:root {
    --ink: #0d1b2a;
    --paper: #f5ebe0;
    --steel: #778da9;
    --amber: #e0a458;
    --line: rgba(13, 27, 42, 0.18);
    --green: #24745a;
    --red: #a94438;
    --white: #fffaf4;
    --shadow: 0 18px 44px rgba(13, 27, 42, 0.16);
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    min-height: 100%;
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        linear-gradient(rgba(13, 27, 42, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(13, 27, 42, 0.04) 1px, transparent 1px),
        var(--paper);
    background-size: 24px 24px;
}

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

button {
    cursor: pointer;
}

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

.side-rail {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 18px;
    color: var(--paper);
    background: var(--ink);
    border-right: 6px solid var(--amber);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.brand {
    display: grid;
    grid-template-columns: 42px 1fr;
    align-items: center;
    gap: 10px;
    color: var(--paper);
    text-decoration: none;
    font-weight: 800;
    letter-spacing: 0;
}

.brand img {
    width: 42px;
    height: 42px;
}

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

.nav-button,
.icon-button,
.ticket-actions button,
.log-form button,
.primary-action {
    min-height: 40px;
    border: 1px solid rgba(245, 235, 224, 0.22);
    border-radius: 6px;
    color: inherit;
    background: rgba(245, 235, 224, 0.08);
    box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.18);
    transition: transform 140ms ease, background 140ms ease, box-shadow 140ms ease;
}

.nav-button:hover,
.icon-button:hover,
.ticket-actions button:hover,
.log-form button:hover,
.primary-action:hover {
    transform: translateY(-1px);
}

.nav-button.active {
    color: var(--ink);
    background: var(--amber);
    border-color: var(--amber);
}

.rail-meter {
    margin-top: auto;
    padding: 14px;
    border: 1px solid rgba(245, 235, 224, 0.24);
    border-radius: 8px;
    background: rgba(245, 235, 224, 0.08);
}

.rail-meter span,
.metric span,
.eyebrow {
    display: block;
    font-size: 11px;
    line-height: 1.2;
    text-transform: uppercase;
    color: var(--steel);
    font-weight: 800;
}

.rail-meter strong {
    display: block;
    margin-top: 8px;
    font-size: 42px;
}

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

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 18px;
}

.topbar h1 {
    margin: 4px 0 0;
    max-width: 860px;
    font-size: clamp(24px, 3vw, 42px);
    line-height: 1.03;
    letter-spacing: 0;
}

.top-actions {
    display: flex;
    align-items: end;
    gap: 8px;
}

.search-box {
    display: grid;
    gap: 5px;
    min-width: 260px;
    font-size: 12px;
    color: rgba(13, 27, 42, 0.7);
    font-weight: 800;
}

.search-box input,
.quick-panel input,
.quick-panel select,
.quick-panel textarea,
.log-form textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 10px 11px;
    color: var(--ink);
    background: var(--white);
    outline-color: var(--amber);
}

.icon-button {
    width: 44px;
    color: var(--paper);
    background: var(--ink);
}

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

.metric {
    min-height: 82px;
    padding: 14px;
    background: rgba(255, 250, 244, 0.86);
}

.metric strong {
    display: block;
    margin-top: 8px;
    font-size: clamp(24px, 3vw, 36px);
    letter-spacing: 0;
}

.screen {
    display: none;
}

.screen.active {
    display: block;
    animation: rise 180ms ease-out;
}

.board-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 16px;
}

.kanban {
    display: grid;
    grid-template-columns: repeat(5, minmax(150px, 1fr));
    gap: 10px;
    align-items: start;
    overflow-x: auto;
    padding-bottom: 8px;
}

.kanban-column {
    min-width: 150px;
    border: 1px solid var(--line);
    background: rgba(255, 250, 244, 0.94);
}

.kanban-column header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 46px;
    padding: 10px;
    color: var(--paper);
    background: var(--ink);
}

.kanban-column h2,
.quick-panel h2,
.section-head h2,
.timeline-panel h2,
.detail-panel h2 {
    margin: 0;
    font-size: 17px;
    line-height: 1.15;
    letter-spacing: 0;
}

.kanban-column header span {
    display: grid;
    place-items: center;
    min-width: 28px;
    min-height: 28px;
    border-radius: 999px;
    color: var(--ink);
    background: var(--amber);
    font-weight: 900;
}

.column-track {
    display: grid;
    gap: 8px;
    padding: 7px;
}

.ticket-card {
    padding: 9px;
    border: 1px solid rgba(13, 27, 42, 0.2);
    border-radius: 8px;
    background: var(--white);
    box-shadow: inset 0 0 0 2px rgba(119, 141, 169, 0.08);
    transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.ticket-card:hover,
.ticket-card.selected {
    transform: translateY(-2px);
    border-color: var(--amber);
    box-shadow: var(--shadow);
}

.ticket-top,
.ticket-meta,
.ticket-actions,
.form-row {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: space-between;
}

.priority,
.score,
.panel-code {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 0 8px;
    border-radius: 5px;
    color: var(--paper);
    background: var(--ink);
    font-size: 12px;
    font-weight: 900;
}

.score,
.panel-code {
    color: var(--ink);
    background: var(--amber);
}

.ticket-card h3 {
    margin: 10px 0 5px;
    font-size: 14px;
    line-height: 1.22;
}

.ticket-card p,
.section-head p,
.detail-panel p,
.calendar-row p,
.ticket-meta {
    margin: 0;
    color: rgba(13, 27, 42, 0.68);
    font-size: 13px;
    line-height: 1.35;
}

