:root {
  --bg-0: #03060f;
  --bg-1: #0a1430;
  --cyan: #22e1ff;
  --text: #dbe8ff;
  --muted: #8aa1c9;
  --line: rgba(122, 244, 255, 0.16);
  --danger: #ff8a8a;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: linear-gradient(180deg, #03060f 0%, #050a1c 100%);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

a { color: var(--cyan); text-decoration: none; }
button, input, select { font: inherit; }

.admin-nav {
  border-bottom: 1px solid var(--line);
  background: rgba(3, 6, 15, 0.88);
  backdrop-filter: blur(12px);
}
.admin-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.admin-brand { white-space: nowrap; }
.admin-nav-title { font-weight: 700; letter-spacing: 0.5px; }
.admin-nav-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.admin-user { color: var(--muted); font-size: 13px; }

.admin-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}
.admin-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.admin-toolbar h1 { margin: 0 0 6px; font-size: 24px; }
.admin-sub { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }

.admin-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(10, 20, 48, 0.72);
  overflow: hidden;
}
.admin-table-wrap { overflow-x: auto; }
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.admin-table th,
.admin-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.admin-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.4px;
}
.admin-empty { text-align: center; color: var(--muted); padding: 28px !important; }
.module-tag {
  display: inline-block;
  margin: 0 6px 6px 0;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(34, 225, 255, 0.25);
  background: rgba(34, 225, 255, 0.08);
  font-size: 12px;
}
.status-pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
}
.status-pill.on { background: rgba(34, 225, 255, 0.15); color: #9ef7ff; }
.status-pill.off { background: rgba(255, 138, 138, 0.12); color: var(--danger); }

.row-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.row-actions button {
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.row-actions button:hover { border-color: rgba(34, 225, 255, 0.45); }
.row-actions button.danger {
  border-color: rgba(255, 138, 138, 0.35);
  color: var(--danger);
}
.row-actions button.danger:hover {
  border-color: rgba(255, 138, 138, 0.7);
  background: rgba(255, 138, 138, 0.08);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(122, 244, 255, 0.35);
  background: rgba(34, 225, 255, 0.06);
  color: #eaffff;
  cursor: pointer;
}
.btn.solid {
  border: none;
  background: linear-gradient(90deg, #22e1ff, #3a8cff);
  color: #001022;
  font-weight: 700;
}

.admin-modal-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(3, 6, 15, 0.72);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 100;
}
.admin-modal-overlay.open { opacity: 1; pointer-events: auto; }
.admin-modal {
  width: min(520px, calc(100vw - 32px));
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(10, 20, 48, 0.98), rgba(5, 10, 28, 0.98));
}
.admin-modal--sm { width: min(420px, calc(100vw - 32px)); }
.admin-modal h2 { margin: 0 0 16px; font-size: 18px; }
.field { margin-bottom: 14px; }
.field label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 12px; }
.field input,
.field select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(3, 6, 15, 0.65);
  color: var(--text);
}
.field-check {
  margin-bottom: 4px;
}
.field-check .check-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  user-select: none;
}
.field-check .check-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  padding: 0;
  flex-shrink: 0;
  accent-color: var(--cyan);
  cursor: pointer;
}
.form-error { min-height: 18px; margin: 4px 0 12px; color: var(--danger); font-size: 12px; }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
  padding-top: 4px;
}

@media (max-width: 720px) {
  .admin-toolbar { flex-direction: column; }
  .admin-nav-inner { flex-wrap: wrap; }
}