/**
 * SBC Board Builder v2.0 — Premium Skateboard Wizard
 * Mobile-first · WebView safe · -webkit- everywhere
 * No fixed/sticky · No 100vw · Min 44px touch · 16px inputs
 */

/* ═══════ TOKENS ═══════ */
.sbc-bb {
    --c-bg: #0e0e0e;
    --c-surface: #181818;
    --c-surface2: #222222;
    --c-border: #2a2a2a;
    --c-text: #f0f0f0;
    --c-text2: #aaaaaa;
    --c-text3: #666666;
    --c-red: #e94560;
    --c-red2: #ff2d55;
    --c-green: #00c853;
    --c-green-bg: rgba(0,200,83,0.10);
    --c-gold: #ffab00;
    --r: 12px;
    --r-sm: 8px;
    --font: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

    font-family: var(--font);
    color: var(--c-text);
    background: var(--c-bg);
    border-radius: var(--r);
    overflow: hidden;
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    height: 85vh;
    min-height: 520px;
    max-height: 1000px;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    border: 1px solid var(--c-border);
}

.sbc-bb *, .sbc-bb *::before, .sbc-bb *::after {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.sbc-bb button {
    -webkit-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    cursor: pointer;
    font-family: var(--font);
    border: none;
    background: none;
    padding: 0;
    margin: 0;
    color: inherit;
}

.sbc-bb a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }

/* ═══════ PROGRESS ═══════ */
.bb-progress {
    height: 3px;
    background: var(--c-border);
}

.bb-progress__fill {
    height: 100%;
    background: -webkit-linear-gradient(left, var(--c-red), var(--c-red2));
    background: linear-gradient(90deg, var(--c-red), var(--c-red2));
    -webkit-transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
    transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
    border-radius: 0 3px 3px 0;
}

/* ═══════ TABS ═══════ */
.bb-tabs {
    display: -webkit-flex;
    display: flex;
    gap: 4px;
    padding: 10px 12px;
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.bb-tabs::-webkit-scrollbar { display: none; }

.bb-tab {
    -webkit-flex: 1;
    flex: 1;
    min-width: 44px;
    min-height: 44px;
    display: -webkit-inline-flex;
    display: inline-flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 10px;
    border-radius: var(--r-sm);
    position: relative;
    -webkit-transition: all 0.2s ease;
    transition: all 0.2s ease;
    white-space: nowrap;
    background: transparent;
}

.bb-tab:hover { background: var(--c-surface2); }

.bb-tab.-active {
    background: var(--c-red);
    color: #fff;
    -webkit-box-shadow: 0 2px 12px rgba(233,69,96,0.4);
    box-shadow: 0 2px 12px rgba(233,69,96,0.4);
}

.bb-tab.-done {
    background: var(--c-green-bg);
}

.bb-tab__num {
    width: 22px;
    height: 22px;
    display: -webkit-inline-flex;
    display: inline-flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    border-radius: 50%;
    background: var(--c-surface2);
    color: var(--c-text3);
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
}

.bb-tab.-active .bb-tab__num { background: rgba(255,255,255,0.25); color: #fff; }
.bb-tab.-done .bb-tab__num { background: var(--c-green); color: #fff; font-size: 10px; }

.bb-tab__label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.bb-tab.-done .bb-tab__label { color: var(--c-green); }

.bb-tab__badge {
    font-size: 9px;
    font-weight: 800;
    background: var(--c-green);
    color: #fff;
    border-radius: 9px;
    padding: 1px 6px;
    min-width: 16px;
    text-align: center;
}

.bb-tab__dot {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-red);
    -webkit-animation: bb-pulse 2s infinite;
    animation: bb-pulse 2s infinite;
}

@-webkit-keyframes bb-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
@keyframes bb-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ═══════ BODY ═══════ */
.bb-body {
    -webkit-flex: 1;
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    min-height: 0;
    padding: 14px 16px;
}

/* ═══════ TIP ═══════ */
.bb-tip {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: rgba(255,171,0,0.08);
    border: 1px solid rgba(255,171,0,0.2);
    border-radius: var(--r-sm);
    margin-bottom: 12px;
}

.bb-tip__icon { font-size: 16px; -webkit-flex-shrink: 0; flex-shrink: 0; }
.bb-tip__text { -webkit-flex: 1; flex: 1; font-size: 13px; color: var(--c-text2); line-height: 1.4; }

