/* ===================================================
   Kitchen Constructor - Three.js Editor Styles
   Color accent: #e7a920 (gold, matching site theme)
   =================================================== */

/* --- Page-level overrides --- */
body.constructor-page {
    --constructor-topbar-height: 69px;
    --constructor-parts-width: 260px;
    --constructor-parts-min-width: 220px;
    --constructor-parts-max-width: 430px;
    --constructor-inspector-width: 300px;
    --constructor-safe-bottom: 0px;
    --constructor-mobile-edge: 8px;
    --constructor-mobile-toolbar-size: 42px;
    --constructor-mobile-toolbar-bottom: calc(var(--constructor-mobile-edge) + var(--constructor-safe-bottom));
    --constructor-mobile-panel-bottom: calc(var(--constructor-mobile-toolbar-bottom) + var(--constructor-mobile-toolbar-size) + 8px);
    color-scheme: dark;
    overflow: hidden;
}
@supports (padding-bottom: constant(safe-area-inset-bottom)) {
    body.constructor-page {
        --constructor-safe-bottom: constant(safe-area-inset-bottom);
    }
}
@supports (padding-bottom: env(safe-area-inset-bottom)) {
    body.constructor-page {
        --constructor-safe-bottom: env(safe-area-inset-bottom);
    }
}
body.constructor-page #wrap {
    display: flex;
    flex-direction: column;
    height: var(--constructor-viewport-height, 100vh);
    box-sizing: border-box;
    padding-top: var(--constructor-topbar-height);
    min-height: 0;
}
@supports (height: 100dvh) {
    body.constructor-page #wrap {
        height: var(--constructor-viewport-height, 100dvh);
    }
}
body.constructor-page .mobile-menu {
    display: block !important;
}
body.constructor-page .header-one {
    display: none !important;
}
body.constructor-page .header-two {
    display: block !important;
    position: fixed !important;
    top: 0 !important;
    left: 0;
    right: 0;
    z-index: 1001;
    visibility: visible !important;
    transform: none !important;
}
@media (min-width: 769px) {
    body.constructor-page .header-two > .container {
        max-width: none;
        padding-left: 15px;
        padding-right: 15px;
        width: 100%;
    }
}
body.constructor-page .header-two .navigation {
    display: none !important;
}
body.constructor-page .ak-cookie-consent {
    bottom: calc(82px + var(--constructor-safe-bottom));
    max-height: calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - 104px - var(--constructor-safe-bottom));
    overflow-y: auto;
    overscroll-behavior: contain;
}
body.constructor-page .constructor-header-title {
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    line-height: 1;
    margin: 0;
    position: fixed;
    top: calc(var(--constructor-topbar-height) / 2);
    left: 50%;
    z-index: 1001;
    transform: translate(-50%, -50%);
    white-space: nowrap;
    pointer-events: none;
}
body.constructor-page .mobile-menu .cd-header {
    width: 70px;
    height: var(--constructor-topbar-height);
    top: 0;
    right: 0;
    background: transparent;
    box-shadow: none;
    z-index: 1004;
}
body.constructor-page .mobile-menu .cd-primary-nav-trigger {
    top: 50% !important;
    right: 15px !important;
    width: 50px;
    transform: translateY(-50%) !important;
}
body.constructor-page .mobile-menu .cd-primary-nav-trigger .cd-menu-icon,
body.constructor-page .mobile-menu .cd-primary-nav-trigger .cd-menu-icon::before,
body.constructor-page .mobile-menu .cd-primary-nav-trigger .cd-menu-icon::after {
    background-color: #fff;
}
body.constructor-page .mobile-menu .cd-primary-nav-trigger .cd-menu-icon.is-clicked {
    background-color: transparent;
}
body.constructor-page .mobile-menu .cd-primary-nav-trigger .cd-menu-icon.is-clicked::before,
body.constructor-page .mobile-menu .cd-primary-nav-trigger .cd-menu-icon.is-clicked::after {
    background-color: #fff;
}

/* --- Constructor scrollbars --- */
body.constructor-page * {
    scrollbar-color: rgba(231, 169, 32, 0.58) rgba(8, 8, 16, 0.7);
    scrollbar-width: thin;
}
body.constructor-page *::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
body.constructor-page *::-webkit-scrollbar-track {
    background: rgba(8, 8, 16, 0.72);
    border-radius: 999px;
}
body.constructor-page *::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, rgba(231, 169, 32, 0.72), rgba(125, 88, 18, 0.76));
    border: 2px solid rgba(8, 8, 16, 0.88);
    border-radius: 999px;
}
body.constructor-page *::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, rgba(240, 192, 64, 0.92), rgba(170, 118, 24, 0.88));
}
body.constructor-page *::-webkit-scrollbar-corner {
    background: transparent;
}
body.constructor-page.sidebar-resizing,
body.constructor-page.sidebar-resizing * {
    cursor: ew-resize !important;
    user-select: none !important;
    -webkit-user-select: none !important;
}

/* --- Main constructor container --- */
#constructor-container {
    position: relative;
    flex: 1;
    min-height: 0;
    overflow: hidden;
    background: #1a1a2e;
}

/* --- 3D Viewport --- */
#constructor-viewport {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}
#constructor-viewport canvas {
    display: block;
    outline: none;
    /* Disable native touch gestures (browser pan/pinch-zoom) so OrbitControls can
       handle one-finger pan and two-finger dolly/rotate without the page scrolling
       underneath the user. Required for usable mobile interaction. */
    touch-action: none;
}

