/* =====================================================================
   KONFIGURATOR DOBORU WTRYSKARKI (konfigurator.html, js/configurator.js)
   Nazwy klas są używane przez znaczniki generowane w JS - zmieniając je,
   zaktualizuj też js/configurator.js.
===================================================================== */

.cfg-section {
    padding-block: clamp(40px, 5vw, 72px) var(--section-y);
    background: var(--c-bg-soft);
}

.configurator-container {
    position: relative;
    width: min(1240px, 100% - 2 * var(--gutter));
    margin: 0 auto;
    padding: clamp(22px, 3.5vw, 48px);
    border-radius: var(--r-xl);
    background: #fff;
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-md);
    color: var(--c-text);
}

.configurator-container h2 {
    margin-bottom: 22px;
    font-size: clamp(22px, 2.4vw, 30px);
    font-weight: 800;
    font-stretch: var(--wide);
    letter-spacing: -0.025em;
}

.configurator-container h3 {
    margin: 26px 0 14px;
    font-size: 18px;
    font-weight: 700;
}

.cfg-hint {
    margin: -6px 0 16px;
    font-size: 13.5px;
    color: var(--c-subtle);
}

/* ---- Wskaźnik kroków ---- */
.cfg-stepper {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    list-style: none;
    margin-bottom: 14px;
}

.cfg-stepper li {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--c-subtle);
    transition: color 0.35s ease;
}

.cfg-step-dot {
    flex-shrink: 0;
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1.5px solid var(--c-line-2);
    background: #fff;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--c-muted);
    transition: background-color 0.4s ease, border-color 0.4s ease, color 0.4s ease, transform 0.5s var(--ease-spring), box-shadow 0.4s ease;
}

.cfg-step-label {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cfg-stepper li.is-active {
    color: var(--c-text);
}

.cfg-stepper li.is-active .cfg-step-dot {
    background: var(--c-ink);
    border-color: var(--c-ink);
    color: #fff;
    transform: scale(1.08);
    box-shadow: 0 0 0 5px rgba(10, 190, 181, 0.18);
}

.cfg-stepper li.is-done {
    color: var(--c-teal-700);
}

.cfg-stepper li.is-done .cfg-step-dot {
    background: var(--c-teal);
    border-color: var(--c-teal);
    color: transparent;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='%23032321' stroke-width='2.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-size: 16px;
    background-position: center;
    background-repeat: no-repeat;
}

@media (max-width: 700px) {
    .cfg-step-label {
        display: none;
    }

    .cfg-stepper li.is-active .cfg-step-label {
        display: block;
    }

    .cfg-stepper {
        grid-template-columns: auto auto auto auto;
        justify-content: space-between;
    }
}

/* ---- Pasek postępu ---- */
.progress-bar-container {
    width: 100%;
    height: 4px;
    margin-bottom: clamp(26px, 3vw, 40px);
    border-radius: 999px;
    background: var(--c-line);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 25%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--c-teal) 0%, var(--c-teal-300) 50%, var(--c-teal) 100%);
    background-size: 200% 100%;
    animation: moveGradient 2s linear infinite reverse;
    transition: width 0.7s var(--ease-expo);
}

@keyframes moveGradient {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
}

/* ---- Kroki ---- */
.step-content {
    display: none;
}

.step-content.active {
    display: block;
}

.step-content.is-entering {
    animation: stepIn 0.6s var(--ease-expo) both;
}

@keyframes stepIn {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: none; }
}

/* Informacja dla serii bez doboru online */
.cfg-notice {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    margin-top: 22px;
    padding: 18px 20px;
    border-radius: var(--r-md);
    background: #fff8e6;
    border: 1px solid #f3d27a;
    color: #5c4300;
}

.cfg-notice[hidden] {
    display: none;
}

.cfg-notice > svg {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    margin-top: 1px;
    color: #b98a00;
}

.cfg-notice p {
    margin-top: 4px;
    font-size: 14.5px;
}

.cfg-notice-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

/* Krok 2 (kalkulator): informacja o fazie testów, tuż pod nagłówkiem */
.cfg-notice--beta {
    align-items: center;
    margin: -6px 0 22px;
    padding: 12px 16px;
}

.cfg-notice--beta > svg {
    width: 20px;
    height: 20px;
    margin-top: 0;
}