.bb-tip__guide {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--c-red);
    padding: 8px 14px;
    border: 1px solid rgba(233,69,96,0.3);
    border-radius: 20px;
    min-height: 36px;
    -webkit-transition: all 0.15s;
    transition: all 0.15s;
}
.bb-tip__guide:hover { background: var(--c-red); color: #fff; border-color: var(--c-red); }

/* ═══════ SELECTION BANNER ═══════ */
.bb-selection {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 10px;
    padding: 8px 14px;
    background: var(--c-green-bg);
    border: 1px solid rgba(0,200,83,0.2);
    border-radius: var(--r-sm);
    margin-bottom: 12px;
}

.bb-selection__icon { font-size: 16px; }
.bb-selection__text { font-size: 13px; font-weight: 600; color: var(--c-green); -webkit-flex: 1; flex: 1; }

.bb-selection__thumbs {
    display: -webkit-flex;
    display: flex;
    gap: 4px;
    -webkit-align-items: center;
    align-items: center;
}
.bb-selection__thumbs img {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    object-fit: contain;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
}
.bb-selection__thumbs span {
    font-size: 10px;
    font-weight: 700;
    color: var(--c-text3);
    padding: 0 4px;
}

.bb-selection__clear {
    width: 36px;
    height: 36px;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    font-size: 16px;
    color: var(--c-text3);
    border-radius: 50%;
    -webkit-transition: all 0.15s;
    transition: all 0.15s;
}
.bb-selection__clear:hover { background: rgba(233,69,96,0.15); color: var(--c-red); }

/* ═══════ FILTERS ═══════ */
.bb-filters { margin-bottom: 12px; }

.bb-chips {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 6px;
    padding: 4px 0;
    -webkit-align-items: center;
    align-items: center;
}

.bb-chip {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--c-border);
    font-size: 12px;
    font-weight: 500;
    color: var(--c-text2);
    min-height: 32px;
    -webkit-transition: all 0.15s;
    transition: all 0.15s;
}
.bb-chip:hover { border-color: var(--c-text3); color: var(--c-text); }
.bb-chip.-on { background: var(--c-text); border-color: var(--c-text); color: var(--c-bg); font-weight: 700; }

.bb-compat { font-size: 11px; color: var(--c-green); font-weight: 600; padding: 0 8px; }

/* Sort */
.bb-sort {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    padding: 6px 0;
}
.bb-sort__count { font-size: 12px; color: var(--c-text3); font-family: var(--mono); font-weight: 500; }
.bb-sort__btns {
    display: -webkit-flex;
    display: flex;
    gap: 2px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 6px;
    padding: 2px;
}
.bb-sort__btn {
    padding: 5px 12px;
    font-size: 11px;
    font-weight: 600;
    color: var(--c-text3);
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    -webkit-transition: all 0.15s;
    transition: all 0.15s;
}
.bb-sort__btn.-on { background: var(--c-text); color: var(--c-bg); }

/* ═══════ GRID ═══════ */
.bb-grid {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
    gap: 10px;
}

/* ═══════ CARD ═══════ */
.bb-card {
    -webkit-flex: 0 0 calc(25% - 7.5px);
    flex: 0 0 calc(25% - 7.5px);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    -webkit-transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
    transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

.bb-card:hover {
    border-color: var(--c-text3);
    -webkit-transform: translateY(-3px);
    transform: translateY(-3px);
    -webkit-box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}

.bb-card.-sel {
    border-color: var(--c-green);
    -webkit-box-shadow: 0 0 0 1px var(--c-green), 0 4px 20px rgba(0,200,83,0.15);
    box-shadow: 0 0 0 1px var(--c-green), 0 4px 20px rgba(0,200,83,0.15);
}

.bb-card__check {
    position: absolute;
    top: 8px;
    left: 8px;
    width: 24px;
    height: 24px;
    background: var(--c-green);
    color: #fff;
    border-radius: 50%;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    font-style: normal;
    z-index: 2;
}

.bb-card__disc {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--c-red);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    font-style: normal;
    padding: 3px 8px;
    border-radius: 4px;
    z-index: 2;
}

.bb-card__vis {
    width: 100%;
    aspect-ratio: 1;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    padding: 16px;
    background: var(--c-surface2);
}

.bb-card__vis img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    -webkit-transition: -webkit-transform 0.4s cubic-bezier(0.4,0,0.2,1);
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.bb-card:hover .bb-card__vis img {
    -webkit-transform: scale(1.08) rotate(-1deg);
    transform: scale(1.08) rotate(-1deg);
}

