/* ============================================
   Kalkulačka potlače - Styles
   ============================================ */

/* --- Main Layout --- */
.calc-section {
    padding-bottom: var(--space-16);
}

.calc-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-8);
}

@media (min-width: 1024px) {
    .calc-main {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: var(--space-10);
    }
}

/* --- Preview Column (sticky on desktop) --- */
.calc-preview-col {
    order: -1;
}

@media (min-width: 1024px) {
    .calc-preview-col {
        position: sticky;
        top: 90px;
        align-self: start;
    }
}

/* --- Preview Card --- */
.calc-preview-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-5);
    overflow: hidden;
}

/* --- Product Type Switch --- */
.calc-type-switch {
    display: flex;
    gap: 2px;
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    padding: 3px;
    margin-bottom: var(--space-4);
}

.calc-type-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border: none;
    border-radius: calc(var(--radius-lg) - 2px);
    background: transparent;
    color: var(--color-gray-500);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calc-type-btn:hover {
    color: var(--color-gray-700);
}

.calc-type-btn.active {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* --- View Tabs (4 tabs) --- */
.calc-view-tabs {
    display: flex;
    gap: 3px;
    margin-bottom: var(--space-4);
}

.calc-view-tab {
    flex: 1;
    padding: var(--space-2) var(--space-1);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-gray-500);
    font-weight: 500;
    font-size: 11px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    white-space: nowrap;
}

.calc-view-tab:hover {
    border-color: var(--color-gray-300);
    color: var(--color-gray-700);
}

.calc-view-tab.active {
    border-color: var(--color-primary);
    background: rgba(101, 180, 38, 0.06);
    color: var(--color-primary);
    font-weight: 600;
}

.calc-view-tab.has-design::after {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--color-primary);
    margin-left: 3px;
    vertical-align: middle;
    margin-bottom: 1px;
}

/* --- Preview Stage --- */
.calc-preview-stage {
    position: relative;
    aspect-ratio: 4 / 5;
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-3);
    transition: box-shadow 0.15s ease, outline 0.15s ease;
}
.calc-preview-stage.stage-dragover {
    outline: 2px dashed var(--color-primary);
    outline-offset: -4px;
    box-shadow: 0 0 0 4px rgba(101, 180, 38, 0.15);
}

/* --- Shirt Background Image --- */
.calc-shirt-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
    padding: 6px;
    box-sizing: border-box;
    transition: opacity 0.2s ease;
}

/* --- CSS Silhouette (hoodie fallback) --- */
.calc-silhouette {
    position: absolute;
    inset: 5%;
    transition: background-color var(--transition-normal);
    z-index: 1;
}

.calc-silhouette.hoodie-front {
    clip-path: polygon(
        28% 0%, 32% 0%, 36% 5%, 42% 9%, 46% 10%, 50% 12%, 54% 10%, 58% 9%, 64% 5%, 68% 0%, 72% 0%,
        100% 18%, 100% 32%, 82% 28%, 82% 100%, 18% 100%, 18% 28%, 0% 32%, 0% 18%
    );
}

.calc-silhouette.hoodie-back {
    clip-path: polygon(
        28% 0%, 38% 0%, 44% 3%, 50% 4%, 56% 3%, 62% 0%, 72% 0%,
        100% 18%, 100% 32%, 82% 28%, 82% 100%, 18% 100%, 18% 28%, 0% 32%, 0% 18%
    );
}

.calc-silhouette.hoodie-sleeve,
.calc-silhouette.hoodie-sleeve_right {
    clip-path: polygon(
        25% 0%, 75% 0%, 90% 18%, 90% 32%, 75% 28%, 75% 100%, 25% 100%, 25% 28%, 10% 32%, 10% 18%
    );
}

/* --- Draggable Print Zone --- */
.calc-print-zone {
    position: absolute;
    border: 2px dashed var(--color-primary);
    border-radius: 3px;
    cursor: grab;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: border-color 0.15s;
    touch-action: none;
    background: rgba(101, 180, 38, 0.04);
}

.calc-print-zone:hover {
    border-color: var(--color-primary);
    background: rgba(101, 180, 38, 0.06);
}

.calc-print-zone.dragging {
    cursor: grabbing;
    border-style: solid;
    background: rgba(101, 180, 38, 0.08);
    box-shadow: 0 4px 16px rgba(101, 180, 38, 0.25);
}

.calc-design-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: none;
    pointer-events: none;
    user-select: none;
}

.calc-design-img.visible {
    display: block;
}

/* --- Drag Hint inside print zone (when empty) --- */
.calc-print-zone::after {
    content: '✥';
    position: absolute;
    font-size: 18px;
    color: rgba(101, 180, 38, 0.3);
    pointer-events: none;
}

.calc-print-zone:has(.calc-design-img.visible)::after {
    display: none;
}

/* --- Dimension Labels --- */
.calc-dim {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 12;
}

.calc-dim span {
    background: var(--color-primary);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: var(--radius-md);
    white-space: nowrap;
    line-height: 1.5;
    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.calc-dim-w {
    flex-direction: row;
    gap: 4px;
}

.calc-dim-w::before,
.calc-dim-w::after {
    content: '';
    height: 1px;
    background: var(--color-primary);
    min-width: 6px;
    flex: 1;
    opacity: 0.5;
}

.calc-dim-h {
    flex-direction: column;
    gap: 4px;
}

.calc-dim-h::before,
.calc-dim-h::after {
    content: '';
    width: 1px;
    background: var(--color-primary);
    min-height: 6px;
    flex: 1;
    opacity: 0.5;
}