.cfg-notice--beta p {
    margin-top: 0;
    font-size: 14px;
}

.cfg-notice.is-shaking {
    animation: noticeIn 0.6s var(--ease-spring) both;
}

@keyframes noticeIn {
    from { opacity: 0; transform: translateY(10px) scale(0.98); }
    to { opacity: 1; transform: none; }
}

/* ---- Krok 1: karty typów + podgląd 360° ---- */
.step1-layout {
    display: grid;
    grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 40px);
    margin: 10px 0 0;
}

.machine-cards-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    border: 0;
    min-width: 0;
}

.machine-card {
    position: relative;
    display: block;
    padding: 13px 16px 13px 46px;
    border-radius: 14px;
    border: 1.5px solid var(--c-line-2);
    background: #fff;
    cursor: pointer;
    transition: border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.35s ease, transform 0.45s var(--ease-out);
}

/* Własny "radio" po lewej stronie karty */
.machine-card::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 50%;
    width: 18px;
    height: 18px;
    margin-top: -9px;
    border-radius: 50%;
    border: 2px solid var(--c-line-2);
    background: #fff;
    transition: border-color 0.3s ease, border-width 0.3s var(--ease-spring);
}

.machine-card:hover {
    border-color: rgba(10, 190, 181, 0.6);
    transform: translateX(3px);
}

.machine-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.machine-card:has(input:focus-visible) {
    outline: 2px solid var(--c-teal);
    outline-offset: 3px;
}

.machine-card.is-selected,
.machine-card:has(input[type="radio"]:checked) {
    border-color: transparent;
    background:
        linear-gradient(#f0faf9, #f0faf9) padding-box,
        conic-gradient(from var(--border-angle), #0abeb5 0%, #6be6de 10%, #0abeb5 20%, #0abeb5 100%) border-box;
    box-shadow: 0 8px 22px -10px rgba(10, 190, 181, 0.55);
    animation: runBorderLight 2.4s linear infinite;
}

.machine-card.is-selected::before,
.machine-card:has(input:checked)::before {
    border-color: var(--c-teal);
    border-width: 6px;
}

.card-body {
    display: block;
}

.card-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 10px;
    font-size: 16px;
    font-weight: 800;
    color: var(--c-text);
}

.card-range {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--c-muted);
    white-space: nowrap;
}

.machine-card .sub {
    display: block;
    margin-top: 2px;
    font-size: 13px;
    font-weight: 600;
    color: var(--c-teal-700);
}

.step1-viewer {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: clamp(16px, 2.5vw, 28px);
    border-radius: var(--r-lg);
    background:
        radial-gradient(60% 60% at 50% 55%, #ffffff 0%, rgba(255, 255, 255, 0) 75%),
        var(--c-bg-soft);
    min-width: 0;
}

.step1-viewer-name {
    margin: 0 0 6px !important;
    font-size: clamp(30px, 3.4vw, 44px) !important;
    font-weight: 800 !important;
    font-stretch: var(--wide);
    letter-spacing: -0.03em;
    text-align: center;
}

.step1-viewer-desc {
    max-width: 620px;
    margin-bottom: 12px;
    font-size: 14.5px;
    line-height: 1.55;
    color: var(--c-muted);
    text-align: center;
}

.step1-viewer .viewer360-stage {
    width: 100%;
    max-width: 784px;
}

.step1-viewer .viewer360-slider-row {
    width: 100%;
    max-width: 392px;
}

@media (max-width: 860px) {
    .step1-layout {
        grid-template-columns: 1fr;
    }

    .step1-viewer {
        order: -1;
    }
}

/* ---- Przyciski nawigacji między krokami ---- */
.btn-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 30px;
}

.step1-next-choice {
    display: flex;
    align-items: center;
    gap: 14px;
}

.step1-next-or {
    font-size: 14px;
    font-weight: 600;
    color: var(--c-subtle);
}

.btn-next,
.btn-prev {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 50px;
    padding: 0 24px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.35s var(--ease-out), box-shadow 0.35s ease;
}

.btn-next svg,
.btn-prev svg {
    width: 18px;
    height: 18px;
}

.btn-next {
    background: var(--c-ink);
    border: 1.5px solid var(--c-ink);
    color: #fff;
    box-shadow: 0 10px 24px -14px rgba(10, 14, 19, 0.7);
}

.btn-next:hover {
    background: var(--c-teal);
    border-color: var(--c-teal);
    color: #032321;
    transform: translateY(-2px);
    box-shadow: var(--shadow-teal);
}

.btn-prev {
    background: #fff;
    border: 1.5px solid var(--c-line-2);
    color: var(--c-text-2);
}

