:root {
  --bg: #eef3f1;
  --paper: rgba(255, 255, 255, 0.9);
  --paper-strong: #ffffff;
  --ink: #152127;
  --muted: #5f6e76;
  --accent: #1e6f5c;
  --accent-strong: #164c40;
  --accent-soft: #d6ebe5;
  --border: #d8e3e0;
  --good: #2f7d58;
  --bad: #ad3d3d;
  --shadow: 0 18px 42px rgba(34, 56, 64, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(87, 162, 143, 0.22) 0, transparent 24%),
    radial-gradient(circle at bottom right, rgba(37, 99, 235, 0.12) 0, transparent 26%),
    linear-gradient(180deg, #f6faf9 0%, var(--bg) 100%);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.45;
}

.topbar, .toolbar, .overview, .cards, .backup-list, .detail-layout {
  width: min(1200px, calc(100% - 32px));
  margin: 20px auto;
}

.topbar, .toolbar, .card, .panel, .backup-list, .login-card, .sidebar {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.topbar, .toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
}

.toolbar { flex-wrap: wrap; }
.topbar h1, .card h2, .panel h3, .backup-list h2, .toolbar h2 {
  margin: 0;
  letter-spacing: -0.03em;
}

.topbar p, .card p, .overview-card small {
  margin: 6px 0 0;
  color: var(--muted);
}

.status-line {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.status-running {
  background: #e6f6ed;
  color: var(--good);
}

.status-stopped {
  background: #fdeaea;
  color: var(--bad);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.7);
}

.overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.overview-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.92) 0%, rgba(241,248,246,0.92) 100%);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
}

.overview-card span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.overview-card strong {
  display: block;
  margin-top: 10px;
  font-size: 24px;
  line-height: 1.1;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}

.card, .panel, .backup-list, .sidebar, .login-card { padding: 20px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }

button, .button, input, textarea {
  font: inherit;
}

button, .button {
  border: 0;
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

button:hover, .button:hover {
  background: var(--accent-strong);
  transform: translateY(-1px);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

button.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
button.danger { background: var(--bad); }

.alert {
  width: min(1200px, calc(100% - 32px));
  margin: 16px auto;
  padding: 14px 18px;
  border-radius: 14px;
}
.alert.success { background: #e5f5ea; color: var(--good); }
.alert.error { background: #fde9e9; color: var(--bad); }

.backup-list table { width: 100%; border-collapse: collapse; }
.backup-list th, .backup-list td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

.backup-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.detail-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
}

.content-pane {
  display: grid;
  gap: 16px;
}

.tree {
  list-style: none;
  padding: 0;
  margin: 0;
}
.tree li { margin: 8px 0; }
.tree-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tree a {
  display: block;
  flex: 1;
  color: var(--ink);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 10px;
}

.tree a:hover {
  background: var(--accent-soft);
}

.hint-badge {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  border: 1px solid rgba(30, 111, 92, 0.25);
  background: rgba(214, 235, 229, 0.7);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  cursor: help;
  user-select: none;
}

.hint-badge:hover,
.hint-badge:focus-visible {
  background: var(--accent);
  color: white;
  outline: none;
}

.settings-grid {
  display: grid;
  gap: 12px;
}

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

input, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  background: var(--paper-strong);
  color: var(--ink);
}

textarea {
  min-height: 340px;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 13px;
  line-height: 1.55;
}

pre {
  background: #152127;
  color: #e7f7f2;
  padding: 16px;
  border-radius: 14px;
  overflow: auto;
  white-space: pre-wrap;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.login-card {
  width: min(420px, calc(100% - 32px));
  display: grid;
  gap: 14px;
}

.loading-indicator {
  position: sticky;
  top: 12px;
  z-index: 20;
  width: min(420px, calc(100% - 32px));
  margin: 14px auto 0;
  padding: 12px 16px;
  border-radius: 999px;
  background: rgba(21, 33, 39, 0.92);
  color: white;
  text-align: center;
  box-shadow: var(--shadow);
}

@media (max-width: 900px) {
  .detail-layout {
    grid-template-columns: 1fr;
  }
}