#view-cube {
    position: absolute;
    top: 12px;
    right: calc(var(--constructor-inspector-width) + 24px);
    width: 92px;
    height: 92px;
    z-index: 34;
    overflow: hidden;
    border: 1px solid rgba(231, 169, 32, 0.35);
    border-radius: 8px;
    background: rgba(12, 12, 22, 0.78);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.34);
    cursor: default;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
}
#view-cube[data-interactive="true"] {
    border-color: rgba(240, 192, 80, 0.78);
    cursor: pointer;
}
#view-cube:focus-visible {
    outline: 2px solid rgba(240, 192, 80, 0.9);
    outline-offset: 2px;
}
#view-cube canvas {
    display: block;
    width: 100%;
    height: 100%;
}

#constructor-status {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 35;
    background: rgba(12, 12, 22, 0.92);
    color: #ddd;
    border: 1px solid rgba(231, 169, 32, 0.2);
    border-radius: 8px;
    padding: 8px 14px;
    font-size: 11px;
    letter-spacing: 0.4px;
    max-width: 480px;
    text-align: center;
    pointer-events: none;
}
#constructor-status[data-level="error"] {
    color: #ff8d8d;
    border-color: rgba(255, 95, 95, 0.45);
}
#constructor-status[data-level="warning"] {
    color: #ffd37d;
}

/* ===================================================
   Loading overlay
   =================================================== */
#loading-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 10, 20, 0.96);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: opacity 0.5s;
}
#loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
}
.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid #2a2a3e;
    border-top-color: #e7a920;
    border-radius: 50%;
    animation: constructorSpin 0.8s linear infinite;
    margin: 0 auto 20px;
}
@keyframes constructorSpin {
    to { transform: rotate(360deg); }
}
#loading-text {
    color: #e7a920;
    font-family: 'Montserrat', sans-serif;
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.loading-bar {
    width: 280px;
    height: 3px;
    background: #2a2a3e;
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}
#loading-progress {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, #e7a920, #f0c050);
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* ===================================================
   Left sidebar - Parts catalog
   =================================================== */
#parts-sidebar {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--constructor-parts-width);
    height: 100%;
    background: rgba(12, 12, 22, 0.93);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-right: 1px solid rgba(231, 169, 32, 0.25);
    z-index: 20;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
#parts-sidebar.collapsed {
    transform: translateX(calc(-1 * var(--constructor-parts-width)));
}

.sidebar-resize-handle {
    align-items: center;
    appearance: none;
    background: transparent;
    border: 0;
    bottom: 0;
    cursor: ew-resize;
    display: none;
    justify-content: center;
    padding: 0;
    position: absolute;
    right: -8px;
    top: 0;
    touch-action: none;
    width: 16px;
    z-index: 2;
}
.sidebar-resize-handle::before {
    background: rgba(231, 169, 32, 0.42);
    border-radius: 999px;
    content: "";
    height: 58px;
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    width: 3px;
}
.sidebar-resize-handle:hover::before,
.sidebar-resize-handle:focus-visible::before,
body.constructor-page.sidebar-resizing .sidebar-resize-handle::before {
    background: rgba(240, 192, 80, 0.92);
    box-shadow: 0 0 18px rgba(231, 169, 32, 0.42);
    transform: scaleX(1.35);
}
.sidebar-resize-handle:focus-visible {
    outline: 2px solid rgba(240, 192, 80, 0.9);
    outline-offset: -3px;
}

.sidebar-header {
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}
.sidebar-header h3 {
    color: #e7a920;
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
}

.sidebar-close-btn {
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 4px;
    font-size: 18px;
    line-height: 1;
    transition: color 0.2s;
}
.sidebar-close-btn:hover {
    color: #e7a920;
}

.parts-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
    scrollbar-gutter: stable;
    touch-action: pan-y;
    overscroll-behavior: contain;
}
.parts-list::-webkit-scrollbar {
    width: 4px;
}
.parts-list::-webkit-scrollbar-track {
    background: transparent;
}
.parts-list::-webkit-scrollbar-thumb {
    background: rgba(231, 169, 32, 0.5);
    border-radius: 2px;
}

.parts-empty {
    color: #555;
    padding: 20px 15px;
    text-align: center;
    font-size: 12px;
    letter-spacing: 1px;
}

.part-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 9px;
    min-height: 50px;
    padding: 7px 12px 7px 28px;
    margin-bottom: 4px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
    border: 1px solid transparent;
    transition: all 0.2s;
    cursor: grab;
    position: relative;
}
.part-item::before {
    content: '\2807';
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #555;
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.2s;
}
.part-item:hover::before {
    opacity: 1;
}
.part-item:hover {
    background: rgba(231, 169, 32, 0.08);
    border-color: rgba(231, 169, 32, 0.2);
}
.part-item.active {
    background: rgba(231, 169, 32, 0.12);
    border-color: rgba(231, 169, 32, 0.4);
}

.part-name {
    color: #bbb;
    font-size: 12px;
    cursor: pointer;
    flex: 1;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: clip;
    transition: color 0.2s;
}

.part-item .part-icon {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}
.part-item .part-thumb-loading {
    opacity: 0.68;
}
.part-item.has-card-image .part-icon {
    object-fit: cover;
}
.part-item:hover .part-name,
.part-item.active .part-name {
    color: #fff;
}

.part-actions {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}

.part-add-btn,
.part-view-btn {
    background: #e7a920;
    color: #111;
    border: none;
    min-height: 26px;
    padding: 4px 9px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s;
    flex-shrink: 0;
}
.part-view-btn {
    background: rgba(255, 255, 255, 0.06);
    color: #d7d7d7;
    border: 1px solid rgba(255, 255, 255, 0.14);
}
.part-add-btn:hover,
.part-view-btn:hover {
    background: #f0c040;
    color: #111;
    transform: scale(1.05);
}