.bb-card__ph { font-size: 36px; opacity: 0.15; }

.bb-card__body {
    padding: 10px 12px 8px;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    gap: 3px;
    -webkit-flex: 1;
    flex: 1;
}

.bb-card__brand {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--c-text3);
}

.bb-card__name {
    font-size: 12px;
    font-weight: 500;
    line-height: 1.3;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bb-card__row {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 4px;
}

.bb-card__price {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: baseline;
    align-items: baseline;
    gap: 6px;
}
.bb-card__price del { font-size: 11px; color: var(--c-text3); }
.bb-card__price strong { font-size: 14px; font-weight: 800; color: var(--c-text); font-family: var(--mono); }
.bb-card.-sel .bb-card__price strong { color: var(--c-green); }

.bb-card__ext {
    width: 28px;
    height: 28px;
    display: -webkit-inline-flex;
    display: inline-flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    font-size: 13px;
    color: var(--c-text3);
    border-radius: 50%;
    text-decoration: none;
    -webkit-transition: all 0.15s;
    transition: all 0.15s;
}
.bb-card__ext:hover { background: var(--c-surface2); color: var(--c-text); }

/* Card action btn */
.bb-card__action {
    width: 100%;
    padding: 9px;
    font-size: 12px;
    font-weight: 700;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-top: 1px solid var(--c-border);
    min-height: 44px;
    -webkit-transition: all 0.15s;
    transition: all 0.15s;
}

.bb-card__action.-add { color: var(--c-text2); }
.bb-card__action.-add:hover { background: var(--c-green); color: #fff; }
.bb-card__action.-remove { color: var(--c-red); background: rgba(233,69,96,0.06); }
.bb-card__action.-remove:hover { background: var(--c-red); color: #fff; }

/* ═══════ LOADING ═══════ */
.bb-loading {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    -webkit-align-items: center;
    align-items: center;
    gap: 14px;
    padding: 70px 0;
    color: var(--c-text3);
    font-size: 13px;
}

.bb-loading__spin {
    width: 28px;
    height: 28px;
    border: 2px solid var(--c-border);
    border-top-color: var(--c-red);
    border-radius: 50%;
    -webkit-animation: bb-spin 0.7s linear infinite;
    animation: bb-spin 0.7s linear infinite;
}

@-webkit-keyframes bb-spin { to { -webkit-transform: rotate(360deg); } }
@keyframes bb-spin { to { transform: rotate(360deg); } }

/* ═══════ EMPTY ═══════ */
.bb-empty {
    text-align: center;
    padding: 70px 20px;
    color: var(--c-text3);
}
.bb-empty__icon { font-size: 40px; display: block; margin-bottom: 14px; opacity: 0.4; }
.bb-empty__msg { font-size: 14px; display: block; margin-bottom: 14px; }
.bb-empty__clear {
    font-size: 12px;
    font-weight: 700;
    color: var(--c-red);
    padding: 8px 20px;
    border-radius: 20px;
    border: 1px solid var(--c-red);
    min-height: 44px;
    -webkit-transition: all 0.15s;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.bb-empty__clear:hover { background: var(--c-red); color: #fff; }

/* ═══════ BOTTOM BAR ═══════ */
.bb-bar {
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
    padding: 10px 16px;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 10px;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
}

.bb-bar__summary {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: var(--r-sm);
    background: var(--c-surface2);
    border: 1px solid var(--c-border);
    min-height: 44px;
    -webkit-transition: all 0.15s;
    transition: all 0.15s;
}
.bb-bar__summary:hover { border-color: var(--c-text3); }

.bb-bar__cnt { font-size: 13px; font-weight: 600; }
.bb-bar__total { font-size: 16px; font-weight: 800; color: var(--c-red2); font-family: var(--mono); }

.bb-bar__actions {
    display: -webkit-flex;
    display: flex;
    gap: 8px;
    margin-left: auto;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
}

.bb-bar__prev, .bb-bar__next, .bb-bar__cart {
    display: -webkit-inline-flex;
    display: inline-flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--r-sm);
    font-size: 13px;
    font-weight: 700;
    min-height: 44px;
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.bb-bar__prev {
    background: var(--c-surface2);
    color: var(--c-text2);
    border: 1px solid var(--c-border);
}
.bb-bar__prev:hover { background: var(--c-border); }

.bb-bar__next { background: var(--c-text); color: var(--c-bg); }
.bb-bar__next:hover { opacity: 0.9; }

