/* ==========================================================================
   KOZZAK WHEEL CONFIGURATOR — Premium dark theme
   Wszystkie style zaprefiksowane .kzk- żeby nie kolidowały z motywem WP.
   ========================================================================== */

.kzk-configurator,
.kzk-configurator * {
    box-sizing: border-box;
}

.kzk-configurator {
    /* Design tokens */
    --kzk-bg: #0a0a0a;
    --kzk-bg-elevated: #141414;
    --kzk-bg-card: #1a1a1a;
    --kzk-bg-card-hover: #222;
    --kzk-border: #2a2a2a;
    --kzk-border-strong: #3a3a3a;
    --kzk-text: #f5f5f5;
    --kzk-text-dim: #a0a0a0;
    --kzk-text-muted: #6a6a6a;
    --kzk-accent: #C9A961;        /* Złoto Kozzak */
    --kzk-accent-hover: #d4b673;
    --kzk-accent-dim: rgba(201, 169, 97, 0.12);
    --kzk-danger: #ff4757;
    --kzk-success: #2ed573;

    --kzk-radius: 12px;
    --kzk-radius-lg: 20px;
    --kzk-radius-sm: 8px;

    --kzk-shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    --kzk-shadow-glow: 0 0 40px rgba(201, 169, 97, 0.15);

    --kzk-font-display: 'Bebas Neue', 'Arial Narrow', sans-serif;
    --kzk-font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;

    --kzk-ease: cubic-bezier(0.4, 0, 0.2, 1);
    --kzk-ease-out: cubic-bezier(0.16, 1, 0.3, 1);

    background: var(--kzk-bg);
    color: var(--kzk-text);
    font-family: var(--kzk-font-body);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background 0.3s var(--kzk-ease), color 0.3s var(--kzk-ease);
}

/* === LIGHT MODE === Override tokenów dla trybu jasnego.
   Gold accent zachowany - definiuje brand KOZZAK. */
.kzk-configurator.is-light {
    --kzk-bg: #ffffff;
    --kzk-bg-elevated: #f8f9fa;
    --kzk-bg-card: #ffffff;
    --kzk-bg-card-hover: #f5f5f5;
    --kzk-border: #e6e6e6;
    --kzk-border-strong: #d0d0d0;
    --kzk-text: #1a1a1a;
    --kzk-text-dim: #5a5a5a;
    --kzk-text-muted: #9a9a9a;
    --kzk-accent: #b89348;
    --kzk-accent-hover: #a07d39;
    --kzk-accent-dim: rgba(184, 147, 72, 0.1);
    --kzk-shadow-lg: 0 12px 32px -8px rgba(0, 0, 0, 0.15);
    --kzk-shadow-glow: 0 0 32px rgba(184, 147, 72, 0.12);
}

/* W light mode mocniejsze ramki na kartach (na białym tle mniej kontrastu) */
.kzk-configurator.is-light .kzk-category-card,
.kzk-configurator.is-light .kzk-option,
.kzk-configurator.is-light .kzk-panel,
.kzk-configurator.is-light .kzk-preset-group {
    border-color: #e0e0e0;
}

/* Light mode: zostaw poświatę bardzo subtelną */
.kzk-configurator.is-light::before {
    background:
        radial-gradient(circle at 20% 20%, rgba(184, 147, 72, 0.04), transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(184, 147, 72, 0.03), transparent 50%);
}

/* Wheel preview (SVG) zostaje ciemny - wygląda premium na białym tle jak photoshoot.
   Dla spójności kropka piasty użyje accent z trybu */

/* Tło z subtelnym noise + radial gradient */
.kzk-configurator::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(201, 169, 97, 0.04), transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(201, 169, 97, 0.03), transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.kzk-configurator > * {
    position: relative;
    z-index: 1;
}

/* ==========================================================================
   TYPOGRAFIA
   ========================================================================== */
.kzk-display {
    font-family: var(--kzk-font-display);
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: 0.95;
    letter-spacing: -0.02em;
    margin: 0 0 1rem;
    color: var(--kzk-text);
}

.kzk-eyebrow {
    display: inline-block;
    font-family: var(--kzk-font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--kzk-accent);
    margin-bottom: 1.5rem;
    padding: 0.4rem 0.9rem;
    border: 1px solid var(--kzk-accent-dim);
    border-radius: 100px;
    background: var(--kzk-accent-dim);
}

.kzk-lead {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--kzk-text-dim);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================================================
   KATEGORIA - WYBÓR
   ========================================================================== */
.kzk-category-picker {
    padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 4vw, 3rem);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.kzk-category-picker__inner {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.kzk-category-picker__heading {
    text-align: center;
    margin-bottom: clamp(2rem, 5vw, 4rem);
    animation: kzkFadeUp 0.8s var(--kzk-ease-out);
}

.kzk-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: clamp(1rem, 2vw, 1.5rem);
}

.kzk-category-card {
    position: relative;
    background: linear-gradient(135deg, var(--kzk-bg-elevated) 0%, var(--kzk-bg-card) 100%);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius-lg);
    padding: 2rem 1.5rem;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    color: inherit;
    overflow: hidden;
    transition: all 0.4s var(--kzk-ease-out);
    animation: kzkFadeUp 0.8s var(--kzk-ease-out) backwards;
}

.kzk-category-card:nth-child(1) { animation-delay: 0.1s; }
.kzk-category-card:nth-child(2) { animation-delay: 0.2s; }
.kzk-category-card:nth-child(3) { animation-delay: 0.3s; }
.kzk-category-card:nth-child(4) { animation-delay: 0.4s; }

.kzk-category-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, var(--kzk-accent-dim), transparent 60%);
    opacity: 0;
    transition: opacity 0.4s var(--kzk-ease);
}

.kzk-category-card:hover {
    transform: translateY(-6px);
    border-color: var(--kzk-accent);
    box-shadow: var(--kzk-shadow-lg), var(--kzk-shadow-glow);
}

.kzk-category-card:hover::before {
    opacity: 1;
}

.kzk-category-card__visual {
    width: 100px;
    height: 100px;
    color: var(--kzk-accent);
    margin-bottom: 1.5rem;
    transition: transform 0.6s var(--kzk-ease-out);
}

.kzk-category-card:hover .kzk-category-card__visual {
    transform: rotate(90deg);
}

.kzk-category-card__visual svg {
    width: 100%;
    height: 100%;
}

.kzk-category-card__name {
    font-family: var(--kzk-font-display);
    font-size: 2rem;
    margin: 0 0 0.5rem;
    letter-spacing: 0.01em;
    color: var(--kzk-text);
}

.kzk-category-card__tagline {
    color: var(--kzk-text-dim);
    font-size: 0.95rem;
    margin: 0 0 1.5rem;
    min-height: 3em;
}