/* ===================================================
   Part details popup
   =================================================== */
#part-info-modal {
    position: fixed;
    inset: 0;
    z-index: 1300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    background: rgba(0, 0, 0, 0.58);
}
#part-info-modal.hidden {
    display: none;
}
.part-info-card {
    position: relative;
    width: min(520px, 100%);
    max-height: min(720px, calc(100vh - 36px));
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(180px, 42%) 1fr;
    background: rgba(13, 13, 23, 0.98);
    border: 1px solid rgba(231, 169, 32, 0.34);
    border-radius: 8px;
    box-shadow: 0 22px 70px rgba(0, 0, 0, 0.55);
}
.part-info-close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 34px;
    height: 34px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.38);
    color: #eee;
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    z-index: 1;
}
.part-info-close:hover {
    border-color: rgba(231, 169, 32, 0.62);
    color: #e7a920;
}
.part-info-media {
    align-self: start;
    aspect-ratio: 1 / 1;
    min-height: 0;
    overflow: hidden;
    background: linear-gradient(145deg, rgba(231, 169, 32, 0.2), rgba(255, 255, 255, 0.04));
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.82);
    font-family: 'Montserrat', sans-serif;
    font-size: 54px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.part-info-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.part-info-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 24px;
    text-align: center;
}
.part-info-placeholder span {
    font-size: 12px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.66);
    letter-spacing: 1.2px;
}
.part-info-body {
    padding: 28px 26px 24px;
    overflow-y: auto;
}
.part-info-category {
    min-height: 14px;
    color: #e7a920;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    margin-bottom: 8px;
}
#part-info-title {
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-size: 22px;
    line-height: 1.2;
    margin: 0 0 12px;
}
#part-info-description {
    color: #c8c8c8;
    font-size: 13px;
    line-height: 1.55;
    margin: 0 0 18px;
}
.part-info-features-title {
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    line-height: 1.25;
    margin: 0 0 12px;
    text-transform: uppercase;
}
.part-info-features {
    display: grid;
    gap: 10px;
}
.part-info-feature {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-left: 3px solid rgba(231, 169, 32, 0.8);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.04);
    padding: 11px 12px;
}
.part-info-feature i {
    display: inline-block;
    color: #e7a920;
    font-size: 20px;
    margin-bottom: 8px;
}
.part-info-feature h5 {
    color: #fff;
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    line-height: 1.25;
    margin: 0 0 6px;
    text-transform: uppercase;
}
.part-info-feature p {
    color: #c8c8c8;
    font-size: 12px;
    line-height: 1.5;
    margin: 0;
}
.part-info-meta {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 14px;
    margin: 0;
    color: #aaa;
    font-size: 12px;
}
.part-info-meta dt {
    color: #777;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}
.part-info-meta dd {
    margin: 0;
    color: #dedede;
}

/* ===================================================
   Inspector panel (right side / mobile bottom)
   =================================================== */
#constructor-inspector {
    position: absolute;
    top: 10px;
    right: 10px;
    bottom: 82px;
    width: var(--constructor-inspector-width);
    background: rgba(12, 12, 22, 0.93);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(231, 169, 32, 0.25);
    border-radius: 8px;
    padding: 8px;
    z-index: 20;
    display: flex;
    flex-direction: column;
    min-height: 0;
}
.inspector-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    padding: 0 0 8px;
    flex-shrink: 0;
}
.inspector-tab {
    min-height: 34px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.04);
    color: #aaa;
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
}
.inspector-tab.active {
    color: #e7a920;
    border-color: rgba(231, 169, 32, 0.5);
    background: rgba(231, 169, 32, 0.16);
}
.inspector-section {
    display: none;
    min-height: 0;
    overflow-y: auto;
    scrollbar-gutter: stable;
}
.inspector-section.inspector-section-active {
    display: block;
}
.inspector-empty {
    color: #777;
    font-size: 12px;
    line-height: 1.5;
    padding: 14px 10px;
    border: 1px dashed rgba(255, 255, 255, 0.12);
    border-radius: 6px;
    text-align: center;
}
#constructor-inspector.has-selected-part #part-empty {
    display: none;
}

/* ===================================================
   Properties panel
   =================================================== */
#properties-panel {
    background: transparent;
    border: 0;
    border-radius: 0;
    padding: 4px 2px 0;
    transition: opacity 0.2s, transform 0.2s;
}
#properties-panel.hidden {
    display: none;
}

#properties-panel h4 {
    color: #e7a920;
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0 0 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* ===================================================
   Quote / project panel
   =================================================== */
#quote-panel {
    padding: 4px 2px 0;
}
#quote-panel h4 {
    color: #e7a920;
    font-family: 'Montserrat', sans-serif;
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0 0 10px;
}
.quote-field {
    margin-bottom: 8px;
}
.quote-field label {
    display: block;
    color: #777;
    font-size: 10px;
    margin-bottom: 4px;
}
.quote-field input,
.quote-field select {
    width: 100%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: #ddd;
    padding: 7px 8px;
    font-size: 12px;
    outline: none;
    color-scheme: dark;
}
.quote-field select {
    appearance: none;
    -webkit-appearance: none;
    background-image:
        linear-gradient(45deg, transparent 50%, #d4a33a 50%),
        linear-gradient(135deg, #d4a33a 50%, transparent 50%);
    background-position:
        calc(100% - 14px) 52%,
        calc(100% - 9px) 52%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    padding-right: 28px;
}
.quote-field select option {
    background: #11111d;
    color: #ddd;
}
.quote-field input:focus,
.quote-field select:focus {
    border-color: rgba(231, 169, 32, 0.5);
}
.quote-actions {
    display: flex;
    gap: 6px;
    margin-bottom: 8px;
}
.quote-btn {
    flex: 1;
    background: rgba(231, 169, 32, 0.2);
    border: 1px solid rgba(231, 169, 32, 0.45);
    color: #f0d799;
    border-radius: 4px;
    padding: 7px 8px;
    font-size: 11px;
    cursor: pointer;
}
.quote-btn.secondary {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.14);
    color: #ccc;
}
.quote-btn.final-action {
    min-height: 42px;
    background: linear-gradient(180deg, #f3bf49, #d49313);
    border-color: rgba(255, 221, 120, 0.85);
    color: #15100a;
    box-shadow: 0 10px 24px rgba(231, 169, 32, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.35);
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}
.quote-btn:hover {
    border-color: rgba(231, 169, 32, 0.7);
}
.quote-btn.final-action:hover {
    background: linear-gradient(180deg, #ffd56c, #e0a018);
    border-color: rgba(255, 234, 150, 0.95);
    color: #0f0b06;
    transform: translateY(-1px);
}
.quote-btn.final-action:focus-visible {
    outline: 2px solid rgba(255, 238, 170, 0.95);
    outline-offset: 2px;
}
.quote-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #ddd;
    padding: 6px 0 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 8px;
}
.quote-total-row strong {
    color: #f0d799;
}
.quote-list,
.warning-list {
    list-style: none;
    margin: 0 0 10px;
    padding: 0;
}
.quote-list li,
.warning-list li {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    color: #bbb;
    font-size: 11px;
    margin-bottom: 6px;
}
.warning-list li {
    justify-content: flex-start;
}
.warning-list li.warning {
    color: #ffd37d;
}
.warning-list li.error {
    color: #ff8d8d;
}
.warning-list li.ok {
    color: #94d69f;
}

