/* === Self-hosted Roboto (variable font, latin subset) === */
@font-face {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 300 500;
    font-stretch: 100%;
    font-display: swap;
    src: url('/fonts/roboto-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
        U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191,
        U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* === Base Styles === */
html, body {
    height: 100%;
    margin: 0;
}

:root {
    --color-hot: #c62828;
    --color-cold: #1565c0;
    --color-hot-bg: rgba(229, 57, 53, 0.12);
    --color-cold-bg: rgba(30, 136, 229, 0.12);
    --color-hot-border: rgba(229, 57, 53, 0.3);
    --color-cold-border: rgba(30, 136, 229, 0.3);
    --breadcrumb-color: #495866;
    --psychro-color-leaving: #00796b;
}

/* === Layout === */

.appbar-logo {
    height: 48px;
    margin-left: -8px;
    vertical-align: middle;
}

.appbar-logo-link {
    display: flex;
    align-items: center;
}

.breadcrumb-bar {
    background-color: var(--mud-palette-tertiary);
    padding: 6px 12px !important;
    min-height: 0 !important;
    font-size: 14px;
}

.breadcrumb-bar * {
    color: var(--breadcrumb-color) !important;
}

.layout-content {
    padding: 0;
    width: 100%;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

/* === Card Grids (Home + Category Pages) === */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 16px;
    padding: 16px;
}

.card-link {
    text-decoration: none;
    color: inherit;
    display: flex;
}

.card-link > .mud-card {
    flex: 1;
    transition: box-shadow 0.2s ease;
}

.card-grid-header {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.card-grid-text {
    flex: 1;
}

.card-link:hover > .mud-card {
    box-shadow: var(--card-hover-shadow);
    background-color: var(--card-hover-bg);
}

/* === Tool Page === */

.tool-detail-row {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 12px;
}

.tool-detail-row .detail-icon {
    color: var(--mud-palette-info);
    margin-top: 2px;
    flex-shrink: 0;
}

.tool-detail-row .detail-value {
    display: block;
    font-size: 14px;
    padding-right: 16px;
    color: var(--mud-palette-text-primary);
}

.tool-detail-row .detail-value--multiline {
    white-space: pre-line;
}

.description-body {
    line-height: 1.7;
    white-space: pre-line;
}

.related-card-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

.variables-list {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 6px 16px;
    margin-top: 4px;
    padding-left: 16px;
    align-items: baseline;
}

.variable-name {
}

.meta-label {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--mud-palette-text-secondary);
}
.meta-label--bold {
    font-weight: 600;
}

.variable-def {
    font-size: 13px;
    color: var(--mud-palette-text-primary);
}

/* === Expandable Section ===
   Animates open/close of info cards and their "Show..." button rows.
   Pair two siblings with opposite data-show values to cross-fade. */
.expandable-section {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    visibility: hidden;
    /* No transition by default — only active under body[data-ui-ready]. */
}

.expandable-section[data-show="true"] {
    grid-template-rows: 1fr;
    opacity: 1;
    visibility: visible;
}

body[data-ui-ready] .expandable-section {
    transition: grid-template-rows 250ms ease, opacity 250ms ease, visibility 0ms 250ms;
}

body[data-ui-ready] .expandable-section[data-show="true"] {
    transition: grid-template-rows 250ms ease, opacity 250ms ease, visibility 0ms 0ms;
}

.expandable-section__inner {
    overflow: hidden;
    min-height: 0;
}

@media (prefers-reduced-motion: reduce) {
    body[data-ui-ready] .expandable-section,
    body[data-ui-ready] .expandable-section[data-show="true"] {
        transition: none;
    }
}

.details-button-row {
    display: flex;
    justify-content: flex-end;
    padding: 4px 16px;
}

.calculator-layout {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.calculator-results-panel {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 16px;
    min-width: var(--results-panel-min-width, 255px);
    align-items: stretch;
    align-content: stretch;
    flex: 1;
    align-self: stretch;
}

.calculator-results-panel--stacked {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 16px;
}

/* === Select / Autocomplete highlight === */
.mud-list-item-gutters.mud-list-item-clickable:hover {
    background-color: var(--mud-palette-action-default-hover) !important;
}

.mud-list-item-gutters.mud-selected-item {
    background-color: var(--mud-palette-divider) !important;
}

.mud-list-item-gutters.mud-selected-item .mud-list-item-text,
.mud-list-item-gutters.mud-selected-item .mud-list-item-text * {
    color: var(--mud-palette-text-primary) !important;
}