.kzk-category-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--kzk-accent);
    transition: gap 0.3s var(--kzk-ease);
    position: relative;
    z-index: 1;
}

.kzk-category-card:hover .kzk-category-card__cta {
    gap: 1rem;
}

/* ==========================================================================
   BUILDER - GŁÓWNY UI
   ========================================================================== */
.kzk-builder {
    min-height: 100vh;
    padding-bottom: 6rem;
}

/* TOPBAR ----------------------------------------------- */
.kzk-topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 10, 0.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--kzk-border);
}

.kzk-topbar__inner {
    max-width: 1600px;
    margin: 0 auto;
    padding: 1rem clamp(1rem, 3vw, 2rem);
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 2rem;
}

.kzk-topbar__back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--kzk-border);
    color: var(--kzk-text-dim);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s var(--kzk-ease);
}

.kzk-topbar__back:hover {
    border-color: var(--kzk-accent);
    color: var(--kzk-accent);
}

/* THEME TOGGLE - przełącznik dark/light w topbar */
.kzk-theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--kzk-border);
    border-radius: 100px;
    color: var(--kzk-text-dim);
    cursor: pointer;
    transition: all 0.25s var(--kzk-ease);
    flex-shrink: 0;
}

.kzk-theme-toggle:hover {
    border-color: var(--kzk-accent);
    color: var(--kzk-accent);
    transform: scale(1.05);
}

.kzk-theme-toggle svg {
    width: 18px;
    height: 18px;
}

/* Ikona sun pokazana w dark mode, moon w light mode */
.kzk-theme-toggle .kzk-theme-toggle__sun { display: none; }
.kzk-theme-toggle .kzk-theme-toggle__moon { display: block; }
.kzk-configurator.is-light .kzk-theme-toggle .kzk-theme-toggle__sun { display: block; }
.kzk-configurator.is-light .kzk-theme-toggle .kzk-theme-toggle__moon { display: none; }

/* Wariant floating - dla ekranu kategorii (top-right) */
.kzk-theme-toggle--floating {
    position: absolute;
    top: clamp(1rem, 3vw, 2rem);
    right: clamp(1rem, 3vw, 2rem);
    z-index: 10;
}

/* PROGRESS STEPS ----------------------------------------------- */
.kzk-topbar__progress {
    display: flex;
    justify-content: center;
}

.kzk-steps {
    list-style: none;
    display: flex;
    gap: clamp(0.5rem, 1.5vw, 1.5rem);
    margin: 0;
    padding: 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.kzk-steps::-webkit-scrollbar { display: none; }

.kzk-steps__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--kzk-text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    transition: color 0.3s var(--kzk-ease);
    white-space: nowrap;
    position: relative;
    padding: 0.25rem 0;
}

.kzk-steps__item::after {
    content: '';
    position: absolute;
    bottom: -1.05rem;
    left: 0;
    right: 0;
    height: 2px;
    background: transparent;
    transition: background 0.3s var(--kzk-ease);
}

.kzk-steps__item.is-active {
    color: var(--kzk-text);
}

.kzk-steps__item.is-active::after {
    background: var(--kzk-accent);
}

.kzk-steps__item.is-completed {
    color: var(--kzk-accent);
}

.kzk-steps__item:hover:not(.is-active) {
    color: var(--kzk-text-dim);
}

.kzk-steps__num {
    font-family: var(--kzk-font-display);
    font-size: 1rem;
    letter-spacing: 0.05em;
}

.kzk-steps__label {
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* TOPBAR META (waga + cena) ----------------------------------------------- */
.kzk-topbar__meta {
    display: flex;
    gap: 1rem;
}

.kzk-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding: 0.5rem 1rem;
    background: var(--kzk-bg-card);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius-sm);
    min-width: 80px;
}

.kzk-meta__label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--kzk-text-muted);
}

.kzk-meta__value {
    font-family: var(--kzk-font-display);
    font-size: 1.2rem;
    color: var(--kzk-text);
    line-height: 1.2;
    transition: color 0.3s var(--kzk-ease);
}

.kzk-meta--price .kzk-meta__value {
    color: var(--kzk-accent);
}

.kzk-meta__value.is-updating {
    animation: kzkPulse 0.4s var(--kzk-ease);
}

/* STAGE LAYOUT ----------------------------------------------- */
.kzk-stage {
    padding: clamp(1.5rem, 4vw, 3rem) clamp(1rem, 3vw, 2rem) 0;
}

.kzk-stage__inner {
    max-width: 1600px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(280px, 480px) 1fr;
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
}

/* PREVIEW (LEWA STRONA) ----------------------------------------------- */
.kzk-preview {
    position: relative;
}

.kzk-preview__sticky {
    position: sticky;
    top: 110px;
}

.kzk-preview__category-label {
    font-family: var(--kzk-font-display);
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    color: var(--kzk-accent);
    text-transform: uppercase;
    text-align: center;
    margin-bottom: 1rem;
}

.kzk-wheel {
    position: relative;
    aspect-ratio: 1;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}

.kzk-wheel__svg {
    width: 100%;
    height: 100%;
    animation: kzkSpin 60s linear infinite;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.4));
    transition: filter 0.4s var(--kzk-ease);
}

.kzk-wheel:hover .kzk-wheel__svg {
    animation-play-state: paused;
    filter: drop-shadow(0 20px 60px rgba(201, 169, 97, 0.3));
}

.kzk-wheel__shine {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.08), transparent 60%);
    pointer-events: none;
    border-radius: 50%;
}

/* Stats pod kołem */
.kzk-preview__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-top: 2rem;
    padding: 1rem;
    background: var(--kzk-bg-card);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius);
}

.kzk-stat {
    text-align: center;
    padding: 0.5rem 0.25rem;
}

.kzk-stat__label {
    display: block;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--kzk-text-muted);
    margin-bottom: 0.25rem;
}

.kzk-stat__value {
    display: block;
    font-family: var(--kzk-font-display);
    font-size: 1.1rem;
    color: var(--kzk-text);
    letter-spacing: 0.02em;
}

/* Progress bar */
.kzk-preview__summary {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--kzk-bg-card);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius);
}

.kzk-preview__summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--kzk-text-dim);
    margin-bottom: 0.75rem;
}

.kzk-preview__summary-progress {
    font-family: var(--kzk-font-display);
    color: var(--kzk-accent);
    letter-spacing: 0.05em;
}

.kzk-preview__summary-bar {
    height: 4px;
    background: var(--kzk-bg);
    border-radius: 2px;
    overflow: hidden;
}

.kzk-preview__summary-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--kzk-accent), var(--kzk-accent-hover));
    transition: width 0.6s var(--kzk-ease-out);
}

/* PANEL (PRAWA STRONA - opcje) ----------------------------------------------- */
.kzk-panel {
    background: var(--kzk-bg-elevated);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius-lg);
    overflow: hidden;
    min-height: 600px;
    /* Grid item default min-width: auto rozpiera kontener.
       Bez tego kafle opcji (kzk-option) wychodzą poza prawą krawędź. */
    min-width: 0;
}

