/* ===== Main Layout ===== */
    .main-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        margin-bottom: 40px;
    }

    .main-layout .card:nth-child(3) {
        grid-column: 1 / -1;
    }

    @media (max-width: 900px) {
        .main-layout {
            grid-template-columns: 1fr;
        }
        .main-layout .card:nth-child(3) {
            grid-column: 1;
        }
    }


    /* Разноцветные иконки карточек*/
    .main-layout .card:nth-child(1) .card-icon {
        background: var(--primary-container);
        color: var(--md-primary);
    }
    .main-layout .card:nth-child(2) .card-icon {
        background: var(--green-container);
        color: var(--green);
    }
    .main-layout .card:nth-child(3) .card-icon {
        background: var(--yellow-container);
        color: var(--yellow);
    }

    #results-section .card-icon {
        background: var(--purple-container);
        color: var(--purple);
    }


    /* Выравнивание карточек шагов по высоте */
    .main-layout .card {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .main-layout .card .form-group {
        flex-shrink: 0;
    }

    .main-layout .card > .btn {
        margin-top: 12px;
    }


    /* ===== Gender Selector ===== */
    .gender-selector {
        display: flex;
        gap: 12px;
    }

    .gender-option {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border: 2px solid var(--outline-variant);
        border-radius: var(--radius-sm);
        padding: 10px 12px;
        cursor: pointer;
        transition: var(--transition);
        background: var(--surface);
    }

    .dark-mode .gender-option {
        background: var(--surface);
        border-color: var(--outline-variant);
    }

    .gender-option.active {
        border-color: var(--primary);
        background: var(--primary-container);
    }

    .dark-mode .gender-option.active {
        background: var(--primary-container);
    }

    .gender-icon {
        font-size: 18px;
        line-height: 1;
    }

    /* ===== Activity Level ===== */
    .activity-levels {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .activity-option {
        display: flex;
        align-items: center;
        padding: 10px 14px;
        border: 2px solid var(--outline-variant);
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: var(--transition);
        background: var(--surface);
    }

    .dark-mode .activity-option {
        background: var(--surface);
        border-color: var(--outline-variant);
    }

    .activity-option.active {
        border-color: var(--primary);
        background: var(--primary-container);
    }

    .dark-mode .activity-option.active {
        background: var(--primary-container);
    }

    .activity-icon {
        width: 40px;
        height: 40px;
        background: var(--primary-container);
        border-radius: var(--radius-xs);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--on-primary-container);
        margin-right: 14px;
        font-size: 18px;
    }

    .activity-text h4 {
        font-size: 14px;
        margin-bottom: 2px;
        color: var(--on-surface);
        transition: var(--transition);
    }

    .dark-mode .activity-text h4 {
        color: var(--on-surface);
    }

    .activity-text p {
        font-size: 13px;
        color: var(--on-surface-variant);
    }

    /* ===== Goal Selector ===== */
    .goal-selector {
        display: flex;
        gap: 8px;
    }

    .goal-option {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-align: center;
        border: 2px solid var(--outline-variant);
        border-radius: var(--radius-sm);
        padding: 14px 8px;
        cursor: pointer;
        transition: var(--transition);
        background: var(--surface);
        min-height: 110px;
    }

    .goal-option > div:last-child {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .goal-option h4 {
        font-size: 13px;
        margin-bottom: 2px;
        color: var(--on-surface);
        line-height: 1.2;
    }

    .goal-option p {
        font-size: 11px;
        color: var(--on-surface-variant);
        line-height: 1.3;
        margin: 0;
    }

    .dark-mode .goal-option {
        background: var(--surface);
        border-color: var(--outline-variant);
    }

    .goal-option.active {
        border-color: var(--primary);
        background: var(--primary-container);
    }

    .dark-mode .goal-option.active {
        background: var(--primary-container);
    }

    .goal-icon {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 8px;
        font-size: 20px;
        color: var(--on-primary-container);
    }

    .goal-loss .goal-icon {
        background: var(--error-container);
        color: var(--on-error-container);
    }

    .goal-maintain .goal-icon {
        background: var(--yellow-container);
        color: var(--yellow);
    }

    .goal-gain .goal-icon {
        background: var(--green-container);
        color: var(--green);
    }