/* --- 3D Placeholder --- */
.calc-3d-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 1px dashed var(--color-gray-200);
    color: var(--color-gray-400);
    font-size: var(--font-size-xs);
    font-weight: 500;
}

/* --- Config Column Cards --- */
.calc-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
}

.calc-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.calc-reset-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-left: auto;
    padding: 3px 8px;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    background: none;
    color: var(--color-gray-400);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
    white-space: nowrap;
}
.calc-reset-btn:hover {
    color: #e53e3e;
    border-color: #e53e3e;
}

.calc-card-header svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.calc-card-header h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-gray-800);
    margin: 0;
}

.calc-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

/* --- Upload Area --- */
.calc-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-6) var(--space-4);
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    color: var(--color-gray-400);
}

.calc-upload:hover,
.calc-upload.dragover {
    border-color: var(--color-primary);
    background: rgba(101, 180, 38, 0.04);
    color: var(--color-primary);
}

.calc-upload p {
    font-weight: 500;
    color: var(--color-gray-600);
    margin: 0;
}

.calc-upload span {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
}

.calc-upload-text-compact { display: none; }

.calc-upload.compact {
    flex-direction: row;
    padding: 8px 12px;
    gap: var(--space-2);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-2);
}
.calc-upload.compact .calc-upload-icon { width: 16px; height: 16px; flex-shrink: 0; }
.calc-upload.compact .calc-upload-text-full { display: none; }
.calc-upload.compact .calc-upload-text-compact { display: block; font-size: var(--font-size-sm); }
.calc-upload.compact > span { display: none; }

.calc-upload.hidden {
    display: none;
}

.calc-upload-preview {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-lg);
    background: rgba(101, 180, 38, 0.04);
}

.calc-upload-preview img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    flex-shrink: 0;
}

.calc-upload-info {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    min-width: 0;
}

.calc-upload-info span {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calc-upload-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-gray-400);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.calc-upload-remove:hover {
    background: #fee2e2;
    color: #dc2626;
}

/* --- Print Size Presets --- */
.calc-presets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.calc-preset {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--space-2) var(--space-1);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calc-preset:hover {
    border-color: var(--color-gray-400);
}

.calc-preset.active {
    border-color: var(--color-primary);
    background: rgba(101, 180, 38, 0.06);
}

.calc-preset strong {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--color-gray-700);
}

.calc-preset.active strong {
    color: var(--color-primary);
}

.calc-preset span {
    font-size: 10px;
    color: var(--color-gray-500);
    white-space: nowrap;
}

/* --- Sliders + Aspect Lock --- */
.calc-sliders {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.calc-slider-row {
    display: grid;
    grid-template-columns: 50px minmax(0, 1fr) 56px;
    align-items: center;
    gap: var(--space-3);
}

.calc-slider-row label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-600);
}

.calc-slider-row output {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-primary);
    text-align: right;
}

/* --- Aspect Lock Row --- */
.calc-aspect-lock-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4px;
    padding: 2px 0;
}

.calc-aspect-lock {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 1.5px solid var(--color-gray-200);
    border-radius: 50%;
    background: transparent;
    color: var(--color-gray-400);
    cursor: pointer;
    transition: all var(--transition-fast);
    line-height: 1;
    flex-shrink: 0;
}

.calc-aspect-lock:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.calc-aspect-lock.locked {
    border-color: var(--color-primary);
    background: rgba(101, 180, 38, 0.08);
    color: var(--color-primary);
}

/* Lock icon toggling */
.calc-lock-icon-open  { display: inline-flex; }
.calc-lock-icon-closed { display: none; }
.calc-aspect-lock.locked .calc-lock-icon-open  { display: none; }
.calc-aspect-lock.locked .calc-lock-icon-closed { display: inline-flex; }

/* --- Flip Buttons (panel) --- */
.calc-flip-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-gray-400);
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}
.calc-flip-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}
.calc-flip-btn.active {
    border-color: var(--color-primary);
    background: rgba(101, 180, 38, 0.08);
    color: var(--color-primary);
}

/* --- Layer Floating Action Bar --- */
.calc-layer-action-bar {
    position: absolute;
    bottom: -36px;
    left: 50%;
    transform: translateX(-50%);
    display: none;
    align-items: center;
    gap: 3px;
    background: #fff;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    padding: 3px;
    z-index: 3;
    pointer-events: all;
    user-select: none;
    white-space: nowrap;
}

.calc-layer.selected .calc-layer-action-bar { display: flex; }

.calc-layer-action-bar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: none;
    border-radius: var(--radius-full);
    background: transparent;
    cursor: pointer;
    color: var(--color-gray-500);
    transition: background var(--transition-fast), color var(--transition-fast);
    flex-shrink: 0;
    touch-action: none;
    pointer-events: all;
    padding: 0;
}

.calc-layer-action-bar-btn:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-700);
}

.calc-layer-action-bar-btn.active {
    background: rgba(101, 180, 38, 0.12);
    color: var(--color-primary);
}

.calc-layer-size-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--color-gray-600);
    padding: 0 2px 0 5px;
    white-space: nowrap;
    line-height: 26px;
    pointer-events: none;
}

/* --- Range Slider --- */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 5px;
    background: var(--color-gray-200);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 1px 5px rgba(101, 180, 38, 0.35);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 2px 8px rgba(101, 180, 38, 0.5);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
}

input[type="range"]::-moz-range-track {
    height: 5px;
    background: var(--color-gray-200);
    border-radius: 3px;
    border: none;
}

/* --- Area Badge --- */
.calc-area-badge {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    padding: var(--space-3);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    text-align: center;
}

