:root {
    --bg: #ffffff;
    --panel: #F5F6F7;
    --panel2: #FFFFFF;
    --border: #E7E8EA;
    --text: #111827;
    --muted: #6B7280;
    --shadow: 2px 2px 2px rgba(16,24,40,0.10);
    --shadow2: 1px 2px 2px rgba(16,24,40,0.08);
    --shadow3: 2px 2px 2px rgba(20,24,40,0.10);
    --radius: 0px;
    --green: #22C55E;
    --greenSoft: rgba(245,246,247,1);
    --font: "Montserrat", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
}

html, body {
    background: var(--bg);
    letter-spacing: 0.03em;
    display: block;
}

body {
    font-family: var(--font);
    color: var(--text);
    font-weight: 500;
    display: block;
    margin: 0px;
    padding: 8px;
    height: 100dvh;
    box-sizing: border-box;
}

.app-shell {
    display: grid;
    height: 100%;
    grid-template-rows: auto 1fr;
}

.main {
    padding: 18px;
    display: grid;
    height: 100%;
    grid-template-rows: 1fr auto;
    box-sizing: border-box;
    min-height: 0;
}

/* Topbar */
.topbar {
    height: 68px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brandmark {
    margin-left: 4px;
}

.brand {
    font-weight: 500;
    letter-spacing: 0.2px;
}

.topbar-tabs {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tab {
    font-size: 14px;
    text-decoration: none;
    color: var(--muted);
    padding: 8px 14px;
    border-radius: 00px;
    transition: background 120ms ease;
}

    .tab:hover {
        background: var(--panel2);
    }

    .tab.active {
        color: var(--text);
        background: var(--panel);
        border: 0px solid var(--border);
        box-shadow: var(--shadow3);
    }

.topbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.icon-btn {
    height: 34px;
    width: 34px;
    border-radius: 12px;
    border: 0px solid var(--border);
    background: var(--bg);
    box-shadow: 0 0px 0 rgba(16,24,40,0.02);
    cursor: pointer;
}

    .icon-btn:hover {
        background: var(--panel2);
    }

.profile {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 10px;
    border-radius: 14px;
    border: 0px solid var(--border);
    background: var(--bg);
}

.avatar {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 30%, #E5E7EB, #9CA3AF);
}

.profile-meta {
    line-height: 1.1;
}

.profile-name {
    font-size: 12px;
    font-weight: 500;
}

.profile-sub {
    font-size: 11px;
    color: var(--muted);
}

/* Main workspace layout */
.workspace {
    display: grid;
    grid-template-columns: minmax(270px, 1fr) minmax(0, 2fr) minmax(180px, 1fr);
    height: auto;
    min-height: 0;
}

.sidebar {
    background: var(--panel);
    border: 0px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow2);
    padding: 14px;
    box-sizing: border-box;
    position: relative;
    display: flex;
    overflow-y: auto;
    flex-direction: column; /* stack children vertically */
}

.panel-title {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 12px;
}

.panel-title2 {
    font-size: 14px;
    font-weight: 500;
    margin-top: 12px;
    align-self:flex-end;  
}

.sub-title {
    font-size: 12px;
    font-weight: 500;
    color: var(--muted);
    margin: 12px 0 8px;
}

.divider {
    height: 1px;
    background: var(--border);
    margin: 12px 0;
}

/* Library cards */
.library-cards {
    display: flex;
    overflow-y: auto;
    min-height: 0;
    flex-direction: column;
    gap: 8px;
    font-family: var(--font);
    touch-action: none;
    height: 100%;
    scroll-padding: 8px;
    -webkit-overflow-scrolling: touch;
}

    .library-cards::-webkit-scrollbar { /* Chrome/Safari */
        display: none;
    }
/* while dragging, show a grabbing cursor */
    .library-cards.is-dragging {
        cursor: grabbing;
        user-select: none;
    }

.library-card {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0px;
    border-radius: 0px;
    border: 0px solid var(--border);
    background: var(--bg);
    box-shadow: 0 1px 0 rgba(16,24,40,0.02);
    cursor: pointer;
    text-align: left;
    font-family: var(--font);
    user-select: none;
}

