:root {
  --bg: #071912;
  --sidebar: #0c241a;
  --panel: rgba(14, 42, 30, 0.92);
  --line: rgba(255, 255, 255, 0.1);
  --text: #f2fff8;
  --muted: rgba(242, 255, 248, 0.58);
  --gold: #ffe08a;
  --gold-2: #d9a83a;
  --danger: #ff9a9a;
  --ok: #8dffc0;
  --warn: #ffcf7a;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 420px at 10% -10%, rgba(61, 140, 100, 0.35), transparent 60%),
    radial-gradient(700px 360px at 100% 0%, rgba(217, 168, 58, 0.12), transparent 50%),
    var(--bg);
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.warn { color: var(--warn) !important; }

/* Login */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(100%, 400px);
  padding: 28px 24px;
  border-radius: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
.login-brand {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(255, 224, 138, 0.12);
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
}
.login-card h1 {
  margin: 12px 0 6px;
  font-size: 24px;
}
.login-desc, .login-tip {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.login-tip { margin-top: 14px; margin-bottom: 0; font-size: 12px; }

/* App shell */
.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 220px 1fr;
}
.sidebar {
  background: rgba(12, 36, 26, 0.96);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 18px 12px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar-brand {
  padding: 8px 10px 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}
.sidebar-brand strong {
  display: block;
  font-size: 18px;
  color: var(--gold);
}
.sidebar-brand span {
  font-size: 12px;
  color: var(--muted);
}
.nav { display: grid; gap: 6px; flex: 1; align-content: start; }
.nav-item {
  text-align: left;
  border: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.78);
  padding: 11px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
}
.nav-item:hover { background: rgba(255, 255, 255, 0.06); }
.nav-item.active {
  background: rgba(255, 224, 138, 0.14);
  color: var(--gold);
  font-weight: 700;
}
.sidebar-foot {
  border-top: 1px solid var(--line);
  padding-top: 12px;
  display: grid;
  gap: 8px;
}
.admin-name { font-size: 13px; color: var(--muted); padding: 0 4px; }

.main { min-width: 0; padding: 18px 20px 28px; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.topbar h2 { margin: 0; font-size: 20px; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}
.stat-card {
  padding: 16px;
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
}
.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 8px;
}
.stat-card strong {
  font-size: 28px;
  color: var(--gold);
}

.panel {
  padding: 16px;
  border-radius: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
}
.panel h3 { margin: 0 0 12px; font-size: 15px; }
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.panel-head h3 { margin: 0; }

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--muted);
}
.field.checkbox {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px;
  color: var(--text);
}
.field input, .field textarea, .field select,
input, textarea, select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
}
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; margin-top: 8px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.btn-primary, .btn-ghost, .btn-danger, .btn-sm {
  border: 0;
  border-radius: 10px;
  padding: 9px 14px;
  font: inherit;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(180deg, #ffe79a, var(--gold-2));
  color: #173628;
  font-weight: 700;
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.btn-danger {
  background: #7a2b2b;
  color: #fff;
}
.btn-block { width: 100%; }
.btn-sm { padding: 7px 10px; font-size: 12px; }

.table-wrap { overflow: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
th { color: var(--gold); font-weight: 600; white-space: nowrap; }
td .actions { display: flex; gap: 6px; flex-wrap: wrap; }

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(255, 224, 138, 0.12);
  color: var(--gold);
  margin-right: 4px;
}
.pill.ok { background: rgba(141, 255, 192, 0.12); color: var(--ok); }
.pill.warn { background: rgba(255, 154, 154, 0.14); color: var(--danger); }

.msg { min-height: 18px; font-size: 13px; margin-top: 8px; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--ok); }

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(0, 0, 0, 0.55);
}
.modal-card {
  width: min(100%, 480px);
  max-height: 90vh;
  overflow: auto;
  padding: 18px;
  border-radius: 16px;
  background: #102a1f;
  border: 1px solid var(--line);
}
.modal-card h3 { margin: 0 0 12px; }
.ticket-content {
  padding: 12px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--line);
  margin-bottom: 12px;
  white-space: pre-wrap;
  line-height: 1.5;
  font-size: 13px;
}

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .nav { grid-template-columns: repeat(3, 1fr); }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .grid2 { grid-template-columns: 1fr; }
}