:root {
    --ink: #22333b;
    --paper: #f2f4f3;
    --signal: #e63946;
    --aqua: #a8dadc;
    --white: #ffffff;
    --muted: #647076;
    --line: rgba(34, 51, 59, 0.14);
    --shadow: 0 18px 50px rgba(34, 51, 59, 0.12);
}

* {
    box-sizing: border-box;
}

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

body {
    min-height: 100%;
    margin: 0;
    background:
        linear-gradient(90deg, rgba(168, 218, 220, 0.18), transparent 44%),
        var(--paper);
}

button,
input,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

.app-shell {
    display: grid;
    grid-template-columns: 284px minmax(0, 1fr);
    min-height: 100svh;
}

.brand-rail {
    display: flex;
    flex-direction: column;
    gap: 34px;
    min-height: 100svh;
    padding: 28px 24px;
    background: var(--ink);
    color: var(--paper);
}

.brand-lockup {
    display: grid;
    grid-template-columns: 42px 1fr;
    align-items: center;
    gap: 12px;
    color: inherit;
    text-decoration: none;
}

.brand-lockup strong,
.topbar h1,
.section-title h2 {
    letter-spacing: 0;
}

.brand-lockup strong {
    display: block;
    font-size: 1.05rem;
    line-height: 1.1;
}

.brand-lockup small {
    display: block;
    color: rgba(242, 244, 243, 0.62);
    font-size: 0.74rem;
    margin-top: 3px;
}

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

.tab {
    width: 100%;
    min-height: 42px;
    border: 1px solid rgba(242, 244, 243, 0.12);
    border-radius: 8px;
    background: transparent;
    color: rgba(242, 244, 243, 0.72);
    text-align: left;
    padding: 9px 12px;
    transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.tab:hover,
.tab.is-active {
    background: rgba(168, 218, 220, 0.16);
    color: var(--white);
}

.tab:hover {
    transform: translateX(2px);
}

.metric-spine {
    display: grid;
    gap: 14px;
    margin-top: auto;
}

.metric-feature {
    padding: 18px;
    border: 1px solid rgba(168, 218, 220, 0.35);
    border-radius: 8px;
    background: rgba(242, 244, 243, 0.06);
}

.metric-feature span,
.metric-line span,
.panel-head span,
.eyebrow {
    color: rgba(242, 244, 243, 0.64);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.metric-feature strong {
    display: block;
    color: var(--aqua);
    font-size: clamp(2.2rem, 7vw, 4.2rem);
    line-height: 0.95;
    margin: 12px 0 8px;
}

.metric-feature small {
    color: rgba(242, 244, 243, 0.68);
    line-height: 1.45;
}

.metric-line {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    border-bottom: 1px solid rgba(242, 244, 243, 0.12);
    padding-bottom: 12px;
}

.metric-line strong {
    color: var(--white);
    font-size: 1.3rem;
}

.workspace {
    min-width: 0;
    padding: 28px;
}

.topbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 22px;
    margin-bottom: 28px;
}

.eyebrow {
    color: var(--signal);
    margin: 0 0 8px;
    font-weight: 750;
}

.topbar h1 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 4.2rem);
    line-height: 0.96;
    max-width: 780px;
}

.search-wrap {
    display: grid;
    grid-template-columns: minmax(190px, 320px) 44px;
    gap: 8px;
    align-items: center;
}

.search-wrap input,
.quick-form input,
.quick-form textarea,
.quick-form select,
.action-form input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.78);
    color: var(--ink);
    padding: 11px 12px;
    outline: none;
    transition: border 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.search-wrap input:focus,
.quick-form input:focus,
.quick-form textarea:focus,
.quick-form select:focus,
.action-form input:focus {
    border-color: var(--aqua);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(168, 218, 220, 0.38);
}

.icon-button {
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 8px;
    background: var(--ink);
    color: var(--paper);
    font-size: 1.25rem;
}

.screen {
    display: none;
    animation: enter 260ms ease both;
}

.screen.is-active {
    display: block;
}

#queueScreen.is-active {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: start;
    gap: 22px;
}

.board {
    display: grid;
    grid-template-columns: repeat(4, minmax(220px, 1fr));
    gap: 14px;
    min-width: 0;
    overflow-x: auto;
    padding-bottom: 4px;
}

.lane {
    min-width: 220px;
    border-left: 3px solid var(--lane-accent);
    padding-left: 12px;
}

.lane-head {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4px 10px;
    align-items: baseline;
    min-height: 72px;
    padding: 7px 0 14px;
    border-bottom: 1px solid var(--line);
}

.lane-head span {
    font-weight: 800;
    font-size: 1.05rem;
}

.lane-head strong {
    color: var(--signal);
    font-size: 1.4rem;
}

.lane-head small {
    grid-column: 1 / -1;
    color: var(--muted);
}

.lane-items {
    display: grid;
    gap: 10px;
    padding-top: 12px;
}

.work-item,
.quick-panel,
.timeline-row,
.workflow-step,
.team-person {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.82);
}

.work-item {
    display: grid;
    gap: 10px;
    min-height: 186px;
    padding: 14px;
    transition: transform 160ms ease, border 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.work-item:hover,
.work-item.is-selected {
    transform: translateY(-2px);
    border-color: rgba(230, 57, 70, 0.36);
    box-shadow: var(--shadow);
    background: var(--white);
}

.item-topline,
.item-meta,
.item-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.item-topline strong {
    font-size: 0.8rem;
    color: var(--signal);
}

