* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 40px auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

h1, h2, h3 {
    color: #333;
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

h2 {
    font-size: 1.8rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
    margin-top: 0;
}

.menu, .menu-admin {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin: 30px 0;
}

.menu li a, .menu-admin li a {
    display: block;
    padding: 15px;
    background: #667eea;
    color: white;
    text-decoration: none;
    text-align: center;
    border-radius: 8px;
    font-weight: bold;
    transition: background 0.3s;
}

.menu li a:hover, .menu-admin li a:hover {
    background: #5a6fd8;
}

.poin-box {
    text-align: center;
    font-size: 1.5rem;
    padding: 20px;
    background: #e3f2fd;
    border-radius: 10px;
    margin: 20px 0;
    font-weight: bold;
    color: #1565c0;
}

.success {
    padding: 15px;
    background: #d4edda;
    color: #155724;
    border-radius: 5px;
    margin: 15px 0;
    text-align: center;
    font-weight: bold;
}

.error {
    padding: 15px;
    background: #f8d7da;
    color: #721c24;
    border-radius: 5px;
    margin: 15px 0;
    text-align: center;
    font-weight: bold;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 0.95rem;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background: #667eea;
    color: white;
}

tr:hover {
    background: #f5f5f5;
}

input, select, button {
    width: 100%;
    padding: 12px;
    margin: 8px 0;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
}

button {
    background: #28a745;
    color: white;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s;
}

button:hover {
    background: #218838;
}

.btn-logout {
    display: inline-block;
    background: #dc3545;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 20px;
    font-weight: bold;
}

.btn-logout:hover {
    background: #c82333;
}

.stats {
    display: flex;
    justify-content: space-around;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    font-weight: bold;
    font-size: 1.1rem;
}

@media (max-width: 600px) {
    .container {
        margin: 10px;
        padding: 15px;
    }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
}
.btn-small {
    display: inline-block;
    padding: 5px 10px;
    margin: 2px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    background: #6c757d;
    color: white;
}

.btn-small:hover {
    opacity: 0.9;
}

.btn-danger {
    background: #dc3545;
}
.btn-small {
    display: inline-block;
    padding: 5px 10px;
    margin: 2px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 0.9rem;
    background: #6c757d;
    color: white;
}

.btn-small:hover {
    opacity: 0.9;
}

.btn-danger {
    background: #dc3545;
}