/* ============================================================
   ENGINEERSCALC — SELECTOR TOOLS
   Reference selector UI styles
   ============================================================ */

.ec-selector-config {
    --ec-selector-bg: #ffffff;
    --ec-selector-bg-soft: #f8fafc;
    --ec-selector-bg-active: #f4f7fb;
    --ec-selector-border: #d8dee8;
    --ec-selector-border-hover: #b8c3d2;
    --ec-selector-text: #182230;
    --ec-selector-muted: #667085;
    --ec-selector-accent: #2f6fed;

    display: grid;
    gap: 16px;

    width: 100%;
    min-width: 0;
}


/* ============================================================
   COMMON CONTROL WIDTH
   ============================================================ */

.ec-selector-config > .ec-input-group,
.ec-selector-config > .ec-selector-option,
.ec-selector-config > .ec-selector-preview,
.ec-selector-config > .ec-selector-termination-note,
.ec-selector-config > .ec-selector-geometry {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box;
}


/* ============================================================
   INPUT GROUPS
   ============================================================ */

.ec-selector-config .ec-input-group {
    display: grid;
    gap: 6px;

    margin: 0;
    padding: 0;
}

.ec-selector-config .ec-input-label {
    margin: 0;

    font-size: 12px;
    font-weight: 700;
    line-height: 1.3;

    color: #344054;
}

.ec-selector-config .ec-input-group > .ec-input--select,
.ec-selector-config .ec-input-group > .ec-input--numeric {
    display: block;

    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;

    box-sizing: border-box;

    background: var(--ec-selector-bg) !important;
    border-color: var(--ec-selector-border) !important;
    color: #1d2939;
}


/* ============================================================
   INPUT + UNIT ROW
   ============================================================ */

.ec-selector-config .ec-input-row {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) 64px !important;
    gap: 6px;

    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;

    box-sizing: border-box;
}

.ec-selector-config .ec-input-row .ec-input--numeric {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;

    background: var(--ec-selector-bg) !important;
}

.ec-selector-config select[data-auto-units] {
    width: 64px !important;
    max-width: 64px !important;
    min-width: 64px !important;

    box-sizing: border-box;

    background: var(--ec-selector-bg) !important;
    border-color: var(--ec-selector-border) !important;
    color: #344054 !important;

    font-size: 11px !important;
    line-height: 1.2 !important;

    padding-left: 8px !important;
    padding-right: 20px !important;
}


/* ============================================================
   COMPONENT ENABLE CARDS
   ============================================================ */

.ec-selector-option {
    display: flex;
    align-items: flex-start;
    gap: 10px;

    min-height: 0;

    padding: 11px 12px;

    border: 1px solid var(--ec-selector-border);
    border-radius: 7px;

    background: var(--ec-selector-bg);

    cursor: pointer;

    transition:
        border-color 0.15s ease,
        background-color 0.15s ease,
        box-shadow 0.15s ease;
}

.ec-selector-option:hover {
    border-color: var(--ec-selector-border-hover);
    background: #fbfcfe;
}

.ec-selector-option:has(input:checked) {
    border-color: #aebbd0;
    background: #fbfcfe;
    box-shadow: 0 0 0 1px rgba(49, 84, 138, 0.035);
}

.ec-selector-option:has(input:disabled) {
    opacity: 0.55;
    cursor: not-allowed;
}

.ec-selector-config .ec-input--toggle,
.ec-selector-option input[type="checkbox"] {
    width: 14px !important;
    height: 14px !important;
    min-width: 14px !important;
    max-width: 14px !important;

    flex: 0 0 14px !important;

    margin: 2px 0 0;
    padding: 0;
}

.ec-selector-option-copy {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    gap: 2px;

    min-width: 0;
}

.ec-selector-option-copy strong {
    font-size: 13px;
    font-weight: 700;
    line-height: 1.3;

    color: var(--ec-selector-text);
}

.ec-selector-option-copy span {
    font-size: 11px;
    line-height: 1.35;

    color: var(--ec-selector-muted);
}

.ec-selector-option + .ec-input-group {
    margin-top: -4px;
}


/* ============================================================
   TERMINATION NOTE
   ============================================================ */

.ec-selector-termination-note {
    display: grid;
    gap: 3px;

    padding: 11px 12px;

    border: 1px solid var(--ec-selector-border);
    border-radius: 7px;

    background: var(--ec-selector-bg-soft);
}

.ec-selector-termination-note strong {
    font-size: 12px;
    color: var(--ec-selector-text);
}