.bb-bar__cart {
    background: -webkit-linear-gradient(left, var(--c-red), var(--c-red2));
    background: linear-gradient(90deg, var(--c-red), var(--c-red2));
    color: #fff;
    padding: 10px 28px;
    -webkit-box-shadow: 0 4px 16px rgba(233,69,96,0.4);
    box-shadow: 0 4px 16px rgba(233,69,96,0.4);
}
.bb-bar__cart:hover { -webkit-box-shadow: 0 6px 24px rgba(233,69,96,0.5); box-shadow: 0 6px 24px rgba(233,69,96,0.5); }
.bb-bar__cart:disabled { opacity: 0.4; cursor: not-allowed; -webkit-box-shadow: none; box-shadow: none; }

/* ═══════ OVERLAY (SUMMARY) ═══════ */
.bb-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 100;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: flex-end;
    align-items: flex-end;
    -webkit-justify-content: center;
    justify-content: center;
    opacity: 0;
    -webkit-transition: opacity 0.25s;
    transition: opacity 0.25s;
}
.bb-overlay.-open { opacity: 1; }

.bb-summary {
    background: var(--c-surface);
    border-radius: var(--r) var(--r) 0 0;
    width: 100%;
    max-height: 80%;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
    -webkit-transition: -webkit-transform 0.3s cubic-bezier(0.4,0,0.2,1);
    transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}
.bb-overlay.-open .bb-summary { -webkit-transform: translateY(0); transform: translateY(0); }

.bb-summary__head {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--c-border);
}

.bb-summary__head h3 { font-size: 18px; font-weight: 800; margin: 0; letter-spacing: -0.3px; }

.bb-overlay__close {
    width: 44px;
    height: 44px;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    font-size: 18px;
    border-radius: 50%;
    color: var(--c-text3);
}
.bb-overlay__close:hover { background: var(--c-surface2); }

.bb-summary__list {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 14px 20px;
    -webkit-flex: 1;
    flex: 1;
}

.bb-summary__section { margin-bottom: 16px; }

.bb-summary__label {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    color: var(--c-text3);
    margin-bottom: 8px;
}
.bb-summary__label em {
    font-style: normal;
    font-size: 9px;
    color: var(--c-red);
    background: rgba(233,69,96,0.12);
    padding: 2px 8px;
    border-radius: 8px;
    font-weight: 700;
}
.bb-summary__label b {
    font-size: 10px;
    background: var(--c-green);
    color: #fff;
    border-radius: 8px;
    padding: 2px 7px;
}

.bb-summary__items {
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    gap: 6px;
}

.bb-summary__item {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--c-surface2);
    border-radius: var(--r-sm);
}
.bb-summary__item img { width: 40px; height: 40px; object-fit: contain; border-radius: 4px; background: var(--c-surface); }
.bb-summary__meta { -webkit-flex: 1; flex: 1; min-width: 0; }
.bb-summary__meta p { font-size: 12px; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bb-summary__meta strong { font-size: 13px; font-family: var(--mono); color: var(--c-red2); }

.bb-summary__rm {
    width: 36px;
    height: 36px;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    font-size: 14px;
    color: var(--c-text3);
    border-radius: 50%;
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
}
.bb-summary__rm:hover { background: rgba(233,69,96,0.15); color: var(--c-red); }

.bb-summary__pick {
    font-size: 12px;
    font-weight: 700;
    color: var(--c-text3);
    padding: 10px;
    border: 1px dashed var(--c-border);
    border-radius: var(--r-sm);
    width: 100%;
    min-height: 44px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    -webkit-transition: all 0.15s;
    transition: all 0.15s;
}
.bb-summary__pick:hover { border-color: var(--c-red); color: var(--c-red); }

.bb-summary__total {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    padding: 14px 20px;
    border-top: 1px solid var(--c-border);
}
.bb-summary__total-label { font-size: 14px; font-weight: 600; color: var(--c-text2); }
.bb-summary__total-price { font-size: 22px; font-weight: 800; color: var(--c-red2); font-family: var(--mono); letter-spacing: -0.5px; }