/* === Tooltips === */
.mud-tooltip {
    font-size: 14px !important;
}

/* === Hide number input spinners === */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

/* === Elevation Lookup Adornment === */
.elevation-lookup-field .mud-input-adornment-end {
    cursor: pointer;
}

/* === Calculator === */
.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
    flex: 1 0 50%;
    min-width: 0;
}

.calculator-form-paired {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 24px 12px;
}

.calculator-form-paired > * {
    flex: 1 1 calc(50% - 6px);
    min-width: 300px;
}

.section-label {
    margin: 4px 0 -16px 0;
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--mud-palette-text-secondary);
    border-bottom: 1px solid var(--mud-palette-divider);
    padding-bottom: 6px;
}

.section-label:first-child {
    margin-top: 0;
}

/* === OA Load Calculator === */
.oa-outdoor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
    border-bottom: 1px solid var(--mud-palette-divider);
}

.oa-outdoor-title {
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--mud-palette-text-secondary);
    flex: 1 1 auto;
    min-width: 0;
}

.oa-summary-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 12px 0;
}

/* Results: one vertical group per scenario (Winter Heating / Cooling Day / Dehumid / Enthalpy).
   Within a group, chips flow in a row and wrap when the panel narrows — matching the
   outdoor-design-conditions chip styling up top. */
.oa-result-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
}

/* .section-label's default -16px bottom margin exists so form inputs visually hug under it;
   chips have no top padding to absorb that pull, so zero it out here. */
.oa-result-group > .section-label {
    margin-bottom: 0;
}

.oa-result-chips {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    align-items: stretch;
}

.oa-result-chips .psychro-result-chip {
    flex: 0 0 auto;
    width: auto;
    display: inline-flex;
    flex-direction: column;
    min-width: 0;
}

.oa-summary-chips .psychro-result-chip {
    flex: 0 0 auto;
    width: auto;
    display: inline-flex;
    flex-direction: column;
    min-width: 0;
}

.oa-chip-value-line {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.75rem;
    width: 100%;
}

.oa-chip-designation {
    font-size: 0.7em;
    font-weight: 400;
    opacity: 0.75;
    white-space: nowrap;
    flex-shrink: 0;
}

.oa-station-cta {
    margin: 0 0 12px 0;
    align-items: center;
}

/* MudAlert's .mud-alert-message sizes to content by default; stretch it so the inner flex
   can push the action button to the alert's right edge. Also center the leading icon. */
.oa-station-cta .mud-alert-message {
    width: 100%;
    flex: 1 1 auto;
    align-self: center;
}

.oa-station-cta .mud-alert-icon {
    align-self: center;
}

.oa-station-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    flex-wrap: wrap;
}

.oa-station-cta-actions {
    display: flex;
    gap: 0.5rem;
}

.mud-radio-group {
    gap: 16px;
}


.field-hint-row {
    display: flex;
    align-items: center;
    font-size: 12px;
    color: var(--mud-palette-text-secondary);
    margin-top: 3px;
    padding-left: 14px;
}

/* === Result Display === */
.result-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 32px;
    background: var(--mud-palette-background);
    border-radius: 8px;
    border: 1px solid var(--mud-palette-info);
    text-align: center;
    flex: 1 1 calc(50% - 8px);
    min-width: 150px;
}

.result-label {
}

.result-value {
    font-size: 24px;
    font-weight: 500;
    color: var(--mud-palette-text-primary);
}

.result-display.highlight .result-value {
    color: var(--mud-palette-text-primary);
}

.results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

/* === Explain Tooltip Icon === */
.explain-icon {
    font-size: 16px !important;
    width: 16px !important;
    height: 16px !important;
    margin-left: 4px;
    cursor: help;
    color: var(--mud-palette-text-secondary);
    vertical-align: middle;
}

/* === Weather Station === */
.search-container {
    max-width: 900px;
}

.detail-container {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.detail-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.detail-section-title {
    font-size: 18px;
    font-weight: 500;
    margin: 0;
    color: var(--mud-palette-text-primary);
}

.detail-section-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.data-groups {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    flex-wrap: wrap;
}

.data-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.data-cards {
    display: flex;
    flex-wrap: wrap;
    gap: 24px 48px;
}

.data-card {
    display: flex;
    flex-direction: column;
}

.data-card .data-label {
}

.data-card .data-value {
    font-size: 20px;
    font-weight: 500;
    margin: 2px 0;
    color: var(--mud-palette-text-primary);
}

.data-card .data-sublabel {
    font-size: 11px;
    color: var(--mud-palette-text-disabled);
}

