/*
 * Solverra 360 Viewer - responsive styling, brand-token driven.
 * Consumes design-system tokens (var(--color-*), var(--sol-*), var(--r-*),
 * var(--space-*), var(--shadow-*)). Chrome adapts to [data-brand] automatically
 * because it inherits the active brand's token sheet from solverra-design-system.
 * ASCII-only per STANDARDS Section 19.1.
 */

.solverra-360 {
    position: relative;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

/* ---- stage ---- */
.solverra-360__stage {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--color-bg-elev, #fff);
    border: 1px solid var(--color-border, rgba(0, 0, 0, 0.12));
    border-radius: var(--r-lg, 20px);
    cursor: grab;
    touch-action: pan-y;
    outline: none;
    -webkit-user-select: none;
    user-select: none;
}

.solverra-360__stage.is-grabbing {
    cursor: grabbing;
}

.solverra-360__stage.is-zoomed {
    cursor: zoom-out;
    touch-action: none;
}

/* WCAG 2.2 AA focus-visible ring on the keyboard-operable stage */
.solverra-360__stage:focus-visible {
    outline: 3px solid var(--color-accent, #C9A36A);
    outline-offset: 3px;
}

.solverra-360__frame {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transform-origin: center center;
    transition: transform var(--dur-2, 220ms) var(--ease-out, ease);
    pointer-events: none;
    -webkit-user-drag: none;
}

.solverra-360__model {
    width: 100%;
    height: 100%;
    display: block;
    background: var(--color-bg-elev, #fff);
}

/* ---- controls ---- */
.solverra-360__controls {
    display: flex;
    align-items: center;
    gap: var(--space-3, 12px);
    margin-top: var(--space-3, 12px);
    flex-wrap: wrap;
}

.solverra-360__hint {
    margin: 0;
    font-family: var(--ff-body, system-ui, sans-serif);
    font-size: var(--fs-xs, 12px);
    letter-spacing: var(--ls-caps, 0.08em);
    text-transform: uppercase;
    color: var(--color-text-muted, #606061);
}

.solverra-360__btns {
    display: flex;
    gap: var(--space-2, 8px);
    margin-left: auto;
}

.solverra-360__btn {
    /* 44x44 min touch target per STANDARDS Section 14 */
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ff-mono, monospace);
    font-size: var(--fs-lg, 18px);
    line-height: 1;
    color: var(--color-text, #1F2C17);
    background: var(--color-bg-soft, #FBFAF4);
    border: 1px solid var(--color-border-strong, rgba(0, 0, 0, 0.22));
    border-radius: var(--r-pill, 999px);
    cursor: pointer;
    transition: background var(--dur-1, 120ms) var(--ease-out, ease),
                color var(--dur-1, 120ms) var(--ease-out, ease);
}

.solverra-360__btn:hover {
    background: var(--color-primary, #8CC63F);
    color: var(--color-text, #1F2C17);
}

.solverra-360__btn:focus-visible {
    outline: 3px solid var(--color-accent, #C9A36A);
    outline-offset: 2px;
}

.solverra-360__counter {
    font-family: var(--ff-mono, monospace);
    font-size: var(--fs-sm, 14px);
    color: var(--color-text-muted, #606061);
    font-variant-numeric: tabular-nums;
}

/* ---- card preview (shop loops) ---- */
.solverra-360.is-card {
    margin-bottom: var(--space-2, 8px);
}

.solverra-360.is-card .solverra-360__stage {
    aspect-ratio: 1 / 1;
    border-radius: var(--r-md, 12px);
    cursor: pointer;
}

.solverra-360.is-card .solverra-360__frame {
    transition: none; /* card spin must be instant per-frame */
}

/* subtle hover affordance so users know the card is interactive */
.solverra-360.is-card .solverra-360__stage::after {
    content: "360";
    position: absolute;
    bottom: 8px;
    right: 8px;
    font-family: var(--ff-mono, monospace);
    font-size: 10px;
    letter-spacing: 0.1em;
    padding: 2px 6px;
    border-radius: var(--r-pill, 999px);
    background: var(--color-text, #1F2C17);
    color: var(--color-bg, #F6F4EC);
    opacity: 0.7;
    pointer-events: none;
}

/* ---- fullscreen ---- */
.solverra-360.is-fullscreen,
.solverra-360:fullscreen {
    background: var(--color-bg, #000);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-6, 32px);
}

.solverra-360.is-fullscreen .solverra-360__stage,
.solverra-360:fullscreen .solverra-360__stage {
    max-width: min(90vw, 90vh);
    margin: 0 auto;
    aspect-ratio: 1 / 1;
}

/* ---- screen-reader-only utility (mirror theme's class) ---- */
.solverra-360 .screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---- reduced motion: static hero, no spin affordance, hide momentum hint ---- */
@media (prefers-reduced-motion: reduce) {
    .solverra-360__frame {
        transition: none;
    }
    .solverra-360.is-card .solverra-360__stage::after {
        content: "STATIC";
    }
    .solverra-360__hint::after {
        content: " (static view - reduced motion)";
        text-transform: none;
    }
}

/* ---- small screens ---- */
@media (max-width: 640px) {
    .solverra-360__controls {
        gap: var(--space-2, 8px);
    }
    .solverra-360__counter {
        order: 3;
        width: 100%;
        text-align: center;
    }
}