:root {
    --bg: #eef2f5;
    --panel: #ffffff;
    --text: #15202b;
    --muted: #607080;
    --line: #dbe2e8;
    --accent: #0f766e;
    --accent-dark: #115e59;
    --amber: #b45309;
    --blue: #2563eb;
    --danger: #b42318;
    --success: #137333;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
}

a {
    color: var(--accent-dark);
    text-decoration: none;
}

button,
input,
select {
    font: inherit;
}

button {
    border: 0;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    font-weight: 700;
    min-height: 40px;
    padding: 0 16px;
}

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

label {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

input,
select {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    min-height: 40px;
    padding: 0 10px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    padding: 12px 22px;
}

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

.topbar nav {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--muted);
    font-size: 14px;
}

.eyebrow {
    margin: 0 0 4px;
    color: var(--accent-dark);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.page {
    display: grid;
    gap: 10px;
    padding: 12px 20px 18px;
}

.board-page {
    height: calc(100vh - 63px);
    grid-template-rows: auto auto auto 1fr;
    overflow: hidden;
}

.workbar,
.bulk-panel,
.table-panel,
.login-panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.workbar,
.bulk-panel,
.table-panel {
    padding: 12px;
}

.workbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 14px;
    align-items: end;
}

.filters,
.bulk-form {
    display: grid;
    grid-template-columns: repeat(5, minmax(140px, 1fr));
    align-items: end;
    gap: 10px;
}

.compact-filters {
    grid-template-columns: 145px minmax(190px, 1fr) minmax(145px, 0.75fr) minmax(190px, 1fr) 120px;
}

.bulk-form {
    grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto;
    margin-top: 12px;
}

.bulk-panel {
    padding: 0;
}

.bulk-panel summary {
    cursor: pointer;
    font-size: 14px;
    font-weight: 800;
    padding: 12px;
}

.bulk-panel[open] {
    padding: 0 12px 12px;
}

.bulk-panel[open] summary {
    padding-left: 0;
    padding-right: 0;
}

.board-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(72px, auto));
    gap: 8px;
}

.board-summary article {
    min-width: 82px;
    border-left: 3px solid var(--accent);
    background: #f8fafb;
    border-radius: 6px;
    padding: 8px 10px;
}

.board-summary strong {
    display: block;
    font-size: 21px;
    line-height: 1;
}

.board-summary span {
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.metrics article,
.planner-card {
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 16px;
}

.metrics span {
    display: block;
    font-size: 30px;
    font-weight: 800;
}

.metrics p,
.planner-card p,
.planner-card small,
.section-title p {
    margin: 4px 0 0;
    color: var(--muted);
}

.planner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
}

.planner-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
}

.planner-card h2,
.bulk-panel h2,
.section-title h2 {
    margin: 0;
    font-size: 18px;
}

.planner-card strong {
    color: var(--accent-dark);
    font-size: 28px;
}

.planner-card small {
    grid-column: 1 / -1;
    line-height: 1.4;
}

.section-title {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 14px;
}

.table-wrap {
    overflow-x: auto;
}

.planning-board {
    display: flex;
    gap: 10px;
    min-height: 0;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 2px 2px 12px;
    scrollbar-color: #8b969f #e1e7eb;
}

.planner-column {
    display: grid;
    grid-template-rows: auto 1fr;
    flex: 0 0 232px;
    min-height: 100%;
    max-height: 100%;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    overflow: hidden;
}

.planner-column.is-light {
    border-top: 4px solid var(--blue);
}

.planner-column.is-balanced {
    border-top: 4px solid var(--accent);
}

.planner-column.is-heavy {
    border-top: 4px solid var(--amber);
}

.planner-column-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    border-bottom: 1px solid var(--line);
    background: #f9fbfc;
    padding: 10px 10px 9px;
}

.planner-column-header h2 {
    margin: 0;
    font-size: 15px;
    line-height: 1.2;
}

.planner-column-header p {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin: 4px 0 0;
    color: #52616f;
    font-size: 12px;
}

.planner-column-header p span {
    border: 1px solid #d6e0e7;
    border-radius: 999px;
    background: #ffffff;
    padding: 2px 7px;
}

.truck-count {
    display: inline-grid;
    place-items: center;
    min-width: 32px;
    height: 26px;
    border-radius: 999px;
    background: #e7f2f0;
    color: var(--accent-dark);
    font-size: 12px;
    font-weight: 800;
}

.truck-dropzone {
    display: grid;
    align-content: start;
    gap: 6px;
    min-height: 220px;
    overflow-y: auto;
    padding: 8px;
    background: #f5f8fa;
}

.truck-dropzone.is-over {
    background: #eef8f6;
    outline: 2px solid #78bdb6;
    outline-offset: -4px;
}

.truck-tile {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: baseline;
    column-gap: 9px;
    min-height: 38px;
    border: 1px solid #d1dce3;
    border-left: 4px solid var(--client-color, var(--accent));
    border-radius: 6px;
    background: #ffffff;
    box-shadow: none;
    cursor: grab;
    padding: 7px 8px;
    user-select: none;
}

.truck-tile:active {
    cursor: grabbing;
}

.truck-tile.is-dragging {
    opacity: 0.55;
}

.truck-tile strong {
    color: var(--text);
    font-size: 15px;
    line-height: 1;
}

.truck-tile span {
    color: var(--muted);
    font-size: 11px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.empty-dropzone,
.empty-board {
    border: 1px dashed #c9d3da;
    border-radius: 8px;
    color: var(--muted);
    font-size: 13px;
    padding: 14px;
    text-align: center;
}

.empty-board {
    width: 100%;
    background: #ffffff;
}

.board-status {
    position: fixed;
    top: 90px;
    right: 28px;
    z-index: 10;
    box-shadow: 0 8px 22px rgba(21, 32, 43, 0.12);
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 820px;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 12px 10px;
    text-align: left;
}

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

.inline-form {
    display: grid;
    grid-template-columns: minmax(160px, 1fr) auto;
    gap: 8px;
}

.alert {
    border-radius: 8px;
    font-weight: 700;
    padding: 12px 14px;
}

.alert.success {
    background: #e7f4ea;
    color: var(--success);
}

.alert.error {
    background: #fdecec;
    color: var(--danger);
}

.empty {
    color: var(--muted);
    text-align: center;
}

.login-page {
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-shell {
    width: min(440px, 100%);
}

.login-panel {
    padding: 28px;
}

.stack {
    display: grid;
    gap: 16px;
    margin-top: 22px;
}

@media (max-width: 920px) {
    .board-page {
        height: auto;
        overflow: visible;
    }

    .topbar,
    .section-title {
        align-items: flex-start;
        flex-direction: column;
    }

    .workbar,
    .filters,
    .bulk-form,
    .metrics {
        grid-template-columns: 1fr;
    }

    .board-summary {
        grid-template-columns: repeat(3, 1fr);
    }

    .planning-board {
        min-height: 460px;
    }

    .planner-column {
        flex-basis: 220px;
    }
}