:root {
    color-scheme: light;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    font-synthesis: none;
    --ink: #17202a;
    --muted: #5a6773;
    --line: #ccd4dc;
    --surface: #ffffff;
    --canvas: #f3f5f7;
    --nav: #0f172a;
    --accent: #f97316;
    --focus: #1677b8;
    --good: #177245;
    --warn: #9a5b00;
    --danger: #b42318;
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    background: var(--canvas);
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--canvas);
}

button,
input,
select {
    font: inherit;
}

a {
    color: inherit;
}

.skip-link {
    position: fixed;
    left: 12px;
    top: -60px;
    z-index: 100;
    padding: 10px 14px;
    background: var(--surface);
    border: 2px solid var(--focus);
}

.skip-link:focus {
    top: 12px;
}

:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
}

.app-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 224px minmax(0, 1fr);
    grid-template-rows: 68px minmax(0, 1fr);
}

.topbar {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 224px minmax(240px, 620px) 1fr;
    align-items: center;
    gap: 20px;
    min-height: 68px;
    padding: 10px 18px;
    color: #ffffff;
    background: var(--nav);
    border-bottom: 3px solid var(--accent);
}

.brand-area {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.brand {
    display: block;
    min-width: 0;
    text-decoration: none;
}

.brand-name {
    display: block;
    font-size: 20px;
    font-weight: 800;
}

.brand-tagline {
    display: block;
    margin-top: 2px;
    color: #d3dae2;
    font-size: 11px;
}

.global-search {
    position: relative;
}

.global-search label {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.global-search input {
    width: 100%;
    min-height: 42px;
    padding: 9px 14px;
    border: 1px solid #647385;
    border-radius: 5px;
    color: var(--ink);
    background: #ffffff;
}

.session-tools {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.session-copy {
    min-width: 0;
    text-align: right;
}

.session-user,
.session-role {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.session-user {
    font-size: 13px;
    font-weight: 750;
}

.session-role {
    color: #d3dae2;
    font-size: 11px;
}

.quiet-button,
.menu-button {
    min-height: 40px;
    border: 1px solid #8390a0;
    border-radius: 5px;
    padding: 8px 11px;
    color: #ffffff;
    background: transparent;
    cursor: pointer;
}

.menu-button {
    display: none;
}

.primary-nav {
    grid-column: 1;
    grid-row: 2;
    padding: 20px 12px;
    color: #eef2f6;
    background: #17212d;
}

.primary-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 5px;
}

.primary-nav a {
    display: block;
    min-height: 42px;
    padding: 11px 12px;
    border-left: 3px solid transparent;
    text-decoration: none;
    font-size: 14px;
    font-weight: 650;
}

.primary-nav a:hover {
    background: #263343;
}

.primary-nav a[aria-current="page"] {
    border-color: var(--accent);
    background: #2c3948;
}

.nav-note {
    margin: 22px 12px 0;
    color: #aeb9c5;
    font-size: 12px;
    line-height: 1.45;
}

.main-content {
    grid-column: 2;
    grid-row: 2;
    min-width: 0;
    padding: 26px clamp(16px, 3vw, 42px) 48px;
}

.page-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 22px;
}

.eyebrow {
    margin: 0 0 5px;
    color: var(--muted);
    font-size: 12px;
    font-weight: 750;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: 32px;
    letter-spacing: 0;
}

.page-summary {
    max-width: 760px;
    margin: 8px 0 0;
    color: var(--muted);
    line-height: 1.5;
}

.freshness {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 12px;
    white-space: nowrap;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(5, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.metric,
.panel,
.map-inspector {
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--surface);
}

.metric {
    min-height: 122px;
    padding: 15px;
}

.metric-label {
    display: block;
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
}

.metric-value {
    display: block;
    margin: 14px 0 6px;
    font-size: 25px;
    font-weight: 800;
}

.metric-state {
    display: block;
    color: var(--warn);
    font-size: 12px;
}

.content-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.7fr) minmax(260px, .7fr);
    gap: 18px;
}

.panel {
    padding: 18px;
    min-width: 0;
}

.panel h2 {
    margin: 0;
    font-size: 18px;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 15px;
}

.panel-copy {
    margin: 7px 0 0;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.45;
}

.state-message {
    padding: 26px 16px;
    border: 1px dashed #aeb8c2;
    text-align: center;
    color: var(--muted);
}

.state-message strong {
    display: block;
    margin-bottom: 6px;
    color: var(--ink);
}

.state-message[data-kind="error"] {
    border-color: #d4a09b;
    color: var(--danger);
}