.calc-area-badge strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* --- Location Toggles --- */
#calcLocationsCard .calc-card-header {
    margin-bottom: var(--space-2);
}

.calc-locations {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-1) var(--space-2);
}

.calc-loc-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.calc-loc-toggle:hover {
    background: var(--color-gray-50);
}

.calc-loc-toggle input { display: none; }

.calc-loc-track {
    position: relative;
    width: 32px;
    height: 18px;
    background: var(--color-gray-300);
    border-radius: var(--radius-full);
    flex-shrink: 0;
    transition: background var(--transition-fast);
}

.calc-loc-thumb {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: var(--radius-full);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
    transition: transform var(--transition-fast);
}

.calc-loc-toggle input:checked + .calc-loc-track { background: var(--color-primary); }
.calc-loc-toggle input:checked + .calc-loc-track .calc-loc-thumb { transform: translateX(14px); }

.calc-loc-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.calc-loc-name {
    font-weight: 500;
    color: var(--color-gray-700);
    font-size: var(--font-size-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calc-loc-price {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-500);
}

@media (max-width: 480px) {
    .calc-locations { grid-template-columns: 1fr; }
}

/* --- Clothing Sizes --- */
.calc-sizes {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.calc-size-btn {
    display: inline-block;
    padding: var(--space-2) var(--space-3);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    cursor: pointer;
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
    min-width: 46px;
    text-align: center;
    vertical-align: middle;
    line-height: 1.3;
}

.calc-size-btn:hover { border-color: var(--color-gray-400); }
.calc-size-btn.active {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: #fff;
}

.calc-opt-label {
    display: block;
}
.calc-opt-delta {
    display: block;
    font-size: 0.65em;
    font-weight: 400;
    opacity: 0.65;
    line-height: 1;
}
.calc-opt-delta--hidden {
    visibility: hidden;
}
.calc-size-btn.active .calc-opt-delta,
.calc-choice-btn.active .calc-opt-delta {
    opacity: 0.85;
}

/* --- Color Grid (46 colors) --- */
.calc-color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(28px, 1fr));
    gap: 6px;
    max-height: 130px;
    overflow-y: auto;
    padding: 4px 2px;
    scrollbar-width: thin;
    scrollbar-color: var(--color-gray-300) transparent;
}

.calc-color-grid::-webkit-scrollbar { width: 4px; }
.calc-color-grid::-webkit-scrollbar-thumb { background: var(--color-gray-300); border-radius: 2px; }

.calc-color-swatch {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2.5px solid transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.12s, border-color 0.12s, box-shadow 0.12s;
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
    aspect-ratio: 1;
    flex-shrink: 0;
    position: relative;
}

.calc-color-swatch:hover {
    transform: scale(1.18);
    z-index: 2;
}

.calc-color-swatch.active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(101, 180, 38, 0.45), inset 0 0 0 1px rgba(0, 0, 0, 0.1);
    transform: scale(1.1);
}

.calc-color-swatch .swatch-check {
    width: 13px;
    height: 13px;
    opacity: 0;
    transition: opacity 0.12s;
    pointer-events: none;
}

.calc-color-swatch.active .swatch-check {
    opacity: 1;
}

.calc-color-name {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--space-2);
    min-height: 1.4em;
    transition: opacity 0.15s;
}

/* --- Quantity --- */
.calc-qty-control {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.calc-qty-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    cursor: pointer;
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
}

.calc-qty-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.calc-qty-btn:active { transform: scale(0.95); }

.calc-qty-input {
    width: 70px;
    height: 40px;
    text-align: center;
    font-size: var(--font-size-lg);
    font-weight: 700;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    color: var(--color-gray-800);
    -moz-appearance: textfield;
    appearance: textfield;
}

.calc-qty-input::-webkit-inner-spin-button,
.calc-qty-input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

.calc-qty-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(101, 180, 38, 0.15);
}

/* --- Discount Tiers --- */
.calc-discount-tiers {
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-gray-100);
}

.calc-discount-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 var(--space-2) 0;
}

.calc-discount-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-1) 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.calc-discount-badge {
    font-weight: 700;
    color: var(--color-primary);
    background: rgba(101, 180, 38, 0.1);
    padding: 2px var(--space-2);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
}

/* --- Summary Card --- */
.calc-summary-card { border: 2px solid var(--color-primary); }

.calc-price-rows { display: flex; flex-direction: column; gap: var(--space-1); }

.calc-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.calc-price-row span:last-child {
    font-weight: 600;
    color: var(--color-gray-700);
    white-space: nowrap;
}

.calc-price-dim {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
    font-weight: 400;
}

.calc-price-loc-name {
    margin-right: 0.3em;
}

.calc-price-green { color: var(--color-primary) !important; }

.calc-price-divider {
    height: 1px;
    background: var(--color-gray-200);
    margin: var(--space-3) 0;
}

.calc-price-unit {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.calc-price-unit span:last-child {
    font-weight: 700;
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
}

.calc-price-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3);
    margin-top: var(--space-2);
    background: rgba(101, 180, 38, 0.06);
    border-radius: var(--radius-lg);
}

.calc-price-total span:first-child { font-weight: 600; color: var(--color-gray-800); }
.calc-price-total span:last-child {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-primary);
}

.calc-price-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding: var(--space-3);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-100);
}

.calc-price-note svg { flex-shrink: 0; color: var(--color-gray-400); margin-top: 1px; }

.calc-price-note p {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin: 0;
    line-height: 1.5;
}