.btn-prev:hover {
    border-color: var(--c-ink);
    color: var(--c-ink);
}

.btn-next:active,
.btn-prev:active {
    transform: scale(0.97);
}

@media (max-width: 600px) {
    .step1-next-choice {
        flex: 1;
        gap: 8px;
    }

    .step1-next-choice .btn-next {
        flex: 1 1 0;
        min-width: 0;
        padding: 0 12px;
        font-size: 14px;
    }

    .step1-next-or {
        font-size: 13px;
    }

    #step1 .btn-group > span:first-child {
        display: none;
    }
}

/* ---- Krok 2: formularz kalkulatora ---- */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 10px;
}

.form-section {
    padding: 20px;
    border-radius: var(--r-md);
    background: var(--c-bg-soft);
    border: 1px solid var(--c-line);
}

.form-section h3 {
    margin: 0 0 16px !important;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--c-teal);
    font-size: 16px !important;
}

.form-section .form-group input:not([type="checkbox"]),
.form-section .form-group select {
    min-height: 46px;
    padding-block: 10px;
}

.checkbox-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    font-size: 14px;
    font-weight: 600;
}

.checkbox-inline label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-inline input {
    width: 18px;
    height: 18px;
}

.density-row-inner {
    display: flex;
    gap: 8px;
    align-items: center;
}

.density-row-inner input {
    flex: 1;
    min-width: 0;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    padding: 0 16px;
    border-radius: 12px;
    background: var(--c-ink);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    transition: background-color 0.25s ease;
}

.btn-secondary:hover {
    background: var(--c-ink-4);
}

.btn-small {
    height: 46px;
    padding: 0 14px;
    font-size: 13px;
    white-space: nowrap;
}

/* Przycisk "DOBIERZ WTRYSKARKĘ" i podobne (generowane w JS) */
.btn-primary {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 54px;
    padding: 0 30px;
    border-radius: 999px;
    background: var(--grad-teal);
    color: #032321;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.04em;
    box-shadow: var(--shadow-teal);
    transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px -12px rgba(10, 190, 181, 0.8);
}

.btn-primary:active {
    transform: scale(0.97);
}

/* Fala przesuwająca się po przycisku */
.btn-wave {
    overflow: hidden;
    isolation: isolate;
}

.btn-wave-label {
    position: relative;
    z-index: 1;
}

.btn-wave::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.45) 50%, rgba(255, 255, 255, 0) 100%);
    background-size: 200% 100%;
    animation: moveGradient 2.4s linear infinite reverse;
    pointer-events: none;
}

.action-calc-bar {
    margin: 22px 0;
}

.cfg-actions {
    justify-content: flex-start;
}

/* ---- Krok 2: okna kalkulatora ---- */
.step2-tech-layout {
    margin: 10px 0 20px;
}

.step2-tech-blocks {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.step2-tech-block {
    padding: clamp(18px, 2.5vw, 28px);
    border-radius: var(--r-lg);
    background: #fff;
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
    animation: stepIn 0.6s var(--ease-expo) both;
}

.step2-tech-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 18px;
}

.step2-tech-block-header h3 {
    margin: 0 !important;
    font-size: 19px !important;
}

.results-box {
    padding: 20px;
    border-radius: var(--r-md);
    background: var(--c-bg-tint);
    border: 1px solid rgba(10, 190, 181, 0.35);
    animation: stepIn 0.6s var(--ease-expo) both;
}

.results-box .form-group label {
    color: var(--c-teal-900);
}

.large-select {
    border-color: var(--c-teal) !important;
    font-weight: 700;
}

.calc-details {
    font-size: 14.5px;
    line-height: 1.6;
}

.calc-details ul {
    display: grid;
    gap: 6px;
    padding-left: 0;
    list-style: none;
}

.calc-details li {
    position: relative;
    padding-left: 16px;
    color: var(--c-text-2);
}

.calc-details li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.62em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-teal);
}

.step2-suggested-model {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px 10px;
    margin: 18px 0 20px;
    padding: 14px 18px;
    border-radius: 12px;
    background: var(--c-ink);
    color: var(--c-on-dark-2);
    font-size: 14px;
}

.step2-suggested-model-top {
    margin-top: 0;
}

.step2-suggested-model-label {
    font-weight: 600;
}

.step2-suggested-model-name {
    font-size: 22px;
    font-weight: 800;
    font-stretch: var(--wide);
    color: var(--c-teal-300);
}

