:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --panel-2: #243041;
  --line: #334155;
  --text: #e8eef6;
  --muted: #93a4b8;
  --accent: #3d9c84;
  --accent-2: #2f7d6a;
  --warn: #d4a017;
  --danger: #c75b5b;
  --ok: #4caf82;
  --radius: 12px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(61,156,132,.22), transparent 55%),
    radial-gradient(900px 420px at 90% 0%, rgba(70,110,180,.18), transparent 50%),
    var(--bg);
}

a { color: var(--accent); text-decoration: none; }
button, input, select, textarea {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: .55rem .7rem;
}
button { cursor: pointer; }
button.primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}
button.ghost { background: transparent; }
button.danger { background: #6b3030; border-color: #8a4040; }
button:disabled { opacity: .55; cursor: not-allowed; }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}
.login-card {
  width: min(420px, 100%);
  background: rgba(26,34,44,.92);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.6rem 1.5rem 1.4rem;
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.login-card h1 { margin: .2rem 0 .35rem; font-size: 1.55rem; }
.login-card .brand {
  color: var(--accent);
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .78rem;
  font-weight: 700;
}
.login-card p { color: var(--muted); margin: 0 0 1.1rem; }
.login-card label { display: grid; gap: .35rem; margin-bottom: .8rem; font-size: .92rem; }
.login-card .actions { display: flex; gap: .6rem; margin-top: .4rem; }
.login-card .actions button { flex: 1; }

.shell { max-width: 1280px; margin: 0 auto; padding: 1rem 1.1rem 2.5rem; }
.topbar {
  display: flex; flex-wrap: wrap; gap: .8rem; align-items: center;
  justify-content: space-between; margin-bottom: 1rem;
}
.topbar h1 { margin: 0; font-size: 1.35rem; }
.topbar .who { color: var(--muted); font-size: .92rem; }
.topbar .who strong { color: var(--text); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: .75rem;
  margin-bottom: 1rem;
}
.card {
  background: rgba(26,34,44,.9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .9rem 1rem;
}
.card .label { color: var(--muted); font-size: .82rem; }
.card .value { font-size: 1.35rem; font-weight: 700; margin-top: .25rem; }
.card .value.ok { color: var(--ok); }
.card .value.warn { color: var(--warn); }

.panel {
  background: rgba(26,34,44,.9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}
.panel h2 { margin: 0 0 .8rem; font-size: 1.05rem; }
.grid-2 {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 1rem;
}
@media (max-width: 920px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .7rem;
}
.form-grid label { display: grid; gap: .3rem; font-size: .88rem; color: var(--muted); }
.form-grid label.full { grid-column: 1 / -1; }
@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
}

.row-actions { display: flex; flex-wrap: wrap; gap: .55rem; align-items: center; margin-top: .8rem; }
.hint { color: var(--muted); font-size: .85rem; margin: .2rem 0 .6rem; }
.msg {
  margin-top: .7rem;
  padding: .55rem .7rem;
  border-radius: 8px;
  font-size: .9rem;
  display: none;
}
.msg.show { display: block; }
.msg.ok { background: rgba(76,175,130,.15); color: #9ee0bf; }
.msg.err { background: rgba(199,91,91,.15); color: #f0b0b0; }

.toolbar {
  display: flex; flex-wrap: wrap; gap: .55rem; align-items: center;
  justify-content: space-between; margin-bottom: .7rem;
}
.toolbar input[type="search"] { min-width: min(280px, 100%); }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; min-width: 920px; }
th, td {
  padding: .55rem .6rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: .86rem;
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; background: rgba(0,0,0,.18); position: sticky; top: 0; }
tr:hover td { background: rgba(255,255,255,.02); }
.tag {
  display: inline-block;
  padding: .15rem .45rem;
  border-radius: 999px;
  font-size: .75rem;
  border: 1px solid var(--line);
}
.tag.s0 { color: var(--muted); }
.tag.s1 { color: #8ec8ff; border-color: #3d6f99; }
.tag.s2 { color: #f0c36d; border-color: #8a6a2a; }
.tag.s3 { color: #9ee0bf; border-color: #3d7a5c; }
.mono { font-family: Consolas, "Courier New", monospace; font-size: .8rem; }
.linkish { word-break: break-all; color: #9ec5ff; }
.assigned {
  display: flex; flex-wrap: wrap; gap: .4rem; margin: .4rem 0 .8rem;
}
.chip {
  background: var(--panel-2);
  border: 1px dashed var(--line);
  border-radius: 999px;
  padding: .2rem .55rem;
  font-size: .78rem;
  cursor: pointer;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.active {
  border-style: solid;
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(61,156,132,.14);
}
.archive-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: .55rem 0 .75rem;
}
.field-with-action {
  display: flex;
  gap: .4rem;
  align-items: stretch;
}
.field-with-action input { flex: 1; min-width: 0; }
.field-with-action .btn-replace { white-space: nowrap; }
button.tiny {
  padding: .2rem .45rem;
  font-size: .72rem;
  margin-top: .25rem;
}
.copy-wrap { display: grid; gap: .2rem; }
.claim-no {
  display: inline-block;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
  margin-right: .35rem;
  font-variant-numeric: tabular-nums;
}
.pack-notes {
  margin-top: .45rem;
  white-space: pre-wrap;
  color: var(--warn);
}
.users-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .6rem;
}
.user-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .7rem .8rem;
  background: rgba(0,0,0,.12);
}
.user-card .name { font-weight: 600; }
.user-card .meta { color: var(--muted); font-size: .82rem; margin: .2rem 0 .5rem; }

.copy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .45rem;
  margin: .35rem 0 .2rem;
}
.copy-item {
  display: grid;
  gap: .2rem;
  padding: .45rem .55rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0,0,0,.14);
  cursor: pointer;
  text-align: left;
  transition: border-color .15s, background .15s;
}
.copy-item:hover { border-color: var(--accent); background: rgba(61,156,132,.12); }
.copy-item .clabel { color: var(--muted); font-size: .72rem; }
.copy-item .cval {
  font-family: Consolas, "Courier New", monospace;
  font-size: .8rem;
  word-break: break-all;
  line-height: 1.35;
}
.copy-item.copied { border-color: var(--ok); }
.pack-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .75rem .85rem;
  margin-bottom: .7rem;
  background: rgba(0,0,0,.1);
}
.pack-card .pack-head {
  display: flex; flex-wrap: wrap; gap: .5rem; align-items: center;
  justify-content: space-between; margin-bottom: .45rem;
}
.toast-copy {
  position: fixed; left: 50%; bottom: 1.4rem; transform: translateX(-50%);
  background: rgba(20,28,36,.95); border: 1px solid var(--accent);
  color: var(--text); padding: .55rem .9rem; border-radius: 999px;
  z-index: 50; font-size: .86rem; opacity: 0; pointer-events: none;
  transition: opacity .2s;
}
.toast-copy.show { opacity: 1; }