.calc-cta-row { display: flex; flex-direction: column; gap: var(--space-2); margin-top: var(--space-5); }
.calc-cta { width: 100%; justify-content: center; }
.calc-share-btn { width: 100%; justify-content: center; gap: var(--space-2); }

/* --- Mobile Sticky Price Bar --- */
.calc-sticky-bar .calc-share-btn { width: auto; }

.calc-sticky-bar { display: none; }

@media (max-width: 1023px) {
    .calc-sticky-bar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        position: fixed;
        bottom: 60px;
        left: 0;
        right: 0;
        z-index: 90;
        padding: var(--space-3) var(--space-4);
        background: var(--color-white);
        border-top: 1px solid var(--color-gray-200);
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.08);
    }
}

@media (max-width: 1023px) and (min-width: 781px) {
    .calc-sticky-bar { bottom: 0; }
}

.calc-sticky-info { display: flex; flex-direction: column; }
.calc-sticky-label { font-size: var(--font-size-xs); color: var(--color-gray-500); font-weight: 500; }
.calc-sticky-value { font-size: var(--font-size-xl); font-weight: 800; color: var(--color-primary); }

/* ============================================
   Dark Mode
   ============================================ */
html.dark-mode .calc-preview-card { background: var(--color-gray-50); border-color: var(--color-gray-200); }
html.dark-mode .calc-type-switch { background: var(--color-gray-100); }
html.dark-mode .calc-type-btn { color: var(--color-gray-500); }
html.dark-mode .calc-type-btn.active { background: var(--color-gray-50); color: var(--color-primary); }
html.dark-mode .calc-view-tab { border-color: var(--color-gray-200); color: var(--color-gray-500); }
html.dark-mode .calc-view-tab:hover { color: var(--color-gray-600); }
html.dark-mode .calc-view-tab.active { border-color: var(--color-primary); background: rgba(101, 180, 38, 0.1); color: var(--color-primary); }
html.dark-mode .calc-preview-stage { background: var(--color-gray-100); }
html.dark-mode .calc-3d-note { background: var(--color-gray-100); border-color: var(--color-gray-200); color: var(--color-gray-500); }
html.dark-mode .calc-card { background: var(--color-gray-50); border-color: var(--color-gray-200); }
html.dark-mode .calc-card-header h3 { color: var(--color-gray-700); }
html.dark-mode .calc-label { color: var(--color-gray-500); }
html.dark-mode .calc-upload { border-color: var(--color-gray-300); background: var(--color-gray-100); color: var(--color-gray-500); }
html.dark-mode .calc-upload:hover, html.dark-mode .calc-upload.dragover { border-color: var(--color-primary); background: rgba(101, 180, 38, 0.06); }
html.dark-mode .calc-upload p { color: var(--color-gray-500); }
html.dark-mode .calc-upload-preview { border-color: var(--color-primary); background: rgba(101, 180, 38, 0.08); }
html.dark-mode .calc-upload-preview img { background: var(--color-gray-100); border-color: var(--color-gray-200); }
html.dark-mode .calc-preset { background: var(--color-gray-100); border-color: var(--color-gray-200); }
html.dark-mode .calc-preset:hover { border-color: var(--color-gray-300); }
html.dark-mode .calc-preset.active { border-color: var(--color-primary); background: rgba(101, 180, 38, 0.08); }
html.dark-mode .calc-preset strong { color: var(--color-gray-600); }
html.dark-mode .calc-preset.active strong { color: var(--color-primary); }
html.dark-mode .calc-preset span { color: var(--color-gray-500); }
html.dark-mode .calc-slider-row label { color: var(--color-gray-500); }
html.dark-mode input[type="range"] { background: var(--color-gray-300); }
html.dark-mode .calc-aspect-lock { border-color: var(--color-gray-300); color: var(--color-gray-500); }
html.dark-mode .calc-aspect-lock:hover { border-color: var(--color-primary); color: var(--color-primary); }
html.dark-mode .calc-aspect-lock.locked { border-color: var(--color-primary); background: rgba(101, 180, 38, 0.1); color: var(--color-primary); }
html.dark-mode .calc-area-badge { background: var(--color-gray-100); color: var(--color-gray-500); }
html.dark-mode .calc-loc-toggle:hover { background: var(--color-gray-100); }
html.dark-mode .calc-loc-name { color: var(--color-gray-600); }
html.dark-mode .calc-loc-price { color: var(--color-gray-500); }
html.dark-mode .calc-loc-track { background: var(--color-gray-400); }
html.dark-mode .calc-color-grid { scrollbar-color: var(--color-gray-400) transparent; }
html.dark-mode .calc-color-name { color: var(--color-gray-500); }
html.dark-mode .calc-size-btn { background: var(--color-gray-100); border-color: var(--color-gray-200); color: var(--color-gray-500); }
html.dark-mode .calc-size-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
html.dark-mode .calc-qty-btn { background: var(--color-gray-100); border-color: var(--color-gray-200); color: var(--color-gray-500); }
html.dark-mode .calc-qty-input { background: var(--color-gray-100); border-color: var(--color-gray-200); color: var(--color-gray-700); }
html.dark-mode .calc-discount-tiers { border-top-color: var(--color-gray-200); }
html.dark-mode .calc-discount-title { color: var(--color-gray-500); }
html.dark-mode .calc-discount-row { color: var(--color-gray-500); }
html.dark-mode .calc-summary-card { border-color: var(--color-primary); }
html.dark-mode .calc-price-row { color: var(--color-gray-500); }
html.dark-mode .calc-price-row span:last-child { color: var(--color-gray-600); }
html.dark-mode .calc-price-unit { color: var(--color-gray-500); }
html.dark-mode .calc-price-unit span:last-child { color: var(--color-gray-800); }
html.dark-mode .calc-qty-label { color: var(--color-gray-500); }
html.dark-mode .calc-discount-compact { border-color: var(--color-gray-200); }
html.dark-mode .calc-discount-pill { background: var(--color-gray-100); border-color: var(--color-gray-200); color: var(--color-gray-500); }
html.dark-mode .calc-price-total { background: rgba(101, 180, 38, 0.1); }
html.dark-mode .calc-price-total span:first-child { color: var(--color-gray-700); }
html.dark-mode .calc-price-divider { background: var(--color-gray-200); }
html.dark-mode .calc-price-note { background: var(--color-gray-100); border-color: var(--color-gray-200); }
html.dark-mode .calc-price-note p { color: var(--color-gray-500); }
html.dark-mode .calc-sticky-bar { background: var(--color-gray-50); border-top-color: var(--color-gray-200); }
html.dark-mode .calc-sticky-label { color: var(--color-gray-500); }
html.dark-mode .calc-print-zone { background: rgba(101, 180, 38, 0.06); }
html.dark-mode .calc-print-zone.dragging { background: rgba(101, 180, 38, 0.12); }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1023px) {
    .calc-preview-col { order: -1; }
    .calc-section { padding-bottom: calc(var(--space-16) + 70px); }
}

