* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

header {
    background-color: white;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.school-name {
    color: #333;
    font-size: 24px;
    font-weight: 600;
}

main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.login-container {
    background-color: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 450px;
}

.login-container h2 {
    color: #333;
    font-size: 28px;
    margin-bottom: 10px;
    text-align: center;
}

.subtitle {
    color: #666;
    font-size: 14px;
    text-align: center;
    margin-bottom: 30px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: #333;
    font-weight: 600;
    font-size: 14px;
}

.form-group input,
.form-group select {
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group select {
    cursor: pointer;
    background-color: white;
}

.btn-login {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 14px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-login:active {
    transform: translateY(0);
}

footer {
    background-color: rgba(0, 0, 0, 0.3);
    color: white;
    text-align: center;
    padding: 20px;
    font-size: 14px;
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 10px;
    }
    
    .school-name {
        font-size: 20px;
        text-align: center;
    }
    
    .logo {
        width: 50px;
        height: 50px;
    }
    
    .login-container {
        padding: 30px 20px;
    }
    
    .login-container h2 {
        font-size: 24px;
    }
}