:root {
    --bg: #f4f6f8;
    --surface: #ffffff;
    --ink: #17202a;
    --muted: #607080;
    --line: #d8e0e7;
    --accent: #176b5d;
    --accent-dark: #0e5146;
    --warn: #fff4d6;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--bg);
    font: 15px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.topbar {
    background: #263238;
    color: white;
    padding: 22px clamp(16px, 4vw, 42px);
}

.topbar h1 {
    margin: 0;
    font-size: 24px;
}

.topbar p {
    margin: 4px 0 0;
    color: #c8d3da;
}

.tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding: 10px clamp(12px, 4vw, 42px);
    background: #ffffff;
    border-bottom: 1px solid var(--line);
}

.tabs a,
.side-nav a {
    color: var(--ink);
    text-decoration: none;
    padding: 9px 12px;
    border-radius: 6px;
    white-space: nowrap;
}

.tabs a.active,
.side-nav a.active {
    color: white;
    background: var(--accent);
}

.page {
    width: min(1440px, 100%);
    margin: 0 auto;
    padding: 22px clamp(12px, 4vw, 42px) 48px;
}

.layout {
    display: grid;
    gap: 18px;
}

.layout > *,
.stack > *,
.panel {
    min-width: 0;
}

.two-column {
    grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
    align-items: start;
}

.queue-layout {
    grid-template-columns: minmax(260px, 340px) 1fr;
    align-items: start;
}

.stack {
    display: grid;
    gap: 18px;
}

.panel,
.empty-state,
.room-header,
.metric-grid div,
.task-card,
.side-nav {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.panel,
.empty-state,
.room-header,
.side-nav {
    padding: 18px;
}

h2,
h3 {
    margin: 0 0 12px;
}

.side-nav {
    display: grid;
    gap: 6px;
}

.side-nav h2 {
    font-size: 16px;
}

.toolbar,
.event-form {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: end;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.form-grid.compact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-grid.single-column {
    grid-template-columns: 1fr;
}

label {
    display: grid;
    gap: 5px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 650;
}

.wide,
.check {
    grid-column: 1 / -1;
}

input,
select,
textarea,
button {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 9px 10px;
    font: inherit;
}

textarea {
    resize: vertical;
}

button {
    width: auto;
    color: white;
    background: var(--accent);
    border-color: var(--accent);
    cursor: pointer;
    font-weight: 700;
}

button:hover {
    background: var(--accent-dark);
}

.danger-button {
    background: #9f2f2f;
    border-color: #9f2f2f;
}

.danger-button:hover {
    background: #7d2323;
}

.button-row,
.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    color: white;
    background: var(--accent);
    text-decoration: none;
    border: 1px solid var(--accent);
    border-radius: 6px;
    padding: 9px 10px;
    font-weight: 700;
}

.button-secondary:hover {
    color: white;
    background: var(--accent-dark);
    border-color: var(--accent-dark);
}

.link-button {
    color: var(--accent);
    background: transparent;
    border: 0;
    padding: 0;
}

td form {
    display: inline;
    margin-left: 10px;
}

.check {
    display: flex;
    align-items: center;
}

.check input {
    width: auto;
}

.table-wrap {
    max-width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--muted);
    font-size: 12px;
    text-transform: uppercase;
}

td small {
    display: block;
    color: var(--muted);
}

.warning {
    background: var(--warn);
}

.muted {
    color: var(--muted);
}

.room-header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin: 18px 0;
}

.room-header p {
    margin: 0;
    color: var(--muted);
}

.unit-workflow-layout {
    display: grid;
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    gap: 18px;
    margin-top: 18px;
    align-items: start;
}

.unit-workflow {
    margin-top: 18px;
}

.unit-actions {
    display: grid;
    gap: 18px;
}

.unit-action-form[hidden] {
    display: none;
}

.unit-actions form {
    padding-top: 14px;
    border-top: 1px solid var(--line);
}

.delivery-form {
    display: grid;
    gap: 12px;
}

.delivery-items {
    display: grid;
    gap: 10px;
}

.delivery-item-row {
    display: grid;
    grid-template-columns: minmax(160px, 1.35fr) minmax(150px, 1fr) minmax(100px, 0.65fr) auto;
    gap: 10px;
    align-items: end;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fbfcfd;
}

.delivery-item-row .button-secondary {
    min-height: 41px;
}

button:disabled,
input:disabled,
select:disabled {
    cursor: not-allowed;
    opacity: 0.62;
}

.room-header span,
.section-head span,
.status {
    align-self: start;
    border-radius: 999px;
    padding: 5px 10px;
    background: #edf2f5;
    color: #3a4854;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
}

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

.metric-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.metric-grid div {
    padding: 16px;
}

.metric-grid span {
    display: block;
    font-size: 28px;
    font-weight: 800;
}

.metric-grid p {
    margin: 0;
    color: var(--muted);
}

.task-list {
    display: grid;
    gap: 12px;
}

.call-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.task-card {
    padding: 14px;
}

.queue-card {
    display: grid;
    gap: 12px;
}

.task-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.task-head p {
    margin: 0;
    color: var(--muted);
}

.status.open,
.status.acknowledged,
.status.new {
    background: #e8f2ff;
    color: #194f89;
}

.status.in_progress,
.status.on_hold {
    background: #fff4d6;
    color: #8a5b00;
}

.status.completed,
.status.closed {
    background: #e4f5ec;
    color: #176b3b;
}

.status.cancelled {
    background: #f8e1e1;
    color: #852626;
}

.call-notes {
    margin: 0;
}

.events {
    margin: 12px 0 0;
    padding-left: 20px;
    color: var(--muted);
}

.events span {
    font-size: 12px;
}

.compact-events {
    margin-top: 0;
}

@media (max-width: 900px) {
    .two-column,
    .queue-layout,
    .unit-workflow-layout,
    .form-grid,
    .form-grid.compact,
    .metric-grid,
    .call-grid {
        grid-template-columns: 1fr;
    }

    .event-form > * {
        flex: 1 1 100%;
    }

    .delivery-item-row {
        grid-template-columns: 1fr;
    }

    .delivery-item-row .button-secondary {
        width: 100%;
    }
}