@media (max-width: 640px) {
    .calc-preview-card { padding: var(--space-3); }
    .calc-card { padding: var(--space-4); }
    .calc-presets { gap: var(--space-1); }
    .calc-preset { padding: var(--space-2) 0; }
    .calc-size-btn { padding: var(--space-2); min-width: 40px; font-size: var(--font-size-xs); }
    .calc-slider-row { grid-template-columns: 44px minmax(0, 1fr) 50px; gap: var(--space-2); }
    .calc-color-grid { grid-template-columns: repeat(auto-fill, minmax(26px, 1fr)); }
    .calc-color-swatch { width: 26px; height: 26px; }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
    .calc-shirt-bg, .calc-silhouette, .calc-print-zone, .calc-design-img { transition: none; }
    .calc-color-swatch:hover, .calc-qty-btn:active { transform: none; }
    input[type="range"]::-webkit-slider-thumb:hover { transform: none; }
}

/* ============================================
   Multi-Layer + Boundary System
   ============================================ */

/* Layers container — transparent to events, layers catch individually */
#calcLayersContainer {
    position: absolute;
    inset: 0;
    z-index: 10;
    pointer-events: none;
}

/* In bounds-edit mode, disable layer interaction so boundary is reachable */
.bounds-edit-mode #calcLayersContainer {
    pointer-events: none !important;
}

/* --- Print Boundary --- */
.calc-print-boundary {
    position: absolute;
    border: 2px dashed rgba(101, 180, 38, 0.45);
    border-radius: 3px;
    pointer-events: none;
    z-index: 8;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.bounds-edit-mode .calc-print-boundary {
    border-color: var(--color-primary);
    border-style: solid;
    pointer-events: all;
    cursor: move;
    background: rgba(101, 180, 38, 0.04);
}

/* Boundary resize handles (admin mode) */
.calc-bound-handle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border: 2px solid #fff;
    border-radius: 2px;
    display: none;
    z-index: 9;
    box-shadow: 0 1px 3px rgba(0,0,0,0.25);
}

.bounds-edit-mode .calc-bound-handle { display: block; }

.calc-bound-handle[data-dir="nw"] { top: -5px; left: -5px; cursor: nw-resize; }
.calc-bound-handle[data-dir="ne"] { top: -5px; right: -5px; cursor: ne-resize; }
.calc-bound-handle[data-dir="se"] { bottom: -5px; right: -5px; cursor: se-resize; }
.calc-bound-handle[data-dir="sw"] { bottom: -5px; left: -5px; cursor: sw-resize; }
.calc-bound-handle[data-dir="n"]  { top: -5px; left: calc(50% - 5px); cursor: n-resize; }
.calc-bound-handle[data-dir="s"]  { bottom: -5px; left: calc(50% - 5px); cursor: s-resize; }
.calc-bound-handle[data-dir="e"]  { top: calc(50% - 5px); right: -5px; cursor: e-resize; }
.calc-bound-handle[data-dir="w"]  { top: calc(50% - 5px); left: -5px; cursor: w-resize; }

/* Edit bounds button (gear icon) */
.calc-edit-bounds-btn {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    z-index: 30;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.88);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
    backdrop-filter: blur(4px);
}

.calc-edit-bounds-btn:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.bounds-edit-mode .calc-edit-bounds-btn {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* Bounds save panel */
.calc-bounds-save-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: rgba(101, 180, 38, 0.06);
    border: 1px solid rgba(101, 180, 38, 0.2);
    border-radius: var(--radius-lg);
    margin-top: var(--space-2);
}

.calc-bounds-label {
    font-weight: 600;
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.calc-bounds-size-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.calc-bounds-size-input {
    width: 64px;
    padding: 3px 6px;
    border: 1px solid rgba(101, 180, 38, 0.4);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    text-align: center;
    -moz-appearance: textfield;
}
.calc-bounds-size-input::-webkit-outer-spin-button,
.calc-bounds-size-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.calc-bounds-size-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(101, 180, 38, 0.15);
}

.calc-bounds-size-sep {
    color: var(--color-gray-400);
    font-weight: 600;
}

.calc-bounds-size-unit {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    font-weight: 500;
}