.priority,
.done {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    min-height: 24px;
    border-radius: 999px;
    background: rgba(168, 218, 220, 0.34);
    color: var(--ink);
    font-size: 0.75rem;
    font-weight: 800;
}

.work-item h3 {
    margin: 0;
    font-size: 1rem;
    line-height: 1.25;
}

.work-item p {
    min-height: 42px;
    margin: 0;
    color: var(--muted);
    line-height: 1.45;
    font-size: 0.88rem;
}

.item-meta {
    color: var(--muted);
    font-size: 0.76rem;
}

.item-foot {
    border-top: 1px solid var(--line);
    padding-top: 10px;
    color: var(--muted);
    font-size: 0.8rem;
}

.item-foot button,
.primary-button,
.action-form button {
    border: 0;
    border-radius: 8px;
    background: var(--signal);
    color: var(--white);
    font-weight: 800;
    padding: 9px 11px;
    transition: transform 160ms ease, filter 160ms ease;
}

.item-foot button:hover,
.primary-button:hover,
.action-form button:hover {
    transform: translateY(-1px);
    filter: saturate(1.08);
}

.quick-panel {
    position: sticky;
    top: 24px;
    display: grid;
    gap: 18px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 20px 70px rgba(34, 51, 59, 0.1);
}

.panel-head {
    display: grid;
    gap: 4px;
}

.panel-head span {
    color: var(--signal);
    font-weight: 800;
}

.panel-head strong {
    font-size: 1.35rem;
}

.quick-form,
.action-form {
    display: grid;
    gap: 12px;
}

.quick-form label {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 750;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.selected-item {
    border-top: 1px solid var(--line);
    padding-top: 16px;
}

.selected-item span {
    color: var(--signal);
    font-size: 0.75rem;
    font-weight: 850;
    text-transform: uppercase;
}

.selected-item h3 {
    margin: 7px 0 4px;
}

.selected-item p {
    color: var(--muted);
    line-height: 1.45;
}

.selected-item dl {
    display: grid;
    gap: 7px;
    margin: 14px 0;
}

.selected-item dl div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.selected-item dt {
    color: var(--muted);
}

.selected-item dd {
    margin: 0;
    text-align: right;
    font-weight: 800;
}

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

.section-title h2 {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 3.2rem);
    line-height: 1;
}

.section-title p {
    max-width: 420px;
    margin: 0;
    color: var(--muted);
    line-height: 1.45;
}

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

.timeline-row {
    display: grid;
    grid-template-columns: 116px minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
    padding: 14px 16px;
}

.timeline-row time,
.timeline-row small,
.timeline-row span {
    color: var(--muted);
    font-size: 0.82rem;
}

.timeline-row p {
    margin: 3px 0;
}

.workflow-grid,
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(190px, 1fr));
    gap: 12px;
}

.workflow-step {
    border-top: 4px solid var(--lane-accent);
    padding: 16px;
}

.workflow-step span {
    color: var(--signal);
    font-weight: 900;
}

.workflow-step h3,
.team-person strong {
    margin: 8px 0;
    display: block;
}

.workflow-step p,
.team-person p {
    margin: 0;
    color: var(--muted);
    line-height: 1.45;
}

.team-person {
    display: grid;
    gap: 12px;
    padding: 16px;
}

.team-person div {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: baseline;
}

.team-person span,
.team-person small {
    color: var(--muted);
}

meter {
    width: 100%;
    height: 10px;
}

.empty-lane,
.empty-state {
    border: 1px dashed var(--line);
    border-radius: 8px;
    color: var(--muted);
    padding: 16px;
}

.toast {
    position: fixed;
    right: 24px;
    bottom: 24px;
    max-width: min(360px, calc(100vw - 32px));
    border-radius: 8px;
    background: var(--ink);
    color: var(--paper);
    padding: 12px 14px;
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}

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

@media (max-width: 1420px) {
    #queueScreen.is-active {
        grid-template-columns: 1fr;
    }

    .quick-panel {
        position: static;
    }
}

@media (max-width: 1180px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .brand-rail {
        min-height: auto;
        display: grid;
        grid-template-columns: 220px 1fr;
        padding: 18px;
    }

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

    .metric-spine {
        grid-column: 1 / -1;
        grid-template-columns: repeat(5, minmax(130px, 1fr));
        margin-top: 0;
    }

    .metric-feature {
        padding: 14px;
    }

    .metric-feature strong {
        font-size: 2.2rem;
    }

    .metric-line {
        display: grid;
        align-content: center;
        border-bottom: 0;
        border-left: 1px solid rgba(242, 244, 243, 0.12);
        padding: 0 0 0 12px;
    }

    .workflow-grid,
    .team-grid {
        grid-template-columns: repeat(2, minmax(190px, 1fr));
    }
}

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

    .brand-rail {
        grid-template-columns: 1fr;
        gap: 18px;
    }

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

    .metric-spine,
    .workflow-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }

    .metric-line {
        border-left: 0;
        border-bottom: 1px solid rgba(242, 244, 243, 0.12);
        padding: 0 0 10px;
    }

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

    .search-wrap {
        grid-template-columns: minmax(0, 1fr) 44px;
    }

    .board {
        grid-template-columns: minmax(260px, 1fr);
        overflow: visible;
    }

    .lane {
        min-width: 0;
    }

    .form-row,
    .timeline-row {
        grid-template-columns: 1fr;
    }

    .timeline-row {
        gap: 8px;
    }
}