.prop-group {
    margin-bottom: 8px;
}
.prop-group label {
    color: #666;
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 4px;
}
.prop-row {
    display: flex;
    align-items: center;
    gap: 4px;
}
.prop-row span {
    color: #555;
    font-size: 10px;
    width: 12px;
    text-align: center;
    flex-shrink: 0;
}
.prop-row input[type="number"] {
    width: 100%;
    flex: 1;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    color: #ddd;
    padding: 3px 5px;
    font-size: 11px;
    text-align: center;
    outline: none;
    -moz-appearance: textfield;
}
.prop-row input[type="number"]::-webkit-inner-spin-button,
.prop-row input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.prop-row input[type="number"]:focus {
    border-color: #e7a920;
    background: rgba(231, 169, 32, 0.06);
}

/* --- Bond controls inside properties panel --- */
.bond-group.hidden {
    display: none;
}
.bond-info-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}
.bond-info-row span {
    color: #4caf50;
    font-size: 11px;
    font-weight: 500;
}
.prop-btn {
    background: rgba(255, 82, 82, 0.18);
    border: 1px solid rgba(255, 82, 82, 0.4);
    color: #ff8d8d;
    padding: 3px 10px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s;
    flex-shrink: 0;
}
.prop-btn:hover {
    background: rgba(255, 82, 82, 0.3);
    border-color: rgba(255, 82, 82, 0.7);
    color: #fff;
}

/* ===================================================
   Snap suggestion (floating above toolbar)
   =================================================== */
#snap-suggestion {
    position: absolute;
    bottom: 74px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 30;
    transition: opacity 0.25s ease, transform 0.25s ease;
}
#snap-suggestion.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) translateY(10px);
}
#btn-snap-bond {
    background: rgba(231, 169, 32, 0.22);
    border: 1.5px solid rgba(231, 169, 32, 0.6);
    color: #f0d799;
    padding: 10px 22px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    white-space: nowrap;
    animation: snapPulse 1.8s ease-in-out infinite;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background 0.2s, border-color 0.2s, transform 0.15s;
}
#btn-snap-bond:hover {
    background: rgba(231, 169, 32, 0.35);
    border-color: rgba(231, 169, 32, 0.9);
    transform: scale(1.04);
}
#btn-snap-bond:active {
    transform: scale(0.97);
}
#btn-snap-bond svg {
    flex-shrink: 0;
}
@keyframes snapPulse {
    0%, 100% { box-shadow: 0 0 10px rgba(231, 169, 32, 0.25), 0 2px 12px rgba(0,0,0,0.3); }
    50%      { box-shadow: 0 0 22px rgba(231, 169, 32, 0.55), 0 2px 12px rgba(0,0,0,0.3); }
}

/* ===================================================
   Bottom toolbar
   =================================================== */
#constructor-toolbar {
    position: absolute;
    bottom: 14px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(12, 12, 22, 0.93);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(231, 169, 32, 0.25);
    border-radius: 10px;
    padding: 7px 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 20;
}

.toolbar-more-toggle {
    display: none;
}

@media (min-width: 769px) {
    .sidebar-resize-handle {
        display: flex;
    }
    #parts-sidebar.collapsed .sidebar-resize-handle {
        pointer-events: none;
    }
    #constructor-toolbar {
        left: calc(var(--constructor-parts-width) + 12px);
        right: calc(var(--constructor-inspector-width) + 20px);
        transform: none;
        justify-content: center;
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: none;
    }
    #constructor-toolbar::-webkit-scrollbar {
        display: none;
    }
    #parts-sidebar.collapsed ~ #constructor-toolbar {
        left: 14px;
    }
    .toolbar-btn {
        padding-left: 8px;
        padding-right: 8px;
        gap: 4px;
    }
    .toolbar-btn .kbd {
        display: none;
    }
}

@media (min-width: 769px) and (max-width: 1699px) {
    .toolbar-btn {
        min-width: 38px;
        justify-content: center;
    }
    .toolbar-btn .btn-label {
        display: none;
    }
}

.toolbar-group {
    display: flex;
    gap: 3px;
}
.toolbar-divider {
    width: 1px;
    height: 26px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 6px;
    flex-shrink: 0;
}

