:root {
    --bg:        #f5f6f8;
    --panel:     #ffffff;
    --border:    #d9dde3;
    --text:      #1c2530;
    --muted:     #5a6470;
    --brand:     #0b3d69;
    --brand-2:   #1e5f97;
    --accent:    #cd9316;

    --sev-critical:      #b3261e;
    --sev-critical-bg:   #fdecea;
    --sev-warning:       #a86000;
    --sev-warning-bg:    #fff5e0;
    --sev-info:          #1e5f97;
    --sev-info-bg:       #e7effa;

    --shadow: 0 1px 2px rgba(0,0,0,0.05);
    --radius: 6px;
    --mono: ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
    font: 14px/1.45 -apple-system, "Segoe UI", Roboto, sans-serif; }

.app-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 24px; background: var(--brand); color: #fff;
    box-shadow: var(--shadow);
}
.app-header__brand { display: flex; align-items: center; gap: 10px; }
.app-header__logo { color: var(--accent); font-size: 20px; }
.app-header__title { font-weight: 600; letter-spacing: 0.02em; }
.app-header__nav a {
    color: #dfe7ef; text-decoration: none; margin-left: 20px;
    padding-bottom: 2px; border-bottom: 2px solid transparent;
}
.app-header__nav a.active { color: #fff; border-bottom-color: var(--accent); }
.app-header__nav a.disabled { color: #7a90a8; pointer-events: none; }

.app-main { padding: 22px 24px 40px; }

.page-header h1 { margin: 0 0 4px 0; font-size: 22px; }
.page-header .sub { color: var(--muted); margin: 0 0 18px 0; }

.filter-bar {
    display: flex; flex-wrap: wrap; gap: 12px 16px; align-items: end;
    background: var(--panel); padding: 12px 16px; border: 1px solid var(--border);
    border-radius: var(--radius); margin-bottom: 18px;
}
.filter-bar label {
    display: flex; flex-direction: column; gap: 4px;
    font-size: 12px; color: var(--muted); text-transform: uppercase;
    letter-spacing: 0.04em;
}
.filter-bar select, .filter-bar input {
    padding: 6px 8px; border: 1px solid var(--border); border-radius: 4px;
    font: inherit; color: var(--text); background: #fff; min-width: 180px;
}
.filter-bar button {
    padding: 8px 18px; background: var(--brand-2); color: #fff;
    border: none; border-radius: 4px; cursor: pointer; font-weight: 600;
}
.filter-bar button:hover { background: var(--brand); }
.filter-bar .reset {
    padding: 8px 12px; color: var(--muted); text-decoration: none;
    font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em;
}
.filter-bar .checkbox {
    display: flex; flex-direction: row; align-items: center; gap: 6px;
    font-size: 12px; color: var(--text); text-transform: none;
    letter-spacing: normal;
}

.summary-strip {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px; margin-bottom: 18px;
}
.tile {
    background: var(--panel); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 12px 14px;
}
.tile__label {
    font-size: 11px; color: var(--muted); text-transform: uppercase;
    letter-spacing: 0.06em;
}
.tile__value { font-size: 22px; font-weight: 600; margin-top: 4px; }
.tile__sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.tile--critical { border-left: 4px solid var(--sev-critical); }
.tile--critical .tile__value { color: var(--sev-critical); }
.tile--warning  { border-left: 4px solid var(--sev-warning); }
.tile--warning  .tile__value { color: var(--sev-warning); }
.tile--info     { border-left: 4px solid var(--sev-info); }
.tile--info     .tile__value { color: var(--sev-info); }

.table-wrap {
    background: var(--panel); border: 1px solid var(--border);
    border-radius: var(--radius); overflow-x: auto;
}
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
    padding: 10px 12px; border-bottom: 1px solid var(--border);
    text-align: left; vertical-align: middle;
}
.data-table thead th {
    background: #eef1f5; color: var(--muted); font-size: 11px;
    text-transform: uppercase; letter-spacing: 0.04em;
    position: sticky; top: 0;
}
.data-table tbody tr:hover { background: #fafbfd; }
.data-table td.num, .data-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table td.mono { font-family: var(--mono); font-weight: 600; }
.data-table .sev--critical { background: var(--sev-critical-bg); color: var(--sev-critical); }
.data-table .sev--warning  { background: var(--sev-warning-bg);  color: var(--sev-warning);  }
.data-table .sev--info     { background: var(--sev-info-bg);     color: var(--sev-info);     }

