:root {
    --border: #d0d5dd;
    --bg-muted: #f6f7f9;
    --danger: #b3261e;
    --danger-bg: #fdecea;
    --success: #1e7a34;
    --success-bg: #eaf7ee;
    --accent: #2456a6;
}

* { box-sizing: border-box; }

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    margin: 0;
    color: #1b1f24;
    background: #fff;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-muted);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.topbar-brand { font-weight: 600; }

.topbar-nav a {
    margin-left: 1rem;
    color: var(--accent);
    text-decoration: none;
}
.topbar-nav a:hover { text-decoration: underline; }
.topbar-user { margin-left: 1rem; color: #555; }

.content {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.5rem;
}

.flash {
    padding: 0.6rem 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}
.flash-success { background: var(--success-bg); color: var(--success); }
.flash-error { background: var(--danger-bg); color: var(--danger); }

form.card, .card {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    background: #fff;
}

label { display: block; margin-top: 0.75rem; font-weight: 600; font-size: 0.9rem; }
input[type=text], input[type=email], input[type=password], input[type=date],
input[type=time], input[type=number], input[type=file], textarea, select {
    width: 100%;
    padding: 0.45rem 0.6rem;
    margin-top: 0.25rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.95rem;
}
textarea { min-height: 5rem; font-family: inherit; }

.field-hint { color: #666; font-size: 0.8rem; margin-top: 0.2rem; }
.field-hint.field-warning { color: var(--danger); }

button, .btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1.1rem;
    border: none;
    border-radius: 4px;
    background: var(--accent);
    color: #fff;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
}
button:hover, .btn:hover { opacity: 0.9; }
.btn-danger { background: var(--danger); }
.btn-secondary { background: #6b7280; }

table { border-collapse: collapse; width: 100%; margin-top: 1rem; }
th, td { border: 1px solid var(--border); padding: 0.5rem; text-align: left; font-size: 0.9rem; vertical-align: top; }
th { background: var(--bg-muted); }
tr.row-error { background: var(--danger-bg); }
.row-errors { color: var(--danger); font-size: 0.8rem; margin: 0.2rem 0 0; padding-left: 1.1rem; }

.badge { display: inline-block; padding: 0.1rem 0.5rem; border-radius: 10px; font-size: 0.75rem; }
.badge-admin { background: #eef2ff; color: #3949ab; }
.badge-user { background: var(--bg-muted); color: #444; }
.badge-inactive { background: var(--danger-bg); color: var(--danger); }

.actions-row { display: flex; gap: 0.5rem; align-items: center; }