.ec-selector-termination-note span {
    font-size: 11px;
    line-height: 1.4;
    color: var(--ec-selector-muted);
}


/* ============================================================
   ASSEMBLY STACK PREVIEW
   ============================================================ */

.ec-selector-preview {
    margin-top: 2px;
    padding: 15px 14px;

    border: 1px solid var(--ec-selector-border);
    border-radius: 8px;

    background: var(--ec-selector-bg);
}

.ec-selector-preview-title {
    margin-bottom: 14px;

    font-size: 11px;
    font-weight: 800;
    line-height: 1;

    text-transform: uppercase;
    letter-spacing: 0.08em;

    color: var(--ec-selector-muted);
}

.ec-selector-preview-empty {
    padding: 3px 0;

    font-size: 11px;
    line-height: 1.45;

    color: var(--ec-selector-muted);
}

.ec-selector-stack {
    display: flex;
    flex-direction: column;
    align-items: center;

    gap: 0;
    width: 100%;
}

.ec-selector-stack-item {
    width: 100%;
    max-width: 280px;

    box-sizing: border-box;
    text-align: center;
}

.ec-selector-stack-item strong {
    display: block;

    font-size: 12px;
    font-weight: 700;
    line-height: 1.25;
}

.ec-selector-stack-item span {
    display: block;

    margin-top: 3px;

    font-size: 10px;
    line-height: 1.25;
}

.ec-selector-stack-connector {
    width: 2px;
    height: 9px;

    background: #98a2b3;
}

.ec-selector-stack-item--bolt {
    padding: 10px 14px;

    border: 1px solid #172033;
    border-radius: 6px 6px 3px 3px;

    background: #172033;
    color: #ffffff;
}

.ec-selector-stack-item--bolt strong {
    color: #ffffff;
}

.ec-selector-stack-item--bolt span {
    color: rgba(255, 255, 255, 0.68);
}

.ec-selector-stack-item--washer,
.ec-selector-stack-item--locking,
.ec-selector-stack-item--plate,
.ec-selector-stack-item--termination {
    width: 88%;
    max-width: 250px;
}

.ec-selector-stack-item--washer {
    padding: 7px 12px;

    border: 1px solid #8090a7;
    border-radius: 3px;

    background: #ffffff;
}

.ec-selector-stack-item--locking {
    padding: 7px 12px;

    border: 1px dashed #667085;
    border-radius: 3px;

    background: #eef2f6;
}

.ec-selector-stack-item--plate {
    padding: 14px 12px;

    border: 1px solid #475467;

    background: #e8edf3;
}

.ec-selector-stack-item--termination {
    padding: 9px 12px;

    border: 1px solid #344054;
    border-radius: 3px 3px 6px 6px;

    background: #344054;
    color: #ffffff;
}

.ec-selector-stack-item--termination strong {
    color: #ffffff;
}

.ec-selector-stack-item--termination span {
    color: rgba(255, 255, 255, 0.68);
}


/* ============================================================
   VISUAL GEOMETRY PREVIEW
   ============================================================ */

.ec-selector-geometry {
    width: 100%;
    margin-top: 4px;
    padding: 14px;

    border: 1px solid var(--ec-selector-border);
    border-radius: 8px;

    background: var(--ec-selector-bg);

    box-sizing: border-box;
}

.ec-selector-geometry__header {
    margin-bottom: 12px;
}

.ec-selector-geometry__title {
    font-size: 11px;
    font-weight: 800;
    line-height: 1;

    text-transform: uppercase;
    letter-spacing: 0.08em;

    color: var(--ec-selector-muted);
}

.ec-selector-geometry__note {
    margin-top: 6px;

    font-size: 11px;
    line-height: 1.4;

    color: var(--ec-selector-muted);
}

.ec-selector-geometry__layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    align-items: start;
}

.ec-selector-geometry__canvas,
.ec-selector-geometry__legend {
    min-width: 0;
    min-height: 260px;
    padding: 12px;

    border: 1px solid var(--ec-selector-border);
    border-radius: 8px;

    background: var(--ec-selector-bg-soft);

    box-sizing: border-box;
}

.ec-selector-geometry__empty {
    font-size: 11px;
    line-height: 1.45;

    color: var(--ec-selector-muted);
}

.ec-selector-geometry-svg {
    display: block;

    width: 100%;
    height: auto;

    overflow: visible;
}


/* ============================================================
   GEOMETRY SHAPES
   ============================================================ */