.app-footer {
    color: var(--muted); font-size: 12px; padding: 16px 24px;
    border-top: 1px solid var(--border); margin-top: 24px;
}

/* Chips */
.chip {
    display: inline-block; padding: 2px 8px; border-radius: 999px;
    font-size: 11px; font-weight: 600; letter-spacing: 0.03em;
    text-transform: uppercase; background: #eef1f5; color: var(--muted);
    white-space: nowrap;
}
.chip--lb        { background: #fdecea; color: var(--sev-critical); }
.chip--hb        { background: #e7f4ec; color: #146c43; }
.chip--critical  { background: var(--sev-critical-bg); color: var(--sev-critical); }
.chip--warning   { background: var(--sev-warning-bg);  color: var(--sev-warning);  }
.chip--info      { background: var(--sev-info-bg);     color: var(--sev-info);     }
.scope--month    { background: #eef1f5; color: var(--muted); }
.scope--quarter  { background: #eaf3fb; color: #0b3d69; }
.scope--year     { background: #e8f1e8; color: #146c43; }
.scope--fleet    { background: #f4eafe; color: #6a1b9a; }
.scope--unconfirmed { background: var(--sev-warning-bg); color: var(--sev-warning);
    border: 1px dashed var(--sev-warning); }

/* KPI meta strip */
.kpi-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px; margin-bottom: 18px; }
.meta {
    background: var(--panel); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 12px 14px;
}
.meta__label { font-size: 11px; color: var(--muted); text-transform: uppercase;
    letter-spacing: 0.06em; }
.meta__value { font-size: 18px; font-weight: 600; margin-top: 4px; }
.meta__sub   { font-size: 12px; color: var(--muted); margin-top: 4px; }

.note { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 16px; }
.note--info { background: var(--sev-info-bg); color: var(--sev-info); border-left: 3px solid var(--sev-info); }

.page-header .back { display: inline-block; color: var(--muted); text-decoration: none;
    font-size: 12px; margin-bottom: 6px; }
.page-header .back:hover { color: var(--brand-2); }

.chart-section { background: var(--panel); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px; margin-bottom: 18px; }
.chart-section h2 { margin: 0 0 10px 0; font-size: 15px; }

.ranking { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; }
.ranking h3 { margin: 0 0 8px 0; font-size: 14px; color: var(--muted); }
.data-table.compact th, .data-table.compact td { padding: 6px 10px; }

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

.reasons { list-style: none; margin: 0; padding: 0; font-size: 12px; }
.reasons li { padding: 3px 0; border-bottom: 1px dotted var(--border); }
.reasons li:last-child { border-bottom: none; }
.rule-tag { display: inline-block; font-family: var(--mono); background: #eef1f5;
    padding: 1px 6px; border-radius: 3px; font-size: 10px; margin-right: 4px; }

.pal-form { display: inline; margin: 0; padding: 0; }
.pal-btn {
    background: var(--brand-2); color: #fff; border: none;
    width: 26px; height: 26px; border-radius: 4px; cursor: pointer;
    font-size: 14px; font-weight: 700;
}
.pal-btn:hover { background: var(--brand); }

.row--critical { background: rgba(179, 38, 30, 0.04); }
.row--critical:hover { background: rgba(179, 38, 30, 0.08); }
h2 { font-size: 16px; margin: 22px 0 10px 0; }
h3 { margin: 12px 0 6px 0; }

.export-btn {
    padding: 8px 12px; background: #146c43; color: #fff;
    text-decoration: none; border-radius: 4px; font-weight: 600;
    font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em;
}
.export-btn:hover { background: #0f5934; }

