:root {
  --bg: #0a1220;
  --card: #111d31;
  --card-2: #15233a;
  --line: rgba(181, 210, 255, 0.16);
  --text: #edf4ff;
  --muted: #9eb2d3;
  --accent: #57d1a8;
  --danger: #ff7a7a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(67, 137, 247, 0.2), transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(41, 95, 173, 0.18), transparent 42%),
    var(--bg);
  font-family: "Segoe UI", Tahoma, sans-serif;
}

.admin-root {
  width: min(1100px, 100% - 24px);
  margin: 24px auto;
  display: grid;
  gap: 14px;
}

.auth-card,
.card,
.panel {
  background: linear-gradient(180deg, rgba(20, 33, 56, 0.92), rgba(13, 22, 38, 0.96));
  border: 1px solid var(--line);
  border-radius: 16px;
}

.auth-card,
.card {
  padding: 16px;
}

.panel {
  padding: 10px;
  display: grid;
  gap: 10px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px;
}

.topbar h1,
.card h2,
.auth-card h1 {
  margin: 0;
}

.topbar p,
.auth-card p {
  margin: 4px 0 0;
  color: var(--muted);
}

.tabs {
  display: flex;
  gap: 8px;
  padding: 0 8px;
  flex-wrap: wrap;
}

.tab,
button {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card-2);
  color: var(--text);
  min-height: 40px;
  padding: 0 14px;
  cursor: pointer;
}

.tab.is-active {
  background: linear-gradient(180deg, rgba(94, 219, 176, 0.94), rgba(37, 167, 123, 0.94));
  color: #07140e;
  border-color: rgba(129, 248, 209, 0.45);
}

.ghost {
  background: transparent;
}

.tab-panel {
  display: none;
  gap: 10px;
  padding: 8px;
}

.tab-panel.is-active {
  display: grid;
}

.form-grid {
  display: grid;
  gap: 10px;
}

.settings-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
}

input {
  min-height: 40px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(5, 11, 20, 0.85);
  color: var(--text);
  padding: 0 10px;
}

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

.list-item {
  border: 1px solid var(--line);
  background: rgba(5, 11, 20, 0.65);
  border-radius: 10px;
  padding: 10px;
  display: grid;
  gap: 6px;
}

.row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

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

.status {
  min-height: 20px;
  color: var(--muted);
  font-size: 13px;
}

.status.error {
  color: var(--danger);
}

.status.ok {
  color: var(--accent);
}

@media (max-width: 760px) {
  .settings-grid {
    grid-template-columns: 1fr;
  }
}