.ec-geometry-axis {
    stroke: #cbd5e1;
    stroke-width: 1;
    stroke-dasharray: 4 4;
}

.ec-geometry-plate {
    fill: #e8edf3;
    stroke: #475467;
    stroke-width: 1.35;
}

.ec-geometry-receiver {
    fill: #f1f4f8;
    stroke: #667085;
    stroke-width: 1.15;
}

.ec-geometry-interface-line {
    stroke: #667085;
    stroke-width: 1;
    stroke-dasharray: 4 3;
}

.ec-geometry-recess {
    fill: #ffffff;
    stroke: #98a2b3;
    stroke-width: 1;
    stroke-dasharray: 3 3;
}

.ec-geometry-bolt-head {
    fill: #344054;
    stroke: #172033;
    stroke-width: 1.4;
}

.ec-geometry-socket {
    fill: #172033;
    stroke: #98a2b3;
    stroke-width: 0.9;
}

.ec-geometry-shank {
    fill: #667085;
    stroke: #344054;
    stroke-width: 1;
}

.ec-geometry-thread-overlay {
    fill: url(#ec-thread-hatch);
    opacity: 0.68;
}

.ec-geometry-flat-washer {
    fill: #ffffff;
    stroke: #667085;
    stroke-width: 1.25;
}

.ec-geometry-locking-washer {
    fill: #eef2f6;
    stroke: #475467;
    stroke-width: 1.25;
}

.ec-geometry-tapped-zone {
    fill: rgba(71, 84, 103, 0.08);
    stroke: #667085;
    stroke-width: 1;
    stroke-dasharray: 3 2;
}

.ec-geometry-nut {
    fill: #475467;
    stroke: #344054;
    stroke-width: 1.35;
}

.ec-geometry-governing-shape {
    stroke: var(--ec-selector-accent) !important;
    stroke-width: 2.2 !important;
}

.ec-geometry-symbol {
    fill: #344054;

    font-size: 10px;
    font-weight: 700;

    font-family:
        ui-monospace,
        SFMono-Regular,
        Menlo,
        Monaco,
        Consolas,
        monospace;
}

.ec-geometry-symbol--inverse {
    fill: #ffffff;
}

.ec-geometry-note {
    fill: #98a2b3;
    font-size: 8px;
}


/* ============================================================
   GEOMETRY LEGEND / TABLE
   ============================================================ */

.ec-geometry-governing {
    display: grid;
    gap: 3px;

    margin-bottom: 10px;
    padding: 9px 10px;

    border: 1px solid #d8e2f2;
    border-radius: 6px;

    background: #f7f9fd;
}

.ec-geometry-governing span {
    font-size: 9px;
    font-weight: 700;
    line-height: 1.2;

    text-transform: uppercase;
    letter-spacing: 0.05em;

    color: #667085;
}

.ec-geometry-governing strong {
    font-size: 11px;
    line-height: 1.35;

    color: #344054;
}

.ec-geometry-table {
    width: 100%;

    border-collapse: collapse;
    table-layout: fixed;

    font-size: 11px;
}

.ec-geometry-table th {
    padding: 7px 6px;

    border-bottom: 1px solid #d8dee8;

    text-align: left;

    font-size: 10px;
    font-weight: 700;

    color: #667085;
}

.ec-geometry-table td {
    padding: 7px 6px;

    border-bottom: 1px solid #eaecf0;

    vertical-align: top;
    line-height: 1.35;

    color: #344054;
}

.ec-geometry-table th:nth-child(1),
.ec-geometry-table td:nth-child(1) {
    width: 46px;
}

.ec-geometry-table th:nth-child(3),
.ec-geometry-table td:nth-child(3) {
    width: 76px;
    text-align: right;
    white-space: nowrap;
}

.ec-geometry-table code {
    padding: 0;

    background: transparent;

    font-size: 11px;
    font-weight: 700;

    color: #182230;
}


/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 700px) {

    .ec-selector-config {
        gap: 14px;
    }

    .ec-selector-preview,
    .ec-selector-geometry {
        padding: 12px;
    }

    .ec-selector-stack-item {
        max-width: 280px;
    }

    .ec-selector-geometry__layout {
        grid-template-columns: 1fr;
    }
}