.toolbar-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid transparent;
    color: #888;
    padding: 7px 12px;
    border-radius: 6px;
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
    white-space: nowrap;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0.5px;
}
.toolbar-btn:hover {
    background: rgba(231, 169, 32, 0.1);
    color: #e7a920;
    border-color: rgba(231, 169, 32, 0.15);
}
.toolbar-btn.active {
    background: rgba(231, 169, 32, 0.18);
    border-color: rgba(231, 169, 32, 0.5);
    color: #e7a920;
}
.toolbar-btn.danger {
    color: #e6a0a0;
}
.toolbar-btn.danger:hover {
    background: rgba(210, 64, 64, 0.16);
    border-color: rgba(230, 100, 100, 0.38);
    color: #ffb4b4;
}
.toolbar-btn[disabled] {
    opacity: 0.4;
    pointer-events: none;
}
.toolbar-btn.has-changes {
    position: relative;
}
.toolbar-btn.has-changes::after {
    content: "";
    position: absolute;
    top: 3px;
    right: 3px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #e7a920;
    box-shadow: 0 0 4px rgba(231, 169, 32, 0.6);
}
#btn-save-project.has-changes {
    box-shadow: 0 0 0 1px #e7a920 inset;
}
#project-name.has-changes {
    border-color: #e7a920;
    box-shadow: 0 0 0 1px rgba(231, 169, 32, 0.5);
}
#project-name.has-changes::placeholder {
    color: #e7a920;
}
.toolbar-btn svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}
.toolbar-btn .btn-label {
    pointer-events: none;
}

/* --- Keyboard hint badges --- */
.toolbar-btn .kbd {
    display: inline-block;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 9px;
    color: #666;
    margin-left: 2px;
    font-family: monospace;
}

/* ===================================================
   Onboarding / help panel
   =================================================== */
#constructor-help {
    position: absolute;
    left: calc(var(--constructor-parts-width) + 12px);
    bottom: 80px;
    width: 320px;
    background: rgba(12, 12, 22, 0.96);
    border: 1px solid rgba(231, 169, 32, 0.25);
    border-radius: 8px;
    padding: 12px;
    z-index: 21;
    transform: translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}
#parts-sidebar.collapsed ~ #constructor-help {
    left: 10px;
}
#constructor-help.visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}
#constructor-help .help-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}
#constructor-help h4 {
    margin: 0;
    color: #e7a920;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}
#constructor-help button {
    background: none;
    border: none;
    color: #888;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
}
#constructor-help ul {
    margin: 0;
    padding-left: 18px;
}
#constructor-help li {
    color: #bbb;
    font-size: 12px;
    line-height: 1.45;
    margin-bottom: 6px;
}

/* ===================================================
   Mobile sidebar toggle (floating button)
   =================================================== */
#mobile-sidebar-toggle {
    display: none;
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 25;
    background: rgba(12, 12, 22, 0.93);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(231, 169, 32, 0.25);
    border-radius: 8px;
    color: #e7a920;
    padding: 10px 14px;
    font-size: 12px;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 1px;
    text-transform: uppercase;
}
#mobile-sidebar-toggle:hover {
    background: rgba(231, 169, 32, 0.12);
}

/* ===================================================
   Sidebar backdrop (mobile only, visible via JS)
   =================================================== */
#sidebar-backdrop {
    display: none;
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 15;
    opacity: 0;
    transition: opacity 0.3s ease;
}
#sidebar-backdrop.visible {
    opacity: 1;
}

/* ===================================================
   Parts count badge
   =================================================== */
.parts-count {
    display: none;
    background: #e7a920;
    color: #111;
    font-size: 9px;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    line-height: 16px;
    text-align: center;
    border-radius: 8px;
    padding: 0 4px;
}
.parts-count.has-count {
    display: inline-block;
}

/* ===================================================
   WebGL fallback message
   =================================================== */
#webgl-error {
    display: none;
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #888;
    z-index: 50;
}
#webgl-error h3 {
    color: #e7a920;
    font-size: 18px;
    margin-bottom: 10px;
}
#webgl-error p {
    font-size: 13px;
    line-height: 1.6;
}

/* ===================================================
   Drag-and-drop states
   =================================================== */
body.constructor-dragging {
    cursor: grabbing !important;
    user-select: none;
    -webkit-user-select: none;
}
body.constructor-dragging * {
    cursor: grabbing !important;
}
.part-item.dragging {
    opacity: 0.4;
    touch-action: none;
}
#constructor-viewport.drag-over {
    box-shadow: inset 0 0 30px rgba(231, 169, 32, 0.12);
    transition: box-shadow 0.2s ease;
}

/* ===================================================
   Extra model loading states
   =================================================== */
.part-item.loading {
    cursor: default;
    pointer-events: none;
}
.part-item.loading .part-name {
    background: linear-gradient(90deg,
        rgba(255, 255, 255, 0.04) 25%,
        rgba(231, 169, 32, 0.08) 50%,
        rgba(255, 255, 255, 0.04) 75%);
    background-size: 200% 100%;
    animation: partShimmer 1.5s ease infinite;
    border-radius: 3px;
    padding: 2px 4px;
}
@keyframes partShimmer {
    to { background-position: -200% 0; }
}
.part-loading-hint {
    color: #555;
    font-size: 10px;
    flex-shrink: 0;
}
.part-item.load-error {
    pointer-events: none;
    cursor: default;
}
.part-item.load-error .part-name {
    color: #ff8d8d;
    background: none;
    animation: none;
}
.part-item.load-error::before {
    display: none;
}

/* ===================================================
   Responsive: tablet & mobile
   =================================================== */
@media (max-width: 1024px) {
    body.constructor-page {
        --constructor-parts-width: 220px;
        --constructor-parts-max-width: 360px;
        --constructor-inspector-width: 280px;
    }
    #parts-sidebar {
        width: var(--constructor-parts-width);
    }
    #parts-sidebar.collapsed {
        transform: translateX(calc(-1 * var(--constructor-parts-width)));
    }
    #constructor-inspector {
        width: var(--constructor-inspector-width);
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    #view-cube {
        top: 58px;
        width: 84px;
        height: 84px;
    }
    #constructor-toolbar {
        justify-content: flex-start;
    }
}