.data-card.accent-hot .data-value {
    color: var(--color-hot);
}

.data-card.accent-cold .data-value {
    color: var(--color-cold);
}

/* Detail tables */
.table-wrapper {
    border: 1px solid var(--mud-palette-divider);
    border-radius: 8px;
    overflow-x: auto;
}

.detail-table {
    width: 100%;
    border-collapse: collapse;
    white-space: nowrap;
    font-size: 13px;
}

.detail-table th,
.detail-table td {
    padding: 8px 12px;
    text-align: center;
    border: 1px solid var(--mud-palette-divider);
}

.detail-table thead th {
    font-weight: 600;
    color: var(--mud-palette-text-secondary);
}

.detail-table tbody td {
    color: var(--mud-palette-text-primary);
}

.detail-table .row-label {
    text-align: center;
    font-weight: 600;
    color: var(--mud-palette-text-secondary);
}

.monthly-table td,
.monthly-table th {
    min-width: 52px;
}

.col-hot {
    background-color: var(--color-hot-bg);
}

.col-cold {
    background-color: var(--color-cold-bg);
}

thead .col-hot {
    color: var(--color-hot);
    font-weight: 600;
}

thead .col-cold {
    color: var(--color-cold);
    font-weight: 600;
}

/* Legend */
.table-legend {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--mud-palette-text-secondary);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend-swatch {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.legend-hot .legend-swatch {
    background-color: var(--color-hot-bg);
    border: 1px solid var(--color-hot-border);
}

.legend-cold .legend-swatch {
    background-color: var(--color-cold-bg);
    border: 1px solid var(--color-cold-border);
}

/* === Sidebar Nav === */

.sidebar-nav {
    padding: 0;
    height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    padding: 6px 16px;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: #fff;
    background: var(--mud-palette-secondary);
}

.nav-external-icon {
    opacity: 0.5;
    font-size: 14px !important;
    margin-bottom: -2px;
}

.sidebar-brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: inherit;
    text-decoration: none;
}

/* Parent group headers */
.nav-group-header {
    font-weight: 600 !important;
    font-size: 0.8rem !important;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    background: var(--mud-palette-divider) !important;
    border-top: 1px solid rgba(var(--mud-palette-info-rgb), 0.15);
}

.mud-nav-group:last-child {
    border-bottom: 1px solid rgba(var(--mud-palette-info-rgb), 0.15);
}

.nav-group-active,
.nav-group-active .mud-nav-link-icon {
    color: var(--mud-palette-info) !important;
}

.mud-drawer .mud-nav-group .mud-collapse .mud-nav-link {
    border-bottom: 1px solid var(--mud-palette-divider);
}

.mud-drawer .mud-nav-link:hover,
.mud-drawer .mud-nav-link.active {
    background: rgba(var(--mud-palette-info-rgb), 0.15) !important;
}

.psychro-hover-tooltip {
    position: absolute;
    background: var(--mud-palette-info);
    color: var(--result-card-text);
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 14px;
    pointer-events: none;
    display: flex;
    gap: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* === Psychrometric Chart Layout === */
.psychro-top-inputs {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 12px;
}

@media (min-width: 600px) {
    .psychro-top-inputs {
        gap: 16px;
    }

    .psychro-top-inputs > .mud-input-control {
        flex: 1;
        min-width: 180px;
    }
}

.psychro-process-loads {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-top: 8px;
}

.psychro-layout {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.psychro-chart {
    width: 100%;
    min-width: 0;
}

.psychro-sidebar {
    width: 100%;
}

.psychro-results {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* === Utility Classes === */

/* 1. Card with info border */
.info-card { border: 1px solid var(--mud-palette-info); }

/* 2. Card icon (primary color, 2.5rem) */
.card-icon { color: var(--mud-palette-primary); font-size: 2.75rem !important; }

/* 3. Card title */
.card-title { font-weight: 500 !important; line-height: 1.3 !important; align-self: baseline !important; margin-bottom: 4px !important; }

/* 4. Muted text */
.text-muted { opacity: 0.6; }

/* 5. External link indicator */
.text-faint { opacity: 0.3; }

/* 6. Psychrometric result chip */
.psychro-result-chip { background: var(--mud-palette-info) !important; color: var(--result-card-text) !important; padding: 4px 10px; border-radius: 4px; }
.psychro-result-chip--selectable { cursor: pointer; }
.psychro-result-chip--selectable:hover { filter: brightness(1.1); }