    .library-card:hover {
        box-shadow: var(--shadow2);
    }

    .library-card.active {
        border-color: lightgrey;
        box-shadow: var(--shadow3);
    }

.lib-icon {
    width: 100px;
    height: 70px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 6px;
    /*background: linear-gradient(135deg, #E5E7EB, #F9FAFB);*/
    border: 0px solid var(--border);
    pointer-events: none;
}

.lib-name {
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-right: 10px;
    pointer-events: none;
}

.lib-sub {
    font-size: 10px;
    color: var(--muted);
    pointer-events: none;
}

.product-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.product-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 14px;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
}

    .product-row:hover {
        background: rgba(255,255,255,0.75);
        border-color: var(--border);
    }

    .product-row.selected {
        background: rgba(255,255,255,0.9);
        border-color: rgba(34,197,94,0.35);
        box-shadow: 0 0 0 3px rgba(34,197,94,0.10);
    }

.dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--green);
    box-shadow: 0 0 0 4px rgba(34,197,94,0.14);
}

.prod-name {
    font-size: 13px;
    font-weight: 500;
}

/* Viewport */
.viewport {
    position: relative;
    height: 100%;
    min-height: 0px;
    padding: 0px 14px;
    box-sizing: border-box;
}

.viewport-card {
    height: 100%;
    width: 100%;
    background: var(--panel2);
    border: 0px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow2);
    overflow: hidden;
}

.viewport-toolbar {
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
}

.toolcluster {
    display: flex;
    gap: 8px;
    padding: 8px;
    border-radius: 16px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow2);
}

.viewport-canvas {
    display: block;
    height: 100%;
    width: 100%;
}

.dimension-label {
    position: absolute;
    font-size: 12px;
    color: rgba(17,24,39,0.55);
    background: rgba(255,255,255,0.75);
    border: 1px solid rgba(231,232,234,0.8);
    padding: 6px 10px;
    border-radius: 999px;
    box-shadow: 0 1px 0 rgba(16,24,40,0.02);
    user-select: none;
}

.dim-a {
    left: 18px;
    bottom: 18px;
}

.dim-b {
    left: 110px;
    bottom: 18px;
}

/* Inspector */
.inspector {
    display: flex;
    flex-direction: column;
    gap: 14px;
    height: 100%;
}

.inspector2 {
    display: flex;
    flex-direction: column;
    gap: 14px;
    height: 100%;
    align-self: flex-end;
}

.field .label {
    font-size: 12px;
    color: var(--muted);
    font-weight: 500;
    margin-bottom: 8px;
}

.value.pill {
    padding: 4px 12px;
    border-radius: 80px;
    border: 0px solid var(--border);
    background: rgba(255,255,255,0.9);
    font-weight: 500;
    font-size: 13px;
}

.value.pill-delete {
    padding: 0px 6px;
    border-radius: 80px;
    border: 0px solid var(--border);
    background: rgba(255,0,0,0.5);
    font-weight: 500;
    font-size: 13px;
    color: white;
    cursor: pointer;
    border: 0px solid var(--panel2);
}

.swatches {
    display: flex;
    gap: 2px;
    flex-wrap: wrap;
}

.swatch {
    width: 20px;
    height: 20px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--sw);
    cursor: pointer;
    box-shadow: 0 1px 0 rgba(16,24,40,0.02);
}

    .swatch.active {
        width: 22px;
        height: 22px;
        margin: 0px 1px;
        transform: translateY(-1px);
        border: 2px solid var(--panel2);
        box-shadow: var(--shadow2);
    }

.segmented {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.85);
}

.seg {
    padding: 12px 10px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-weight: 500;
    color: var(--muted);
}

    .seg.active {
        background: var(--text);
        color: white;
    }

.dim-grid {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.dim-chip {
    padding: 10px 12px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.85);
    font-weight: 500;
    font-size: 13px;
}

.connections {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 8px;
    border-radius: 80px;
    border: 0px solid var(--border);
    background: rgba(255,255,255,0.85);
}