.kzk-step {
    padding: clamp(1.5rem, 3vw, 2.5rem);
    display: none;
    animation: kzkFadeIn 0.4s var(--kzk-ease-out);
}

.kzk-step.is-active {
    display: block;
}

.kzk-step__header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--kzk-border);
}

.kzk-step__num {
    display: inline-block;
    font-family: var(--kzk-font-display);
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    color: var(--kzk-accent);
    margin-bottom: 0.5rem;
}

.kzk-step__title {
    font-family: var(--kzk-font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    line-height: 1;
    margin: 0 0 0.75rem;
    color: var(--kzk-text);
}

.kzk-step__desc {
    color: var(--kzk-text-dim);
    margin: 0;
    font-size: 0.95rem;
    max-width: 600px;
}

/* FIELDS ----------------------------------------------- */
.kzk-field {
    margin-bottom: 2rem;
    transition: all 0.3s var(--kzk-ease);
    border-radius: var(--kzk-radius);
    padding: 0;
}

.kzk-field.is-missing {
    animation: kzkShake 0.4s ease;
    padding: 1rem;
    margin: -1rem -1rem 1rem -1rem;
    background: rgba(255, 71, 87, 0.06);
    border: 2px dashed var(--kzk-danger);
}

.kzk-field.is-missing .kzk-field__label::before {
    content: '⚠ ';
    color: var(--kzk-danger);
}

@keyframes kzkShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

.kzk-field__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.kzk-field__label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--kzk-text);
    margin: 0;
    letter-spacing: 0.01em;
}

.kzk-field__hint {
    font-size: 0.8rem;
    color: var(--kzk-text-muted);
    font-style: italic;
}

.kzk-required {
    color: var(--kzk-accent);
    margin-left: 0.25rem;
}

.kzk-help {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--kzk-bg);
    border: 1px solid var(--kzk-border);
    color: var(--kzk-text-dim);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: help;
    transition: all 0.2s var(--kzk-ease);
    position: relative;
}

.kzk-help:hover {
    background: var(--kzk-accent);
    color: var(--kzk-bg);
    border-color: var(--kzk-accent);
}

.kzk-help:hover::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    /* Wyrównanie do prawej krawędzi przycisku - tooltip rozszerza sie w lewo.
       Wczesniej bylo left:50%+translateX(-50%), ale przy przyciskach
       blisko prawej krawedzi panelu tooltip wystawal poza viewport. */
    right: 0;
    background: var(--kzk-bg-card);
    border: 1px solid var(--kzk-accent);
    color: var(--kzk-text);
    padding: 0.75rem 1rem;
    border-radius: var(--kzk-radius-sm);
    white-space: normal;
    width: max-content;
    max-width: min(280px, calc(100vw - 2rem));
    font-size: 0.8rem;
    font-weight: 400;
    line-height: 1.5;
    z-index: 1000;
    box-shadow: var(--kzk-shadow-lg);
    text-align: left;
    pointer-events: none;
}

.kzk-btn-link {
    background: none;
    border: none;
    color: var(--kzk-accent);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
}

.kzk-btn-link:hover {
    text-decoration: underline;
}

/* OPCJE - WSPÓLNE ----------------------------------------------- */
.kzk-options {
    display: grid;
    gap: 0.75rem;
    min-width: 0; /* zabezpiecza grid auto-fit przed rozpieraniem */
}

.kzk-field {
    min-width: 0;
}

/* Wariant: karty z obrazkiem (hamulec, opona) */
.kzk-options--cards {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

/* Wariant: obręcze */
.kzk-options--rim {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

/* Wariant: piasty - jedna kolumna jak pills (lista pozioma) */
.kzk-options--hubs {
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

/* Wariant: pigułki (lista pozioma) */
.kzk-options--pills {
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

/* Wariant: kolory */
.kzk-options--colors {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

/* Wariant: dodatki */
.kzk-options--addons {
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

/* OPCJA - bazowy styl ----------------------------------------------- */
.kzk-option {
    position: relative;
    display: flex;
    background: var(--kzk-bg-card);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius);
    padding: 1rem;
    cursor: pointer;
    transition: all 0.25s var(--kzk-ease);
    overflow: hidden;
    text-align: left;
    font-family: inherit;
    color: inherit;
    width: 100%;
}

/* Wszystkie dzieci nie łapią klików - zawsze idzie do button parent.
   Bez tego klik w badge / ikonę / cenę nie aktywuje selectOption. */
.kzk-option > * {
    pointer-events: none;
}

.kzk-option:hover {
    border-color: var(--kzk-accent);
    background: var(--kzk-bg-card-hover);
    transform: translateY(-2px);
}

.kzk-option.is-selected {
    border-color: var(--kzk-accent);
    background: var(--kzk-accent-dim);
    box-shadow: 0 0 0 2px var(--kzk-accent), 0 8px 20px rgba(201, 169, 97, 0.15);
}

.kzk-option.is-selected::after {
    content: '';
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--kzk-accent);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%230a0a0a' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    z-index: 2;
}

.kzk-option.is-disabled {
    opacity: 0.35;
    pointer-events: none;
    filter: grayscale(0.5);
}

/* WARIANT: karta z dużym wizualem */
.kzk-options--cards .kzk-option,
.kzk-options--rim .kzk-option {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.25rem 1rem;
}

.kzk-option__visual {
    width: 80px;
    height: 80px;
    margin-bottom: 0.75rem;
    color: var(--kzk-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.kzk-option__visual svg {
    width: 100%;
    height: 100%;
}

.kzk-option__name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--kzk-text);
    margin-bottom: 0.25rem;
    line-height: 1.3;
}

.kzk-option__desc {
    font-size: 0.78rem;
    color: var(--kzk-text-dim);
    line-height: 1.4;
    margin-bottom: 0.5rem;
}

.kzk-option__price {
    font-family: var(--kzk-font-display);
    font-size: 1rem;
    color: var(--kzk-accent);
    letter-spacing: 0.02em;
    margin-top: auto;
    white-space: nowrap;
}

.kzk-option__price-included {
    font-size: 0.75rem;
    color: var(--kzk-text-muted);
    font-style: italic;
}

.kzk-option__badge {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    background: var(--kzk-accent);
    color: var(--kzk-bg);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    z-index: 2;
}