/* 7. Psychrometric result caption */
.psychro-result-caption { opacity: 0.85; }

/* 8. Psychrometric result value */
.psychro-result-value { font-weight: 600; }

/* 9. Result unit span */
.psychro-result-unit { font-size: 0.65em; font-weight: 400; opacity: 0.85; }

/* 10. Process line leaving marker */
.psychro-leaving-marker { fill: var(--psychro-color-leaving); stroke: white; stroke-width: 1.5; }

/* 11. Process line section labels */
.psychro-process-label { display: block; }
.psychro-process-label--leaving { color: var(--psychro-color-leaving); }
.psychro-process-header { display: flex; justify-content: space-between; align-items: center; }

/* 13. Close button positioning */
.close-btn-float { position: absolute !important; top: 8px; right: 8px; opacity: 0.5; }

/* 14. Card content relative */
.card-content-relative { position: relative !important; }

/* App store badges — fixed size, softened, brighten to full opacity on hover */
.app-store-badge { width: 130px; height: 42px; display: block; opacity: 0.85; transition: opacity 0.15s ease; }
.app-store-badge:hover { opacity: 1; }

/* Right-aligned in the About card on most screens, left-aligned on phones (<600px) */
.app-store-badges { justify-content: flex-end; }
@media (max-width: 600px) { .app-store-badges { justify-content: flex-start; } }

/* 12. Show details button */
.btn-show-details { text-transform: none !important; opacity: 0.6; margin-top: 8px !important; }

/* 13. No padding card content */
.card-content-flush { padding: 0 !important; }

/* 14. Dialog icon vertical align */
.icon-valign { vertical-align: middle; }

/* === Focus Styles === */
:focus-visible {
    outline: 2px solid var(--mud-palette-primary);
    outline-offset: 2px;
}

.page-header h1:focus-visible {
    outline: none;
}

@media (min-width: 1600px) {
    .psychro-layout {
        flex-direction: row;
        gap: 24px;
    }

    .psychro-chart {
        flex: 3;
        min-width: 0;
    }

    .psychro-sidebar {
        flex: 1;
    }

    .psychro-sidebar .psychro-results > .mud-paper {
        width: calc(50% - 4px);
    }
}

@media (min-width: 2560px) {
    .psychro-sidebar .psychro-results > .mud-paper {
        width: calc(33.33% - 6px);
    }
}

/* === Responsive === */
@media (max-width: 1280px) {
    .appbar-logo-link {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    .appbar-logo {
        margin-left: 0;
    }
}

/* Blazor circuit reconnect UI — rolling update resilience */
.blazor-reconnect-hide {
    display: none;
}

#components-reconnect-modal.components-reconnect-show,
#components-reconnect-modal.components-reconnect-failed,
#components-reconnect-modal.components-reconnect-rejected {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    inset: 0;
    z-index: 10000;
}

#components-reconnect-modal .blazor-reconnect-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
}

#components-reconnect-modal .blazor-reconnect-dialog {
    position: relative;
    background: var(--mud-palette-surface, #fff);
    color: var(--mud-palette-text-primary, #333);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    z-index: 1;
}

#components-reconnect-modal .blazor-reconnect-message {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 500;
}

#components-reconnect-modal .blazor-reconnect-spinner + .blazor-reconnect-message,
#components-reconnect-modal .blazor-reconnect-message + .blazor-reconnect-spinner {
    margin-top: 0.75rem;
}

#components-reconnect-modal .blazor-reconnect-spinner {
    width: 28px;
    height: 28px;
    margin: 0 auto;
    border: 3px solid var(--mud-palette-lines-default, #ddd);
    border-top-color: var(--mud-palette-primary, #1976d2);
    border-radius: 50%;
    animation: blazor-reconnect-spin 0.8s linear infinite;
}

@keyframes blazor-reconnect-spin {
    to { transform: rotate(360deg); }
}

/* State-scoped visibility: elements are hidden by default and revealed only
   when the modal carries the matching framework state class. */
#components-reconnect-modal .blazor-reconnect-show-only,
#components-reconnect-modal .blazor-reconnect-failed-only,
#components-reconnect-modal .blazor-reconnect-rejected-only {
    display: none;
}

#components-reconnect-modal.components-reconnect-show .blazor-reconnect-show-only,
#components-reconnect-modal.components-reconnect-failed .blazor-reconnect-failed-only,
#components-reconnect-modal.components-reconnect-rejected .blazor-reconnect-rejected-only {
    display: revert;
}

#components-reconnect-modal.components-reconnect-show .blazor-reconnect-spinner.blazor-reconnect-show-only {
    display: block;
}