.state-message[hidden] {
    display: none;
}

.table-wrap {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--line);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
}

th,
td {
    padding: 11px 12px;
    border-bottom: 1px solid #e3e8ed;
    text-align: left;
    vertical-align: top;
}

th {
    color: #40505f;
    background: #f7f8fa;
    font-size: 12px;
}

td {
    font-size: 13px;
}

tbody tr:last-child td {
    border-bottom: 0;
}

.object-link {
    color: #075b91;
    font-weight: 750;
}

.secondary {
    display: block;
    margin-top: 3px;
    color: var(--muted);
    font-size: 11px;
}

.status-text {
    font-weight: 750;
}

.status-text::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    margin-right: 7px;
    border-radius: 50%;
    background: #758493;
}

.status-text[data-status="active"]::before,
.status-text[data-status="online"]::before {
    background: var(--good);
}

.status-text[data-status="in_repair"]::before,
.status-text[data-status="repair"]::before {
    background: var(--warn);
}

.status-text[data-status="critical"]::before {
    background: var(--danger);
}

.filter-bar {
    display: flex;
    align-items: end;
    gap: 10px;
    margin-bottom: 14px;
}

.field {
    display: grid;
    gap: 6px;
    min-width: min(100%, 320px);
}

.field label {
    color: #40505f;
    font-size: 12px;
    font-weight: 750;
}

.field input,
.field select {
    min-height: 42px;
    border: 1px solid #9da9b5;
    border-radius: 5px;
    padding: 8px 10px;
    background: #ffffff;
}

.command-button {
    min-height: 42px;
    border: 1px solid #1b5f89;
    border-radius: 5px;
    padding: 8px 15px;
    color: #ffffff;
    background: #176b9a;
    font-weight: 750;
    cursor: pointer;
}

.command-button:disabled {
    cursor: not-allowed;
    opacity: .58;
}

.map-layout {
    display: grid;
    grid-template-columns: 210px minmax(340px, 1fr) 280px;
    min-height: 520px;
    border: 1px solid var(--line);
    background: var(--surface);
}

.map-controls,
.map-inspector {
    padding: 16px;
}

.map-controls {
    border-right: 1px solid var(--line);
}

.map-controls h2,
.map-inspector h2 {
    margin: 0 0 14px;
    font-size: 16px;
}

.hierarchy {
    margin: 0 0 20px;
    padding-left: 18px;
    color: #40505f;
    line-height: 1.8;
}

.control-stack {
    display: grid;
    gap: 12px;
}

.map-viewport {
    display: grid;
    place-items: center;
    min-height: 420px;
    padding: 28px;
    background: #e8edf1;
    box-shadow: inset 0 0 0 10px #dde4ea;
}

.map-empty {
    max-width: 460px;
    padding: 22px;
    border: 1px solid #9da9b5;
    background: #ffffff;
    text-align: center;
}

.map-empty strong {
    display: block;
    margin-bottom: 8px;
}

.map-inspector {
    border: 0;
    border-left: 1px solid var(--line);
    border-radius: 0;
}

.definition-list {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px 14px;
    margin: 0;
    font-size: 13px;
}

.definition-list dt {
    color: var(--muted);
}

.definition-list dd {
    margin: 0;
    font-weight: 650;
}

.notice {
    padding: 12px 14px;
    border-left: 4px solid var(--warn);
    background: #fff8e8;
    color: #694100;
    font-size: 13px;
    line-height: 1.45;
}

@media (max-width: 1120px) {
    .metrics {
        grid-template-columns: repeat(3, minmax(140px, 1fr));
    }

    .map-layout {
        grid-template-columns: 190px minmax(320px, 1fr);
    }

    .map-inspector {
        grid-column: 1 / -1;
        border-top: 1px solid var(--line);
        border-left: 0;
    }
}

@media (max-width: 820px) {
    .app-shell {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto minmax(0, 1fr);
    }

    .topbar {
        position: sticky;
        top: 0;
        z-index: 30;
        grid-template-columns: auto minmax(0, 1fr) auto;
        gap: 10px;
    }

    .brand-tagline,
    .session-copy {
        display: none;
    }

    .menu-button {
        display: inline-block;
    }

    .global-search {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .primary-nav {
        display: none;
        grid-column: 1;
        grid-row: 2;
        padding: 10px 12px;
    }

    .primary-nav[data-open="true"] {
        display: block;
    }

    .primary-nav ul {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .primary-nav a {
        min-height: 46px;
        padding: 12px 8px;
        text-align: center;
    }

    .nav-note {
        display: none;
    }

    .main-content {
        grid-column: 1;
        grid-row: 3;
        padding-top: 20px;
    }

    .metrics {
        grid-template-columns: repeat(2, minmax(130px, 1fr));
    }

    .content-grid {
        grid-template-columns: 1fr;
    }

    .map-layout {
        grid-template-columns: 1fr;
    }

    .map-controls,
    .map-inspector {
        border: 0;
        border-bottom: 1px solid var(--line);
    }
}

