.main-content {
    padding: 20px;
    min-height: calc(100vh - 60px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.create-student-form {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    padding: 30px;
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.create-student-form h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 28px;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.create-student-form .form-group {
    margin-bottom: 25px;
    position: relative;
}

.create-student-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #444;
    font-size: 16px;
}

.create-student-form input[type="text"],
.create-student-form input[type="number"],
.create-student-form select {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 16px;
    box-sizing: border-box;
    transition: all 0.3s ease;
    background-color: #fff;
    color: #333;
}

.create-student-form input[type="text"]:focus,
.create-student-form input[type="number"]:focus,
.create-student-form select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.create-student-form select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
    padding-right: 45px;
}

.create-student-form .help-text {
    font-size: 14px;
    color: #666;
    margin-top: 8px;
    font-style: italic;
}

.create-student-form .errorlist {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 8px;
    font-weight: 500;
}

.create-student-form button {
    display: block;
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.create-student-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.create-student-form button:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.create-student-form button:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

@media (max-width: 768px) {
    .main-content {
        padding: 10px;
    }

    .create-student-form {
        padding: 20px;
        margin: 10px;
        border-radius: 10px;
    }

    .create-student-form h1 {
        font-size: 24px;
        margin-bottom: 25px;
    }

    .create-student-form .form-group {
        margin-bottom: 20px;
    }

    .create-student-form label {
        font-size: 15px;
    }

    .create-student-form input[type="text"],
    .create-student-form input[type="number"],
    .create-student-form select {
        padding: 12px 15px;
        font-size: 16px;
    }

    .create-student-form button {
        padding: 12px;
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .create-student-form {
        padding: 15px;
        margin: 5px;
    }

    .create-student-form h1 {
        font-size: 20px;
        margin-bottom: 20px;
    }

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

    .create-student-form input[type="text"],
    .create-student-form input[type="number"],
    .create-student-form select {
        padding: 10px 12px;
    }

    .create-student-form button {
        padding: 10px;
        font-size: 15px;
    }
}