.ticket-meta {
    margin-top: 10px;
    display: grid;
    grid-template-columns: 1fr;
    align-items: flex-start;
    justify-content: start;
}

.sla-bar {
    margin: 10px 0;
    min-height: 26px;
    display: flex;
    align-items: center;
    padding: 0 8px;
    border-left: 5px solid var(--green);
    background: rgba(36, 116, 90, 0.12);
    font-size: 12px;
    font-weight: 800;
}

.sla-bar.late {
    border-left-color: var(--red);
    background: rgba(169, 68, 56, 0.12);
}

.ticket-actions {
    justify-content: flex-end;
}

.ticket-actions button {
    width: 34px;
    min-height: 34px;
    color: var(--ink);
    background: rgba(224, 164, 88, 0.2);
    border-color: rgba(13, 27, 42, 0.18);
}

.empty-column {
    min-height: 74px;
    display: grid;
    place-items: center;
    border: 1px dashed var(--line);
    color: rgba(13, 27, 42, 0.5);
    font-size: 13px;
}

.quick-panel,
.detail-panel,
.timeline-panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
}

.quick-panel {
    padding: 14px;
    position: sticky;
    top: 18px;
}

.panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 14px;
}

.quick-panel form,
.log-form {
    display: grid;
    gap: 10px;
}

.quick-panel label {
    display: grid;
    gap: 5px;
    font-size: 12px;
    font-weight: 800;
    color: rgba(13, 27, 42, 0.7);
}

.primary-action,
.log-form button {
    color: var(--paper);
    background: var(--ink);
}

.detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: 16px;
}

.detail-panel,
.timeline-panel {
    padding: 16px;
}

.detail-kicker {
    margin-bottom: 8px;
    color: var(--amber);
    font-weight: 900;
    text-transform: uppercase;
    font-size: 12px;
}

.detail-client {
    margin: 8px 0 14px !important;
}

.detail-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    margin: 16px 0;
    background: var(--line);
}

.detail-list div {
    padding: 12px;
    background: var(--white);
}

.detail-list dt {
    margin-bottom: 6px;
    color: var(--steel);
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 900;
}

.detail-list dd {
    margin: 0;
    font-weight: 800;
}

.booking-strip,
.invoice-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.booking-strip span,
.invoice-strip span {
    padding: 7px 9px;
    border-radius: 5px;
    color: var(--ink);
    background: rgba(119, 141, 169, 0.18);
    font-size: 12px;
    font-weight: 800;
}

.log-list {
    display: grid;
    gap: 9px;
    margin: 14px 0;
    max-height: 430px;
    overflow: auto;
}

.log-item {
    padding: 10px;
    border-left: 4px solid var(--amber);
    background: var(--white);
}

.log-item strong,
.log-item span {
    display: block;
    font-size: 12px;
}

.log-item span {
    color: var(--steel);
}

.log-item p {
    margin: 7px 0 0;
    font-size: 13px;
    line-height: 1.4;
}

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

.calendar-list,
.report-list {
    display: grid;
    gap: 8px;
}

.calendar-row,
.report-row {
    display: grid;
    grid-template-columns: 150px minmax(180px, 1fr) minmax(180px, 0.8fr) 92px;
    gap: 12px;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--line);
    background: rgba(255, 250, 244, 0.9);
}

.calendar-row time {
    font-weight: 900;
}

.calendar-row strong,
.calendar-row span {
    display: block;
}

.calendar-row span {
    color: rgba(13, 27, 42, 0.66);
    font-size: 13px;
}

.calendar-row b {
    justify-self: end;
    padding: 6px 8px;
    color: var(--paper);
    background: var(--ink);
    border-radius: 5px;
    font-size: 12px;
}

.report-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.report-grid h3 {
    margin: 0 0 10px;
    font-size: 16px;
}

.report-row {
    grid-template-columns: minmax(0, 1fr) auto;
}

.toast {
    position: fixed;
    right: 18px;
    bottom: 18px;
    max-width: min(360px, calc(100vw - 36px));
    padding: 12px 14px;
    color: var(--paper);
    background: var(--ink);
    border-left: 6px solid var(--amber);
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(10px);
    pointer-events: none;
    transition: opacity 160ms ease, transform 160ms ease;
}

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

@keyframes rise {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    .side-rail {
        position: static;
        height: auto;
        flex-direction: row;
        align-items: center;
        overflow-x: auto;
        border-right: 0;
        border-bottom: 6px solid var(--amber);
    }

    .nav-stack {
        display: flex;
        min-width: max-content;
    }

    .rail-meter {
        margin: 0 0 0 auto;
        min-width: 128px;
    }

    .rail-meter strong {
        font-size: 28px;
    }

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

    .quick-panel {
        position: static;
    }
}

@media (max-width: 760px) {
    .workspace {
        padding: 14px;
    }

    .side-rail {
        padding: 12px;
    }

    .brand span {
        min-width: 116px;
    }

    .topbar,
    .top-actions,
    .section-head {
        display: grid;
        width: 100%;
    }

    .search-box {
        min-width: 0;
        width: 100%;
    }

    .metric-spine,
    .detail-grid,
    .report-grid {
        grid-template-columns: 1fr;
    }

    .kanban {
        grid-template-columns: repeat(5, 82vw);
    }

    .detail-list {
        grid-template-columns: 1fr;
    }

    .calendar-row {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .calendar-row b {
        justify-self: start;
    }
}