* {
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
}

body {
    background-color: #f4f6f9;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 500px;
}

.header {
    text-align: center;
    margin-bottom: 25px;
}

.header h2 {
    font-size: 1.6rem;
    color: #2c3e50;
    font-weight: 700;
}

.header p {
    color: #7f8c8d;
    margin-top: 5px;
}

.card {
    background: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.card h3 {
    margin-bottom: 20px;
    color: #34495e;
    text-align: center;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
    outline: none;
}

.form-group input:focus {
    border-color: #3498db;
}

.btn-block {
    width: 100%;
    padding: 12px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    margin-top: 10px;
    transition: background 0.2s;
}

.btn-block:hover {
    background: #2980b9;
}

.alert {
    padding: 10px;
    background: #e74c3c;
    color: white;
    border-radius: 5px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    text-align: center;
}

/* Style Hasil Kelulusan */
.table-info {
    width: 100%;
    margin: 15px 0;
    border-collapse: collapse;
}

.table-info td {
    padding: 8px 0;
    font-size: 1rem;
}

.status-box {
    text-align: center;
    padding: 20px;
    border-radius: 8px;
    font-size: 1.2rem;
    margin: 20px 0;
}

.status-lulus {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.status-tidak {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.status-box strong {
    font-size: 2rem;
    display: block;
    margin-top: 5px;
}

.note {
    font-size: 0.85rem;
    color: #7f8c8d;
    text-align: center;
    font-style: italic;
    margin-bottom: 20px;
}

.btn-logout {
    display: block;
    text-align: center;
    text-decoration: none;
    background: #95a5a6;
    color: white;
    padding: 10px;
    border-radius: 5px;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-logout:hover {
    background: #7f8c8d;
}