/* Kalkulator finansowy — arkusz pisany ręcznie, bez build-stepu.
   Zmienne w :root są jedynym miejscem, w którym zmienia się wygląd. */

:root {
    --bg: #f6f7f9;
    --surface: #ffffff;
    --surface-alt: #f2f4f7;
    --border: #dfe3e8;
    --text: #1c2430;
    --text-muted: #6b7684;
    --accent: #2b5fd9;
    --accent-soft: #e8eefc;
    --positive: #12805c;
    --negative: #c0392b;
    --warning-bg: #fff6e0;
    --warning-border: #e8c76a;
    --warning-text: #7a5600;
    --danger-bg: #fdeceb;
    --danger-border: #f0b4ae;
    --success-bg: #e7f6ef;
    --success-border: #a5d9c2;
    --radius: 8px;
    --shadow: 0 1px 2px rgba(20, 30, 45, 0.06), 0 4px 12px rgba(20, 30, 45, 0.04);
    --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #14181f;
        --surface: #1c222b;
        --surface-alt: #232b36;
        --border: #313a47;
        --text: #e6eaf0;
        --text-muted: #98a3b3;
        --accent: #6f9bff;
        --accent-soft: #22314f;
        --positive: #4ecfa0;
        --negative: #ff8b7d;
        --warning-bg: #34290f;
        --warning-border: #6b5520;
        --warning-text: #f2d28a;
        --danger-bg: #3a1e1b;
        --danger-border: #6d3b34;
        --success-bg: #163329;
        --success-border: #2f5f4a;
        --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

/* ---------- Layout ---------- */

.topbar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
    flex-wrap: wrap;
}

.brand {
    font-weight: 650;
    font-size: 16px;
    color: var(--text);
    padding: 14px 0;
    letter-spacing: -0.01em;
}

.nav { display: flex; gap: 4px; flex-wrap: wrap; }

.nav a {
    padding: 14px 12px;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    font-size: 14px;
    white-space: nowrap;
}

.nav a:hover { color: var(--text); text-decoration: none; }
.nav a.active { color: var(--accent); border-bottom-color: var(--accent); }

.topbar-logout { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.container { max-width: 1380px; margin: 0 auto; padding: 24px; }

.page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.page-header h1 { margin: 0; font-size: 22px; font-weight: 640; letter-spacing: -0.015em; }
.page-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ---------- Karty i sekcje ---------- */

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    overflow: hidden;
}

.card-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.card-header h2 { margin: 0; font-size: 15px; font-weight: 620; }
.card-header .hint { font-size: 13px; color: var(--text-muted); font-weight: 400; }
.card-body { padding: 18px; }
.card-body.tight { padding: 0; }

/* ---------- Kafle wskaźników ---------- */

.tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.tile {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 16px;
    box-shadow: var(--shadow);
}

.tile .label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.tile .value { font-size: 21px; font-weight: 640; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.tile .sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.tile.highlight { border-color: var(--accent); background: var(--accent-soft); }

/* ---------- Tabele ---------- */

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); }

th {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--text-muted);
    font-weight: 600;
    background: var(--surface-alt);
    position: sticky;
    top: 0;
    white-space: nowrap;
}

tbody tr:hover { background: var(--surface-alt); }
tfoot td { font-weight: 620; background: var(--surface-alt); }

td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); white-space: nowrap; }
td.narrow { white-space: nowrap; }
.muted { color: var(--text-muted); }
.small { font-size: 12px; }

.amount-positive { color: var(--positive); }
.amount-negative { color: var(--negative); }
.amount-zero { color: var(--text-muted); }

/* ---------- Formularze ---------- */

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}

label { display: block; font-size: 13px; font-weight: 550; margin-bottom: 5px; }
label .optional { font-weight: 400; color: var(--text-muted); }

input[type="text"], input[type="date"], input[type="number"], input[type="file"],
select, textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
}

input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
    border-color: var(--accent);
}

.field-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }
.checkbox-row label { margin: 0; }

.form-actions { display: flex; gap: 8px; margin-top: 16px; align-items: center; flex-wrap: wrap; }

/* ---------- Przyciski ---------- */

.btn {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    font-weight: 550;
    cursor: pointer;
    font-family: inherit;
    white-space: nowrap;
}

.btn:hover { background: var(--surface-alt); text-decoration: none; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); background: var(--accent); }
.btn-danger { color: var(--negative); border-color: var(--danger-border); }
.btn-sm { padding: 5px 9px; font-size: 13px; }

/* ---------- Komunikaty ---------- */

.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-success { background: var(--success-bg); border-color: var(--success-border); }
.alert-warning { background: var(--warning-bg); border-color: var(--warning-border); color: var(--warning-text); }
.alert-error, .alert-danger { background: var(--danger-bg); border-color: var(--danger-border); }
.alert ul { margin: 8px 0 0; padding-left: 20px; }

.empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
}

.empty strong { display: block; color: var(--text); margin-bottom: 6px; font-size: 15px; }

/* ---------- Znaczniki ---------- */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 550;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    white-space: nowrap;
}

.badge-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: baseline; }
.badge-private { background: var(--accent-soft); border-color: var(--accent); }
.badge-business { background: var(--warning-bg); border-color: var(--warning-border); color: var(--warning-text); }
.badge-review { background: var(--danger-bg); border-color: var(--danger-border); }
.badge-ok { background: var(--success-bg); border-color: var(--success-border); }

/* ---------- Wykresy ---------- */

.chart-wrap { position: relative; height: 320px; }
.chart-wrap.tall { height: 400px; }
.chart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 20px; }

/* ---------- Filtry ---------- */

.filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
    align-items: end;
}

/* ---------- Paginacja ---------- */

.pagination { display: flex; gap: 6px; align-items: center; justify-content: center; padding: 14px; flex-wrap: wrap; }
.pagination .current { padding: 6px 10px; font-weight: 620; }

/* ---------- Pomocnicze ---------- */

.row-flex { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.stack > * + * { margin-top: 10px; }
.inline-form { display: inline; }
.nowrap { white-space: nowrap; }
.mono { font-family: var(--mono); font-size: 13px; }
.truncate { max-width: 380px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-block; vertical-align: bottom; }