* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: #f4f6fb;
    color: #1f2430;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #1f2c56;
    color: #fff;
    padding: 14px 28px;
}

.navbar .brand {
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
}

.nav-links a, .nav-links .link-button {
    color: #dbe2f5;
    text-decoration: none;
    margin-left: 20px;
    font-size: 0.95rem;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-links a:hover, .nav-links .link-button:hover {
    color: #fff;
    text-decoration: underline;
}

.nav-user {
    margin-left: 20px;
    color: #a9d9ff;
}

.inline-form { display: inline; }

.container {
    max-width: 1100px;
    margin: 32px auto;
    padding: 0 20px;
}

h1 { margin-bottom: 4px; }
.subtitle { color: #626c80; margin-top: 0; }

.summary-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 24px 0;
}

.card {
    padding: 20px;
    border-radius: 10px;
    color: #fff;
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.card-total { background: linear-gradient(135deg, #2c3e73, #3f5aa6); }
.card-admitted { background: linear-gradient(135deg, #1a7a4c, #2ba86a); }
.card-vacant { background: linear-gradient(135deg, #b05a1e, #e07f2e); }

.card-label { font-size: 0.85rem; opacity: 0.9; text-transform: uppercase; letter-spacing: 0.05em; }
.card-value { font-size: 2rem; font-weight: 700; }

.table-section {
    background: #fff;
    border-radius: 10px;
    padding: 8px 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    text-align: left;
    padding: 12px 10px;
    border-bottom: 1px solid #eef0f5;
    font-size: 0.95rem;
}

.data-table th {
    color: #626c80;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
}

.badge {
    background: #eef1fa;
    color: #2c3e73;
    padding: 3px 9px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.85rem;
}

.text-vacant { color: #b05a1e; font-weight: 600; }
.text-full { color: #1a7a4c; font-weight: 600; }

.progress-track {
    width: 140px;
    height: 8px;
    background: #eef0f5;
    border-radius: 6px;
    display: inline-block;
    vertical-align: middle;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: #3f5aa6;
    border-radius: 6px;
}

.progress-label {
    margin-left: 8px;
    font-size: 0.82rem;
    color: #626c80;
}

.hint { margin-top: 20px; color: #626c80; }

.form-card {
    background: #fff;
    max-width: 780px;
    margin: 20px auto;
    padding: 28px 32px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d7dce6;
    border-radius: 6px;
    font-size: 0.95rem;
}

.form-hint { color: #8992a3; font-size: 0.8rem; }
.field-error { color: #c0392b; font-size: 0.82rem; }

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 6px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.95rem;
}

.btn-primary { background: #2c3e73; color: #fff; }
.btn-primary:hover { background: #1f2c56; }
.btn-secondary { background: #eef1fa; color: #2c3e73; margin-left: 10px; }

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.alert-error { background: #fdecea; color: #c0392b; }
.alert-success { background: #e9f9ef; color: #1a7a4c; }

.dept-info {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4px 12px;
    background: #f7f9fc;
    padding: 14px;
    border-radius: 8px;
    margin-bottom: 18px;
}

.dept-info dt { font-weight: 600; color: #626c80; }
.dept-info dd { margin: 0; }

.inline-form-block { margin-bottom: 18px; }

footer {
    text-align: center;
    color: #8992a3;
    font-size: 0.82rem;
    padding: 20px 0 40px;
}

@media (max-width: 700px) {
    .summary-cards { grid-template-columns: 1fr; }
}