:root {
  --bg: #0c1118;
  --panel: #141c26;
  --panel-2: #1c2734;
  --text: #eef3f8;
  --muted: #8fa0b3;
  --accent: #3aa0e8;
  --accent-2: #2580c7;
  --good: #3dcb8c;
  --bad: #ef6b74;
  --warn: #e2b75a;
  --line: #2a3646;
  --radius: 14px;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1000px 520px at 8% -8%, #16324a 0%, transparent 55%),
    radial-gradient(800px 480px at 100% 0%, #14281f 0%, transparent 50%),
    var(--bg);
  color: var(--text);
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: var(--bad); min-height: 1.2em; margin: 8px 0 0; }

.auth-panel {
  max-width: 420px;
  margin: 12vh auto;
  padding: 32px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
}
.auth-panel h1 { margin: 0 0 6px; font-size: 24px; letter-spacing: .02em; }
.tabs { display: flex; gap: 8px; margin: 18px 0 14px; }
.tab {
  flex: 1;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
}
.tab.active { color: var(--text); border-color: var(--accent); }

label {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--muted);
}
input, select, textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #0f151d;
  color: var(--text);
  font: inherit;
}
textarea { resize: vertical; }
.check {
  display: flex;
  align-items: center;
  gap: 8px;
}
.check input { width: auto; margin: 0; }

.btn {
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  transition: filter .15s ease, border-color .15s ease;
}
.btn:hover { filter: brightness(1.1); }
.btn.primary { background: var(--accent-2); border-color: var(--accent); }
.btn.danger { background: #3a1a22; border-color: var(--bad); }
.btn.good { background: #163528; border-color: var(--good); }
.btn.sm { padding: 7px 12px; font-size: 12px; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(20, 28, 38, 0.92);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; flex-direction: column; gap: 4px; }
.brand strong { font-size: 18px; letter-spacing: .04em; }
.market { font-size: 13px; color: var(--muted); }
.top-actions { display: flex; align-items: center; gap: 12px; }

.nav {
  display: flex;
  gap: 8px;
  padding: 14px 28px 0;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.nav-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 8px 14px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font: inherit;
}
.nav-btn.active { color: var(--text); border-bottom-color: var(--accent); }

main {
  padding: 20px 28px 48px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}
.row-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.row-between h2 { margin: 0; font-size: 20px; font-weight: 600; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(520px, 1fr));
  gap: 20px;
}
.card {
  background: linear-gradient(165deg, #182230 0%, var(--panel) 45%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: 0 10px 30px rgba(0,0,0,.22);
}
.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.card h3 {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .01em;
}
.card-sub {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.kv {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 8px 14px;
  font-size: 13px;
  line-height: 1.55;
  margin: 0;
}
.kv dt {
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}
.kv dd {
  margin: 0;
  color: var(--text);
  word-break: break-word;
}
.kv dd strong { font-weight: 650; }
.kv-section {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.kv-section-title {
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--line);
  white-space: nowrap;
}
.badge.on {
  color: var(--good);
  border-color: rgba(61, 203, 140, .45);
  background: rgba(61, 203, 140, .1);
}
.badge.off {
  color: var(--muted);
  background: rgba(143, 160, 179, .08);
}
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; background: var(--panel-2); }
.status-success { color: var(--good); }
.status-failed { color: var(--bad); }
.status-pending { color: var(--warn); }

dialog {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  color: var(--text);
  padding: 0;
  width: min(520px, calc(100vw - 24px));
}
dialog::backdrop { background: rgba(0,0,0,.55); }
.dlg-form { padding: 22px; }
.dlg-form h3 { margin: 0 0 14px; }
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.dlg-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr; }
  main, .nav, .topbar { padding-left: 16px; padding-right: 16px; }
}
@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 84px 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .card { padding: 18px; }
}