/* =============================================================================
   FORMS - Formulários e Inputs
   ============================================================================= */

/* Form Container */
.form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Form Group */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
}

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

/* Base Inputs */
.form-control {
    width: 100%;
    padding: 0.625rem 0.75rem;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--gray-900);
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.form-control::placeholder {
    color: var(--gray-400);
}

.form-control:disabled,
.form-control[readonly] {
    background: var(--gray-100);
    cursor: not-allowed;
    opacity: 0.7;
}

/* Input States */
.form-control.is-invalid,
.form-control:invalid:not(:placeholder-shown) {
    border-color: var(--danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.form-control.is-valid {
    border-color: var(--success);
}

.form-control.is-valid:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

/* Textarea */
textarea.form-control {
    resize: vertical;
    min-height: 5rem;
}

/* Select */
select.form-control {
    appearance: none;
    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 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5rem;
    padding-right: 2.5rem;
}

/* Form Row */
.form-row {
    display: grid;
    gap: 1rem;
}

.form-row.cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.form-row.cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.form-row.cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

.form-row.cols-auto {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Input with Icon */
.input-icon-wrapper {
    position: relative;
}

.input-icon-wrapper .form-control {
    padding-left: 2.5rem;
}

.input-icon-wrapper.icon-right .form-control {
    padding-left: 0.75rem;
    padding-right: 2.5rem;
}

.input-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    pointer-events: none;
}

.input-icon svg {
    width: 1.125rem;
    height: 1.125rem;
}

.input-icon-wrapper.icon-right .input-icon {
    left: auto;
    right: 0.75rem;
}

/* Input with Button */
.input-button-wrapper {
    display: flex;
}

.input-button-wrapper .form-control {
    border-radius: 0.5rem 0 0 0.5rem;
    border-right: none;
}

.input-button-wrapper .btn {
    border-radius: 0 0.5rem 0.5rem 0;
    flex-shrink: 0;
}

/* Input Group */
.input-group {
    display: flex;
}

.input-group-addon {
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
    font-size: 0.875rem;
    color: var(--gray-600);
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    white-space: nowrap;
}

.input-group-addon:first-child {
    border-radius: 0.5rem 0 0 0.5rem;
    border-right: none;
}

.input-group-addon:last-child {
    border-radius: 0 0.5rem 0.5rem 0;
    border-left: none;
}

.input-group .form-control {
    border-radius: 0;
}

.input-group .form-control:first-child {
    border-radius: 0.5rem 0 0 0.5rem;
}

.input-group .form-control:last-child {
    border-radius: 0 0.5rem 0.5rem 0;
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-check-input {
    width: 1rem;
    height: 1rem;
    margin: 0;
    flex-shrink: 0;
    cursor: pointer;
}

.form-check-input[type="checkbox"] {
    border-radius: 0.25rem;
}

.form-check-input[type="radio"] {
    border-radius: 50%;
}

.form-check-label {
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
}

/* Checkbox Label (inline) */
.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    margin: 0;
    cursor: pointer;
    accent-color: var(--primary);
}

/* Custom Checkbox */
.checkbox-custom {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-custom input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkbox-custom .checkmark {
    width: 1.125rem;
    height: 1.125rem;
    border: 2px solid var(--gray-300);
    border-radius: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.checkbox-custom input:checked ~ .checkmark {
    background: var(--primary);
    border-color: var(--primary);
}

.checkbox-custom .checkmark svg {
    width: 0.75rem;
    height: 0.75rem;
    color: white;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.checkbox-custom input:checked ~ .checkmark svg {
    opacity: 1;
}

.checkbox-custom input:focus ~ .checkmark {
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Switch Toggle */
.switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.switch input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.switch-slider {
    width: 2.5rem;
    height: 1.5rem;
    background: var(--gray-300);
    border-radius: 9999px;
    transition: background 0.2s ease;
    flex-shrink: 0;
}

.switch-slider::after {
    content: '';
    position: absolute;
    top: 0.125rem;
    left: 0.125rem;
    width: 1.25rem;
    height: 1.25rem;
    background: white;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

.switch input:checked ~ .switch-slider {
    background: var(--primary);
}

.switch input:checked ~ .switch-slider::after {
    transform: translateX(1rem);
}

.switch input:focus ~ .switch-slider {
    box-shadow: 0 0 0 3px var(--primary-light);
}

.switch-label {
    font-size: 0.875rem;
    color: var(--gray-700);
}

/* File Upload */
.file-upload {
    position: relative;
    border: 2px dashed var(--gray-300);
    border-radius: 0.5rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.15s ease;
    cursor: pointer;
}

.file-upload:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.file-upload.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.file-upload input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-upload-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    margin: 0 auto 1rem;
    background: var(--gray-100);
    border-radius: 50%;
    color: var(--gray-400);
}

.file-upload-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.file-upload-text {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.file-upload-text strong {
    color: var(--primary);
}

.file-upload-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

/* File List */
.file-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--gray-50);
    border-radius: 0.5rem;
}

.file-item-icon {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: 0.375rem;
    color: var(--gray-400);
}

.file-item-icon svg {
    width: 1rem;
    height: 1rem;
}

.file-item-info {
    flex: 1;
    min-width: 0;
}

.file-item-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item-size {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.file-item-remove {
    padding: 0.25rem;
    background: transparent;
    border: none;
    border-radius: 0.25rem;
    color: var(--gray-400);
    cursor: pointer;
    transition: all 0.15s ease;
}

.file-item-remove:hover {
    background: var(--gray-200);
    color: var(--danger);
}

/* Form Hint & Error */
.form-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.form-error {
    font-size: 0.75rem;
    color: var(--danger);
}

/* Responsive */
@media (max-width: 640px) {
    .form-row.cols-2,
    .form-row.cols-3,
    .form-row.cols-4 {
        grid-template-columns: 1fr;
    }
}

/* Fieldset */
.form-fieldset {
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    padding: 1rem 1.25rem;
    margin: 0.5rem 0;
}

.form-fieldset legend {
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-600);
    padding: 0 0.5rem;
}

/* Required field indicator */
label.required::after {
    content: ' *';
    color: var(--danger);
}