:root {
  --ink: #16202a;
  --muted: #667085;
  --line: #d8dee6;
  --panel: #ffffff;
  --bg: #f4f7f9;
  --brand: #176c72;
  --brand-dark: #0f4d52;
  --accent: #b88a2b;
  --danger: #b42318;
  --ok: #067647;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 246px;
  padding: 22px 16px;
  color: #fff;
  background: #14383c;
}

.sidebar strong {
  display: block;
  margin: 0 0 22px;
  font-size: 18px;
  letter-spacing: 0;
}

.sidebar nav {
  display: grid;
  gap: 4px;
}

.sidebar a {
  color: #eaf4f4;
  padding: 10px 12px;
  border-radius: 6px;
}

.sidebar a:hover {
  background: rgba(255,255,255,.12);
  text-decoration: none;
}

.app {
  margin-left: 246px;
  padding: 24px;
}

.topbar {
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin: -24px -24px 24px;
  padding: 12px 24px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.topbar form { flex: 1; }
.topbar input { width: min(520px, 100%); }

.hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 24px;
  margin-bottom: 18px;
  background: #eaf4f4;
  border: 1px solid #c9e1e1;
  border-radius: 8px;
}

h1, h2, h3 { margin: 0 0 12px; line-height: 1.2; }
p { color: var(--muted); line-height: 1.55; }

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.card, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 2px rgba(16,24,40,.04);
}

.card {
  min-height: 112px;
  display: grid;
  align-content: space-between;
  padding: 16px;
  color: var(--ink);
}

.card span { color: var(--muted); }
.card strong { font-size: 32px; }

.panel {
  padding: 18px;
  margin-bottom: 18px;
  overflow-x: auto;
}

.danger-panel { border-color: #fecdca; background: #fff6f5; }

.grid {
  display: grid;
  gap: 18px;
}

.grid.two { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); }

.split-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 0 0 18px;
}

.split-title span { color: var(--muted); }

.tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.tabs a {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

form { display: grid; gap: 12px; }
.inline-form { grid-template-columns: 1.4fr 1fr auto auto auto; align-items: end; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.stacked { margin-bottom: 18px; }

label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 700;
}

label.check {
  display: flex;
  align-items: center;
  gap: 8px;
}

input, select, textarea {
  width: 100%;
  min-height: 40px;
  padding: 9px 10px;
  border: 1px solid #c7d0dc;
  border-radius: 6px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

textarea { min-height: 96px; resize: vertical; }

button, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 14px;
  border: 0;
  border-radius: 6px;
  color: #fff;
  background: var(--brand);
  font-weight: 700;
  cursor: pointer;
}

.button.secondary, button.secondary { background: #475467; }
button.mini { min-height: 30px; padding: 5px 9px; font-size: 12px; }
button:hover, .button:hover { background: var(--brand-dark); text-decoration: none; }

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

th, td {
  padding: 10px 9px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  color: #344054;
  font-size: 12px;
  text-transform: uppercase;
  background: #f9fafb;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  color: #344054;
  background: #eef2f6;
  font-size: 12px;
  font-weight: 700;
}

.meta {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 10px 18px;
}

.meta dt { color: var(--muted); font-weight: 700; }
.meta dd { margin: 0; }

details summary { cursor: pointer; color: var(--brand); font-weight: 700; }
pre {
  white-space: pre-wrap;
  word-break: break-word;
  padding: 12px;
  border-radius: 6px;
  background: #101828;
  color: #f2f4f7;
  overflow: auto;
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.notice {
  padding: 12px;
  border-radius: 6px;
  margin-bottom: 12px;
}

.notice.success { background: #ecfdf3; color: var(--ok); }
.notice.danger { background: #fef3f2; color: var(--danger); }

body.login, body.install {
  display: grid;
  place-items: center;
  padding: 20px;
  background: linear-gradient(135deg, #eaf4f4, #f7f4ec);
}

.login-box, .install-box {
  width: min(440px, 100%);
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(16,24,40,.14);
}

@media (max-width: 1100px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.two { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .sidebar {
    position: static;
    width: auto;
  }
  .sidebar nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .app {
    margin-left: 0;
    padding: 16px;
  }
  .topbar {
    margin: -16px -16px 16px;
    padding: 12px 16px;
    flex-wrap: wrap;
  }
  .cards, .form-grid, .checklist { grid-template-columns: 1fr; }
  .inline-form { grid-template-columns: 1fr; }
  .hero, .split-title {
    align-items: flex-start;
    flex-direction: column;
  }
}