/* Dla list pigułek/piast/hubs/dodatków - badge w prawym górnym rogu, nie zasłania treści */
.kzk-options--pills .kzk-option__badge,
.kzk-options--hubs .kzk-option__badge,
.kzk-options--addons .kzk-option__badge {
    top: 0.5rem;
    left: auto;
    right: 0.75rem;
    max-width: calc(100% - 1.5rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Padding-top w content gdy obok badge - by nie nachodzily.
   :has() wspierane od Safari 15.4 / Chrome 105 / FF 121. Dla starszych
   fallback przez media query nizej. */
.kzk-options--hubs .kzk-option:has(.kzk-option__badge) .kzk-option__content,
.kzk-options--pills .kzk-option:has(.kzk-option__badge) .kzk-option__content,
.kzk-options--addons .kzk-option:has(.kzk-option__badge) .kzk-option__content {
    padding-top: 1.6rem;
}

/* Dla checkbox (dodatki) - badge na górze wewnątrz kafelka */
.kzk-option--checkbox .kzk-option__badge {
    top: 0.5rem;
    right: 0.5rem;
    left: auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Gdy jest badge w checkboxie, treść musi zostawić mu miejsce na górze */
.kzk-option--checkbox:has(.kzk-option__badge) .kzk-option__content {
    padding-top: 1.5rem;
}

/* Fallback dla starszych przeglądarek bez :has() - dla addons zawsze zostaw padding */
.kzk-options--addons .kzk-option--checkbox {
    padding-top: 2.25rem;
}

.kzk-options--addons .kzk-option--checkbox .kzk-option__check {
    margin-top: 0;
}

.kzk-option__weight {
    font-size: 0.7rem;
    color: var(--kzk-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* WARIANT: kolor */
.kzk-options--colors .kzk-option {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem 0.5rem;
}

.kzk-option__color-swatch {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-bottom: 0.5rem;
    border: 2px solid var(--kzk-border);
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
    position: relative;
}

.kzk-option__color-swatch.is-transparent {
    background: repeating-linear-gradient(
        45deg,
        var(--kzk-bg-card),
        var(--kzk-bg-card) 10px,
        var(--kzk-border) 10px,
        var(--kzk-border) 20px
    );
}

/* WARIANT: pigułka (lista pozioma) */
.kzk-options--pills .kzk-option,
.kzk-options--hubs .kzk-option {
    flex-direction: row;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
}

.kzk-options--hubs .kzk-option__visual {
    width: 60px;
    height: 60px;
    margin-bottom: 0;
    flex-shrink: 0;
}

.kzk-options--pills .kzk-option__content,
.kzk-options--hubs .kzk-option__content {
    flex: 1;
    min-width: 0;
}

.kzk-options--pills .kzk-option__price,
.kzk-options--hubs .kzk-option__price {
    flex-shrink: 0;
    margin-top: 0;
    margin-left: auto;
    padding-right: 1.5rem;
}

/* WARIANT: addon - checkbox */
.kzk-option--checkbox {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
}

.kzk-option--checkbox .kzk-option__check {
    width: 24px;
    height: 24px;
    border: 2px solid var(--kzk-border-strong);
    border-radius: 6px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s var(--kzk-ease);
}

.kzk-option--checkbox .kzk-option__content {
    flex: 1;
    min-width: 0;
}

.kzk-option--checkbox .kzk-option__price {
    flex-shrink: 0;
    margin-top: 0;
    margin-left: auto;
    white-space: nowrap;
}

.kzk-option--checkbox.is-selected {
    background: var(--kzk-accent-dim);
    border-color: var(--kzk-accent);
    box-shadow: 0 0 0 2px var(--kzk-accent);
}

.kzk-option--checkbox.is-selected::after { display: none; }

.kzk-option--checkbox.is-selected .kzk-option__check {
    background: var(--kzk-accent);
    border-color: var(--kzk-accent);
}

.kzk-option--checkbox.is-selected .kzk-option__check svg {
    display: block;
}

.kzk-option--checkbox .kzk-option__check svg {
    display: none;
    color: var(--kzk-bg);
}

/* NAWIGACJA ----------------------------------------------- */
.kzk-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem clamp(1.5rem, 3vw, 2.5rem);
    border-top: 1px solid var(--kzk-border);
    background: var(--kzk-bg-card);
}

.kzk-btn-primary,
.kzk-btn-secondary,
.kzk-btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    border-radius: 100px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s var(--kzk-ease);
    border: 1px solid transparent;
    letter-spacing: 0.02em;
}

.kzk-btn-primary {
    background: var(--kzk-accent);
    color: var(--kzk-bg);
    border-color: var(--kzk-accent);
}

.kzk-btn-primary:hover:not(:disabled) {
    background: var(--kzk-accent-hover);
    border-color: var(--kzk-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(201, 169, 97, 0.3);
}

.kzk-btn-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.kzk-btn-secondary {
    background: transparent;
    color: var(--kzk-text);
    border-color: var(--kzk-border-strong);
}

.kzk-btn-secondary:hover:not(:disabled) {
    border-color: var(--kzk-accent);
    color: var(--kzk-accent);
}

.kzk-btn-secondary:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.kzk-btn-ghost {
    background: transparent;
    color: var(--kzk-text-dim);
    border-color: var(--kzk-border);
    font-size: 0.85rem;
    padding: 0.65rem 1.25rem;
}

.kzk-btn-ghost:hover {
    border-color: var(--kzk-accent);
    color: var(--kzk-accent);
}

.kzk-btn-cart {
    padding: 1rem 1.75rem;
    font-size: 0.95rem;
    box-shadow: 0 10px 25px rgba(201, 169, 97, 0.25);
}

.kzk-btn-cart__price {
    font-family: var(--kzk-font-display);
    font-size: 1.05rem;
    padding-left: 0.75rem;
    margin-left: 0.5rem;
    border-left: 1px solid rgba(10, 10, 10, 0.2);
    letter-spacing: 0.02em;
}

/* PODSUMOWANIE ----------------------------------------------- */
.kzk-summary {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.kzk-summary__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    background: var(--kzk-bg-card);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius);
    gap: 1rem;
    cursor: pointer;
    transition: all 0.2s var(--kzk-ease);
    animation: kzkFadeIn 0.3s var(--kzk-ease-out);
}

.kzk-summary__row:hover {
    border-color: var(--kzk-accent);
    background: var(--kzk-bg-card-hover);
}

.kzk-summary__label {
    color: var(--kzk-text-muted);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.kzk-summary__value {
    color: var(--kzk-text);
    font-weight: 600;
    font-size: 0.95rem;
}

.kzk-summary__price {
    font-family: var(--kzk-font-display);
    font-size: 1.1rem;
    color: var(--kzk-accent);
    letter-spacing: 0.02em;
}

.kzk-summary__total {
    margin-top: 1rem;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, var(--kzk-accent-dim), transparent);
    border: 1px solid var(--kzk-accent);
    border-radius: var(--kzk-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.kzk-summary__total-label {
    font-family: var(--kzk-font-display);
    font-size: 1.3rem;
    color: var(--kzk-text);
    letter-spacing: 0.05em;
}

