:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #dde1e6;
  --text: #1c2530;
  --text-muted: #5b6670;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --success-bg: #e8f7ee;
  --success-border: #34a853;
  --warning-bg: #fff8e1;
  --warning-border: #d9a406;
  --error-bg: #fdecea;
  --error-border: #d93025;
  --radius: 8px;
}

* { box-sizing: border-box; }

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

.topbar {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0.9rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar h1 {
  font-size: 1.15rem;
  margin: 0;
  white-space: nowrap;
}

.topbar nav { display: flex; gap: 1.25rem; }

.admin-widget {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.admin-login {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.admin-login input[type="password"] {
  width: 8rem;
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
}

.admin-error {
  color: var(--error-border);
  font-size: 0.8rem;
}

.admin-badge {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--success-border);
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
}

button.small {
  padding: 0.35rem 0.75rem;
  font-size: 0.85rem;
}

.topbar nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  padding: 0.4rem 0.1rem;
  border-bottom: 2px solid transparent;
}

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

main {
  max-width: 1100px;
  margin: 1.5rem auto;
  padding: 0 1.5rem 3rem;
}

h2 { font-size: 1.3rem; margin-bottom: 0.25rem; }
.subtitle { color: var(--text-muted); margin-top: 0; margin-bottom: 1.25rem; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  overflow-x: auto;
}

input[type="text"], input[type="file"] {
  font: inherit;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
}

.search-row {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.search-row input[type="text"] { flex: 1; min-width: 220px; }

.perm-filters {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.perm-filters label {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  cursor: pointer;
}

button {
  font: inherit;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.55rem 1.1rem;
  cursor: pointer;
}

button:hover { background: var(--accent-hover); }
button:disabled { background: #9aa5b1; cursor: not-allowed; }

button.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
button.secondary:hover { background: #eef3fe; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.93rem;
}

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

th { color: var(--text-muted); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.02em; }

tr.clickable { cursor: pointer; }
tr.clickable:hover { background: #f0f4ff; }

.perm-check {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-right: 0.9rem;
  font-size: 0.85rem;
  white-space: nowrap;
}

.perms-cell {
  white-space: nowrap;
}

.perm-check .box {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: #fff;
}

.perm-check.on .box { background: var(--accent); border-color: var(--accent); }
.perm-check.off .box { background: var(--surface); }
.perm-check.off { color: #c3c9d1; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  background: #eef3fe;
  color: var(--accent);
}

.panel {
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  margin-bottom: 1rem;
  border: 1px solid;
}
.panel.success { background: var(--success-bg); border-color: var(--success-border); }
.panel.warning { background: var(--warning-bg); border-color: var(--warning-border); }
.panel.error   { background: var(--error-bg); border-color: var(--error-border); }

.muted { color: var(--text-muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.field-group {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}
.field-group > div { flex: 1; min-width: 240px; }
.field-group label { display: block; font-weight: 600; margin-bottom: 0.35rem; font-size: 0.9rem; }

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem 0;
}

.load-more { text-align: center; margin-top: 1rem; }

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181d;
    --surface: #1c2229;
    --border: #2c333c;
    --text: #e6e9ec;
    --text-muted: #9aa5b1;
    --accent: #5b8def;
    --accent-hover: #3f74e0;
    --success-bg: #16281e;
    --warning-bg: #2b2410;
    --error-bg: #2c1817;
  }
  tr.clickable:hover { background: #232a33; }
  button.secondary:hover { background: #202838; }
  .badge { background: #202838; }
}