/* Form Components */

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--gray-700);
    margin-bottom: var(--space-2);
}

.form-label.required::after {
    content: ' *';
    color: var(--error-red);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    background-color: var(--white);
    color: var(--gray-800);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input:invalid,
.form-textarea:invalid,
.form-select:invalid {
    border-color: var(--error-red);
}

.form-input:valid,
.form-textarea:valid,
.form-select:valid {
    border-color: var(--success-green);
}

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

.form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--space-3) center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: var(--space-10);
    appearance: none;
}

/* Form Input Sizes */
.form-input-sm,
.form-textarea-sm,
.form-select-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
}

.form-input-lg,
.form-textarea-lg,
.form-select-lg {
    padding: var(--space-4) var(--space-5);
    font-size: var(--font-size-lg);
}

/* Form Input States */
.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
    background-color: var(--gray-100);
    color: var(--gray-500);
    cursor: not-allowed;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--gray-400);
}

/* Checkbox and Radio */
.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    border-radius: var(--radius-sm);
}

.form-radio input[type="radio"] {
    border-radius: var(--radius-full);
}

/* Custom Checkbox */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--gray-700);
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    width: 20px;
    height: 20px;
    background-color: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-sm);
    position: relative;
    transition: all var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid var(--white);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label:hover .checkmark {
    border-color: var(--primary-blue);
}

/* Form Help Text */
.form-help {
    font-size: var(--font-size-sm);
    color: var(--gray-500);
    margin-top: var(--space-1);
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--error-red);
    margin-top: var(--space-1);
}

.form-success {
    font-size: var(--font-size-sm);
    color: var(--success-green);
    margin-top: var(--space-1);
}

/* Form Validation States */
.form-group.error .form-input,
.form-group.error .form-textarea,
.form-group.error .form-select {
    border-color: var(--error-red);
}

.form-group.error .form-input:focus,
.form-group.error .form-textarea:focus,
.form-group.error .form-select:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-group.success .form-input,
.form-group.success .form-textarea,
.form-group.success .form-select {
    border-color: var(--success-green);
}

.form-group.success .form-input:focus,
.form-group.success .form-textarea:focus,
.form-group.success .form-select:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* Form Layouts */
.form-row {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-inline {
    display: flex;
    align-items: end;
    gap: var(--space-4);
}

.form-inline .form-group {
    margin-bottom: 0;
}

/* Search Input */
.form-search {
    position: relative;
}

.form-search .form-input {
    padding-left: var(--space-10);
}

.form-search-icon {
    position: absolute;
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
}

/* File Input */
.form-file {
    position: relative;
    display: inline-block;
    cursor: pointer;
}

.form-file input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.form-file-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background-color: var(--gray-100);
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-md);
    color: var(--gray-600);
    transition: all var(--transition-fast);
}

.form-file:hover .form-file-label {
    background-color: var(--gray-200);
    border-color: var(--gray-400);
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: flex-end;
    margin-top: var(--space-8);
    padding-top: var(--space-6);
    border-top: 1px solid var(--gray-200);
}

.form-actions .btn {
    min-width: 120px;
}

/* Responsive Forms */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .form-inline {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
}