.kzk-summary__total-price {
    font-family: var(--kzk-font-display);
    font-size: 2.25rem;
    color: var(--kzk-accent);
    letter-spacing: 0.02em;
    line-height: 1;
}

.kzk-summary-share {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    padding: 1.5rem 0;
    border-top: 1px solid var(--kzk-border);
}

/* TOAST ----------------------------------------------- */
.kzk-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--kzk-bg-elevated);
    border: 1px solid var(--kzk-accent);
    border-radius: var(--kzk-radius);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--kzk-shadow-lg);
    z-index: 9999;
    animation: kzkSlideIn 0.4s var(--kzk-ease-out);
    max-width: 380px;
}

.kzk-toast__icon {
    color: var(--kzk-accent);
    flex-shrink: 0;
}

.kzk-toast__content {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.kzk-toast__content strong {
    color: var(--kzk-text);
    font-size: 0.95rem;
}

.kzk-toast__content span {
    color: var(--kzk-text-dim);
    font-size: 0.85rem;
}

.kzk-toast.is-error {
    border-color: var(--kzk-danger);
}

.kzk-toast.is-error .kzk-toast__icon {
    color: var(--kzk-danger);
}

/* MOBILE BAR ----------------------------------------------- */
.kzk-mobile-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--kzk-border);
    color: #f5f5f5; /* zawsze jasny tekst na ciemnym tle baru w dark mode */
    padding: 0.75rem 1.25rem;
    padding-bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
    padding-left: calc(1.25rem + env(safe-area-inset-left, 0px));
    padding-right: calc(1.25rem + env(safe-area-inset-right, 0px));
    z-index: 99;
    gap: 0.75rem;
    align-items: center;
}

.kzk-configurator.is-light .kzk-mobile-bar {
    background: rgba(255, 255, 255, 0.95);
    border-top: 1px solid #e6e6e6;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.08);
    color: var(--kzk-text);
}

.kzk-mobile-bar__meta {
    flex: 1;
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    min-width: 0;
    overflow: hidden;
}

.kzk-mobile-bar__weight {
    font-size: 0.7rem;
    color: var(--kzk-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.kzk-mobile-bar__price {
    font-family: var(--kzk-font-display);
    font-size: 1.4rem;
    color: var(--kzk-accent);
    letter-spacing: 0.02em;
}

.kzk-mobile-bar__actions {
    display: flex;
    gap: 0.5rem;
}

.kzk-mobile-bar__btn {
    height: 48px;
    border-radius: 100px;
    padding: 0 1.25rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--kzk-border);
    background: var(--kzk-bg-card);
    color: var(--kzk-text);
    transition: all 0.2s var(--kzk-ease);
}

.kzk-mobile-bar__btn--primary {
    background: var(--kzk-accent);
    color: var(--kzk-bg);
    border-color: var(--kzk-accent);
}

.kzk-mobile-bar__btn--secondary {
    width: 48px;
    padding: 0;
    justify-content: center;
}

.kzk-mobile-bar__btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ==========================================================================
   ANIMACJE
   ========================================================================== */
@keyframes kzkFadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes kzkFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes kzkSpin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes kzkPulse {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.1); color: var(--kzk-accent-hover); }
    100% { transform: scale(1); }
}

@keyframes kzkSlideIn {
    from { opacity: 0; transform: translateX(20px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

/* Tablet - pojedyncza kolumna już od 1100px, więc mobile bar też włączamy tutaj.
   W przeciwnym razie user na tablecie portrait musiałby scrollować na koniec
   panelu po przycisk Dalej. */
@media (max-width: 1100px) {
    .kzk-stage__inner {
        grid-template-columns: 1fr;
    }

    .kzk-preview {
        max-width: 380px;
        margin: 0 auto;
    }

    .kzk-preview__sticky {
        position: static;
    }

    .kzk-topbar__inner {
        grid-template-columns: auto auto;
        gap: 1rem;
    }

    .kzk-topbar__progress {
        order: 3;
        grid-column: 1 / -1;
        justify-content: flex-start;
        overflow-x: auto;
    }

    .kzk-mobile-bar {
        display: flex;
    }

    .kzk-builder {
        padding-bottom: 5rem;
    }

    .kzk-nav {
        display: none; /* zastąpione przez kzk-mobile-bar */
    }
}

/* Mobile */
@media (max-width: 768px) {
    .kzk-topbar__back span {
        display: none;
    }

    .kzk-topbar__back {
        padding: 0.5rem;
    }

    .kzk-topbar__inner {
        padding: 0.75rem 1rem;
        gap: 0.75rem;
    }

    .kzk-topbar__meta {
        gap: 0.5rem;
    }

    .kzk-meta {
        padding: 0.4rem 0.7rem;
        min-width: 65px;
    }

    .kzk-meta__value {
        font-size: 1rem;
    }

    .kzk-meta__label {
        font-size: 0.6rem;
    }

    .kzk-steps__label {
        display: none;
    }

    .kzk-options--cards,
    .kzk-options--rim {
        grid-template-columns: repeat(2, 1fr);
    }

    .kzk-options--colors {
        grid-template-columns: repeat(4, 1fr);
    }

    /* Piasty/pigułki - bardziej kompaktowo */
    .kzk-options--pills .kzk-option,
    .kzk-options--hubs .kzk-option {
        padding: 0.85rem 1rem;
        gap: 0.75rem;
    }

    .kzk-options--hubs .kzk-option__visual {
        width: 48px;
        height: 48px;
    }

    .kzk-options--pills .kzk-option__price,
    .kzk-options--hubs .kzk-option__price {
        padding-right: 1.5rem;
        font-size: 0.9rem;
    }

    /* Tooltips - na mobile pokazujemy je też po kliknięciu (focus) */
    .kzk-help {
        width: 26px;
        height: 26px;
    }

    .kzk-help:focus::before,
    .kzk-help:active::before {
        content: attr(data-tooltip);
        position: fixed;
        bottom: 6rem;
        left: 1rem;
        right: 1rem;
        transform: none;
        background: var(--kzk-bg-card);
        border: 1px solid var(--kzk-accent);
        color: var(--kzk-text);
        padding: 0.85rem 1rem;
        border-radius: var(--kzk-radius-sm);
        font-size: 0.85rem;
        line-height: 1.5;
        z-index: 1000;
        box-shadow: var(--kzk-shadow-lg);
        text-align: left;
        max-width: none;
        width: auto;
    }

    .kzk-step {
        padding: 1.25rem 1rem;
    }

    .kzk-step__title {
        font-size: 1.6rem;
    }

    .kzk-step__header {
        margin-bottom: 1.25rem;
        padding-bottom: 1rem;
    }

    .kzk-field {
        margin-bottom: 1.5rem;
    }

    .kzk-toast {
        bottom: 5.5rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
}