@media (min-width: 1025px) and (max-width: 1180px) {
    #view-cube {
        top: 56px;
    }
}

@media (max-width: 768px) {
    body.constructor-page {
        --constructor-mobile-edge: 8px;
        --constructor-mobile-toolbar-size: 42px;
    }
    body.constructor-page .ak-cookie-consent {
        --constructor-cookie-top-gap: 54px;
        --constructor-mobile-inspector-reserve: min(34vh, 300px);
        top: calc(var(--constructor-topbar-height) + var(--constructor-cookie-top-gap));
        bottom: auto;
        left: 8px;
        right: 8px;
        max-height: calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-cookie-top-gap) - var(--constructor-mobile-panel-bottom) - var(--constructor-mobile-inspector-reserve) - 10px);
        z-index: 80;
    }
    @supports (height: 100svh) {
        body.constructor-page .ak-cookie-consent {
            --constructor-mobile-inspector-reserve: min(34svh, 300px);
        }
    }
    body.constructor-page .ak-cookie-consent .ak-cc-inner {
        padding: 14px;
    }
    body.constructor-page .ak-cookie-consent .ak-cc-text h3 {
        font-size: 12px;
        letter-spacing: 2px;
        margin-bottom: 6px;
    }
    body.constructor-page .ak-cookie-consent .ak-cc-text p {
        font-size: 11px;
        line-height: 1.45;
    }
    body.constructor-page .ak-cookie-consent .ak-cc-actions {
        gap: 8px;
        margin-top: 12px;
    }
    body.constructor-page .ak-cookie-consent .ak-cc-btn {
        padding: 9px 10px;
        font-size: 9px;
        letter-spacing: 1.2px;
    }
    body.constructor-page #wrap {
        padding-top: var(--constructor-topbar-height);
    }
    body.constructor-page .header-two {
        display: block !important;
    }
    body.constructor-page .constructor-header-title {
        max-width: calc(100% - 150px);
        overflow: hidden;
        text-overflow: ellipsis;
        font-size: 13px;
        letter-spacing: 1.6px;
    }
    #view-cube {
        top: 54px;
        right: 8px;
        width: 70px;
        height: 70px;
        z-index: 48;
        border-radius: 7px;
    }

    /* --- Parts sidebar → bottom sheet --- */
    #parts-sidebar {
        position: fixed;
        width: 100%;
        height: auto;
        max-height: min(40vh, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 14px));
        max-height: min(40svh, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 14px));
        top: auto;
        bottom: var(--constructor-mobile-panel-bottom);
        left: 0;
        right: 0;
        border-right: none;
        border-top: 1px solid rgba(231, 169, 32, 0.3);
        border-radius: 14px 14px 0 0;
        z-index: 50;
    }
    .sidebar-resize-handle {
        display: none;
    }
    #parts-sidebar:not(.collapsed) ~ #constructor-inspector {
        opacity: 0;
        pointer-events: none;
        transform: translateY(10px);
    }
    #parts-sidebar.collapsed {
        transform: translateY(calc(100% + var(--constructor-mobile-panel-bottom)));
    }
    /* Drag handle indicator */
    #parts-sidebar::before {
        content: '';
        display: block;
        width: 36px;
        height: 4px;
        background: rgba(255, 255, 255, 0.15);
        border-radius: 2px;
        margin: 8px auto 0;
    }
    .sidebar-header {
        padding: 8px 16px 10px;
    }
    .sidebar-header h3 {
        font-size: 10px;
    }
    .parts-list {
        padding: 4px 8px 8px;
    }
    .part-item {
        padding: 12px 14px;
        margin-bottom: 3px;
    }
    .part-item .part-icon {
        width: 30px;
        height: 30px;
    }
    .part-item::before {
        display: none;
    }
    .part-name {
        font-size: 13px;
    }
    .part-add-btn {
        padding: 6px 14px;
        font-size: 11px;
    }
    .part-view-btn {
        padding: 6px 12px;
        font-size: 11px;
    }

    .part-info-card {
        grid-template-columns: 1fr;
        width: min(460px, 100%);
        max-height: calc(var(--constructor-viewport-height, 100vh) - 28px - var(--constructor-safe-bottom));
    }
    .part-info-media {
        max-height: min(360px, 46vh);
        font-size: 44px;
    }
    .part-info-body {
        padding: 20px 18px 18px;
    }

    /* --- Mobile toggle: prominent floating pill --- */
    #mobile-sidebar-toggle {
        display: flex;
        align-items: center;
        gap: 6px;
        top: 8px;
        left: 8px;
        padding: 8px 14px;
        font-size: 11px;
        border-radius: 20px;
        z-index: 55;
    }
    #constructor-status {
        top: 8px;
        left: 128px;
        right: 8px;
        max-width: none;
        transform: none;
        font-size: 10px;
        padding: 7px 10px;
    }

    /* --- Snap suggestion: compact on mobile --- */
    #snap-suggestion {
        top: 52px;
        bottom: auto;
        max-width: calc(100vw - 16px);
        z-index: 70;
    }
    #btn-snap-bond {
        padding: 9px 16px;
        font-size: 11px;
        border-radius: 12px;
        max-width: calc(100vw - 24px);
        justify-content: center;
    }