.step2-tech-results-row {
    grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.step2-tech-results-row .results-box {
    margin-bottom: 0;
}

@media (max-width: 760px) {
    .step2-tech-results-row {
        grid-template-columns: 1fr;
    }
}

/* ---- Karta danych wybranej maszyny ---- */
.step2-spec-card {
    position: relative;
    padding: 22px;
    border-radius: var(--r-md);
    background: #fff;
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
}

.step2-spec-card:empty {
    display: none;
}

.step2-spec-card.is-placeholder {
    display: grid;
    place-items: center;
    min-height: 140px;
    border-style: dashed;
    border-width: 1.5px;
    background: var(--c-bg-soft);
    box-shadow: none;
}

.step2-list-specs-placeholder {
    margin: 0;
    padding-right: 38px;
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--c-muted);
    text-align: center;
}

.step2-placeholder-header {
    position: absolute;
    top: 14px;
    right: 14px;
}

.step2-spec-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 14px;
}

.step2-spec-card-titles h3 {
    margin: 0 0 4px !important;
    font-size: 24px !important;
    font-weight: 800 !important;
    font-stretch: var(--wide);
    letter-spacing: -0.02em;
}

.step2-list-specs-sub {
    font-size: 13px;
    font-weight: 700;
    color: var(--c-teal-700);
}

/* Licznik sztuk (- / pole / +) i kosz */
.step2-qty-stepper {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.step2-qty-btn,
.step2-remove-btn {
    display: grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: 9px;
    border: 1.5px solid var(--c-line-2);
    background: #fff;
    color: var(--c-text);
    font-size: 17px;
    font-weight: 700;
    line-height: 1;
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, transform 0.3s var(--ease-spring);
}

.step2-qty-btn:hover {
    border-color: var(--c-teal);
    background: var(--c-bg-tint);
}

.step2-qty-btn:active,
.step2-remove-btn:active {
    transform: scale(0.88);
}

.step2-remove-btn {
    margin-left: 6px;
}

.step2-remove-btn svg {
    display: block;
}

.step2-remove-btn:hover {
    border-color: var(--c-red);
    background: #fdf0f0;
    color: var(--c-red);
}

.step2-qty-input {
    width: 46px;
    height: 32px;
    border-radius: 9px;
    border: 1.5px solid var(--c-line-2);
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--c-text);
}

.step2-qty-input:focus {
    outline: none;
    border-color: var(--c-teal);
    box-shadow: 0 0 0 3px rgba(10, 190, 181, 0.18);
}

.step2-list-specs-table {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.step2-list-specs-table li {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--c-line);
    font-size: 14px;
}

.step2-list-specs-table li:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.step2-list-specs-table li span {
    color: var(--c-muted);
}

.step2-list-specs-table li strong {
    color: var(--c-text);
    text-align: right;
    white-space: nowrap;
}

/* Przycisk rozwijania pełnej specyfikacji */
.step2-details-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    margin-top: 14px;
    padding: 12px 0 0;
    border-top: 1px solid var(--c-line);
    color: var(--c-teal-700);
    font-size: 13.5px;
    font-weight: 700;
    transition: color 0.2s ease;
}

.step2-details-toggle:hover {
    color: var(--c-teal);
}

.step2-details-toggle-arrow {
    flex-shrink: 0;
    animation: pulseGlow 1.8s infinite ease-in-out;
    transition: transform 0.35s var(--ease-out);
}

.step2-details-toggle.is-expanded .step2-details-toggle-arrow {
    animation: none;
    transform: rotate(180deg);
}

/* Pełne dane techniczne w 3 kolumnach */
.step2-tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 16px;
}

/* Animacja tylko w chwili rozwinięcia (klasę dodaje toggleStep2Details) -
   nie przy każdym odświeżeniu karty, np. po zmianie liczby maszyn */
.step2-tech-grid.is-entering {
    animation: stepIn 0.5s var(--ease-expo) both;
}

.step2-tech-col {
    padding: 0 14px;
}

.step2-tech-col:first-child {
    padding-left: 0;
}

.step2-tech-col:not(:first-child) {
    border-left: 2px solid var(--c-teal);
}

.step2-tech-col-title {
    margin: 0 0 10px;
    font-size: 12.5px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-teal-700);
}

.step2-tech-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.step2-tech-list li {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.step2-tech-list li span {
    font-size: 12px;
    line-height: 1.25;
    color: var(--c-subtle);
}

.step2-tech-list li strong {
    font-size: 14.5px;
    line-height: 1.3;
    color: var(--c-text);
}

@media (max-width: 768px) {
    .step2-tech-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .step2-tech-col {
        padding: 0;
    }

    .step2-tech-col:not(:first-child) {
        border-left: 0;
        border-top: 2px solid var(--c-teal);
        padding-top: 10px;
    }
}

/* Pulsujący "+ Dodaj kolejny model" */
.step2-add-model-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    align-self: flex-start;
    height: 44px;
    padding: 0 18px 0 10px;
    border-radius: 999px;
    border: 1.5px dashed rgba(10, 190, 181, 0.6);
    color: var(--c-teal-700);
    font-size: 14px;
    font-weight: 700;
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

.step2-add-model-btn:hover {
    background: var(--c-bg-tint);
    border-style: solid;
}

/* Kółko z plusem: "+" rysowany dwiema kreskami dokładnie na środku (znak
   z czcionki siedzi niżej i drga przy skalowaniu), a puls to rozchodzący się
   pierścień - samo kółko i plus się nie skalują, więc są ostre i równe */
.step2-add-model-btn .pulse-plus {
    position: relative;
    display: block;
    flex: none;
    width: 26px;
    height: 26px;
    margin: 0;
    border-radius: 50%;
    background: var(--c-teal);
    color: transparent;
    font-size: 0;
    animation: addPlusRing 1.8s ease-out infinite;
}

.step2-add-model-btn .pulse-plus::before,
.step2-add-model-btn .pulse-plus::after {
    content: '';
    position: absolute;
    left: 7px;
    top: 12px;
    width: 12px;
    height: 2px;
    border-radius: 1px;
    background: #032321;
}

.step2-add-model-btn .pulse-plus::after {
    left: 12px;
    top: 7px;
    width: 2px;
    height: 12px;
}

@keyframes addPlusRing {
    0% { box-shadow: 0 0 0 0 rgba(10, 190, 181, 0.55); }
    70%, 100% { box-shadow: 0 0 0 9px rgba(10, 190, 181, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .step2-add-model-btn .pulse-plus {
        animation: none;
    }
}

/* ---- Krok 2: wybór z listy ---- */
.step2-list-layout {
    position: relative;
    display: grid;
    grid-template-columns: minmax(230px, 280px) minmax(0, 1fr);
    gap: 18px;
    margin: 10px 0 20px;
    align-items: start;
}

.step2-list-specs {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.step2-list-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 560px;
    overflow-y: auto;
    padding-right: 6px;
    scrollbar-width: thin;
    scrollbar-color: var(--c-line-2) transparent;
}

.step2-list-model-row {
    position: relative;
    display: flex;
    align-items: flex-start;
}

.step2-list-model-bar {
    position: relative;
    z-index: 2;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 13px 16px;
    border-radius: 12px;
    border: 1.5px solid var(--c-line-2);
    background: #fff;
    text-align: left;
    transition: border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease, transform 0.35s var(--ease-out);
}

.step2-list-model-row:hover .step2-list-model-bar,
.step2-list-model-row.is-expanded .step2-list-model-bar,
.step2-list-model-row:focus-within .step2-list-model-bar {
    border-color: var(--c-teal);
    transform: translateX(3px);
}

.step2-list-model-row.has-selected .step2-list-model-bar {
    border-color: transparent;
    background:
        linear-gradient(#f0faf9, #f0faf9) padding-box,
        conic-gradient(from var(--border-angle), #0abeb5 0%, #6be6de 10%, #0abeb5 20%, #0abeb5 100%) border-box;
    box-shadow: 0 8px 20px -10px rgba(10, 190, 181, 0.55);
    animation: runBorderLight 2.4s linear infinite;
}

.step2-list-model-name {
    font-size: 15px;
    font-weight: 800;
    color: var(--c-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.step2-list-model-arrow {
    flex-shrink: 0;
    font-size: 20px;
    font-weight: 700;
    line-height: 1;
    color: var(--c-teal);
    animation: step2ModelArrowBlink 1.4s ease-in-out infinite;
}

@keyframes step2ModelArrowBlink {
    0%, 100% { opacity: 1; transform: translateX(0); }
    50% { opacity: 0.3; transform: translateX(3px); }
}

/* Wysuwane menu agregatów (pozycjonowane w JS) */
.step2-units-flyout {
    position: absolute;
    z-index: 30;
    width: 240px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    border-radius: 14px;
    background: #fff;
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transform: translateX(-8px) scale(0.98);
    transform-origin: left top;
    transition: opacity 0.22s ease, transform 0.3s var(--ease-out);
}

.step2-units-flyout.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: none;
}

.step2-list-unit-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    padding: 9px 12px;
    border-radius: 9px;
    border: 1.5px solid var(--c-line);
    background: #fff;
    text-align: left;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.step2-list-unit-item:hover {
    border-color: var(--c-teal);
    background: var(--c-bg-tint);
}

.step2-list-unit-item.is-selected {
    border-color: var(--c-teal);
    background: var(--c-bg-tint);
}

.step2-list-unit-name {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--c-text);
}

.step2-list-unit-screw {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--c-teal-700);
    white-space: nowrap;
}

@media (max-width: 860px) {
    .step2-list-layout {
        grid-template-columns: 1fr;
    }

    .step2-list-specs {
        position: static;
    }

    .step2-list-items {
        max-height: 360px;
    }

    .step2-desktop-only-text {
        display: none;
    }

    .step2-units-flyout {
        transform: translateY(-8px);
        transform-origin: top center;
    }

    .step2-units-flyout.is-open {
        transform: none;
    }
}

/* ---- Krok 3: wyposażenie i opcje ---- */
.step3-std-machines-list {
    color: var(--c-teal-700);
    font-weight: 600;
}

.options-columns-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 22px;
}

.option-col {
    padding: 18px;
    border-radius: var(--r-md);
    background: var(--c-bg-soft);
    border: 1px solid var(--c-line);
    min-width: 0;
}

.option-col h4 {
    margin: 0 0 10px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--c-teal);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--c-teal-700);
}

.option-col ul {
    padding-left: 0;
    font-size: 13.5px;
    line-height: 1.5;
    list-style: none;
}

.option-col ul li {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    padding: 5px 6px;
    margin: 0 -6px;
    border-radius: 6px;
    border-bottom: 1px dashed var(--c-line);
    transition: background-color 0.2s ease;
}

.option-col ul li:hover {
    background: #fff;
}

.option-col ul li:last-child {
    border-bottom: 0;
}

.opt-num {
    flex: 0 0 auto;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    color: var(--c-teal-700);
    padding-top: 1px;
}

.opt-text {
    flex: 1 1 auto;
    min-width: 0;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 10px;
    border: 1.5px solid var(--c-line);
    background: #fff;
    font-size: 13.5px;
    line-height: 1.45;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.checkbox-item:hover {
    border-color: rgba(10, 190, 181, 0.55);
}

.checkbox-item:has(input:checked) {
    border-color: var(--c-teal);
    background: var(--c-bg-tint);
}

.checkbox-item input[type="checkbox"] {
    flex: 0 0 auto;
    width: 17px;
    height: 17px;
    margin-top: 1px;
}

.option-col ul li,
.checkbox-item {
    cursor: help;
}

.checkbox-item {
    cursor: pointer;
}

.checkbox-item input {
    cursor: pointer;
}

/* Przycisk "PL" - tłumaczenie opcji dodatkowej na ekranach dotykowych
   (stuknięcie nie zaznacza opcji); na komputerze wystarcza najechanie myszką */
.opt-translate-btn {
    display: none;
    flex: 0 0 auto;
    align-self: center;
    min-width: 34px;
    height: 26px;
    margin: -2px -4px -2px auto;
    padding: 0 8px;
    border-radius: 999px;
    border: 1.5px solid rgba(10, 190, 181, 0.55);
    background: #fff;
    color: var(--c-teal-700);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.06em;
    cursor: pointer;
}

@media (hover: none), (pointer: coarse) {
    .opt-translate-btn {
        display: inline-grid;
        place-items: center;
    }
}

/* Dymek z tłumaczeniem (position: fixed w <body>, pozycja z JS - tuż nad
   angielskim tekstem, z dzióbkiem wskazującym jego początek) */
.step3-option-tooltip {
    --arrow-x: 18px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 60;
    width: max-content;
    max-width: min(300px, calc(100vw - 16px));
    padding: 9px 13px;
    border-radius: 10px;
    background: var(--c-ink);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transform: translateY(4px) scale(0.98);
    transform-origin: var(--arrow-x) 100%;
    transition: opacity 0.15s ease, transform 0.2s var(--ease-out);
}

