/* Form Styles */
.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color, #ddd);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color, #fff);
    font-size: 1rem;
    transition: all 0.3s ease;
}

textarea.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--neon-cyan, #00e5ff);
    box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.25);
    background: rgba(255, 255, 255, 0.15);
}

/* Error States */
.form-input.invalid,
.form-textarea.invalid {
    border-color: #ff3860;
    padding-right: 2.25rem;
}

.error-message {
    display: block;
    color: #ff3860;
    font-size: 0.8rem;
    margin-top: 0.25rem;
}

/* Form Messages */
.form-message {
    padding: 0.75rem 1rem;
    margin: 1rem 0;
    border-radius: 4px;
    font-size: 0.9rem;
    display: none;
}

.form-message.success {
    background-color: rgba(40, 167, 69, 0.1);
    border: 1px solid rgba(40, 167, 69, 0.2);
    color: #28a745;
    display: block;
}

.form-message.error {
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.2);
    color: #dc3545;
    display: block;
}

/* Loading Spinner */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin-right: 0.5rem;
    vertical-align: middle;
}

/* Form Buttons */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Modal Form Adjustments */
.modal-content .form-group {
    margin-bottom: 1.25rem;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .form-input,
    .form-textarea {
        padding: 0.65rem 0.9rem;
    }
    
    .form-message {
        font-size: 0.85rem;
    }
}