:root {
    --ink: #22333b;
    --paper: #f2f4f3;
    --risk: #e63946;
    --aqua: #a8dadc;
    --line: rgba(34, 51, 59, 0.14);
    --muted: rgba(34, 51, 59, 0.62);
    --white: #ffffff;
    --shadow: 0 18px 60px rgba(34, 51, 59, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    color: var(--ink);
    background: var(--paper);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
}

.shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 304px minmax(0, 1fr);
}

.spine {
    min-height: 100vh;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 28px;
    color: var(--paper);
    background:
        linear-gradient(180deg, rgba(168, 218, 220, 0.12), transparent 28%),
        var(--ink);
}

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

.brand img {
    flex: 0 0 auto;
}

.brand strong,
.brand span {
    display: block;
}

.brand strong {
    font-size: 18px;
    line-height: 1.05;
}

.brand span {
    margin-top: 4px;
    color: rgba(242, 244, 243, 0.62);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0;
}

.metricHero {
    padding-top: 22px;
    border-top: 1px solid rgba(242, 244, 243, 0.18);
}

.eyebrow,
.kicker,
.laneKicker {
    display: block;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: 0;
}

.metricHero .eyebrow,
.laneKicker {
    color: rgba(242, 244, 243, 0.6);
}

.metricHero strong {
    display: block;
    margin: 12px 0 8px;
    font-size: clamp(48px, 7vw, 82px);
    line-height: 0.9;
    letter-spacing: 0;
}

.metricHero small {
    display: block;
    max-width: 220px;
    color: rgba(242, 244, 243, 0.68);
    line-height: 1.45;
}

.spineMetrics {
    display: grid;
    gap: 12px;
}

.spineMetrics div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(242, 244, 243, 0.14);
}

.spineMetrics span {
    color: rgba(242, 244, 243, 0.62);
    font-size: 13px;
}

.spineMetrics strong {
    font-size: 24px;
}

.tabs {
    margin-top: auto;
    display: grid;
    gap: 8px;
}

.tab {
    width: 100%;
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid rgba(242, 244, 243, 0.16);
    border-radius: 8px;
    color: rgba(242, 244, 243, 0.74);
    background: transparent;
    text-align: left;
    transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.tab:hover,
.tab.is-active {
    color: var(--ink);
    border-color: var(--aqua);
    background: var(--aqua);
}

.workspace {
    min-width: 0;
    padding: 30px;
}

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

.topbar h1 {
    margin: 8px 0 0;
    font-size: clamp(28px, 4vw, 48px);
    line-height: 0.96;
    letter-spacing: 0;
}

.searchBox {
    width: min(360px, 100%);
}

label {
    display: block;
    margin-bottom: 7px;
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0;
}

input {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 12px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.76);
    outline: none;
}

input:focus {
    border-color: var(--ink);
    box-shadow: 0 0 0 3px rgba(168, 218, 220, 0.52);
}

.screen {
    display: none;
}

.screen.is-visible {
    display: block;
    animation: riseIn 240ms ease both;
}

.quickCreate {
    margin-bottom: 18px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.54);
}

.quickCreate form {
    display: grid;
    grid-template-columns: minmax(220px, 1.3fr) minmax(160px, 0.8fr) 116px 112px;
    gap: 12px;
    align-items: end;
}

.quickCreate button {
    min-height: 42px;
    border: 0;
    border-radius: 8px;
    color: var(--paper);
    background: var(--ink);
}

.board {
    display: grid;
    grid-template-columns: repeat(4, minmax(190px, 1fr));
    gap: 14px;
    align-items: start;
}

.lane {
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.64);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.lane header {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 14px;
    color: var(--paper);
    background: var(--ink);
}

.lane h2 {
    margin: 4px 0 0;
    font-size: 20px;
    line-height: 1.05;
}

.laneCount {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    color: var(--ink);
    background: var(--aqua);
}

.laneItems {
    display: grid;
    gap: 10px;
    padding: 10px;
}

.queueItem {
    padding: 13px;
    border: 1px solid rgba(34, 51, 59, 0.12);
    border-radius: 8px;
    background: var(--white);
    transition: transform 150ms ease, border-color 150ms ease;
}

.queueItem:hover {
    transform: translateY(-2px);
    border-color: rgba(34, 51, 59, 0.32);
}

.itemTop {
    display: flex;
    align-items: start;
    gap: 8px;
}

.riskDot {
    width: 9px;
    height: 9px;
    margin-top: 5px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--aqua);
}

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

.riskDot.risk.medium {
    background: #e8b44f;
}

.riskDot.risk.low {
    background: #6aa86f;
}

.itemTitle {
    min-width: 0;
    font-size: 15px;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.itemMeta {
    margin: 9px 0 12px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.itemFooter,
.itemActions {
    display: flex;
    gap: 7px;
    flex-wrap: wrap;
}

.itemFooter span {
    padding: 5px 8px;
    border-radius: 999px;
    color: var(--ink);
    background: rgba(168, 218, 220, 0.44);
    font-size: 12px;
    line-height: 1;
}

.itemActions {
    margin-top: 11px;
}

.itemActions button {
    min-height: 28px;
    border: 1px solid var(--line);
    border-radius: 7px;
    color: var(--ink);
    background: transparent;
    font-size: 12px;
}

.itemActions button:hover {
    border-color: var(--ink);
}

.itemActions button:disabled {
    cursor: default;
    color: rgba(34, 51, 59, 0.42);
    background: rgba(34, 51, 59, 0.06);
}

.emptyLane,
.errorState {
    margin: 0;
    padding: 18px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.4;
}

.errorState {
    border: 1px solid rgba(230, 57, 70, 0.34);
    border-radius: 8px;
    color: var(--risk);
    background: rgba(230, 57, 70, 0.06);
}

.errorState strong,
.errorState span {
    display: block;
}

.sectionHead {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: end;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 14px;
}

.sectionHead h2 {
    margin: 0;
    font-size: 30px;
    line-height: 1;
}

.sectionHead span {
    max-width: 420px;
    color: var(--muted);
    line-height: 1.4;
}

.timeline,
.workflowGrid,
.teamList {
    display: grid;
    gap: 10px;
}

.timelineRow,
.settingRow,
.teamRow {
    display: grid;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.7);
}

.timelineRow {
    grid-template-columns: 96px minmax(160px, 1fr) minmax(220px, 1.4fr) 150px;
    align-items: center;
}

.timelineRow span,
.settingRow span,
.teamRow span {
    color: var(--muted);
    font-size: 13px;
}

.timelineRow p,
.teamRow p {
    margin: 0;
    color: var(--muted);
}

.timelineRow time {
    color: var(--muted);
    font-size: 12px;
    text-align: right;
}

.workflowGrid {
    grid-template-columns: repeat(2, minmax(220px, 1fr));
}

.settingRow strong {
    font-size: 18px;
    line-height: 1.2;
}

.teamRow {
    grid-template-columns: minmax(180px, 0.8fr) minmax(120px, 220px) minmax(220px, 1fr);
    align-items: center;
}

.teamRow strong,
.teamRow span {
    display: block;
}

meter {
    width: 100%;
    height: 12px;
}

@keyframes riseIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1080px) {
    .shell {
        grid-template-columns: 1fr;
    }

    .spine {
        min-height: auto;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .tabs {
        grid-column: 1 / -1;
        grid-template-columns: repeat(4, 1fr);
    }

    .board {
        grid-template-columns: repeat(2, minmax(220px, 1fr));
    }
}

@media (max-width: 760px) {
    .workspace,
    .spine {
        padding: 18px;
    }

    .spine,
    .topbar,
    .sectionHead {
        display: block;
    }

    .spineMetrics {
        margin: 18px 0;
    }

    .tabs {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .topbar h1 {
        margin-bottom: 18px;
    }

    .quickCreate form,
    .board,
    .workflowGrid,
    .timelineRow,
    .teamRow {
        grid-template-columns: 1fr;
    }

    .timelineRow time {
        text-align: left;
    }
}