.calc-bounds-actions-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
}

#calcBoundsSaveMsg {
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    font-weight: 600;
    margin-left: auto;
}

/* --- Individual Layers --- */
.calc-layer {
    position: absolute;
    transform-origin: center center;
    cursor: grab;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    box-sizing: border-box;
    pointer-events: all;
    isolation: isolate;
}

.calc-layer:active { cursor: grabbing; }

.calc-layer.selected {
    z-index: 100;
    outline: 2px solid var(--color-primary);
    outline-offset: 1px;
}

/* Connector line to rotate handle */
.calc-layer.selected::before {
    content: '';
    position: absolute;
    width: 1px;
    height: 22px;
    background: var(--color-primary);
    top: -23px;
    left: calc(50% - 0.5px);
    pointer-events: none;
}

/* Ghost image: full-size, low opacity set inline via JS — shows outside-boundary part faintly */
.calc-layer-img-ghost {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: fill;
    pointer-events: none;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
    z-index: 0;
}

/* Main image: clipped to boundary via JS clip-path, full opacity */
.calc-layer-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: fill;
    pointer-events: none;
    display: block;
    user-select: none;
    -webkit-user-drag: none;
    z-index: 1;
}

/* Resize handles */
.calc-layer-handle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border: 2px solid #fff;
    border-radius: 2px;
    display: none;
    z-index: 2;
    box-shadow: 0 1px 3px rgba(0,0,0,0.25);
    touch-action: none;
    pointer-events: all;
}

.calc-layer.selected .calc-layer-handle { display: block; }

.calc-layer-handle[data-dir="nw"] { top: -5px; left: -5px; cursor: nw-resize; }
.calc-layer-handle[data-dir="n"]  { top: -5px; left: calc(50% - 5px); cursor: n-resize; }
.calc-layer-handle[data-dir="ne"] { top: -5px; right: -5px; cursor: ne-resize; }
.calc-layer-handle[data-dir="e"]  { top: calc(50% - 5px); right: -5px; cursor: e-resize; }
.calc-layer-handle[data-dir="se"] { bottom: -5px; right: -5px; cursor: se-resize; }
.calc-layer-handle[data-dir="s"]  { bottom: -5px; left: calc(50% - 5px); cursor: s-resize; }
.calc-layer-handle[data-dir="sw"] { bottom: -5px; left: -5px; cursor: sw-resize; }
.calc-layer-handle[data-dir="w"]  { top: calc(50% - 5px); left: -5px; cursor: w-resize; }

/* Rotate handle */
.calc-layer-rotate-handle {
    position: absolute;
    width: 14px;
    height: 14px;
    background: var(--color-primary);
    border: 2px solid #fff;
    border-radius: 50%;
    top: -32px;
    left: calc(50% - 7px);
    cursor: grab;
    display: none;
    z-index: 2;
    box-shadow: 0 1px 3px rgba(0,0,0,0.25);
    touch-action: none;
    pointer-events: all;
}

.calc-layer.selected .calc-layer-rotate-handle { display: block; }
.calc-layer-rotate-handle:active { cursor: grabbing; }

/* Quick remove button — top-right corner, shown only while the layer is selected */
.calc-layer-remove-btn {
    position: absolute;
    top: -34px;
    right: -8px;
    width: 22px;
    height: 22px;
    display: none;
    align-items: center;
    justify-content: center;
    background: #dc2626;
    color: #fff;
    border: 2px solid #fff;
    border-radius: 50%;
    cursor: pointer;
    z-index: 3;
    box-shadow: 0 1px 4px rgba(0,0,0,0.25);
    touch-action: none;
    pointer-events: all;
    padding: 0;
    line-height: 0;
    transition: background var(--transition-fast);
}
.calc-layer-remove-btn svg { display: block; }

.calc-layer.selected .calc-layer-remove-btn { display: flex; }
.calc-layer-remove-btn:hover { background: #b91c1c; }

/* Low-resolution warning — orange triangle shown on the layer when its printed
   size exceeds what the source image supports at 300 DPI */
.calc-layer-dpi-warning {
    position: absolute;
    top: 6px;
    left: 6px;
    width: 22px;
    height: 22px;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: #f59e0b;
    border-radius: 50%;
    box-shadow: 0 1px 4px rgba(0,0,0,0.25);
    z-index: 4;
    cursor: help;
}

/* --- Layers List Panel --- */
.calc-layers-view-label {
    font-weight: 400;
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

.calc-layers-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    min-height: 48px;
}

.calc-layers-empty {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    text-align: center;
    padding: var(--space-3) 0;
    margin: 0;
}

.calc-layer-row {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    cursor: pointer;
    transition: border-color var(--transition-fast), background var(--transition-fast), opacity var(--transition-fast);
}

.calc-layer-row:hover { border-color: var(--color-gray-300); }

.calc-layer-drag-handle {
    display: flex;
    align-items: center;
    color: var(--color-gray-400);
    cursor: grab;
    flex-shrink: 0;
    padding: 2px 1px;
    border-radius: 3px;
}
.calc-layer-drag-handle:hover { color: var(--color-gray-600); }
.calc-layer-row.dragging { opacity: 0.4; }
.calc-layer-row.drop-above { border-top: 2px solid var(--color-primary); }
.calc-layer-row.drop-below { border-bottom: 2px solid var(--color-primary); }

.calc-layer-row.selected {
    border-color: var(--color-primary);
    background: rgba(101, 180, 38, 0.04);
}

.calc-layer-thumb {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: var(--radius-md);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-100);
    flex-shrink: 0;
}