.step3-option-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: calc(var(--arrow-x) - 6px);
    border: 6px solid transparent;
    border-top-color: var(--c-ink);
}

.step3-option-tooltip.is-below {
    transform: translateY(-4px) scale(0.98);
    transform-origin: var(--arrow-x) 0;
}

.step3-option-tooltip.is-below::after {
    top: auto;
    bottom: 100%;
    border-top-color: transparent;
    border-bottom-color: var(--c-ink);
}

.step3-option-tooltip.is-open {
    opacity: 1;
    transform: none;
}

.step3-option-tooltip.no-arrow::after {
    display: none;
}

/* Dymek pozycji ze zdjęciem (OPTION_MEDIA w js/configurator.js): jasny
   panel ze zdjęciem, pod nim tłumaczenie nazwy i krótki opis */
.step3-option-tooltip.has-media {
    width: min(340px, calc(100vw - 16px));
    max-width: none;
    padding: 7px 7px 13px;
    border-radius: 14px;
    font-weight: 500;
}

.opt-tip-media {
    display: grid;
    gap: 8px 6px;
    padding: 10px;
    border-radius: 9px;
    background: #fff;
}

.opt-tip-media.is-pair,
.opt-tip-media.is-grid {
    grid-template-columns: 1fr 1fr;
}

.opt-tip-figure {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
    margin: 0;
}

/* flex (nie grid) - tylko wtedy max-height: 100% zdjęcia liczy się od tej wysokości */
.opt-tip-img {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 176px;
}

.is-pair .opt-tip-img {
    height: 116px;
}

.is-grid .opt-tip-img {
    height: 78px;
}

/* Szerokie zdjęcia (ślimaki) - cały wiersz zamiast połowy */
.opt-tip-figure.is-wide {
    grid-column: 1 / -1;
}

.is-grid .is-wide .opt-tip-img {
    height: 56px;
}

.is-stack .opt-tip-img {
    height: 100px;
}

.is-stack .is-wide .opt-tip-img {
    height: 74px;
}

.opt-tip-img img {
    display: block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.opt-tip-figure figcaption {
    font-size: 10.5px;
    font-weight: 600;
    line-height: 1.25;
    text-align: center;
    color: var(--c-muted);
}

/* Przy jednym zdjęciu podpis powtarzałby tytuł dymka */
.opt-tip-media.is-single figcaption {
    display: none;
}

.opt-tip-body {
    padding: 11px 7px 0;
}

.opt-tip-title {
    padding-left: 9px;
    border-left: 3px solid var(--c-teal);
    font-size: 13.5px;
    font-weight: 700;
    line-height: 1.35;
    color: #fff;
}

.opt-tip-desc {
    margin: 8px 0 0;
    font-size: 12.5px;
    line-height: 1.5;
    color: var(--c-on-dark-2);
}

/* Ikonka przy pozycjach, dla których dymek pokazuje zdjęcie */
.opt-media-badge {
    flex: 0 0 auto;
    display: inline-grid;
    place-items: center;
    width: 22px;
    height: 22px;
    margin: -1px 0 -1px 2px;
    border-radius: 6px;
    background: var(--c-bg-tint);
    color: var(--c-teal-700);
    pointer-events: none;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.option-col ul li:hover .opt-media-badge,
.checkbox-item:hover .opt-media-badge {
    background: var(--c-teal);
    color: #fff;
}

.checkbox-item:has(input:checked) .opt-media-badge {
    background: #fff;
}

.opt-translate-btn.has-media {
    grid-auto-flow: column;
    gap: 5px;
    padding: 0 9px 0 8px;
}

@media (hover: none), (pointer: coarse) {
    /* Na dotyku ikonka zdjęcia jest w przycisku "PL" opcji dodatkowej */
    .checkbox-item .opt-media-badge {
        display: none;
    }

    .option-col ul li:hover .opt-media-badge {
        background: var(--c-bg-tint);
        color: var(--c-teal-700);
    }
}

@media (max-width: 992px) {
    .options-columns-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .options-columns-grid {
        grid-template-columns: 1fr;
    }
}

.machine-highlight-box {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 28px;
    margin-bottom: 18px;
    padding: 14px 20px;
    border-radius: var(--r-md);
    background: var(--c-ink);
    color: var(--c-on-dark-2);
}