/* Małe telefony (iPhone SE, mniejsze Androidy) */
@media (max-width: 480px) {
    /* Fallback dla starszych przeglądarek bez :has() - badge w listach
       pionowych potrzebuje miejsca, wiec dajemy padding-top na content
       zawsze przy hubs/pills/addons. Drobny koszt estetyczny, ale dziala
       wszedzie. */
    .kzk-options--hubs .kzk-option__content,
    .kzk-options--pills .kzk-option__content,
    .kzk-options--addons .kzk-option__content {
        padding-top: 1.6rem;
    }

    /* Badge dla list pionowych na mobile - jeszcze ciasniejszy */
    .kzk-options--hubs .kzk-option__badge,
    .kzk-options--pills .kzk-option__badge,
    .kzk-options--addons .kzk-option__badge {
        font-size: 0.6rem;
        padding: 0.15rem 0.4rem;
        max-width: 60%;
    }

    /* Kategorie - jedna kolumna pełnej szerokości */
    .kzk-category-grid {
        grid-template-columns: 1fr;
    }

    /* Krok 1 (typ) i obręcze - jedna kolumna */
    .kzk-options--cards,
    .kzk-options--rim {
        grid-template-columns: 1fr;
    }

    /* Kolory - 2 kolumny zamiast 4 */
    .kzk-options--colors {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Topbar - tylko progress i meta, bez backu */
    .kzk-topbar__inner {
        grid-template-columns: 1fr auto;
        gap: 0.5rem;
        padding: 0.5rem 0.75rem;
    }

    .kzk-topbar__back {
        display: none;
    }

    .kzk-topbar__progress {
        order: 2;
        grid-column: 1 / -1;
        margin-top: 0.25rem;
    }

    .kzk-steps {
        gap: 0.35rem;
    }

    .kzk-steps__num {
        font-size: 0.85rem;
    }

    /* Topbar meta - jeszcze mniejsze */
    .kzk-meta {
        padding: 0.3rem 0.55rem;
        min-width: 55px;
    }

    .kzk-meta__value {
        font-size: 0.85rem;
    }

    .kzk-meta__label {
        font-size: 0.55rem;
    }

    /* Preview koła mniejsze, żeby zostało miejsce na opcje */
    .kzk-preview {
        max-width: 280px;
    }

    .kzk-preview__stats {
        grid-template-columns: 1fr;
        gap: 0.35rem;
        padding: 0.65rem;
    }

    .kzk-stat {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.3rem 0.5rem;
        text-align: left;
    }

    .kzk-stat__label {
        margin-bottom: 0;
    }

    /* Kroki - jeszcze mniej paddingu */
    .kzk-step {
        padding: 1rem 0.75rem;
    }

    .kzk-step__title {
        font-size: 1.35rem;
    }

    .kzk-step__num {
        font-size: 0.75rem;
    }

    .kzk-step__desc {
        font-size: 0.85rem;
    }

    /* Card display - bardziej kompaktowe */
    .kzk-options--cards .kzk-option,
    .kzk-options--rim .kzk-option {
        padding: 1rem 0.75rem;
    }

    .kzk-option__visual {
        width: 60px;
        height: 60px;
        margin-bottom: 0.5rem;
    }

    .kzk-option__name {
        font-size: 0.88rem;
    }

    .kzk-option__desc {
        font-size: 0.72rem;
    }

    /* Pigułki i piasty - jeszcze ciaśniej */
    .kzk-options--pills .kzk-option,
    .kzk-options--hubs .kzk-option {
        padding: 0.75rem 0.85rem;
        gap: 0.65rem;
    }

    .kzk-options--hubs .kzk-option__visual {
        width: 42px;
        height: 42px;
    }

    .kzk-options--pills .kzk-option__price,
    .kzk-options--hubs .kzk-option__price {
        padding-right: 1.25rem;
        font-size: 0.85rem;
    }

    .kzk-option__name {
        line-height: 1.25;
    }

    /* Field headers - lekko mniej */
    .kzk-field__label {
        font-size: 0.92rem;
    }

    /* Mobile bar - bardziej kompaktowy ale z bezpiecznym paddingiem */
    .kzk-mobile-bar {
        padding: 0.6rem 1rem;
        padding-bottom: calc(0.6rem + env(safe-area-inset-bottom, 0px));
        padding-left: calc(1rem + env(safe-area-inset-left, 0px));
        padding-right: calc(1rem + env(safe-area-inset-right, 0px));
        gap: 0.5rem;
    }

    .kzk-mobile-bar__price {
        font-size: 1.15rem;
    }

    /* Touch target >=44px (Apple HIG / WCAG 2.5.5) */
    .kzk-mobile-bar__btn {
        height: 48px;
        min-height: 48px;
        padding: 0 1rem;
        font-size: 0.85rem;
    }

    .kzk-mobile-bar__btn--secondary {
        width: 48px;
    }

    .kzk-mobile-bar__price {
        white-space: nowrap;
    }

    /* Summary - bardziej kompaktowy */
    .kzk-summary__row {
        padding: 0.85rem 1rem;
    }

    .kzk-summary__total {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 1rem;
    }

    .kzk-summary__total-price {
        font-size: 1.8rem;
    }

    .kzk-summary-share {
        flex-direction: column;
    }

    .kzk-summary-share .kzk-btn-ghost {
        width: 100%;
        justify-content: center;
    }

    /* Category picker - mniejszy heading */
    .kzk-category-picker {
        padding: 2rem 1rem;
    }

    .kzk-display {
        font-size: 2rem;
    }

    .kzk-eyebrow {
        font-size: 0.7rem;
        padding: 0.3rem 0.7rem;
    }

    .kzk-lead {
        font-size: 0.95rem;
    }

    /* Toast - nad mobile barem aby nie zachodził z topbarem przy 2-liniowym progressie */
    .kzk-toast {
        top: auto;
        bottom: 6rem;
        right: 0.75rem;
        left: 0.75rem;
    }
}

/* ==========================================================================
   TOUCH/HOVER - na ekranach dotykowych hover-state "przykleja się" po tapie.
   Wszystkie efekty hover wyłączamy gdy device nie ma fine-pointera.
   ========================================================================== */
@media (hover: none), (pointer: coarse) {
    .kzk-category-card:hover,
    .kzk-category-card:hover .kzk-category-card__visual,
    .kzk-category-card:hover .kzk-category-card__cta {
        transform: none;
    }
    .kzk-category-card:hover,
    .kzk-topbar__back:hover,
    .kzk-steps__item:hover:not(.is-active),
    .kzk-help:hover,
    .kzk-btn-link:hover,
    .kzk-option:hover,
    .kzk-btn-primary:hover:not(:disabled),
    .kzk-btn-secondary:hover:not(:disabled),
    .kzk-btn-ghost:hover,
    .kzk-summary__row:hover {
        box-shadow: none;
        background: inherit;
        border-color: inherit;
    }
    .kzk-category-card:hover::before,
    .kzk-help:hover::before {
        opacity: 0;
    }
    .kzk-wheel:hover .kzk-wheel__svg {
        transform: none;
    }
}