    /* ===== Formula Selector ===== */
    .formula-selector {
        display: flex;
        gap: 12px;
        margin-top: 15px;
    }

    .formula-option {
        flex: 1;
        text-align: center;
        padding: 10px;
        border: 2px solid var(--outline-variant);
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: var(--transition);
        background: var(--surface);
    }

    .dark-mode .formula-option {
        background: var(--surface);
        border-color: var(--outline-variant);
    }

    .formula-option.active {
        border-color: var(--primary);
        background: var(--primary-container);
    }

    .dark-mode .formula-option.active {
        background: var(--primary-container);
    }

    .formula-name {
        font-weight: 600;
        margin-bottom: 4px;
        color: var(--on-surface);
        transition: var(--transition);
    }

    .dark-mode .formula-name {
        color: var(--on-surface);
    }

    .formula-desc {
        font-size: 12px;
        color: var(--on-surface-variant);
    }


    /* ===== Range Slider ===== */
    .range-slider {
        width: 100%;
        margin-top: 6px;
    }

    .range-value {
        text-align: center;
        font-weight: 600;
        color: var(--primary);
        margin-top: 6px;
        font-size: 16px;
    }


    /* ===== Timeline Selector (слайдер) ===== */
    .timeline-selector {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .timeline-slider-wrapper {
        position: relative;
    }

    .timeline-range {
        -webkit-appearance: none;
        appearance: none;
        width: 100%;
        height: 6px;
        border-radius: 3px;
        background: var(--surface-variant);
        outline: none;
        cursor: pointer;
    }

    .timeline-range::-webkit-slider-thumb {
        -webkit-appearance: none;
        appearance: none;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: var(--primary);
        box-shadow: 0 2px 8px rgba(11, 87, 208, 0.3);
        cursor: pointer;
        border: 3px solid var(--surface);
        transition: var(--transition);
    }

    .timeline-range::-webkit-slider-thumb:hover {
        transform: scale(1.15);
    }

    .timeline-range::-moz-range-thumb {
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: var(--primary);
        box-shadow: 0 2px 8px rgba(11, 87, 208, 0.3);
        cursor: pointer;
        border: 3px solid var(--surface);
    }

    .timeline-labels {
        display: flex;
        justify-content: space-between;
        margin-top: 6px;
        font-size: 12px;
        color: var(--on-surface-variant);
    }

    /* ===== Ideal Weight Hint ===== */
    .ideal-weight-hint {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--on-surface-variant);
        margin-bottom: 10px;
        padding: 8px 12px;
        background: var(--primary-container);
        border-radius: var(--radius-xs);
    }

    .ideal-weight-hint .svg-icon svg {
        width: 16px;
        height: 16px;
        color: var(--primary);
    }

    .ideal-weight-hint strong {
        color: var(--on-primary-container);
    }

    /* ===== Measurements Toggle Switch ===== */
    .measurements-toggle {
        position: relative;
        display: inline-flex;
        align-items: center;
        cursor: pointer;
        margin-left: auto;
    }

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

    .toggle-slider {
        width: 40px;
        height: 24px;
        background: var(--outline-variant);
        border-radius: 12px;
        transition: var(--transition);
        position: relative;
    }

    .toggle-slider::after {
        content: '';
        position: absolute;
        top: 3px;
        left: 3px;
        width: 18px;
        height: 18px;
        background: var(--surface);
        border-radius: 50%;
        transition: var(--transition);
        box-shadow: var(--elevation-1);
    }

    .measurements-toggle input:checked + .toggle-slider {
        background: var(--primary);
    }

    .measurements-toggle input:checked + .toggle-slider::after {
        left: 19px;
    }

    .measurements-toggle input:checked + .toggle-slider + .measurements-badge {
        display: none;
    }

    .timeline-display {
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: var(--surface-variant);
        border-radius: var(--radius-sm);
        padding: 12px 16px;
    }

    .timeline-display-value {
        font-size: 20px;
        font-weight: 700;
        color: var(--primary);
        font-family: 'Google Sans', 'Roboto', 'Montserrat', sans-serif;
    }

    .timeline-display-desc {
        font-size: 13px;
        color: var(--on-surface-variant);
        font-weight: 500;
    }