.machine-highlight-item {
    font-size: 15px;
}

.machine-highlight-item strong {
    color: #fff;
}

.machine-highlight-label {
    font-weight: 600;
    color: var(--c-teal-300);
}

.machine-highlight-box .step2-qty-btn,
.machine-highlight-box .step2-remove-btn,
.machine-highlight-box .step2-qty-input {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.machine-highlight-box .step2-qty-btn:hover {
    border-color: var(--c-teal-300);
    background: rgba(10, 190, 181, 0.2);
}

.step3-machine-options-block {
    margin-bottom: 32px;
}

.step3-machine-options-block:last-child {
    margin-bottom: 0;
}

.step3-machine-options-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 4px;
}

.step3-machine-options-header .machine-highlight-box {
    flex: 1 1 auto;
    margin-bottom: 14px;
}

.step3-qty-controls {
    margin-left: auto;
}

.step3-apply-all-btn {
    margin-top: 6px;
}

@media (max-width: 600px) {
    .step3-machine-options-header {
        flex-direction: column;
        align-items: stretch;
    }
}

.divider {
    height: 1px;
    margin: 30px 0;
    border: 0;
    background: var(--c-line);
}

/* ---- Krok 4: podsumowanie ---- */
.summary-box {
    margin-bottom: 26px;
    padding: 22px;
    border-radius: var(--r-lg);
    background: var(--c-bg-soft);
    border: 1px solid var(--c-line);
}

.summary-box:has(.step4-machine-block--multi) {
    padding: 0;
    background: transparent;
    border: 0;
}

.summary-box h4 {
    margin: 18px 0 8px;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--c-teal-700);
}

.summary-box h4:first-child {
    margin-top: 0;
}

.summary-box table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14.5px;
}

.summary-box table td {
    padding: 9px 10px;
    border-bottom: 1px solid var(--c-line);
    vertical-align: top;
}

.summary-box table tr:last-child td {
    border-bottom: 0;
}

.summary-box table td:first-child {
    width: 45%;
    color: var(--c-muted);
}

.summary-box ul {
    padding-left: 20px;
    font-size: 14px;
    line-height: 1.6;
}

.step4-summary-title {
    margin-bottom: 16px !important;
}

.step4-machine-block {
    margin-bottom: 28px;
}

.step4-machine-block:last-child {
    margin-bottom: 0;
}

.step4-machine-block--multi {
    padding: 20px 24px;
    border-radius: var(--r-lg);
    background: #fff;
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
}

.step4-machine-block-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 4px;
}

.step4-machine-block-header .machine-highlight-box {
    flex: 1 1 auto;
    margin-bottom: 14px;
}

.step4-edit-btn {
    flex-shrink: 0;
    margin-bottom: 14px;
    white-space: nowrap;
}

.step4-qty-label {
    margin-left: auto;
}

@media (max-width: 600px) {
    .step4-machine-block-header {
        flex-direction: column;
        align-items: stretch;
    }

    .summary-box table td:first-child {
        width: 40%;
    }
}

/* ---- Komunikaty ---- */
.calc-error {
    margin: 14px 0;
    padding: 12px 16px;
    border-radius: 12px;
    background: #fdeeee;
    border: 1px solid #f3c1bc;
    color: var(--c-red-600);
    font-size: 14.5px;
    font-weight: 600;
    animation: stepIn 0.4s var(--ease-expo) both;
}

.calc-warning {
    margin-top: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    background: #fff8e1;
    border: 1px solid #f0c419;
    color: #7a5d00;
    font-size: 13.5px;
}

/* Dopasowanie dawki do wybranego agregatu (pod listą agregatów w kalkulatorze) */
.calc-shot-info {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--c-muted);
}

.calc-shot-info:empty {
    display: none;
}

.calc-shot-ok {
    font-weight: 700;
    color: var(--c-teal-700);
}

.calc-shot-warn {
    font-weight: 700;
    color: #7a5d00;
}

.calc-shot-bad {
    font-weight: 700;
    color: var(--c-red-600);
}

.confirm-box {
    margin-top: 18px;
    padding: 18px 20px;
    border-radius: var(--r-md);
    background: #fff8e1;
    border: 1px solid #f0c419;
    animation: stepIn 0.45s var(--ease-expo) both;
}

.confirm-box p {
    font-weight: 600;
    color: #5c4300;
}

.confirm-actions {
    justify-content: flex-end;
    margin-top: 14px;
}

.btn[aria-busy="true"] .btn-icon {
    animation: busyBounce 0.8s ease-in-out infinite;
}

@keyframes busyBounce {
    50% { transform: translateY(3px); }
}