.conn-text {
    font-weight: 500;
    font-size: 13px;
}

.conn-dots {
    display: flex;
    gap: 8px;
}

.conn-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--green);
    box-shadow: 0 0 0 4px rgba(34,197,94,0.14);
}

.actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.primary {
    flex: 1;
    padding: 12px 14px;
    border-radius: 0px;
    border: 1px solid transparent;
    background: rgba(255,255,255,0.85);
    color: var(--text);
    font-weight: 400;
    cursor: pointer;
}

    .primary:hover {
        border: 1px solid #39D72A;
        background: white;
        color: #39D72A;
        box-sizing: border-box;
    }

.ghost {
    flex: 1;
    padding: 12px 14px;
    border-radius: 0px;
    border: 1px solid transparent;
    background: #39D72A;
    color: white;
    font-weight: 400;
    cursor: pointer;
    box-sizing: border-box;
}
    .ghost:hover {
        border: 1px solid #39D72A;
        background: white;
        color: #39D72A;
        box-sizing: border-box;
    }

/* Bottom modules strip */
.modules-strip {
    margin-top: 14px;
    background: var(--panel2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow2);
    padding: 12px 12px 14px;
    min-height: 148px;
    box-sizing: border-box;
    overflow: hidden;
    touch-action: none;
}

.modules-title {
    font-size: 12px;
    color: var(--muted);
    font-weight: 500;
    margin: 2px 0 10px 4px;
}

.modules-row {
    display: flex;
    gap: 12px;

    overflow-x: auto;
    overflow-y: hidden;
    /* 1. Add vertical padding to prevent shadow clipping */
    /* 2. Add horizontal padding so the first/last card isn't flush with the edge */
    padding: 12px 8px;
    /* 3. Negative margin pulls the container back to align with the title */
    margin: -8px;
    /* Smooth scrolling behavior */
    /*scroll-behavior: smooth;*/
    scroll-padding: 8px;
    -webkit-overflow-scrolling: touch;
}

    .modules-row::-webkit-scrollbar { /* Chrome/Safari */
        display: none;
    }
    /* while dragging, show a grabbing cursor */
    .modules-row.is-dragging {
        cursor: grabbing;
        user-select: none;
    }

.modules-row {
    cursor: grab;
}


.module-card {
    /*cursor: pointer;*/
    min-width: 100px;
    border: 0px solid #ddd;
    border-radius: 0px;
    overflow: hidden;
    /*transition: transform 0.2s, box-shadow 0.2s;*/
    background-color: #fff; /* Ensures text is readable */
}

    .module-card:hover {
        /*transform: translateY(-5px);*/ /* Subtle lift effect */
        box-shadow: var(--shadow2);
    }

.module-preview {
    width: 100%;
    height: 70px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    pointer-events: none;
}

.module-name {
    font-weight: 600;
    font-size: 10px;
    /*margin-left: 8px;*/ /* Your requested margin */
    padding-bottom:1px; /* Vertical padding for breathing room */
    display: block; /* Ensures it takes up its own line */
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-align: center;
}

.mod-preview-straight::after,
.mod-preview-inner::after,
.mod-preview-outer::after,
.mod-preview-end::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    top: 26px;
    height: 18px;
    border-radius: 10px;
    background: linear-gradient(135deg, #BFC2C6, #E5E7EB);
    box-shadow: inset 0 -6px 10px rgba(16,24,40,0.08);
}

.mod-preview-inner::after {
    transform: skewX(-12deg);
}

.mod-preview-outer::after {
    transform: skewX(12deg);
}

.mod-preview-end::after {
    width: 45%;
    right: auto;
}

/* Responsive */
@media (max-width: 400px) {
    .workspace {
        grid-template-columns: 260px 1fr;
    }

/*    .sidebar.right {
        display: none;
    }*/
}

/*@media (max-width: 860px) {
    .workspace {
        grid-template-columns: 1fr;
    }

    .sidebar.left {
        order: 2;
        min-height: unset;
    }

    .viewport {
        order: 1;
    }
}*/

#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }