:root {
    --ink: #2b2d42;
    --paper: #edf2f4;
    --accent: #ef233c;
    --steel: #8d99ae;
    --line: rgba(43, 45, 66, 0.16);
    --muted: rgba(43, 45, 66, 0.68);
    --green: #2f9e75;
    --amber: #c8892d;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--paper);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--ink);
    background:
        linear-gradient(90deg, rgba(43, 45, 66, 0.05) 1px, transparent 1px),
        linear-gradient(0deg, rgba(43, 45, 66, 0.05) 1px, transparent 1px),
        var(--paper);
    background-size: 28px 28px;
    font-family: Inter, Arial, Helvetica, sans-serif;
    letter-spacing: 0;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

.app-shell {
    display: grid;
    grid-template-columns: 116px minmax(0, 1fr);
    min-height: 100vh;
}

.rail {
    position: sticky;
    top: 0;
    display: flex;
    flex-direction: column;
    gap: 28px;
    height: 100vh;
    padding: 18px 14px;
    color: var(--paper);
    background: var(--ink);
}

.brand {
    display: grid;
    gap: 10px;
    color: var(--paper);
    text-decoration: none;
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 12px;
    line-height: 1.1;
    text-transform: uppercase;
}

.brand img {
    width: 44px;
    height: 44px;
}

.nav {
    display: grid;
    gap: 8px;
}

.nav-btn {
    min-height: 42px;
    padding: 8px 6px;
    border: 1px solid rgba(237, 242, 244, 0.18);
    border-radius: 6px;
    color: var(--paper);
    background: transparent;
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 11px;
    text-align: left;
    transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.nav-btn:hover,
.nav-btn.is-active {
    border-color: var(--accent);
    background: rgba(239, 35, 60, 0.18);
    transform: translateX(2px);
}

.rail-note {
    margin-top: auto;
    display: grid;
    gap: 6px;
    padding-top: 18px;
    border-top: 1px solid rgba(237, 242, 244, 0.2);
}

.mono,
.eyebrow {
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    letter-spacing: 0;
    text-transform: uppercase;
}

.rail-note .mono {
    color: rgba(237, 242, 244, 0.65);
    font-size: 10px;
}

.rail-note strong {
    font-size: 24px;
}

.workspace {
    min-width: 0;
    padding: 22px;
}

.topbar {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 16px;
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--muted);
    font-size: 11px;
}

h1,
h2,
h3,
h4,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 0;
    font-size: clamp(28px, 4vw, 54px);
    line-height: 0.98;
}

.search {
    display: grid;
    gap: 6px;
    width: min(360px, 42vw);
}

.search label {
    color: var(--muted);
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 11px;
    text-transform: uppercase;
}

.search input {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.78);
    outline: none;
}

.search input:focus {
    border-color: var(--accent);
}

.alert-strip {
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 46px;
    margin-bottom: 16px;
    padding: 9px 14px;
    border-left: 5px solid var(--accent);
    color: var(--paper);
    background: var(--ink);
}

.alert-strip strong {
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 12px;
    text-transform: uppercase;
}

.alert-strip span {
    color: rgba(237, 242, 244, 0.82);
}

.metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    margin-bottom: 18px;
    border: 1px solid var(--line);
    background: var(--line);
}

.metrics div {
    min-width: 0;
    padding: 14px;
    background: rgba(255, 255, 255, 0.76);
}

.metrics span {
    display: block;
    color: var(--muted);
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 11px;
    text-transform: uppercase;
}

.metrics strong {
    display: block;
    margin-top: 5px;
    font-size: 28px;
    line-height: 1;
}

.canvas {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 18px;
    align-items: start;
}

.map-panel,
.inspector {
    min-width: 0;
}

.panel-head {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 12px;
}

.panel-head h2,
.inspector h2 {
    margin-bottom: 0;
    font-size: 18px;
}

.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--muted);
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 11px;
}

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

.risk {
    width: 10px;
    height: 10px;
    display: inline-block;
    border-radius: 50%;
}

.risk.high {
    background: var(--accent);
}

.risk.medium {
    background: var(--amber);
}

.risk.low {
    background: var(--green);
}

.grid-map {
    display: grid;
    grid-template-columns: repeat(3, minmax(210px, 1fr));
    gap: 12px;
    min-height: 490px;
}

.zone-lane {
    min-width: 0;
    padding: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.62);
}

.zone-lane h3 {
    margin-bottom: 12px;
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 12px;
    text-transform: uppercase;
}

.task-node {
    position: relative;
    display: grid;
    gap: 7px;
    margin-bottom: 10px;
    padding: 12px;
    border: 1px solid var(--line);
    border-left-width: 5px;
    border-radius: 6px;
    background: var(--white);
    transition: transform 160ms ease, box-shadow 160ms ease;
}

.task-node:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 34px rgba(43, 45, 66, 0.1);
}

.task-node.risk-high {
    border-left-color: var(--accent);
}

.task-node.risk-medium {
    border-left-color: var(--amber);
}

.task-node.risk-low {
    border-left-color: var(--green);
}

.node-status,
.task-node small {
    color: var(--muted);
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 11px;
}

.task-node h4 {
    margin-bottom: 0;
    font-size: 16px;
    line-height: 1.2;
}

.task-node p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 13px;
}

.node-action,
.import-button,
.row-actions button {
    min-height: 34px;
    border: 0;
    border-radius: 6px;
    padding: 8px 10px;
    color: var(--paper);
    background: var(--ink);
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 11px;
    text-transform: uppercase;
}

.node-action:disabled {
    opacity: 0.48;
    cursor: default;
}

.inspector {
    display: grid;
    gap: 16px;
}

.inspector-block {
    padding: 14px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.68);
}

.event-feed,
.capacity-list {
    display: grid;
    gap: 9px;
    margin-top: 12px;
}

.event-row {
    display: grid;
    gap: 3px;
    padding-left: 10px;
    border-left: 4px solid var(--steel);
}

.event-row.alert {
    border-left-color: var(--accent);
}

.event-row.notice {
    border-left-color: var(--amber);
}

.event-row strong {
    font-size: 13px;
}

.event-row small,
.event-date {
    color: var(--muted);
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 10px;
}

.capacity-row {
    display: grid;
    grid-template-columns: 74px minmax(80px, 1fr) 92px;
    gap: 8px;
    align-items: center;
    color: var(--muted);
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 10px;
}

.capacity-row i {
    display: block;
    height: 8px;
    background: var(--accent);
}

.capacity-row strong {
    color: var(--ink);
    font-weight: 600;
}

.analytics-row {
    display: grid;
    grid-template-columns: minmax(160px, 1.3fr) minmax(110px, 0.9fr) 120px 80px minmax(210px, 1fr);
    gap: 10px;
    align-items: center;
    min-height: 58px;
    padding: 12px;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.7);
}

.subscription,
.risk-label {
    display: inline-flex;
    width: fit-content;
    min-height: 24px;
    align-items: center;
    border-radius: 999px;
    padding: 4px 9px;
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 11px;
}

.subscription.active,
.risk-label.low {
    color: #0f684b;
    background: rgba(47, 158, 117, 0.15);
}

.subscription.paused,
.risk-label.medium {
    color: #855813;
    background: rgba(200, 137, 45, 0.18);
}

.subscription.at_risk,
.risk-label.high {
    color: #a31024;
    background: rgba(239, 35, 60, 0.14);
}

.row-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.row-actions button {
    background: var(--steel);
}

.status-table {
    display: grid;
    grid-template-columns: 1fr 1.4fr 0.8fr 0.7fr 0.5fr;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.7);
}

.status-table > * {
    min-width: 0;
    padding: 10px;
    border-bottom: 1px solid var(--line);
    overflow-wrap: anywhere;
}

.status-table strong {
    color: var(--paper);
    background: var(--ink);
    font-family: "Roboto Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 11px;
    text-transform: uppercase;
}

.import-pane,
.empty-state {
    max-width: 720px;
    padding: 24px;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.74);
}

.import-pane h3 {
    font-size: 26px;
}

.import-pane p {
    max-width: 58ch;
    color: var(--muted);
    line-height: 1.55;
}

.import-button {
    min-height: 42px;
    margin-top: 8px;
    background: var(--accent);
}

@media (max-width: 1040px) {
    .canvas {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 760px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .rail {
        position: static;
        height: auto;
        flex-direction: row;
        align-items: center;
        overflow-x: auto;
    }

    .brand {
        display: flex;
        align-items: center;
        min-width: 138px;
    }

    .nav {
        grid-auto-flow: column;
        grid-auto-columns: max-content;
    }

    .nav-btn {
        min-width: 82px;
        text-align: center;
    }

    .rail-note {
        display: none;
    }

    .workspace {
        padding: 14px;
    }

    .topbar {
        display: grid;
        align-items: start;
    }

    .search {
        width: 100%;
    }

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

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

    .alert-strip {
        align-items: flex-start;
        flex-direction: column;
        gap: 5px;
    }

    .analytics-row,
    .status-table {
        grid-template-columns: 1fr;
    }

    .status-table strong:nth-child(n+2):nth-child(-n+5) {
        display: none;
    }
}