    /* --- Toolbar: touch-friendly (min 44px targets) --- */
    .toolbar-more-toggle {
        position: absolute;
        right: 8px;
        bottom: var(--constructor-mobile-toolbar-bottom);
        width: 42px;
        height: 42px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #e7a920;
        background: rgba(12, 12, 22, 0.96);
        border: 1px solid rgba(231, 169, 32, 0.45);
        border-radius: 12px;
        z-index: 68;
        cursor: pointer;
        box-shadow: 0 8px 22px rgba(0, 0, 0, 0.32);
    }
    .toolbar-more-toggle svg {
        width: 19px;
        height: 19px;
    }
    .toolbar-more-toggle.active {
        background: rgba(231, 169, 32, 0.2);
        border-color: rgba(231, 169, 32, 0.85);
    }
    #constructor-toolbar {
        bottom: var(--constructor-mobile-toolbar-bottom);
        left: 8px;
        right: 58px;
        transform: none;
        justify-content: flex-start;
        padding: 4px 6px;
        gap: 2px;
        border-radius: 14px;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        z-index: 60;
    }
    #constructor-toolbar > .toolbar-divider,
    #constructor-toolbar > .toolbar-group:not(:first-of-type) {
        display: none;
    }
    #constructor-toolbar.expanded {
        bottom: var(--constructor-mobile-panel-bottom);
        right: 8px;
        max-height: min(40vh, 270px, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 14px));
        max-height: min(40svh, 270px, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 14px));
        flex-wrap: wrap;
        align-content: flex-start;
        overflow-y: auto;
        padding: 8px;
        box-shadow: 0 12px 34px rgba(0, 0, 0, 0.42);
    }
    #constructor-toolbar.expanded > .toolbar-group {
        display: flex;
        flex-wrap: wrap;
    }
    #constructor-toolbar.expanded > .toolbar-divider {
        display: none;
    }
    #constructor-toolbar::-webkit-scrollbar {
        display: none;
    }
    .toolbar-group {
        flex: 0 0 auto;
    }
    .toolbar-btn {
        padding: 0;
        min-width: 42px;
        min-height: 42px;
        flex: 0 0 auto;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 10px;
        font-size: 10px;
    }
    .toolbar-btn svg {
        width: 18px;
        height: 18px;
    }
    .toolbar-btn .btn-label {
        display: none;
    }
    .toolbar-btn .kbd {
        display: none;
    }
    .toolbar-divider {
        height: 22px;
        margin: 0 2px;
    }

    /* --- Inspector panel: single bottom surface above toolbar --- */
    #constructor-inspector {
        top: auto;
        bottom: var(--constructor-mobile-panel-bottom);
        left: 8px;
        right: 8px;
        width: auto;
        max-height: min(34vh, 300px, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 14px));
        max-height: min(34svh, 300px, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 14px));
        padding: 7px;
        border-radius: 12px;
        z-index: 35;
    }
    .inspector-tab {
        min-height: 32px;
        font-size: 9px;
    }
    #properties-panel h4 {
        font-size: 9px;
        margin: 0 0 8px;
        padding-bottom: 6px;
    }
    .prop-group label {
        font-size: 8px;
    }
    .prop-row input[type="number"] {
        padding: 4px 5px;
        font-size: 12px;
    }
    #quote-panel h4 {
        font-size: 9px;
        margin-bottom: 6px;
    }
    .quote-field input,
    .quote-field select,
    .quote-btn {
        font-size: 11px;
        padding: 6px 7px;
    }
    .quote-list li,
    .warning-list li {
        font-size: 10px;
    }

    #constructor-help {
        position: fixed;
        width: min(calc(100vw - 32px), 360px);
        left: 50%;
        right: auto;
        top: 50%;
        bottom: auto;
        max-height: min(72vh, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 24px));
        overflow-y: auto;
        z-index: 60;
        transform: translate(-50%, calc(-50% + 14px));
    }
    #parts-sidebar.collapsed ~ #constructor-help,
    #constructor-help.visible {
        left: 50%;
        transform: translate(-50%, -50%);
    }
    #parts-sidebar:not(.collapsed) ~ #constructor-help {
        opacity: 0;
        pointer-events: none;
        transform: translate(-50%, calc(-50% + 12px));
    }

    /* --- Backdrop: active on mobile --- */
    #sidebar-backdrop {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        bottom: calc(-1 * var(--constructor-safe-bottom));
        z-index: 45;
        pointer-events: none;
    }
    #sidebar-backdrop.visible {
        pointer-events: auto;
    }

    /* --- Loading overlay: mobile --- */
    .loading-bar {
        width: 200px;
    }
    .loading-spinner {
        width: 36px;
        height: 36px;
    }
    #loading-text {
        font-size: 11px;
    }

    /* --- Sidebar close btn: enlarged touch target --- */
    .sidebar-close-btn {
        min-width: 36px;
        min-height: 36px;
        font-size: 22px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    body.constructor-page {
        --constructor-mobile-edge: 6px;
        --constructor-mobile-toolbar-size: 38px;
        --constructor-mobile-panel-bottom: calc(var(--constructor-mobile-toolbar-bottom) + var(--constructor-mobile-toolbar-size) + 8px);
    }
    body.constructor-page .ak-cookie-consent {
        --constructor-cookie-top-gap: 50px;
        --constructor-mobile-inspector-reserve: min(32vh, 270px);
    }
    @supports (height: 100svh) {
        body.constructor-page .ak-cookie-consent {
            --constructor-mobile-inspector-reserve: min(32svh, 270px);
        }
    }
    body.constructor-page .constructor-header-title {
        max-width: calc(100% - 125px);
        font-size: 12px;
        letter-spacing: 1.2px;
    }
    #view-cube {
        width: 64px;
        height: 64px;
    }

    #mobile-sidebar-toggle {
        padding: 7px 12px;
        font-size: 10px;
    }

    /* Toolbar: icon-only, compact */
    .toolbar-btn {
        min-width: 38px;
        min-height: 38px;
    }
    .toolbar-btn svg {
        width: 16px;
        height: 16px;
    }
    .toolbar-divider {
        margin: 0 1px;
    }