/* ==========================================================================
   MOBILE/TABLET: anty-zoom iOS - wszystkie inputy >=16px,
   touch targets >=44x44 dla a11y.
   ========================================================================== */
@media (max-width: 1100px) {
    .kzk-configurator input,
    .kzk-configurator select,
    .kzk-configurator textarea {
        font-size: 16px;
    }

    .kzk-mobile-bar__btn {
        min-height: 48px;
    }

    .kzk-help {
        width: 36px;
        height: 36px;
        min-width: 36px;
        min-height: 36px;
    }
}

/* ==========================================================================
   QUICK-PICK PRESETS - jednoklik konfiguracja na ekranie wyboru kategorii
   ========================================================================== */
.kzk-presets {
    margin-top: clamp(3rem, 6vw, 5rem);
    padding-top: clamp(2rem, 4vw, 3rem);
    border-top: 1px solid var(--kzk-border);
}

.kzk-presets__heading {
    text-align: center;
    margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.kzk-presets__title {
    font-family: var(--kzk-font-display);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin: 0.5rem 0;
    color: var(--kzk-text);
}

.kzk-presets__desc {
    color: var(--kzk-text-dim);
    font-size: 0.95rem;
    margin: 0;
}

.kzk-presets__categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.kzk-preset-group {
    background: var(--kzk-bg-elevated);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius);
    padding: 1.25rem;
}

.kzk-preset-group__label {
    font-family: var(--kzk-font-display);
    font-size: 1.1rem;
    color: var(--kzk-accent);
    margin-bottom: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.kzk-preset-group__buttons {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.kzk-preset-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 0.9rem;
    background: var(--kzk-bg-card);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius-sm);
    color: var(--kzk-text);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    text-align: left;
    transition: all 0.2s var(--kzk-ease);
}

.kzk-preset-btn:hover {
    border-color: var(--kzk-accent);
    background: var(--kzk-bg-card-hover);
    transform: translateX(2px);
}

.kzk-preset-btn__icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.kzk-preset-btn__name {
    font-weight: 600;
}

/* ==========================================================================
   WAGOMIERZ vs ŚREDNIA RYNKOWA
   ========================================================================== */
.kzk-preview__compare {
    margin-top: 0.75rem;
}

.kzk-weight-compare {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 0.85rem;
    background: rgba(46, 213, 115, 0.08);
    border: 1px solid rgba(46, 213, 115, 0.2);
    border-radius: var(--kzk-radius-sm);
    font-size: 0.85rem;
    color: var(--kzk-text);
}

.kzk-weight-compare.is-heavier {
    background: rgba(255, 71, 87, 0.08);
    border-color: rgba(255, 71, 87, 0.2);
}

.kzk-weight-compare__arrow {
    color: var(--kzk-success);
    font-weight: 700;
    font-size: 1.1rem;
    line-height: 1;
}

.kzk-weight-compare.is-heavier .kzk-weight-compare__arrow {
    color: var(--kzk-danger);
}

.kzk-weight-compare strong {
    color: var(--kzk-accent);
    font-weight: 700;
}

.kzk-weight-compare__text {
    color: var(--kzk-text-dim);
    font-size: 0.78rem;
}

/* ==========================================================================
   SZACOWANY TERMIN REALIZACJI
   ========================================================================== */
.kzk-preview__delivery {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding: 0.65rem 0.85rem;
    background: var(--kzk-bg-elevated);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius-sm);
    font-size: 0.85rem;
    color: var(--kzk-text-dim);
}

.kzk-preview__delivery svg {
    color: var(--kzk-accent);
    flex-shrink: 0;
}

.kzk-preview__delivery-label {
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
}

.kzk-preview__delivery strong {
    color: var(--kzk-text);
    font-weight: 600;
    margin-left: auto;
}

/* ==========================================================================
   GRAWERUNEK PERSONALNY
   ========================================================================== */
.kzk-field--engraving .kzk-engraving {
    position: relative;
}

.kzk-field__price-tag {
    display: inline-block;
    margin-left: 0.6rem;
    padding: 0.15rem 0.55rem;
    background: var(--kzk-accent-dim);
    color: var(--kzk-accent);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 100px;
    vertical-align: middle;
}

.kzk-engraving__input {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--kzk-bg-elevated);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius-sm);
    color: var(--kzk-text);
    font-family: var(--kzk-font-display);
    font-size: 1.3rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: border-color 0.2s var(--kzk-ease);
}

.kzk-engraving__input:focus {
    outline: none;
    border-color: var(--kzk-accent);
    box-shadow: 0 0 0 3px var(--kzk-accent-dim);
}

.kzk-engraving__input::placeholder {
    color: var(--kzk-text-muted);
    text-transform: none;
    font-size: 1rem;
    letter-spacing: 0.02em;
}

.kzk-engraving__hint {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--kzk-text-dim);
}

.kzk-engraving__counter {
    font-family: var(--kzk-font-display);
    color: var(--kzk-accent);
    letter-spacing: 0.05em;
}

.kzk-engraving__preview-label {
    color: var(--kzk-text-muted);
    font-style: italic;
}

/* ==========================================================================
   3D PREVIEW - toggle + container
   ========================================================================== */
.kzk-preview__header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.kzk-view-toggle {
    display: inline-flex;
    background: var(--kzk-bg-card);
    border: 1px solid var(--kzk-border);
    border-radius: 100px;
    padding: 3px;
    gap: 2px;
}

.kzk-view-toggle__btn {
    padding: 0.4rem 1rem;
    background: transparent;
    border: none;
    border-radius: 100px;
    color: var(--kzk-text-dim);
    font-family: var(--kzk-font-display);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.2s var(--kzk-ease);
    min-width: 48px;
}

.kzk-view-toggle__btn.is-active {
    background: var(--kzk-accent);
    color: var(--kzk-bg);
    font-weight: 700;
}

.kzk-wheel-3d {
    width: 100%;
    aspect-ratio: 1;
    max-width: 480px;
    margin: 0 auto;
    border-radius: var(--kzk-radius);
    overflow: hidden;
    position: relative;
    background: var(--kzk-bg);
    cursor: grab;
}

.kzk-wheel-3d:active {
    cursor: grabbing;
}

.kzk-wheel-3d canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
}

.kzk-wheel-3d__loading,
.kzk-wheel-3d__error {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--kzk-text-dim);
    font-size: 0.9rem;
    text-align: center;
    padding: 1rem;
}

