/* ── Mobile 3D Viewer Plugin ── */

/* Button */
.m3dv-wrap {
    display: inline-block;
    margin: 12px 0;
}

.m3dv-open-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}
.m3dv-open-btn:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}
.m3dv-btn-icon {
    font-size: 18px;
    display: inline-block;
    animation: m3dv-spin-hint 3s ease-in-out infinite;
}
@keyframes m3dv-spin-hint {
    0%,100% { transform: rotate(0deg); }
    50%      { transform: rotate(180deg); }
}

/* Overlay */
.m3dv-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    z-index: 99999;
    display: flex !important;
    align-items: center;
    justify-content: center;
    animation: m3dv-fade-in 0.2s ease;
}
@keyframes m3dv-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

/* Modal */
.m3dv-modal {
    background: #fff;
    border-radius: 14px;
    width: 90%;
    max-width: 560px;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    animation: m3dv-slide-up 0.25s ease;
    display: flex;
    flex-direction: column;
}
@keyframes m3dv-slide-up {
    from { transform: translateY(30px); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}

/* Close button */
.m3dv-close {
    position: absolute;
    top: 12px;
    right: 14px;
    background: rgba(0,0,0,0.12);
    border: none;
    color: #333;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    font-size: 16px;
    cursor: pointer;
    z-index: 10;
    transition: background 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.m3dv-close:hover {
    background: rgba(0,0,0,0.25);
}

/* Viewer area */
.m3dv-viewer-area {
    width: 100%;
    min-height: 360px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* ── 360 SPIN ── */
.m3dv-spin-wrap {
    width: 100%;
    height: 360px;
    position: relative;
    user-select: none;
    cursor: grab;
}
.m3dv-spin-wrap:active {
    cursor: grabbing;
}
.m3dv-spin-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    position: absolute;
    top: 0; left: 0;
    opacity: 0;
    transition: opacity 0.05s;
    pointer-events: none;
}
.m3dv-spin-wrap img.active {
    opacity: 1;
}

/* Spin hint */
.m3dv-spin-hint {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.5);
    color: #fff;
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 20px;
    pointer-events: none;
    white-space: nowrap;
}

/* ── 3D MODEL VIEWER ── */
.m3dv-viewer-area model-viewer {
    width: 100%;
    height: 360px;
    background: #f5f5f5;
}

/* Controls bar */
.m3dv-controls {
    padding: 12px 16px;
    background: #fff;
    border-top: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.m3dv-ctrl-btn {
    background: #f0f0f0;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s;
    display: flex;
    align-items: center;
    gap: 5px;
}
.m3dv-ctrl-btn:hover {
    background: #e0e0e0;
}

/* Auto-spin toggle */
.m3dv-auto-label {
    font-size: 13px;
    color: #555;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
}
.m3dv-auto-label input { cursor: pointer; }

/* Loading spinner */
.m3dv-loader {
    width: 40px;
    height: 40px;
    border: 4px solid #ddd;
    border-top-color: #0073aa;
    border-radius: 50%;
    animation: m3dv-rotate 0.8s linear infinite;
}
@keyframes m3dv-rotate {
    to { transform: rotate(360deg); }
}

/* Frame counter */
.m3dv-frame-info {
    font-size: 12px;
    color: #999;
    text-align: center;
    margin-left: auto;
}

/* Mobile responsive */
@media (max-width: 500px) {
    .m3dv-modal { width: 95%; border-radius: 10px; }
    .m3dv-viewer-area, .m3dv-spin-wrap, .m3dv-viewer-area model-viewer { height: 280px; }
}