/* ===================================
   ZAMOK — 3D Model Viewer Modal
   Модальное окно для просмотра 3D-модели
   =================================== */

/* Modal overlay + container */
.model-viewer-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.model-viewer-modal--active {
    opacity: 1;
    visibility: visible;
}

.model-viewer-modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
}

.model-viewer-modal__content {
    position: relative;
    width: 90vw;
    max-width: 900px;
    height: 80vh;
    max-height: 700px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: scale(0.95);
    transition: transform 0.3s ease;
}

.model-viewer-modal--active .model-viewer-modal__content {
    transform: scale(1);
}

.model-viewer-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.model-viewer-modal__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.model-viewer-modal__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.model-viewer-modal__close:hover {
    background: var(--color-bg-subtle);
    color: var(--color-text);
}

.model-viewer-modal__body {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
}

/* Placeholder */
.model-viewer-modal__placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    max-width: 360px;
    width: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    line-height: 1.6;
}

.model-viewer-modal__placeholder svg {
    opacity: 0.25;
    flex-shrink: 0;
}

.model-viewer-modal__placeholder p {
    margin: 0;
    color: var(--color-text-muted);
}

.model-viewer-modal__placeholder--error p {
    color: var(--color-text-secondary);
}

.model-viewer-modal__placeholder--hidden {
    display: none;
}

/* model-viewer element */
#modelViewerContainer model-viewer {
    width: 100%;
    height: 100%;
}

#modelViewerContainer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .model-viewer-modal__content {
        width: 96vw;
        height: 85vh;
        border-radius: var(--radius-lg);
    }

    .model-viewer-modal__header {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .model-viewer-modal__placeholder {
        padding: var(--spacing-xl) var(--spacing-md);
        max-width: 280px;
    }

    .model-viewer-modal__placeholder svg {
        width: 48px;
        height: 48px;
    }

    .model-viewer-modal__angles {
        bottom: 8px;
        left: 8px;
        gap: 4px;
    }

    .model-viewer-modal__angle-btn {
        padding: 6px 10px;
        font-size: 11px;
    }

    .model-viewer-modal__dimensions {
        top: 8px;
        right: 8px;
        padding: 8px 12px;
        font-size: 11px;
    }
}

/* ===== Angle preset buttons ===== */
.model-viewer-modal__angles {
    position: absolute;
    bottom: 16px;
    left: 16px;
    display: flex;
    gap: 6px;
    z-index: 10;
    flex-wrap: wrap;
}

.model-viewer-modal__angle-btn {
    display: inline-flex;
    align-items: center;
    padding: 7px 14px;
    font-size: 12px;
    font-weight: 500;
    font-family: var(--font-family);
    color: var(--color-text-secondary);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    backdrop-filter: blur(8px);
    transition: all 0.15s ease;
    white-space: nowrap;
}

.model-viewer-modal__angle-btn:hover {
    background: var(--color-white);
    color: var(--color-text);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-color: var(--color-primary);
}

.model-viewer-modal__angle-btn--active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.model-viewer-modal__angle-btn--toggle.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.model-viewer-modal__angle-btn--download {
    text-decoration: none;
}

/* ===== Dimensions overlay ===== */
.model-viewer-modal__dimensions {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    z-index: 10;
    font-size: 13px;
    color: var(--color-text-secondary);
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.model-viewer-modal__dim-item strong {
    color: var(--color-text);
    font-weight: 600;
}

.model-viewer-modal__dim-title {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.model-viewer-modal__dim-note {
    font-size: 11px;
    color: var(--color-text-muted, #999);
    margin-top: 4px;
    line-height: 1.3;
}

/* ===== Scroll lock when 3D modal is open ===== */
body.modal-open {
    overflow: hidden !important;
    position: fixed;
    width: 100%;
    touch-action: none;
}