:root {
  color-scheme: light dark;
  --bg: #0f1720;
  --bg-alt: #182634;
  --border: #2a3b4d;
  --text: #e6edf3;
  --text-dim: #9fb0c0;
  --accent: #4da3ff;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f7fa;
    --bg-alt: #ffffff;
    --border: #d7dee5;
    --text: #1b2733;
    --text-dim: #5a6b7a;
    --accent: #0969da;
    --ok: #1a7f37;
    --warn: #9a6700;
    --err: #cf222e;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header.app-header {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

header.app-header h1 {
  font-size: 1.1rem;
  margin: 0;
  padding: 1rem 0;
}

nav.main-nav {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

nav.main-nav a {
  color: var(--text-dim);
  text-decoration: none;
  padding: 1rem 0;
  border-bottom: 2px solid transparent;
  font-size: 0.92rem;
}

nav.main-nav a:hover, nav.main-nav a.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem;
}

h2 { margin-top: 0; }

.card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}

th { color: var(--text-dim); font-weight: 600; }

tr:last-child td { border-bottom: none; }

a { color: var(--accent); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: none;
}

.btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.danger { background: var(--err); }

form.inline { display: inline; }

label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

input[type=text], input[type=password], input[type=date], input[type=email], input[type=number], select, textarea {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.select-inline {
  width: auto;
  max-width: 100%;
  margin-bottom: 0;
}

.badge {
  display: inline-block;
  max-width: 100%;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: middle;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -1.25rem;
  padding: 0 1.25rem;
}

.table-scroll table {
  min-width: 560px;
}

.badge.ok { background: color-mix(in srgb, var(--ok) 20%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 20%, transparent); color: var(--warn); }
.badge.err { background: color-mix(in srgb, var(--err) 20%, transparent); color: var(--err); }
.badge.muted { background: color-mix(in srgb, var(--text-dim) 20%, transparent); color: var(--text-dim); }

.flash {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  margin-bottom: 1.25rem;
  font-size: 0.92rem;
}

.flash.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); border: 1px solid var(--ok); }
.flash.err { background: color-mix(in srgb, var(--err) 15%, transparent); border: 1px solid var(--err); }

.muted { color: var(--text-dim); }
.actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 8px; padding: 1rem; }
.stat .value { font-size: 1.6rem; font-weight: 700; }
.stat .label { color: var(--text-dim); font-size: 0.85rem; }

@media (max-width: 720px) {
  header.app-header {
    flex-wrap: wrap;
    padding: 0.75rem 1rem;
    gap: 0.75rem 1.5rem;
  }

  header.app-header h1 {
    padding: 0;
    width: 100%;
  }

  nav.main-nav {
    gap: 0.9rem;
  }

  nav.main-nav a {
    padding: 0.4rem 0;
  }

  header.app-header .actions {
    width: 100%;
    justify-content: flex-start;
  }

  main {
    padding: 1rem;
  }

  .card {
    padding: 1rem;
    border-radius: 6px;
  }

  .table-scroll {
    margin: 0 -1rem;
    padding: 0 1rem;
  }

  .field-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .select-inline {
    max-width: 200px;
  }
}