body { font-family: Arial, sans-serif; margin: 0; background: #f6f7fb; color: #111; }
a { color: #1a56db; text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar { background: #111827; color: #fff; padding: 14px 18px; display:flex; justify-content: space-between; align-items:center; }
.brand { font-weight: 700; }
.nav a { color: #fff; margin-left: 12px; }
.nav .sep { margin: 0 10px; opacity: 0.5; }
.nav .who { margin-left: 10px; opacity: 0.9; }

.container { max-width: 1100px; margin: 22px auto; padding: 0 16px; }
.narrow { max-width: 520px; }

.card { background:#fff; padding: 16px; border-radius: 10px; box-shadow: 0 1px 6px rgba(0,0,0,0.08); margin: 14px 0; }
.card.danger { border: 1px solid #ffb4b4; }

.row { display:flex; align-items:center; justify-content: space-between; gap: 12px; }
.grid { display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } .row { flex-direction: column; align-items: stretch; } }

label { display:block; font-size: 14px; }
input, select, textarea { width:100%; padding: 10px; margin-top: 6px; border: 1px solid #d1d5db; border-radius: 8px; box-sizing: border-box; }

button, .button { background:#1a56db; color:#fff; padding: 10px 14px; border: none; border-radius: 10px; cursor:pointer; display:inline-block; }
.button.secondary { background:#6b7280; }
button:hover, .button:hover { filter: brightness(0.95); text-decoration:none; }

table { width:100%; border-collapse: collapse; }
th, td { padding: 10px; border-bottom: 1px solid #e5e7eb; text-align:left; }
th { background:#f9fafb; }

.flash { padding: 10px 12px; border-radius: 10px; margin: 10px 0; }
.flash.success { background:#ecfdf5; border:1px solid #a7f3d0; }
.flash.error { background:#fef2f2; border:1px solid #fecaca; }