.kzk-wheel-3d__error {
    color: var(--kzk-danger);
}

/* ==========================================================================
   QUIZ - CTA na ekranie wyboru kategorii + modal
   ========================================================================== */
.kzk-quiz-cta {
    margin-top: clamp(2rem, 4vw, 3rem);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    background: linear-gradient(135deg, var(--kzk-accent-dim), transparent 60%), var(--kzk-bg-elevated);
    border: 1px solid var(--kzk-accent);
    border-radius: var(--kzk-radius-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.kzk-quiz-cta__title {
    font-family: var(--kzk-font-display);
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    margin: 0.5rem 0;
    color: var(--kzk-text);
}

.kzk-quiz-cta__desc {
    margin: 0;
    color: var(--kzk-text-dim);
    font-size: 0.9rem;
}

.kzk-quiz-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: kzkFadeIn 0.3s var(--kzk-ease-out);
}

.kzk-quiz-modal__inner {
    background: var(--kzk-bg-elevated);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius-lg);
    max-width: 700px;
    width: 100%;
    padding: clamp(1.5rem, 4vw, 3rem);
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.kzk-quiz__progress {
    height: 4px;
    background: var(--kzk-border);
    border-radius: 100px;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.kzk-quiz__progress-bar {
    height: 100%;
    background: var(--kzk-accent);
    transition: width 0.4s var(--kzk-ease);
}

.kzk-quiz__question {
    font-family: var(--kzk-font-display);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin: 0.5rem 0;
    color: var(--kzk-text);
    line-height: 1.2;
}

.kzk-quiz__hint {
    color: var(--kzk-text-dim);
    font-size: 0.95rem;
    margin: 0 0 2rem;
}

.kzk-quiz__options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
}

.kzk-quiz__option {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    padding: 1.25rem 1.5rem;
    background: var(--kzk-bg-card);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius);
    color: var(--kzk-text);
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: all 0.2s var(--kzk-ease);
}

.kzk-quiz__option:hover,
.kzk-quiz__option.is-selected {
    border-color: var(--kzk-accent);
    background: var(--kzk-accent-dim);
    transform: translateY(-2px);
}

.kzk-quiz__option strong {
    font-family: var(--kzk-font-display);
    font-size: 1.1rem;
    color: var(--kzk-text);
    letter-spacing: 0.02em;
}

.kzk-quiz__option span {
    font-size: 0.8rem;
    color: var(--kzk-text-dim);
}

.kzk-quiz__option--lg {
    padding: 1.5rem;
}

.kzk-quiz__option--lg strong {
    font-size: 1.25rem;
}

.kzk-quiz__result {
    text-align: center;
}

.kzk-quiz__result-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--kzk-accent);
    color: var(--kzk-bg);
    border-radius: 100px;
    font-size: 2rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.kzk-quiz__result-title {
    font-family: var(--kzk-font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin: 0.5rem 0;
    color: var(--kzk-text);
}

.kzk-quiz__result-desc {
    color: var(--kzk-text-dim);
    margin: 1rem 0 2rem;
    line-height: 1.6;
}

.kzk-quiz__result-specs {
    margin: 1.5rem 0 2rem;
}

.kzk-quiz__spec {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem;
    background: var(--kzk-bg-card);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius);
}

.kzk-quiz__spec strong {
    color: var(--kzk-accent);
    font-size: 1.1rem;
}

.kzk-quiz__spec span {
    color: var(--kzk-text-dim);
    font-size: 0.9rem;
}

.kzk-quiz__cta {
    width: 100%;
    justify-content: center;
    font-size: 1.1rem;
    padding: 1rem;
}

/* ==========================================================================
   COMPARE - FAB + modal porównania konfiguracji
   ========================================================================== */
.kzk-compare-fab {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--kzk-accent);
    color: var(--kzk-bg);
    border: none;
    border-radius: 100px;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    box-shadow: var(--kzk-shadow-lg), 0 0 0 4px var(--kzk-accent-dim);
    z-index: 50;
    transition: transform 0.2s var(--kzk-ease);
}

.kzk-compare-fab:hover {
    transform: scale(1.05);
}

.kzk-compare-fab__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    background: var(--kzk-bg);
    color: var(--kzk-accent);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0 0.4rem;
}

@media (max-width: 1100px) {
    .kzk-compare-fab {
        bottom: 5.5rem; /* nad mobile barem */
    }
}

.kzk-compare-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 999;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: kzkFadeIn 0.2s var(--kzk-ease-out);
}

.kzk-compare-modal__inner {
    background: var(--kzk-bg-elevated);
    border: 1px solid var(--kzk-border);
    border-radius: var(--kzk-radius-lg);
    max-width: 1200px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.kzk-compare-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--kzk-border);
}

.kzk-compare-modal__title {
    font-family: var(--kzk-font-display);
    font-size: 1.5rem;
    margin: 0;
    color: var(--kzk-text);
}

.kzk-compare-modal__close {
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--kzk-border);
    border-radius: 100px;
    color: var(--kzk-text);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.kzk-compare-modal__close:hover {
    background: var(--kzk-bg-card);
}

.kzk-compare-modal__scroll {
    overflow: auto;
    padding: 1rem 1.5rem 1.5rem;
}

.kzk-compare-table {
    width: 100%;
    border-collapse: collapse;
    color: var(--kzk-text);
}

.kzk-compare-table th,
.kzk-compare-table td {
    padding: 0.85rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--kzk-border);
    font-size: 0.9rem;
}

.kzk-compare-table th:first-child {
    color: var(--kzk-text-dim);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    width: 180px;
}

.kzk-compare__header {
    background: var(--kzk-bg-card);
    text-align: center !important;
    position: relative;
}

.kzk-compare__header-name {
    font-family: var(--kzk-font-display);
    font-size: 1.1rem;
    color: var(--kzk-accent);
    margin-bottom: 0.25rem;
}

.kzk-compare__remove {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 24px;
    height: 24px;
    border-radius: 100px;
    background: transparent;
    border: 1px solid var(--kzk-border);
    color: var(--kzk-text-dim);
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
}

.kzk-compare__remove:hover {
    background: var(--kzk-danger);
    color: white;
    border-color: var(--kzk-danger);
}

.kzk-compare__highlight {
    background: var(--kzk-accent-dim);
}

.kzk-compare__price td {
    font-family: var(--kzk-font-display);
    font-size: 1.3rem;
    color: var(--kzk-accent);
    font-weight: 700;
}

/* ==========================================================================
   SKELETON LOADER - dla opcji ładujących się asynchronicznie
   ========================================================================== */
.kzk-skeleton {
    background: linear-gradient(90deg,
        var(--kzk-bg-card) 0%,
        var(--kzk-bg-card-hover) 50%,
        var(--kzk-bg-card) 100%);
    background-size: 200% 100%;
    animation: kzkShimmer 1.4s infinite linear;
    border-radius: var(--kzk-radius-sm);
}

.kzk-skeleton--option {
    height: 88px;
    margin-bottom: 0.5rem;
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .kzk-wheel__svg {
        animation: none;
    }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}