.bb-summary__cart {
    margin: 0 20px 16px;
    padding: 14px;
    background: -webkit-linear-gradient(left, var(--c-red), var(--c-red2));
    background: linear-gradient(90deg, var(--c-red), var(--c-red2));
    color: #fff;
    font-size: 15px;
    font-weight: 800;
    border-radius: var(--r-sm);
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    gap: 8px;
    min-height: 52px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    -webkit-box-shadow: 0 4px 16px rgba(233,69,96,0.4);
    box-shadow: 0 4px 16px rgba(233,69,96,0.4);
}
.bb-summary__cart:hover { -webkit-box-shadow: 0 6px 24px rgba(233,69,96,0.5); box-shadow: 0 6px 24px rgba(233,69,96,0.5); }
.bb-summary__cart:disabled { opacity: 0.4; cursor: not-allowed; }

/* ═══════ MODAL (SIZE GUIDE) ═══════ */
.bb-modal {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 110;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    -webkit-transition: opacity 0.2s;
    transition: opacity 0.2s;
}
.bb-modal.-open { opacity: 1; }

.bb-modal__box {
    background: var(--c-surface);
    border-radius: var(--r);
    max-width: 420px;
    width: 100%;
    max-height: 75vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--c-border);
    -webkit-transform: scale(0.95);
    transform: scale(0.95);
    -webkit-transition: -webkit-transform 0.25s cubic-bezier(0.4,0,0.2,1);
    transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
}
.bb-modal.-open .bb-modal__box { -webkit-transform: scale(1); transform: scale(1); }

.bb-modal__head {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--c-border);
}
.bb-modal__title { font-size: 16px; font-weight: 700; margin: 0; }
.bb-modal__close {
    width: 44px;
    height: 44px;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    font-size: 16px;
    border-radius: 50%;
    color: var(--c-text3);
}
.bb-modal__content { padding: 20px; font-size: 14px; line-height: 1.8; color: var(--c-text2); }

/* ═══════ TOAST ═══════ */
.bb-toast {
    position: absolute;
    bottom: 80px;
    left: 16px;
    right: 16px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--r);
    padding: 16px;
    z-index: 120;
    -webkit-box-shadow: 0 12px 40px rgba(0,0,0,0.6);
    box-shadow: 0 12px 40px rgba(0,0,0,0.6);
    opacity: 0;
    -webkit-transform: translateY(20px);
    transform: translateY(20px);
    -webkit-transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
.bb-toast.-show { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }

.bb-toast__msg { display: block; font-size: 14px; font-weight: 600; margin-bottom: 14px; line-height: 1.4; }
.bb-toast__msg small { color: var(--c-gold); font-weight: 500; }

.bb-toast__btns {
    display: -webkit-flex;
    display: flex;
    gap: 10px;
}

.bb-toast__stay {
    -webkit-flex: 1;
    flex: 1;
    padding: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--c-text2);
    background: var(--c-surface2);
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    min-height: 44px;
}
.bb-toast__stay:hover { background: var(--c-border); }

.bb-toast__go {
    -webkit-flex: 1;
    flex: 1;
    padding: 10px;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    background: var(--c-red);
    border-radius: var(--r-sm);
    text-align: center;
    text-decoration: none;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    min-height: 44px;
}
.bb-toast__go:hover { background: var(--c-red2); color: #fff; }

/* ═══════ RESPONSIVE ═══════ */
@media (max-width: 768px) {
    .sbc-bb {
        height: auto;
        max-height: none;
        min-height: auto;
        border-radius: 0;
        border-left: 0;
        border-right: 0;
    }
    .bb-body { min-height: 400px; }
    .bb-card { -webkit-flex: 0 0 calc(50% - 5px); flex: 0 0 calc(50% - 5px); }
    .bb-tab__label { font-size: 10px; }
    .bb-bar { -webkit-flex-wrap: wrap; flex-wrap: wrap; }
    .bb-bar__summary { -webkit-flex: 1 1 100%; flex: 1 1 100%; }
    .bb-bar__actions { -webkit-flex: 1 1 100%; flex: 1 1 100%; -webkit-justify-content: space-between; justify-content: space-between; }
    .bb-bar__next, .bb-bar__cart { -webkit-flex: 1; flex: 1; -webkit-justify-content: center; justify-content: center; }
}

@media (max-width: 480px) {
    .bb-card { -webkit-flex: 0 0 100%; flex: 0 0 100%; }
    .bb-body { padding: 10px; }
    .bb-tab__num { display: none; }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .bb-card { -webkit-flex: 0 0 calc(33.33% - 7px); flex: 0 0 calc(33.33% - 7px); }
}

@media (prefers-reduced-motion: reduce) {
    .sbc-bb, .sbc-bb * { -webkit-transition: none !important; transition: none !important; -webkit-animation: none !important; animation: none !important; }
}