:root {
  --bg: #0f0a1e;
  --bg2: #1a1033;
  --panel: #1a1033;
  --panel2: #211540;
  --line: rgba(167, 139, 250, .16);
  --line2: rgba(167, 139, 250, .28);
  --text: #f5f3ff;
  --muted: #a99ac9;
  --dim: #776a99;
  --accent: #a78bfa;
  --accent2: #7c4dff;
  --pink: #e879f9;
  --ok: #6ee7b7;
  --warn: #fcd34d;
  --err: #fda4af;
  --r: 14px;
  --sidebar: 232px;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: radial-gradient(1100px 720px at 12% -12%, #2b1a55 0, #1a1033 42%, var(--bg) 74%);
  color: var(--text);
  font: 13px/1.6 "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.dim { color: var(--dim); }
.mono { font-family: ui-monospace, Consolas, monospace; }
a { color: var(--accent); text-decoration: none; }

/* login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: min(420px, 100%);
  background: linear-gradient(160deg, rgba(33, 21, 64, .96), rgba(20, 12, 40, .96));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 30px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .45), inset 0 1px rgba(255, 255, 255, .05);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 48px; height: 48px; border-radius: 15px;
  background: linear-gradient(140deg, var(--accent2), var(--pink));
  display: grid; place-items: center;
  font-size: 24px; font-weight: 800; color: #fff;
  box-shadow: 0 10px 30px rgba(124, 77, 255, .35);
}
.brand h1 { margin: 0; font-size: 21px; letter-spacing: .5px; }
.brand p { margin: 2px 0 0; color: var(--muted); font-size: 11px; }
.login-card h2 { margin: 26px 0 4px; font-size: 17px; }
.login-sub { color: var(--muted); font-size: 11px; margin: 0 0 18px; }
.field { margin-bottom: 12px; }
.field label { display: block; color: var(--muted); font-size: 11px; margin-bottom: 5px; }
input, select, textarea {
  width: 100%; background: #150d2b; border: 1px solid var(--line);
  border-radius: 9px; padding: 9px 11px; outline: none; transition: .15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(167, 139, 250, .1); }
textarea { resize: vertical; min-height: 64px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--line); background: rgba(255, 255, 255, .035);
  border-radius: 9px; padding: 8px 13px; color: var(--text); font-weight: 650;
}
.btn:hover { border-color: var(--line2); background: rgba(255, 255, 255, .06); }
.btn.primary { background: linear-gradient(135deg, var(--accent2), var(--accent)); border: 0; color: #fff; box-shadow: 0 6px 18px rgba(124, 77, 255, .25); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--err); background: rgba(251, 113, 133, .08); border-color: rgba(251, 113, 133, .24); }
.btn.sm { padding: 5px 8px; font-size: 11px; border-radius: 7px; }
.btn.block { width: 100%; }

/* shell */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar); flex: 0 0 var(--sidebar); position: sticky; top: 0; height: 100vh;
  padding: 18px 14px; background: rgba(15, 9, 30, .72); border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 16px; backdrop-filter: blur(12px);
}
.side-brand { padding: 4px 6px 8px; }
.side-brand .brand-mark { width: 38px; height: 38px; border-radius: 12px; font-size: 19px; }
.side-brand h1 { font-size: 16px; }
.side-brand p { font-size: 10px; }
.product-box { padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: rgba(255, 255, 255, .025); }
.product-box label { color: var(--muted); font-size: 10px; display: block; margin-bottom: 5px; }
.product-box select { font-size: 12px; padding: 7px 8px; }
.nav { display: flex; flex-direction: column; gap: 3px; overflow: auto; }
.nav button {
  text-align: left; border: 0; background: transparent; color: var(--muted);
  border-radius: 9px; padding: 9px 11px; font-weight: 600;
}
.nav button:hover { color: #fff; background: rgba(255, 255, 255, .04); }
.nav button.active { color: #fff; background: linear-gradient(90deg, rgba(124, 77, 255, .28), rgba(232, 121, 249, .08)); border-left: 2px solid var(--accent); }
.side-foot { margin-top: auto; color: var(--dim); font-size: 10px; padding: 8px 6px; }
.main { flex: 1; min-width: 0; padding: 20px 24px 50px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.topbar h2 { margin: 0; font-size: 20px; }
.topbar p { margin: 3px 0 0; color: var(--muted); font-size: 11px; }
.top-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.user-chip { color: var(--muted); font-size: 11px; padding: 6px 9px; border: 1px solid var(--line); border-radius: 999px; }

