border-radius: 12px; padding: 14px; margin-bottom: 10px; }
.lic.locked { border-color: rgba(122,31,43,.9); background: #1a1112; }
.lic .top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.lic .name { font-weight: 700; }
.lic .noteline { color: var(--nga-mo); font-size: 13px; }
.lic .code { font-family: ui-monospace, Menlo, Consolas, monospace; letter-spacing: .08em; font-size: 15px; margin: 8px 0 6px; color: var(--vang); word-break: break-all; }
.lic .meta { font-size: 12px; color: var(--nga-mo); }
.lic .acts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.badge { font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; padding: 3px 8px; border-radius: 999px; white-space: nowrap; }
.badge.on { background: rgba(127,183,126,.14); color: var(--xanh-ok); }
.badge.off { background: var(--vang-ruou); color: var(--nga); }
.badge.wait { background: rgba(212,175,55,.12); color: var(--vang); }
.empty { text-align: center; color: var(--nga-mo); padding: 20px 0; font-family: var(--chu-mem); font-style: italic; }
.hidden { display: none !important; }

@media (min-width: 720px) {
  .wrap.wide { max-width: 760px; }
  .row2 { grid-template-columns: 1fr 1fr; }
}