.form-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    overflow-y: auto;
    padding: 20px;
}

.form-overlay.visible {
    display: flex;
}

.form-container {
    background: white;
    border-radius: 0;
    padding: 40px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    position: relative;
    border: 3px solid #000000;
}

.form-header {
    margin-bottom: 30px;
}

.form-header h2 {
    color: #000000;
    margin: 0 0 10px 0;
    font-size: 24px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-header p {
    color: #666;
    margin: 0;
    font-size: 14px;
}

.form-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: 2px solid #000000;
    width: 35px;
    height: 35px;
    border-radius: 0;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    color: #000000;
}

.form-close:hover {
    background: #000000;
    color: white;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #000000;
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group label .required {
    color: #e74c3c;
    margin-left: 3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #000000;
    border-radius: 0;
    font-size: 14px;
    font-family: Arial, sans-serif;
    transition: all 0.2s;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #000000;
    background: #f5f5f5;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #e74c3c;
    background: #fff5f5;
    animation: shake 0.3s;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.error-message {
    color: #e74c3c;
    font-size: 12px;
    margin-top: 5px;
    display: none;
    font-weight: 600;
}

.error-message.visible {
    display: block;
    animation: fadeIn 0.2s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-submit {
    width: 100%;
    background: #000000;
    color: white;
    border: 2px solid #000000;
    padding: 16px;
    border-radius: 0;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-submit:hover:not(:disabled) {
    transform: none;
    background: white;
    color: #000000;
    box-shadow: none;
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Responsive design for tablets */
@media (max-width: 1024px) {
    .form-overlay {
        padding: 15px;
    }
    
    .form-container {
        padding: 35px;
    }
}

/* Responsive design for mobile */
@media (max-width: 768px) {
    .form-overlay {
        padding: 10px;
        align-items: flex-start;
    }
    
    .form-container {
        padding: 25px 20px;
        max-height: 95vh;
        margin-top: 10px;
    }
    
    .form-header {
        margin-bottom: 20px;
    }
    
    .form-header h2 {
        font-size: 20px;
        padding-right: 30px;
    }
    
    .form-header p {
        font-size: 13px;
    }
    
    .form-close {
        top: 15px;
        right: 15px;
        width: 32px;
        height: 32px;
        font-size: 20px;
    }
    
    .form-group {
        margin-bottom: 16px;
    }
    
    .form-group label {
        font-size: 11px;
        margin-bottom: 6px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px;
        font-size: 13px;
    }
    
    .form-group textarea {
        min-height: 70px;
    }
    
    .form-submit {
        padding: 14px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .form-overlay {
        padding: 5px;
    }
    
    .form-container {
        padding: 20px 15px;
        border-width: 2px;
    }
    
    .form-header h2 {
        font-size: 18px;
        letter-spacing: 0.3px;
    }
    
    .form-header p {
        font-size: 12px;
    }
    
    .form-close {
        top: 12px;
        right: 12px;
        width: 28px;
        height: 28px;
        font-size: 18px;
    }
    
    .form-group label {
        font-size: 10px;
        letter-spacing: 0.3px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 8px;
        font-size: 12px;
    }
    
    .error-message {
        font-size: 11px;
    }
    
    .form-submit {
        padding: 12px;
        font-size: 12px;
        letter-spacing: 0.3px;
    }
}