.ds-form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: var(--ds-space-4);
}

.ds-form-group:last-child {
    margin-bottom: 0;
}

.ds-label {
    font-size: var(--ds-text-sm);
    font-weight: var(--ds-font-semibold);
    color: var(--ds-color-text-primary);
    display: block;
    letter-spacing: -0.01em;
}

.ds-label--section {
    display: block;
    font-size: var(--ds-text-sm);
    font-weight: var(--ds-font-semibold);
    color: var(--ds-color-text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.ds-input,
.ds-select {
    width: 100%;
    height: var(--ds-input-h-md);
    padding: 0 var(--ds-space-3);
    border: 1.5px solid var(--ds-color-border-input);
    border-radius: var(--ds-radius-md);
    font-size: var(--ds-text-sm);
    font-family: var(--ds-font-family);
    color: var(--ds-color-text-primary);
    background: var(--ds-color-surface);
    transition:
        border-color var(--ds-transition-base),
        box-shadow var(--ds-transition-base),
        background var(--ds-transition-base);
    -webkit-appearance: none;
    appearance: none;
    caret-color: var(--ds-color-primary);
}

.ds-input:hover:not(:focus):not(:disabled) {
    border-color: #A8B4CA;
}

.ds-select:hover:not(:focus):not(:disabled) {
    border-color: #A8B4CA;
}

.ds-input:focus {
    outline: none;
    border-color: var(--ds-color-primary);
    background: #FDFEFF;
    box-shadow: var(--ds-shadow-focus);
}

.ds-select:focus {
    outline: none;
    border-color: var(--ds-color-primary);
    background-color: #FDFEFF;
    box-shadow: var(--ds-shadow-focus);
}

.ds-input::placeholder {
    color: var(--ds-color-text-placeholder);
    font-weight: var(--ds-font-normal);
}

.ds-input:disabled,
.ds-select:disabled {
    background: var(--ds-color-surface-sunken);
    border-color: var(--ds-color-border);
    color: var(--ds-color-text-muted);
    cursor: not-allowed;
    opacity: 0.7;
}

.ds-input--sm,
.ds-select--sm {
    height: var(--ds-input-h-sm);
    font-size: var(--ds-text-xs);
    padding: 0 var(--ds-space-2);
    border-radius: var(--ds-radius-sm);
}

.ds-input--lg,
.ds-select--lg {
    height: var(--ds-input-h-lg);
    font-size: var(--ds-text-base);
    padding: 0 var(--ds-space-4);
    border-radius: var(--ds-radius-lg);
}

.ds-select--sm {
    padding-right: 32px;
    background-size: 14px;
    background-position: right 8px center;
}

.ds-select--lg {
    padding-right: 44px;
    background-size: 18px;
    background-position: right 12px center;
}

.ds-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
    padding-right: 38px;
    cursor: pointer;
}

.ds-select option {
    background: var(--ds-color-surface);
    background-image: none;
    color: var(--ds-color-text-primary);
}

.ds-textarea {
    width: 100%;
    padding: var(--ds-space-3);
    border: 1.5px solid var(--ds-color-border-input);
    border-radius: var(--ds-radius-md);
    font-size: var(--ds-text-sm);
    font-family: var(--ds-font-family);
    color: var(--ds-color-text-primary);
    background: var(--ds-color-surface);
    resize: vertical;
    min-height: 100px;
    line-height: var(--ds-leading-relaxed);
    caret-color: var(--ds-color-primary);
    transition:
        border-color var(--ds-transition-base),
        box-shadow var(--ds-transition-base);
}

.ds-textarea:hover:not(:focus) {
    border-color: #A8B4CA;
}

.ds-textarea:focus {
    outline: none;
    border-color: var(--ds-color-primary);
    background: #FDFEFF;
    box-shadow: var(--ds-shadow-focus);
}

.ds-textarea::placeholder {
    color: var(--ds-color-text-placeholder);
    font-weight: var(--ds-font-normal);
}

.ds-input-group {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.ds-input-group .ds-input {
    width: 100%;
    min-width: 0;
}

.ds-input-group__prefix,
.ds-input-group__suffix {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ds-color-text-muted);
    pointer-events: none;
    font-size: 0.9rem;
    transition: color var(--ds-transition-base);
}

.ds-input-group__prefix {
    left: 12px;
}

.ds-input-group__suffix {
    right: 12px;
}

.ds-input-group:focus-within .ds-input-group__prefix,
.ds-input-group:focus-within .ds-input-group__suffix {
    color: var(--ds-color-primary);
}

.ds-input-group--prefix .ds-input {
    padding-left: 36px;
}

.ds-input-group--suffix .ds-input {
    padding-right: 36px;
}

.ds-input-group--prefix.ds-input-group--sm .ds-input {
    padding-left: 30px;
}

.ds-input-group--prefix .ds-input-group__prefix {
    left: 10px;
    font-size: 0.8rem;
}

.ds-form-group--error .ds-input,
.ds-form-group--error .ds-textarea {
    border-color: var(--ds-color-danger);
    background: rgba(239, 68, 68, 0.02);
}

.ds-form-group--error .ds-select {
    border-color: var(--ds-color-danger);
    background-color: rgba(239, 68, 68, 0.02);
}

.ds-form-group--error .ds-input:focus,
.ds-form-group--error .ds-select:focus,
.ds-form-group--error .ds-textarea:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.14);
}

.ds-form-group--success .ds-input,
.ds-form-group--success .ds-textarea {
    border-color: var(--ds-color-success);
    background: rgba(16, 185, 129, 0.02);
}

.ds-form-group--success .ds-select {
    border-color: var(--ds-color-success);
    background-color: rgba(16, 185, 129, 0.02);
}