.calc-layer-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1px;
    overflow: hidden;
    min-width: 0;
}

.calc-layer-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

/* Low-resolution warning line shown under the layer name — see .calc-layer-dpi-warning */
.calc-layer-dpi-text {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    font-weight: 500;
    color: #d97706;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: help;
}
.calc-layer-dpi-text svg { flex-shrink: 0; }
.calc-layer-dpi-text span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calc-layer-actions {
    display: flex;
    gap: 2px;
    flex-shrink: 0;
}

.calc-layer-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-gray-400);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calc-layer-action-btn:hover { background: var(--color-gray-100); color: var(--color-gray-700); }
.calc-layer-action-btn.del:hover { background: #fee2e2; color: #dc2626; }

/* No-layer-selected message */
.calc-no-layer-msg {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    text-align: center;
    padding: var(--space-3) 0;
    margin: 0;
}

/* ============================================
   Dark Mode — new elements
   ============================================ */
html.dark-mode .calc-edit-bounds-btn { background: rgba(24,24,27,0.88); border-color: var(--color-gray-300); color: var(--color-gray-500); }
html.dark-mode .bounds-edit-mode .calc-edit-bounds-btn { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
html.dark-mode .calc-bounds-save-panel { background: rgba(101,180,38,0.08); border-color: rgba(101,180,38,0.25); }
html.dark-mode .calc-bounds-size-input { background: var(--color-gray-100); border-color: rgba(101,180,38,0.35); color: var(--color-text); }
html.dark-mode .calc-layer.selected { outline-color: var(--color-primary); }
html.dark-mode .calc-layer-row { background: var(--color-gray-100); border-color: var(--color-gray-200); }
html.dark-mode .calc-layer-row:hover { border-color: var(--color-gray-300); }
html.dark-mode .calc-layer-row.selected { border-color: var(--color-primary); background: rgba(101,180,38,0.08); }
html.dark-mode .calc-layer-name { color: var(--color-gray-600); }
html.dark-mode .calc-layer-thumb { background: var(--color-gray-200); border-color: var(--color-gray-300); }
html.dark-mode .calc-layer-action-btn:hover { background: var(--color-gray-200); }
html.dark-mode .calc-no-layer-msg,
html.dark-mode .calc-layers-empty { color: var(--color-gray-500); }

/* --- Loaded-from-share notice --- */
.calc-loaded-notice {
    display: flex;
    width: fit-content;
    max-width: 100%;
    box-sizing: border-box;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-3);
    margin-left: auto;
    margin-right: auto;
    padding: var(--space-2) var(--space-4);
    background: rgba(101, 180, 38, 0.10);
    border: 1px solid rgba(101, 180, 38, 0.3);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

html.dark-mode .calc-loaded-notice {
    background: rgba(101, 180, 38, 0.12);
    border-color: rgba(101, 180, 38, 0.35);
}

/* --- Size chart (product info panel) --- */
.calc-info-chart-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.calc-info-chart-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
}

.calc-info-chart-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.calc-info-chart-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

.calc-info-chart-table th,
.calc-info-chart-table td {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-gray-200);
    text-align: center;
}

.calc-info-chart-table th {
    background: var(--color-gray-50);
    font-weight: 600;
    color: var(--color-gray-700);
}

.calc-info-chart-table td {
    color: var(--color-gray-600);
}

/* --- Quantity row inside summary card --- */
.calc-qty-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-2) 0;
}

.calc-qty-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-600);
    white-space: nowrap;
}

.calc-qty-row .calc-qty-control {
    margin-bottom: 0;
}

/* --- Compact discount pills --- */
.calc-discount-compact {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    padding: var(--space-1) 0 var(--space-3);
    border-bottom: 1px solid var(--color-gray-100);
    margin-bottom: var(--space-1);
}

.calc-discount-pill {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 8px;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    font-size: 11px;
    color: var(--color-gray-500);
    white-space: nowrap;
}

.calc-discount-pill strong {
    font-weight: 700;
    color: var(--color-primary);
}

/* --- CTA saving state --- */
.calc-cta.saving {
    opacity: 0.75;
    pointer-events: none;
    cursor: wait;
}

/* --- 2D/3D toggle --- */
.calc-3d-toggle {
    margin-bottom: var(--space-3);
}

/* --- 3D viewer (inside .calc-preview-card) --- */
.calc-3d-inner {
    width: 100%;
    aspect-ratio: 4 / 5;
    position: relative;
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-3);
}

.calc-3d-inner model-viewer {
    width: 100%;
    height: 100%;
    --progress-bar-height: 2px;
    --progress-bar-color: var(--color-primary);
    --poster-color: transparent;
}

.mv-touch-overlay {
    position: absolute;
    inset: 0;
    z-index: 5;
    touch-action: none;
    pointer-events: none;
}
.mv-touch-overlay.touch-active {
    pointer-events: auto;
}

/* --- Mode: preview (read-only) --- */
.calc-mode-preview #calcLayersCard,
.calc-mode-preview #calcSizePanel,
.calc-mode-preview .calc-locations,
.calc-mode-preview #calcProductInfo,
.calc-mode-preview .calc-qty-row,
.calc-mode-preview .calc-discount-compact,
.calc-mode-preview #calcCta,
.calc-mode-preview #calcCtaMobile,
.calc-mode-preview .calc-share-btn,
.calc-mode-preview .calc-type-switch:not(.calc-3d-toggle) { display: none !important; }

