:root {
    --bg: #f4f6f8;
    --card: #ffffff;
    --border: #dfe3e8;
    --text: #1f2933;
    --muted: #6b7684;
    --primary: #1c4e80;
    --primary-dark: #143a5f;
    --danger: #b3261e;
    --success: #1e6e3c;
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
    background: var(--primary);
    color: #fff;
}
.topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.brand { color: #fff; font-weight: 700; font-size: 1.1rem; }
.nav { display: flex; gap: 1rem; flex: 1; }
.nav a { color: #e5edf5; }
.user-menu { display: flex; align-items: center; gap: 0.75rem; font-size: 0.9rem; color: #dce6f0; }

.container {
    max-width: 1100px;
    margin: 1.5rem auto;
    padding: 0 1.25rem 3rem;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.25rem;
}

.alert { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; font-size: 0.95rem; }
.alert-error { background: #fdecea; color: var(--danger); border: 1px solid #f4c6c2; }
.alert-success { background: #e9f7ef; color: var(--success); border: 1px solid #b7e4c7; }
.alert-info { background: #eaf1fb; color: var(--primary); border: 1px solid #c7dbf2; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); font-size: 0.92rem; }
th { color: var(--muted); font-weight: 600; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.03em; }

.btn, button, input[type=submit] {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0.55rem 1rem;
    font-size: 0.92rem;
    cursor: pointer;
}
.btn:hover, button:hover { background: var(--primary-dark); }
.btn-secondary { background: #fff; color: var(--primary); border: 1px solid var(--primary); }
.btn-secondary:hover { background: #eaf1fb; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #8c1e18; }

.link-button {
    background: none; border: none; color: #dce6f0; padding: 0; font-size: inherit; cursor: pointer;
}
.link-button:hover { text-decoration: underline; background: none; }

.inline-form { display: inline; }

form label { display: block; margin-bottom: 0.9rem; font-size: 0.9rem; color: var(--muted); }
input, select, textarea {
    width: 100%;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.95rem;
    margin-top: 0.3rem;
    color: var(--text);
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.5rem; }
.form-actions { margin-top: 1rem; display: flex; gap: 0.6rem; }

.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.page-header h1 { font-size: 1.35rem; margin: 0; }

.badge { display: inline-block; padding: 0.15rem 0.55rem; border-radius: 999px; font-size: 0.78rem; font-weight: 600; }
.badge-active { background: #e9f7ef; color: var(--success); }
.badge-inactive { background: #eee; color: var(--muted); }
.badge-error { background: #fdecea; color: var(--danger); }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 1rem 1.25rem; }
.stat-card .value { font-size: 1.6rem; font-weight: 700; color: var(--primary); }
.stat-card .label { color: var(--muted); font-size: 0.85rem; }

.muted { color: var(--muted); }
.text-right { text-align: right; }
.field-help { display:block; color: var(--muted); font-size: 0.8rem; margin-top: 0.2rem; }

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1c4e80, #143a5f);
}
.login-box {
    background: #fff;
    padding: 2.5rem;
    border-radius: 10px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}
.login-box h1 { font-size: 1.2rem; margin-top: 0; text-align: center; color: var(--primary); }
.login-box button { width: 100%; margin-top: 0.5rem; }