* { box-sizing: border-box; }
body { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; margin: 0; background: #f5f6f8; color: #222; }
.page { display: flex; flex-direction: column; min-height: 100vh; }
main { flex: 1; padding: 16px; max-width: 1280px; margin: 0 auto; width: 100%; }
h2 { margin: 0 0 4px 0; }
.muted { color: #6b7280; }
.small { font-size: 12px; }
.center { text-align: center; }
.err { color: #b91c1c; background: #fef2f2; padding: 8px 12px; border-radius: 6px; margin: 8px 0; }
.spacer { flex: 1; }

.topbar { display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: #1f2937; color: #fff; }
.topbar a, .topbar .user { color: #e5e7eb; text-decoration: none; padding: 4px 8px; border-radius: 4px; }
.topbar a:hover { background: #374151; }
.topbar .brand { font-weight: 700; margin-right: 24px; }
.topbar button.link { background: none; border: 0; color: #e5e7eb; cursor: pointer; padding: 4px 8px; }
.topbar button.link:hover { background: #374151; border-radius: 4px; }

button { padding: 6px 14px; border: 1px solid #cbd5e1; background: #fff; cursor: pointer; border-radius: 4px; }
button:hover { background: #f1f5f9; }
button.primary { background: #2563eb; color: #fff; border-color: #1d4ed8; }
button.primary:hover { background: #1d4ed8; }
button.link { background: none; border: 0; color: #2563eb; cursor: pointer; padding: 2px 6px; }
button.link.danger { color: #b91c1c; }
button.link:hover { text-decoration: underline; }

.toolbar { margin: 12px 0; display: flex; gap: 12px; align-items: center; }

table.grid { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid #e5e7eb; }
table.grid th, table.grid td { padding: 8px 12px; border-bottom: 1px solid #e5e7eb; text-align: left; vertical-align: top; }
table.grid th { background: #f9fafb; font-weight: 600; }
table.grid tr:hover td { background: #fafafa; }
table.grid code { background: #f3f4f6; padding: 2px 6px; border-radius: 3px; font-size: 13px; }

.card { background: #fff; border: 1px solid #e5e7eb; border-radius: 6px; padding: 16px; margin: 12px 0; }
.form { display: grid; grid-template-columns: 140px 1fr; gap: 8px; align-items: center; max-width: 600px; }
.form input { padding: 6px 10px; border: 1px solid #cbd5e1; border-radius: 4px; }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: #1e293b; }
.login-card { background: #fff; padding: 36px 32px; border-radius: 10px; width: 360px; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.login-card h2 { margin: 0; }
.login-card label { display: block; margin: 12px 0 4px; font-size: 13px; font-weight: 600; }
.login-card input { width: 100%; padding: 8px 10px; border: 1px solid #cbd5e1; border-radius: 4px; }
.login-card button[type=submit] { width: 100%; margin-top: 20px; padding: 10px; background: #2563eb; color: #fff; border: 0; border-radius: 4px; font-weight: 600; cursor: pointer; }
.login-card button[type=submit]:hover { background: #1d4ed8; }