    .prop-row input[type="number"] {
        font-size: 11px;
    }

    /* Bottom sheet: tighter */
    #parts-sidebar {
        max-height: min(35vh, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 12px));
        max-height: min(35svh, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 12px));
        bottom: var(--constructor-mobile-panel-bottom);
    }
    #parts-sidebar.collapsed {
        transform: translateY(calc(100% + var(--constructor-mobile-panel-bottom)));
    }
    .part-item {
        padding: 10px 12px;
    }
    .part-name {
        font-size: 12px;
    }
    .part-add-btn {
        padding: 5px 10px;
        font-size: 10px;
    }

    #snap-suggestion {
        top: 48px;
        bottom: auto;
    }

    #constructor-inspector {
        bottom: var(--constructor-mobile-panel-bottom);
        max-height: min(32vh, 270px, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 12px));
        max-height: min(32svh, 270px, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 12px));
    }
}

/* Landscape phones: limited height */
@media (max-height: 500px) and (max-width: 900px) {
    body.constructor-page {
        --constructor-topbar-height: 58px;
        --constructor-mobile-edge: 4px;
        --constructor-mobile-toolbar-size: 38px;
        --constructor-mobile-panel-bottom: calc(var(--constructor-mobile-toolbar-bottom) + var(--constructor-mobile-toolbar-size) + 6px);
    }
    body.constructor-page .ak-cookie-consent {
        --constructor-cookie-top-gap: 6px;
        --constructor-mobile-inspector-reserve: 0px;
        top: calc(var(--constructor-topbar-height) + var(--constructor-cookie-top-gap));
        bottom: auto;
        max-height: calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-cookie-top-gap) - var(--constructor-mobile-panel-bottom) - 8px);
    }
    body.constructor-page .ak-cookie-consent .ak-cc-inner {
        padding: 12px 14px;
    }
    body.constructor-page .ak-cookie-consent .ak-cc-actions {
        flex-direction: row;
        justify-content: flex-end;
    }
    body.constructor-page .ak-cookie-consent .ak-cc-btn {
        width: auto;
    }
    body.constructor-page .constructor-header-title {
        font-size: 11px;
        letter-spacing: 1px;
    }
    #view-cube {
        top: 60px;
        right: 318px;
        right: calc(min(300px, 44vw) + 18px);
        width: 56px;
        height: 56px;
    }
    #parts-sidebar {
        position: fixed;
        width: 100%;
        height: auto;
        max-height: min(30vh, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 10px));
        max-height: min(30svh, calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 10px));
        top: auto;
        bottom: var(--constructor-mobile-panel-bottom);
        left: 0;
        right: 0;
        border-right: none;
        border-top: 1px solid rgba(231, 169, 32, 0.3);
        border-radius: 14px 14px 0 0;
        z-index: 50;
    }
    #parts-sidebar.collapsed {
        transform: translateY(calc(100% + var(--constructor-mobile-panel-bottom)));
    }
    #parts-sidebar:not(.collapsed) ~ #constructor-inspector {
        opacity: 0;
        pointer-events: none;
        transform: translateY(10px);
    }
    #mobile-sidebar-toggle {
        display: flex;
        align-items: center;
        gap: 6px;
        top: 6px;
        left: 8px;
        padding: 7px 12px;
        font-size: 10px;
        border-radius: 20px;
        z-index: 55;
    }
    #sidebar-backdrop {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        bottom: calc(-1 * var(--constructor-safe-bottom));
        z-index: 45;
        pointer-events: none;
    }
    #sidebar-backdrop.visible {
        pointer-events: auto;
    }
    .toolbar-more-toggle {
        position: absolute;
        right: 8px;
        bottom: var(--constructor-mobile-toolbar-bottom);
        width: 38px;
        height: 38px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #e7a920;
        background: rgba(12, 12, 22, 0.96);
        border: 1px solid rgba(231, 169, 32, 0.45);
        border-radius: 12px;
        z-index: 68;
        cursor: pointer;
        box-shadow: 0 8px 22px rgba(0, 0, 0, 0.32);
    }
    .toolbar-more-toggle svg {
        width: 17px;
        height: 17px;
    }
    .toolbar-more-toggle.active {
        background: rgba(231, 169, 32, 0.2);
        border-color: rgba(231, 169, 32, 0.85);
    }
    #constructor-toolbar {
        bottom: var(--constructor-mobile-toolbar-bottom);
        left: 8px;
        right: 50px;
        transform: none;
        justify-content: flex-start;
        padding: 3px 6px;
        gap: 2px;
        border-radius: 14px;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        z-index: 60;
    }
    #constructor-toolbar > .toolbar-divider,
    #constructor-toolbar > .toolbar-group:not(:first-of-type) {
        display: none;
    }
    #constructor-toolbar.expanded {
        bottom: var(--constructor-mobile-panel-bottom);
        right: 8px;
        max-height: calc(var(--constructor-viewport-height, 100vh) - var(--constructor-topbar-height) - var(--constructor-mobile-panel-bottom) - 10px);
        flex-wrap: wrap;
        overflow-y: auto;
    }
    #constructor-toolbar.expanded > .toolbar-group {
        display: flex;
        flex-wrap: wrap;
    }
    #constructor-toolbar.expanded > .toolbar-divider {
        display: none;
    }
    #constructor-toolbar::-webkit-scrollbar {
        display: none;
    }
    .toolbar-group {
        flex: 0 0 auto;
    }
    #snap-suggestion {
        top: 42px;
        bottom: auto;
    }
    #constructor-inspector {
        top: 8px;
        right: 8px;
        bottom: var(--constructor-mobile-panel-bottom);
        left: auto;
        width: min(300px, 44vw);
        max-height: none;
    }
    .toolbar-btn {
        padding: 0;
        min-width: 34px;
        min-height: 34px;
        flex: 0 0 auto;
        justify-content: center;
        border-radius: 10px;
    }
    .toolbar-btn svg {
        width: 16px;
        height: 16px;
    }
    .toolbar-btn .btn-label,
    .toolbar-btn .kbd {
        display: none;
    }
}