:root {
  --bg-a: #040b14;
  --bg-b: #071a2f;
  --bg-c: #0f2b45;
  --glass: rgba(13, 28, 45, 0.68);
  --line: rgba(138, 182, 255, 0.25);
  --text: #e9f3ff;
  --muted: #91aac8;
  --cyan: #29d3ff;
  --blue: #5f8cff;
  --green: #20d38a;
  --orange: #ffb347;
  --red: #ff6d7a;
  --gray: #8fa3b8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--text);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 10% 20%, #12385a 0%, transparent 35%),
    radial-gradient(circle at 90% 0%, #1f2558 0%, transparent 30%),
    linear-gradient(160deg, var(--bg-a), var(--bg-b) 45%, var(--bg-c));
  min-height: 100vh;
}

.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(80, 127, 183, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(80, 127, 183, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 100%);
}

.wrap {
  max-width: 1300px;
  margin: 0 auto;
  padding: 20px 16px 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.title {
  margin: 0;
  letter-spacing: 1px;
  font-size: 30px;
  text-shadow: 0 0 16px rgba(41, 211, 255, 0.4);
}

.sub { color: var(--muted); margin-top: 5px; font-size: 13px; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
  border: 1px solid rgba(115, 180, 255, 0.5);
  border-radius: 10px;
  color: var(--text);
  padding: 9px 14px;
  text-decoration: none;
  font-size: 13px;
  background: linear-gradient(145deg, rgba(56, 112, 192, 0.6), rgba(37, 53, 133, 0.6));
  cursor: pointer;
}

.btn:hover { box-shadow: 0 0 16px rgba(41, 211, 255, 0.35); }

.btn:hover,
.btn:focus,
.btn:active {
  color: var(--text);
}

.btn.warn {
  border-color: rgba(255, 179, 71, 0.6);
  background: linear-gradient(145deg, rgba(155, 102, 34, 0.5), rgba(138, 68, 45, 0.5));
}

.panel {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(8px);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.card {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(14, 38, 64, 0.8), rgba(11, 25, 41, 0.8));
}

.card h3 { margin: 0; color: #abd0f7; font-size: 13px; font-weight: 500; }

.metric { margin-top: 6px; font-size: 27px; font-weight: 700; }

.v-cyan { color: var(--cyan); }
.v-green { color: var(--green); }
.v-orange { color: var(--orange); }
.v-red { color: var(--red); }

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.filters { display: flex; gap: 8px; flex-wrap: wrap; }

.chip {
  border: 1px solid rgba(145, 170, 200, 0.5);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
  user-select: none;
  color: #cce4ff;
}

.chip.active {
  border-color: rgba(41, 211, 255, 0.8);
  box-shadow: 0 0 12px rgba(41, 211, 255, 0.4);
  color: #fff;
}

.status-msg { color: var(--muted); font-size: 12px; }

.table-wrap { overflow: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1100px;
}

th,
td {
  border-bottom: 1px solid rgba(138, 182, 255, 0.2);
  padding: 9px;
  font-size: 12px;
  text-align: left;
}

th {
  color: #b9d9ff;
  background: rgba(23, 49, 78, 0.55);
  position: sticky;
  top: 0;
}

.table-hover > tbody > tr:hover > * {
  color: #e9f3ff !important;
  background-color: rgba(41, 211, 255, 0.08) !important;
}

.table > :not(caption) > * > * {
  color: inherit;
}

.table-dark-tech,
.table-dark-tech td,
.table-dark-tech th,
.table-dark-tech tbody,
.table-dark-tech tr {
  color: #d8ebff;
}

a,
a:hover,
a:focus {
  color: #dff0ff;
}

button,
button:hover,
button:focus {
  color: inherit;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 2px 8px;
  color: #fff;
  font-size: 11px;
}

.status-online { background: rgba(32, 211, 138, 0.85); }
.status-offline { background: rgba(255, 109, 122, 0.88); }
.status-disabled { background: rgba(143, 163, 184, 0.82); }

.mono { font-family: Consolas, "Courier New", monospace; }

.forms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 12px;
}

.form-panel { padding: 12px; }

.form-panel h2 { margin: 0 0 10px; font-size: 16px; }

.grid { display: grid; gap: 8px; }

.grid.two { grid-template-columns: 1fr 1fr; }

label { color: #9cb8d8; font-size: 12px; }

input,
select,
textarea {
  width: 100%;
  border-radius: 8px;
  border: 1px solid rgba(140, 181, 237, 0.35);
  color: #dff0ff;
  background: rgba(8, 24, 40, 0.9);
  padding: 8px;
}

textarea {
  min-height: 90px;
  resize: vertical;
}

.result {
  margin-top: 10px;
  min-height: 72px;
  border-radius: 8px;
  border: 1px solid rgba(140, 181, 237, 0.28);
  background: rgba(6, 19, 32, 0.9);
  padding: 8px;
  color: #bbe4ff;
  font-size: 12px;
  white-space: pre-wrap;
}

.feedback {
  margin-top: 10px;
  border-radius: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(140, 181, 237, 0.28);
  background: rgba(6, 19, 32, 0.9);
  color: #d5ecff;
  font-size: 13px;
}

.feedback.success {
  border-color: rgba(32, 211, 138, 0.45);
  box-shadow: 0 0 12px rgba(32, 211, 138, 0.12);
}

.feedback.error {
  border-color: rgba(255, 109, 122, 0.45);
  box-shadow: 0 0 12px rgba(255, 109, 122, 0.12);
}

.feedback.info {
  border-color: rgba(41, 211, 255, 0.45);
}

.muted-box {
  border-radius: 8px;
  border: 1px dashed rgba(140, 181, 237, 0.28);
  padding: 8px 10px;
  color: #95b6d8;
  font-size: 12px;
  background: rgba(7, 19, 32, 0.55);
}

.field-note {
  color: #89aacc;
  font-size: 12px;
  margin-top: 4px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.stat-box {
  border-radius: 10px;
  border: 1px solid rgba(140, 181, 237, 0.2);
  background: rgba(9, 23, 38, 0.7);
  padding: 10px;
}

.stat-box .label {
  font-size: 12px;
  color: #8fb0d4;
}

.stat-box .value {
  margin-top: 4px;
  font-size: 16px;
  color: #e4f3ff;
  word-break: break-word;
}

.hint { font-size: 12px; color: #8fb0d4; }

.empty-state {
  border: 1px dashed rgba(138, 182, 255, 0.24);
  border-radius: 12px;
  padding: 22px 16px;
  color: #93b6d8;
  text-align: center;
  background: rgba(7, 19, 32, 0.45);
}

.empty-state.compact {
  padding: 14px 10px;
  border-radius: 8px;
}

.skeleton-card,
.skeleton-row,
.skeleton-chart {
  position: relative;
  overflow: hidden;
  background: rgba(17, 37, 58, 0.7);
  border: 1px solid rgba(138, 182, 255, 0.12);
}

.skeleton-card::after,
.skeleton-row::after,
.skeleton-chart::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
  animation: skeleton-shimmer 1.4s infinite;
}

.skeleton-card {
  height: 104px;
  border-radius: 12px;
}

.skeleton-row {
  height: 48px;
  border-radius: 10px;
  margin-bottom: 8px;
}

.skeleton-chart {
  height: 300px;
  border-radius: 14px;
}

@keyframes skeleton-shimmer {
  100% {
    transform: translateX(100%);
  }
}

@media (max-width: 860px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .grid.two { grid-template-columns: 1fr; }
}