/* --- Mode: showcase (color-only, admin share) --- */
.calc-mode-showcase #calcLayersCard,
.calc-mode-showcase #calcSizePanel,
.calc-mode-showcase .calc-locations,
.calc-mode-showcase #calcProductInfo,
.calc-mode-showcase .calc-qty-row,
.calc-mode-showcase .calc-discount-compact,
.calc-mode-showcase #calcCta,
.calc-mode-showcase #calcCtaMobile,
.calc-mode-showcase .calc-share-btn,
.calc-mode-showcase .calc-type-switch:not(.calc-3d-toggle),
.calc-mode-showcase .calc-price-note { display: none !important; }

.calc-mode-showcase .calc-attr-group:not([data-attr-type="color"]) { display: none !important; }

/* Disable layer interaction in preview/showcase */
.calc-mode-preview .calc-layer,
.calc-mode-showcase .calc-layer { cursor: default !important; }

.calc-mode-preview .calc-layer-handle,
.calc-mode-preview .calc-layer-rotate-handle,
.calc-mode-preview .calc-layer-action-bar,
.calc-mode-preview .calc-layer-remove-btn,
.calc-mode-showcase .calc-layer-handle,
.calc-mode-showcase .calc-layer-rotate-handle,
.calc-mode-showcase .calc-layer-action-bar,
.calc-mode-showcase .calc-layer-remove-btn { display: none !important; }

.calc-mode-preview .calc-layer.selected,
.calc-mode-showcase .calc-layer.selected { outline: none !important; box-shadow: none !important; }

/* Hide price block in showcase when hidePrice=true */
.calc-hide-price .calc-summary-card { display: none !important; }
.calc-hide-price .calc-sticky-bar   { display: none !important; }

/* --- Share Modal --- */
.calc-share-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.calc-share-modal {
    background: #fff;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.2);
    overflow: hidden;
}

.calc-share-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-gray-200);
}

.calc-share-modal-header h3 { margin: 0; font-size: var(--font-size-base); font-weight: 600; }

.calc-share-modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-gray-500);
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    display: flex;
}
.calc-share-modal-close:hover { background: var(--color-gray-100); }

.calc-share-modal-body { padding: var(--space-5); }

.calc-share-modal-saving {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
}

.calc-share-modal-intro {
    margin: 0 0 var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.calc-share-modal-error { color: var(--color-error); font-size: var(--font-size-sm); margin: 0; }

.calc-share-link-row {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-3);
}

.calc-share-link-meta { margin-bottom: var(--space-2); }
.calc-share-link-label { font-weight: 600; font-size: var(--font-size-sm); display: block; }
.calc-share-link-desc  { font-size: var(--font-size-xs); color: var(--color-gray-500); }

.calc-share-link-input-wrap { display: flex; gap: var(--space-2); align-items: center; }

.calc-share-link-input {
    flex: 1;
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: text;
    min-width: 0;
}

.calc-share-copy-btn {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    white-space: nowrap;
    font-size: var(--font-size-xs);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-300);
    background: #fff;
    cursor: pointer;
    color: var(--color-gray-700);
    transition: background 0.15s;
}

/* Admin showcase button — subtle amber tint to distinguish from user share */
.calc-admin-showcase-btn {
    border-color: #f59e0b !important;
    color: #92400e !important;
}
.calc-admin-showcase-btn:hover {
    background: #fffbeb !important;
}
.calc-save-edit-btn {
    border-color: #10b981 !important;
    color: #065f46 !important;
}
.calc-save-edit-btn:hover {
    background: #ecfdf5 !important;
}
html.dark-mode .calc-save-edit-btn {
    border-color: #10b981 !important;
    color: #34d399 !important;
}
html.dark-mode .calc-save-edit-btn:hover {
    background: rgba(16,185,129,0.1) !important;
}
.calc-share-copy-btn:hover { background: var(--color-gray-100); }

/* Showcase form inputs and toggle button (theme-aware) */
.calc-sc-input {
    width: 100%;
    padding: 0.375rem 0.5rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    box-sizing: border-box;
    background: var(--color-white);
    color: var(--color-gray-700);
}
.calc-sc-input:focus { outline: none; border-color: var(--color-primary); }

.calc-sc-toggle-btn {
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background: var(--color-gray-50);
    cursor: pointer;
    color: var(--color-gray-700);
}

/* --- Share modal dark mode --- */
html.dark-mode .calc-share-modal { background: var(--color-gray-50); }
html.dark-mode .calc-share-modal-header { border-bottom-color: var(--color-gray-200); }
html.dark-mode .calc-share-modal-header h3 { color: var(--color-gray-800); }
html.dark-mode .calc-share-modal-close { color: var(--color-gray-500); }
html.dark-mode .calc-share-modal-close:hover { background: var(--color-gray-100); }
html.dark-mode .calc-share-modal-saving { color: var(--color-gray-600); }
html.dark-mode .calc-share-modal-intro { color: var(--color-gray-600); }
html.dark-mode .calc-share-link-row { border-color: var(--color-gray-200); }
html.dark-mode .calc-share-link-label { color: var(--color-gray-700); }
html.dark-mode .calc-share-link-desc { color: var(--color-gray-500); }
html.dark-mode .calc-share-link-input {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
    color: var(--color-gray-600);
}
html.dark-mode .calc-share-copy-btn {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
    color: var(--color-gray-700);
}
html.dark-mode .calc-share-copy-btn:hover { background: var(--color-gray-200); }
html.dark-mode .calc-sc-input {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
    color: var(--color-gray-700);
}
html.dark-mode .calc-sc-toggle-btn {
    background: var(--color-gray-100);
    border-color: var(--color-gray-200);
    color: var(--color-gray-700);
}