/* Hlídač marže – vzhled odpovídá návrhu v Design canvasu */
:root {
    --ground: #F6F6F4;
    --surface: #FFFFFF;
    --surface-muted: #FAFAF8;
    --border: #E4E4E0;
    --border-soft: #EFEFEC;
    --border-input: #D4D4CF;
    --ink: #18181B;
    --ink-2: #3F3F46;
    --muted: #5B5B57;
    --accent: #1D4ED8;
    --accent-soft: #EEF2FF;
    --ok-bg: #E7F0FF;
    --ok-ink: #1E3A8A;
    --low-bg: #FFEDD5;
    --low-ink: #9A3412;
    --low-row: #FFFAF3;
    --loss: #B91C1C;
    --loss-row: #FEF2F2;
    --radius: 10px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--ground);
    color: var(--ink);
    font: 14px/1.45 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); }
a:hover { color: #1E3A8A; }
input, select, button { font: inherit; }
h1 { margin: 0; font-size: 24px; font-weight: 700; letter-spacing: -0.01em; }
h2 { margin: 0; font-size: 15px; font-weight: 600; }
.muted { color: var(--muted); }
.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Hlavička */
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar__inner {
    max-width: 1360px; margin: 0 auto; padding: 0 24px; min-height: 60px;
    display: flex; flex-wrap: wrap; align-items: center; gap: 8px 32px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; color: var(--ink); text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; gap: 4px; }
.nav a { padding: 8px 12px; border-radius: 6px; color: var(--ink-2); text-decoration: none; }
.nav a:hover { background: var(--surface-muted); }
.nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.topbar__meta { margin-left: auto; display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--muted); }
.topbar__meta form { margin: 0; }
.link-button { background: none; border: 0; padding: 0; color: var(--accent); cursor: pointer; text-decoration: underline; }

/* Rozvržení */
.page { max-width: 1360px; margin: 0 auto; padding: 28px 24px 48px; display: flex; flex-direction: column; gap: 20px; }
.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; }
.page-head p { margin: 4px 0 0; color: var(--muted); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.card--pad { padding: 16px 18px; }
.card__head {
    display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px;
    padding: 12px 18px; border-bottom: 1px solid var(--border);
}
.columns { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-start; }
.columns > .main { flex: 999 1 560px; min-width: 0; }
.columns > .side { flex: 1 1 320px; }

/* Přepínač jazyka */
.segmented { display: flex; flex-wrap: wrap; gap: 2px; padding: 3px; background: #EDEDEA; border-radius: 8px; }
.segmented a {
    display: inline-flex; align-items: center; min-height: 36px; padding: 0 14px; border-radius: 6px;
    font-size: 13px; color: var(--ink-2); text-decoration: none;
}
.segmented a[aria-current="true"] { background: var(--surface); color: var(--ink); font-weight: 600; box-shadow: 0 1px 2px rgba(0, 0, 0, .08); }

/* KPI */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.kpi { padding: 16px 18px; }
.kpi__label { font-size: 12px; font-weight: 500; color: var(--muted); }
.kpi__value { margin-top: 4px; font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; }
.kpi__value--low { color: var(--low-ink); }
.kpi__value--loss { color: var(--loss); }
a.kpi { display: block; color: inherit; text-decoration: none; }
a.kpi:hover { border-color: var(--border-input); }

/* Formuláře */
.filters { display: flex; flex-wrap: wrap; gap: 12px 16px; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 12px; font-weight: 500; color: var(--ink-2); }
.field--grow { flex: 2 1 260px; }
.field--mid { flex: 1 1 170px; }
.input, .select {
    height: 40px; padding: 0 12px; border: 1px solid var(--border-input); border-radius: 8px;
    background: var(--surface); color: var(--ink); font-size: 14px; width: 100%;
}
.input:focus, .select:focus, .btn:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.checkbox { display: flex; align-items: center; gap: 8px; min-height: 40px; font-size: 14px; color: var(--ink); }
.checkbox input { width: 18px; height: 18px; accent-color: var(--accent); }
.form-stack { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.form-row > .field { flex: 1 1 160px; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    height: 40px; padding: 0 14px; border: 1px solid var(--border-input); border-radius: 8px;
    background: var(--surface); color: var(--ink-2); text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--surface-muted); color: var(--ink); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn--primary:hover { background: #1E40AF; color: #fff; }
.btn--dark { background: var(--ink); border-color: var(--ink); color: #fff; font-weight: 600; }
.btn--dark:hover { background: #000; color: #fff; }
.btn--small { height: 36px; padding: 0 12px; }
.btn--danger { color: var(--loss); }

/* Tabulky */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.table th {
    padding: 10px 12px; background: var(--surface-muted); border-bottom: 1px solid var(--border);
    color: var(--muted); font-size: 12px; font-weight: 500; text-align: left; white-space: nowrap;
}
.table td { padding: 12px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
.table th:first-child, .table td:first-child { padding-left: 18px; }
.table th:last-child, .table td:last-child { padding-right: 18px; }
.table tr:last-child td { border-bottom: 0; }
.table th a { color: inherit; text-decoration: none; }
.table th a:hover { color: var(--ink); }
.table--products { min-width: 1160px; }
.row--low { background: var(--low-row); }
.row--loss { background: var(--loss-row); }
.product-name { font-weight: 500; }
.product-name a { color: var(--ink); text-decoration: none; }
.product-name a:hover { text-decoration: underline; }
.sub { margin-top: 2px; font-size: 12px; color: var(--muted); }
.pct { font-weight: 700; }
.pct--low { color: var(--low-ink); }
.pct--loss { color: var(--loss); }
.empty { padding: 48px 18px; text-align: center; color: var(--muted); }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge--ok { background: var(--ok-bg); color: var(--ok-ink); }
.badge--low, .badge--warning { background: var(--low-bg); color: var(--low-ink); }
.badge--loss, .badge--error { background: var(--loss); color: #fff; }
.badge--none, .badge--queued, .badge--running { background: #EDEDEA; color: var(--ink-2); }

/* Stránkování a hlášky */
.pager { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--border); }
.pager__links { display: flex; gap: 8px; }
.flash { padding: 12px 16px; border-radius: 8px; border: 1px solid var(--border); background: var(--ok-bg); color: var(--ok-ink); }
.flash--error { background: var(--loss-row); color: var(--loss); border-color: #FECACA; }

/* Přihlášení */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login .card { width: 100%; max-width: 380px; padding: 28px; }

@media (max-width: 640px) {
    .topbar__meta { margin-left: 0; }
    .page { padding: 20px 16px 40px; }
    .topbar__inner { padding: 8px 16px; }
}