:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --ink: #1a1d23;
  --muted: #667085;
  --line: #e4e7ec;
  --accent: #111827;
  --danger: #b42318;
  --ok: #027a48;
  --warn: #b54708;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #eef1f6 0%, var(--bg) 240px);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-size: 0.9em; }

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; letter-spacing: 0.02em; }
.topbar nav { display: flex; gap: 1rem; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 0.75rem; }
.container { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.page-header h1, .hero-card h1, .login-card h1, .form-card h1 { margin: 0.25rem 0 0; }
.muted { color: var(--muted); }

.hero-card, .login-card, .form-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.5rem;
}
.login-card { max-width: 420px; margin: 4rem auto; }

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.table th, .table td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.table th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.row-actions { display: flex; gap: 0.75rem; }

.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  padding: 0.5rem 0.9rem;
  font: inherit;
  cursor: pointer;
}
.btn:hover { opacity: 0.92; text-decoration: none; }
.btn-secondary { background: #fff; color: var(--accent); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-danger { background: var(--danger); border-color: var(--danger); }

.input, input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  font: inherit;
  background: #fff;
}
.filters { display: flex; gap: 0.75rem; margin-bottom: 1rem; flex-wrap: wrap; }
.filters .input, .filters input, .filters select { width: auto; min-width: 180px; }
.stack { display: grid; gap: 0.9rem; }
.actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 0.5rem; }
.checkbox { display: flex; align-items: center; gap: 0.5rem; }
.checkbox input { width: auto; }

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}
.detail-grid dt { color: var(--muted); font-size: 0.8rem; }
.detail-grid dd { margin: 0.2rem 0 0; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: #eef2f6;
}
.badge-active { background: #dcfae6; color: var(--ok); }
.badge-banned, .badge-inactive, .badge-deleted { background: #fee4e2; color: var(--danger); }

.messages { list-style: none; padding: 0; margin: 0 0 1rem; }
.message { padding: 0.75rem 1rem; border-radius: 8px; background: #eef2f6; margin-bottom: 0.5rem; }
.message-error, .message-error { background: #fee4e2; color: var(--danger); }
.message-success { background: #dcfae6; color: var(--ok); }
.field-error { color: var(--danger); font-size: 0.85rem; }
.pagination { display: flex; gap: 1rem; margin-top: 1rem; align-items: center; }
.hidden { display: none; }