    /* ===== Ideal Weight Hint ===== */
    .ideal-weight-hint {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--on-surface-variant);
        margin-bottom: 10px;
        padding: 8px 12px;
        background: var(--primary-container);
        border-radius: var(--radius-xs);
    }

    .ideal-weight-hint .svg-icon svg {
        width: 16px;
        height: 16px;
        color: var(--primary);
    }

    .ideal-weight-hint strong {
        color: var(--on-primary-container);
    }


    /* ===== Toggle Group (для других блоков) ===== */
    .toggle-group {
        display: flex;
        background: var(--surface-variant);
        border-radius: var(--radius-sm);
        padding: 4px;
    }

    .dark-mode .toggle-group {
        background: var(--surface-variant);
    }

    .toggle-option {
        flex: 1;
        text-align: center;
        padding: 8px 12px;
        border-radius: var(--radius-xs);
        cursor: pointer;
        transition: var(--transition);
        color: var(--on-surface);
        font-weight: 500;
        font-size: 13px;
    }

    .dark-mode .toggle-option {
        color: var(--on-surface);
    }

    .toggle-option.active {
        background: var(--surface);
        box-shadow: var(--elevation-1);
        color: var(--on-surface);
    }

    .dark-mode .toggle-option.active {
        background: var(--surface);
        color: var(--on-surface);
    }


    /* ===== Health Preferences ===== */
    .health-preferences {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    /* ===== Measurements Section ===== */
    .measurements-section {
        margin-bottom: 16px;
        border: 1px solid var(--outline-variant);
        border-radius: var(--radius-sm);
        overflow: hidden;
        transition: var(--transition);
    }

    .measurements-section.open {
        border-color: var(--md-primary);
    }

    .measurements-header {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 10px 14px;
        user-select: none;
        background: var(--surface-variant);
    }

    .measurements-header .svg-icon:first-child svg {
        color: var(--md-primary);
        width: 20px;
        height: 20px;
    }

    .measurements-header span:nth-child(2) {
        font-weight: 600;
        font-size: 14px;
        color: var(--on-surface);
        flex: 1;
    }

    .measurements-badge {
        font-size: 10px;
        padding: 2px 8px;
        border-radius: var(--radius-full);
        background: var(--yellow-container);
        color: var(--yellow);
        font-weight: 600;
        letter-spacing: 0.2px;
    }

    .measurements-desc {
        font-size: 12px;
        color: var(--on-surface-variant);
        padding: 8px 14px 0;
        line-height: 1.4;
    }

    .measurements-body {
        padding: 8px 14px 14px;
        display: block;
        transition: opacity 0.2s ease;
    }

    .measurements-section.disabled .measurements-body {
        opacity: 0.4;
        pointer-events: none;
    }

    .measurements-row {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 10px;
    }

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

    .measurements-row .form-control {
        padding: 8px 10px;
        font-size: 14px;
    }

    .measurements-row .form-label {
        font-size: 12px;
        margin-bottom: 4px;
        font-weight: 500;
    }

    .preference-option {
        display: flex;
        align-items: center;
        padding: 10px 14px;
        border: 2px solid var(--outline-variant);
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: var(--transition);
        background: var(--surface);
    }

    .dark-mode .preference-option {
        background: var(--surface);
        border-color: var(--outline-variant);
    }

    .preference-option.active {
        border-color: var(--primary);
        background: var(--primary-container);
    }

    .dark-mode .preference-option.active {
        background: var(--primary-container);
    }

    .preference-icon {
        width: 40px;
        height: 40px;
        border-radius: var(--radius-xs);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--on-primary-container);
        margin-right: 14px;
        font-size: 18px;
        flex-shrink: 0;
    }

    .vegetarian .preference-icon {
        background: var(--primary-container);
    }

    .keto .preference-icon {
        background: var(--tertiary-container);
    }

    .balanced .preference-icon {
        background: var(--secondary-container);
    }

    .preference-text h4 {
        font-size: 14px;
        margin-bottom: 2px;
        color: var(--on-surface);
        transition: var(--transition);
    }

    .dark-mode .preference-text h4 {
        color: var(--on-surface);
    }

    .preference-text p {
        font-size: 13px;
        color: var(--on-surface-variant);
    }