@media (max-width: 560px) {
    .topbar {
        padding: 9px 10px;
    }

    .brand-name {
        font-size: 18px;
    }

    .quiet-button {
        padding: 7px 9px;
    }

    .main-content {
        padding: 18px 12px 36px;
    }

    .page-head {
        display: block;
    }

    .freshness {
        margin-top: 10px;
        white-space: normal;
    }

    .metrics {
        grid-template-columns: 1fr;
    }

    .metric {
        min-height: 100px;
    }

    .primary-nav ul {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .filter-bar {
        align-items: stretch;
        flex-direction: column;
    }

    .field {
        min-width: 0;
        width: 100%;
    }

    .command-button {
        width: 100%;
    }

    .table-wrap {
        border: 0;
        overflow: visible;
    }

    table,
    thead,
    tbody,
    tr,
    th,
    td {
        display: block;
    }

    thead {
        position: absolute;
        width: 1px;
        height: 1px;
        overflow: hidden;
    }

    tbody {
        display: grid;
        gap: 10px;
    }

    tr {
        border: 1px solid var(--line);
        background: var(--surface);
    }

    td {
        display: grid;
        grid-template-columns: minmax(90px, .45fr) 1fr;
        gap: 10px;
        border-bottom: 1px solid #e3e8ed;
    }

    td::before {
        content: attr(data-label);
        color: var(--muted);
        font-size: 11px;
        font-weight: 750;
    }

    .map-viewport {
        min-height: 340px;
        padding: 14px;
    }
}

/* Mine Map v1 */
.map-context {
    padding: 15px;
    border: 1px solid var(--line);
    background: var(--surface);
}

.map-context-head,
.map-status-band,
.inspector-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.map-context h2,
.map-inspector-v1 h2,
.unplaced-section h2 {
    margin: 0;
    font-size: 17px;
}

.map-control-grid {
    display: grid;
    grid-template-columns: minmax(150px, .8fr) minmax(150px, .8fr)
        minmax(170px, .9fr) minmax(220px, 1.4fr);
    gap: 10px;
    margin-top: 14px;
}

.map-filters {
    margin-top: 12px;
    border-top: 1px solid #e3e8ed;
    padding-top: 10px;
}

.map-filters summary {
    min-height: 36px;
    cursor: pointer;
    color: #334252;
    font-size: 13px;
    font-weight: 750;
}

.map-filter-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(135px, 1fr)) auto;
    align-items: end;
    gap: 10px;
}

.map-filter-grid .quiet-button,
.icon-button {
    color: var(--ink);
    border-color: #8e9ba8;
    background: #fff;
}

.map-status-band {
    align-items: flex-start;
    margin: 12px 0;
}

.map-summary,
.map-legend {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.summary-fact {
    display: inline-flex;
    align-items: baseline;
    gap: 5px;
    padding-right: 9px;
    border-right: 1px solid var(--line);
    color: var(--muted);
    font-size: 12px;
}

.summary-fact strong {
    color: var(--ink);
    font-size: 15px;
}

.mine-map-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    border: 1px solid var(--line);
    background: var(--surface);
}

.mine-map-workspace[hidden],
.map-inspector-v1[hidden],
.unplaced-section[hidden],
.map-notice[hidden] {
    display: none;
}

.map-main-column {
    min-width: 0;
}

.map-legend {
    min-height: 50px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--line);
    background: #f7f8fa;
    font-size: 12px;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.legend-marker,
.status-marker {
    display: inline-grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border: 1px solid #758493;
    border-radius: 4px;
    color: #263442;
    background: #eef1f4;
    font-size: 10px;
    font-weight: 850;
}

.map-notice {
    margin: 14px;
    padding: 13px;
    border-left: 4px solid var(--warn);
    background: #fff8e8;
    color: #694100;
    font-size: 13px;
}

.map-viewport-v1 {
    display: grid;
    gap: 14px;
    min-height: 380px;
    max-height: calc(100vh - 330px);
    overflow: auto;
    padding: 14px;
    background: #e9edf0;
}

.map-rack {
    min-width: 0;
    border: 1px solid #aeb8c2;
    background: #fff;
}

.rack-title {
    margin: 0;
    padding: 9px 12px;
    color: #fff;
    background: #263442;
    font-size: 14px;
}

.map-shelf {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    border-top: 1px solid var(--line);
}

.map-shelf:first-of-type {
    border-top: 0;
}

.shelf-title {
    margin: 0;
    padding: 12px;
    color: #40505f;
    background: #f3f5f7;
    font-size: 12px;
}

.position-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(142px, 1fr));
    gap: 7px;
    padding: 8px;
}