/* content */
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.card {
  background: linear-gradient(160deg, var(--panel), var(--panel2));
  border: 1px solid var(--line); border-radius: var(--r); padding: 14px 15px;
  position: relative; overflow: hidden;
}
.card::after { content: ""; position: absolute; right: -30px; top: -40px; width: 90px; height: 90px; background: radial-gradient(circle, rgba(167, 139, 250, .16), transparent 70%); }
.card small { color: var(--muted); font-size: 11px; }
.card b { display: block; font-size: 24px; margin-top: 4px; letter-spacing: .3px; }
.card em { display: block; color: var(--dim); font-size: 10px; font-style: normal; margin-top: 2px; }
.panel { background: linear-gradient(160deg, var(--panel), #150d2b); border: 1px solid var(--line); border-radius: 16px; padding: 16px; margin-bottom: 14px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.panel-head h3 { margin: 0; font-size: 14px; }
.panel-head p { margin: 2px 0 0; color: var(--muted); font-size: 11px; }
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.toolbar input, .toolbar select { width: auto; min-width: 150px; }
.toolbar .grow { flex: 1; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.form-grid .full { grid-column: 1 / -1; }
.hint { color: var(--dim); font-size: 10px; }
.table-wrap { overflow: auto; border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid rgba(167, 139, 250, .09); vertical-align: top; }
th { color: var(--muted); font-weight: 650; white-space: nowrap; background: rgba(255, 255, 255, .018); }
tr:hover td { background: rgba(255, 255, 255, .018); }
.badge { display: inline-flex; padding: 2px 8px; border-radius: 999px; font-size: 10px; font-weight: 700; white-space: nowrap; }
.b-active { color: var(--ok); background: rgba(52, 211, 153, .1); }
.b-unused { color: #93c5fd; background: rgba(96, 165, 250, .1); }
.b-expired { color: var(--warn); background: rgba(251, 191, 36, .1); }
.b-revoked { color: var(--err); background: rgba(251, 113, 133, .1); }
.b-paused { color: var(--warn); background: rgba(251, 191, 36, .1); }
.b-archived { color: var(--dim); background: rgba(255, 255, 255, .04); }
.code { font-family: ui-monospace, Consolas, monospace; }
.empty { color: var(--dim); text-align: center; padding: 28px 10px; }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 6px 10px; font-size: 12px; }
.kv span { color: var(--muted); }
.license-keys { display: flex; flex-direction: column; gap: 5px; max-height: 240px; overflow: auto; margin-top: 10px; }
.license-key { display: flex; justify-content: space-between; gap: 10px; align-items: center; background: #0b0717; border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; }
.license-key .mono { font-size: 12px; }
.notice { border: 1px solid rgba(251, 191, 36, .25); background: rgba(251, 191, 36, .07); color: #fde68a; border-radius: 10px; padding: 9px 12px; font-size: 11px; margin-bottom: 12px; }

/* modal */
.modal { position: fixed; inset: 0; background: rgba(4, 2, 10, .66); backdrop-filter: blur(5px); display: none; align-items: center; justify-content: center; padding: 22px; z-index: 80; }
.modal.open { display: flex; }
.modal-card { width: min(720px, 100%); max-height: 90vh; overflow: auto; background: linear-gradient(160deg, #211540, #150d2b); border: 1px solid var(--line2); border-radius: 18px; box-shadow: 0 30px 90px rgba(0, 0, 0, .55); }
.modal-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; padding: 18px 20px 10px; }
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-head p { margin: 3px 0 0; color: var(--muted); font-size: 11px; }
.modal-close { border: 1px solid var(--line); background: transparent; border-radius: 8px; width: 28px; height: 28px; color: var(--muted); }
.modal-body { padding: 4px 20px 16px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px 18px; border-top: 1px solid var(--line); }
.toast { position: fixed; right: 22px; bottom: 22px; background: #241746; border: 1px solid var(--line2); border-radius: 10px; padding: 10px 14px; opacity: 0; transform: translateY(8px); transition: .2s; max-width: 420px; z-index: 100; }
.toast.show { opacity: 1; transform: none; }
.toast.err { border-color: rgba(251, 113, 133, .35); color: var(--err); }
.toast.ok { border-color: rgba(52, 211, 153, .3); color: var(--ok); }

@media (max-width: 1050px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid2 { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .shell { display: block; }
  .sidebar { position: static; width: 100%; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .side-brand { flex: 1; }
  .product-box { flex: 1 1 180px; }
  .nav { flex-direction: row; flex-wrap: wrap; width: 100%; }
  .side-foot { display: none; }
  .main { padding: 16px 12px 40px; }
  .form-grid { grid-template-columns: 1fr; }
}