.ledger tr.subtotal td { background: #fff5e0; font-weight: 600; }
.ledger tr.grand-total td { background: #eaf3fb; font-weight: 700;
    border-top: 2px solid var(--brand); }
.ledger .over { color: var(--sev-critical); font-weight: 700; }

.login-box { max-width: 340px; margin: 40px auto; padding: 24px;
    background: var(--panel); border: 1px solid var(--border);
    border-radius: var(--radius); }
.login-box h1 { margin-top: 0; }
.login-form { display: flex; flex-direction: column; gap: 12px; }
.login-form label { display: flex; flex-direction: column; gap: 4px;
    font-size: 12px; color: var(--muted); text-transform: uppercase;
    letter-spacing: 0.04em; }
.login-form input { padding: 8px; border: 1px solid var(--border);
    border-radius: 4px; font-size: 14px; }
.login-form button { padding: 10px; background: var(--brand-2); color: #fff;
    border: none; border-radius: 4px; font-weight: 600; cursor: pointer;
    margin-top: 8px; }
.login-form button:hover { background: var(--brand); }

.admin-nav { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; }
.admin-nav a { padding: 8px 14px; background: var(--panel);
    border: 1px solid var(--border); border-radius: var(--radius);
    color: var(--brand-2); text-decoration: none; font-weight: 600;
    font-size: 13px; }
.admin-nav a:hover { background: #eef1f5; }

.kpi-edit-form fieldset { border: 1px solid var(--border);
    border-radius: var(--radius); padding: 16px 20px; background: var(--panel);
    max-width: 620px; }
.kpi-edit-form label { display: flex; flex-direction: column; gap: 4px;
    font-size: 12px; color: var(--muted); text-transform: uppercase;
    letter-spacing: 0.04em; margin-bottom: 12px; }
.kpi-edit-form input, .kpi-edit-form select { padding: 6px 8px;
    border: 1px solid var(--border); border-radius: 4px; font: inherit; }
.kpi-edit-form button { padding: 8px 16px; background: var(--brand-2);
    color: #fff; border: none; border-radius: 4px; font-weight: 600;
    cursor: pointer; }
.kpi-edit-form label.checkbox { flex-direction: row; align-items: center;
    gap: 6px; text-transform: none; letter-spacing: normal; }

/* Header account chip */
.app-header__account {
    display: flex; gap: 12px; align-items: center;
    font-size: 12px; color: #dfe7ef; letter-spacing: 0.03em;
}
.app-header__account .muted { color: #a3b3c4; text-transform: uppercase;
    letter-spacing: 0.06em; }
.app-header__account a { color: #dfe7ef; text-decoration: none;
    border-bottom: 1px solid transparent; }
.app-header__account a:hover { border-bottom-color: var(--accent); }

/* Users page + user-management buttons */
.user-actions form { margin-right: 4px; }
.btn-small { padding: 4px 10px; font-size: 12px; border-radius: 4px;
    border: 1px solid var(--border); background: #fff; cursor: pointer; }
.btn-small:hover { background: #eef1f5; }
.btn-critical { color: var(--sev-critical); border-color: var(--sev-critical); }
.btn-critical:hover { background: var(--sev-critical-bg); }
.row--inactive td { opacity: 0.55; }
.chip--warning { background: var(--sev-warning-bg); color: var(--sev-warning); }

/* Temporary password display */
.temp-pw { margin: 16px 0; padding: 16px 20px; background: var(--panel);
    border: 1px solid var(--border); border-left: 4px solid var(--accent);
    border-radius: var(--radius); max-width: 560px; }
.temp-pw__label { font-size: 11px; color: var(--muted); text-transform: uppercase;
    letter-spacing: 0.06em; margin-bottom: 6px; }
.temp-pw__value { font-size: 20px; font-weight: 600; letter-spacing: 0.02em;
    word-break: break-all; padding: 8px 10px; background: #f7f9fc;
    border-radius: 4px; user-select: all; margin-bottom: 8px; }