.map-position {
    display: grid;
    grid-template-rows: auto auto auto auto;
    gap: 5px;
    min-width: 0;
    min-height: 118px;
    padding: 9px;
    border: 1px solid #8e9ba8;
    border-left: 5px solid #758493;
    border-radius: 4px;
    color: var(--ink);
    background: #fff;
    text-align: left;
}

button.map-position {
    cursor: pointer;
}

button.map-position:hover {
    border-color: #40505f;
    background: #f8fafb;
}

.map-position[data-selected="true"] {
    box-shadow: 0 0 0 3px var(--focus);
}

.map-position[data-filtered="true"] {
    opacity: .34;
    filter: grayscale(1);
}

.map-position[data-status="online"] { border-left-color: #177245; }
.map-position[data-status="offline"] { border-left-color: #b42318; background: #fff5f4; }
.map-position[data-status="unstable"] { border-left-color: #9a5b00; background: #fff9ed; }
.map-position[data-status="repair"] { border-left-color: #6b4ca5; background: #f7f3fc; }
.map-position[data-status="spare"] { border-left-color: #1677b8; background: #f1f8fc; }
.map-position[data-status="retired"] { border-left-color: #4d5660; background: #eef0f2; }
.map-position[data-status="empty"] { border-style: dashed; border-left-color: #8e9ba8; background: #f8fafb; }
.map-position[data-status="expected"] { border-left-color: #996600; background: #fff9e8; }
.map-position[data-status="conflict"] { border-left-color: #b42318; background: #fff0ee; }
.map-position[data-status="blocked"] { border-left-color: #4d5660; background: #e5e8eb; }
.map-position[data-status="switch"] { border-left-color: #28706d; background: #eff8f7; }
.map-position[data-status="restricted"] { border-left-color: #596675; background: #f3f5f7; }

.position-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 6px;
}

.position-label,
.position-miner,
.position-value,
.position-freshness {
    overflow-wrap: anywhere;
}

.position-label { font-size: 12px; }
.position-miner { font-size: 13px; font-weight: 750; }
.position-value { color: #334252; font-size: 12px; }
.position-freshness { color: var(--muted); font-size: 10px; }

.map-inspector-v1 {
    position: sticky;
    top: 12px;
    align-self: start;
    min-width: 0;
    max-height: calc(100vh - 90px);
    overflow-y: auto;
    padding: 16px;
    border-left: 1px solid var(--line);
    background: #fff;
}

.icon-button {
    width: 42px;
    height: 42px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 800;
}

.status-callout {
    padding: 10px;
    border-left: 4px solid #758493;
    background: #f3f5f7;
    font-size: 13px;
    font-weight: 750;
}

.status-callout[data-status="online"] { border-color: var(--good); }
.status-callout[data-status="offline"] { border-color: var(--danger); }
.status-callout[data-status="repair"] { border-color: #6b4ca5; }

.inspector-details {
    grid-template-columns: minmax(92px, auto) minmax(0, 1fr);
    margin-bottom: 18px;
}

.inspector-details dd {
    overflow-wrap: anywhere;
}

.command-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 8px 15px;
    border: 1px solid #1b5f89;
    border-radius: 5px;
    color: #fff;
    background: #176b9a;
    text-decoration: none;
    font-weight: 750;
}

.unplaced-section {
    padding: 14px;
    border-top: 1px solid var(--line);
}

#mapUnplaced,
.legacy-position-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 8px;
}

.legacy-position-entry {
    display: grid;
    gap: 7px;
    padding: 10px;
    border: 1px solid var(--line);
    background: #fff;
}

.legacy-position-path {
    color: var(--muted);
    font-size: 11px;
}

.unplaced-miner {
    display: grid;
    gap: 4px;
    padding: 10px;
    border-left: 4px solid #758493;
    background: #f3f5f7;
    font-size: 12px;
}

@media (max-width: 1180px) {
    .map-control-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .map-filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .mine-map-workspace { grid-template-columns: 1fr; }
    .map-inspector-v1 { position: static; max-height: none; border-top: 1px solid var(--line); border-left: 0; }
}

@media (max-width: 680px) {
    .map-context-head,
    .map-status-band { align-items: flex-start; flex-direction: column; }
    .map-control-grid,
    .map-filter-grid { grid-template-columns: 1fr; }
    .map-viewport-v1 { max-height: none; padding: 9px; }
    .map-shelf { grid-template-columns: 1fr; }
    .shelf-title { position: sticky; left: 0; z-index: 1; }
    .position-grid { grid-template-columns: repeat(2, minmax(130px, 1fr)); overflow-x: auto; }
    .map-inspector-v1 { position: fixed; inset: 0; z-index: 80; max-height: none; overflow-y: auto; }
}

@media (max-width: 420px) {
    .position-grid { grid-template-columns: minmax(150px, 1fr); }
}