.ds-form-group--success .ds-input:focus,
.ds-form-group--success .ds-select:focus,
.ds-form-group--success .ds-textarea:focus {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.14);
}

.ds-form-hint {
    font-size: var(--ds-text-xs);
    color: var(--ds-color-text-muted);
    line-height: var(--ds-leading-relaxed);
}

.ds-form-error {
    font-size: var(--ds-text-xs);
    color: var(--ds-color-danger);
    line-height: var(--ds-leading-relaxed);
    font-weight: var(--ds-font-medium);
}

.ds-form-message {
    font-size: var(--ds-text-sm);
    min-height: 20px;
    font-weight: var(--ds-font-medium);
}

.ds-filter-row {
    display: flex;
    gap: var(--ds-space-3);
    flex-wrap: wrap;
    align-items: center;
}

.ds-filter-row>.ds-input,
.ds-filter-row>.ds-select,
.ds-filter-row>.ds-input-group {
    flex: 1;
    min-width: 160px;
}

.ds-toggle {
    position: relative;
    width: 42px;
    height: 24px;
    flex-shrink: 0;
}

.ds-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.ds-toggle__slider {
    position: absolute;
    inset: 0;
    background: var(--ds-color-toggle-off);
    border-radius: var(--ds-radius-full);
    cursor: pointer;
    transition: background var(--ds-transition-base);
}

.ds-toggle__slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    top: 50%;
    left: 3px;
    transform: translateY(-50%);
    background: white;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
    transition: transform var(--ds-transition-spring-fast);
}

.ds-toggle input:checked+.ds-toggle__slider {
    background: var(--ds-color-primary);
}

.ds-toggle input:checked+.ds-toggle__slider::before {
    transform: translate(18px, -50%);
}

.ds-toggle input:focus-visible+.ds-toggle__slider {
    box-shadow: var(--ds-shadow-focus);
}

.ds-toggle-group {
    display: flex;
    align-items: center;
    gap: var(--ds-space-3);
}

.ds-toggle-label {
    font-size: var(--ds-text-sm);
    color: var(--ds-color-text-primary);
    font-weight: var(--ds-font-medium);
    cursor: pointer;
    user-select: none;
}

.ds-checkbox-group,
.ds-radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--ds-space-2);
}

.ds-checkbox,
.ds-radio {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    font-size: var(--ds-text-sm);
    color: var(--ds-color-text-primary);
    font-weight: var(--ds-font-medium);
}

.ds-checkbox input[type="checkbox"],
.ds-radio input[type="radio"] {
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--ds-color-border-input);
    border-radius: 4px;
    background: var(--ds-color-surface);
    cursor: pointer;
    accent-color: var(--ds-color-primary);
    flex-shrink: 0;
    transition: border-color var(--ds-transition-base);
}

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

.ds-checkbox input[type="checkbox"]:focus-visible,
.ds-radio input[type="radio"]:focus-visible {
    outline: none;
    box-shadow: var(--ds-shadow-focus);
}

.ds-stepper {
    display: inline-flex;
    align-items: stretch;
}

.ds-stepper__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--ds-input-h-md);
    height: var(--ds-input-h-md);
    border: 1.5px solid var(--ds-color-border-input);
    background: var(--ds-color-surface);
    color: var(--ds-color-text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    font-family: var(--ds-font-family);
    line-height: 1;
    transition: background var(--ds-transition-fast), color var(--ds-transition-fast), border-color var(--ds-transition-fast);
    flex-shrink: 0;
    user-select: none;
    padding: 0;
}

.ds-stepper__btn:first-child {
    border-radius: var(--ds-radius-md) 0 0 var(--ds-radius-md);
    border-right: none;
}

.ds-stepper__btn:last-child {
    border-radius: 0 var(--ds-radius-md) var(--ds-radius-md) 0;
    border-left: none;
}

.ds-stepper__btn:hover:not(:disabled) {
    background: var(--ds-color-primary-muted);
    color: var(--ds-color-primary);
    border-color: var(--ds-color-primary);
}

.ds-stepper__btn:disabled {
    opacity: 0.38;
    cursor: not-allowed;
    pointer-events: none;
}

.ds-stepper__input {
    height: var(--ds-input-h-md);
    width: 64px;
    border: 1.5px solid var(--ds-color-border-input);
    border-radius: 0;
    font-size: var(--ds-text-sm);
    font-family: var(--ds-font-family);
    font-weight: var(--ds-font-semibold);
    color: var(--ds-color-text-primary);
    background: var(--ds-color-surface);
    text-align: center;
    -moz-appearance: textfield;
    outline: none;
    transition: border-color var(--ds-transition-base);
}

.ds-stepper__input::-webkit-inner-spin-button,
.ds-stepper__input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.ds-stepper__input:focus {
    border-color: var(--ds-color-primary);
    background: #FDFEFF;
    position: relative;
    z-index: 1;
}

.ds-stepper--sm .ds-stepper__btn {
    width: var(--ds-input-h-sm);
    height: var(--ds-input-h-sm);
    font-size: 1rem;
}

.ds-stepper--sm .ds-stepper__input {
    height: var(--ds-input-h-sm);
    width: 52px;
    font-size: var(--ds-text-xs);
}

.ds-stepper--lg .ds-stepper__btn {
    width: var(--ds-input-h-lg);
    height: var(--ds-input-h-lg);
    font-size: 1.4rem;
}

.ds-stepper--lg .ds-stepper__input {
    height: var(--ds-input-h-lg);
    width: 80px;
    font-size: var(--ds-text-base);
}

@media (max-width: 768px) {
    .ds-filter-row {
        flex-direction: column;
    }

    .ds-filter-row .ds-input,
    .ds-filter-row .ds-select {
        min-width: 100%;
    }
}