/* Kalkulator kosztów - arkusz stylów aplikacji.
   Pisany wprost, bez build-stepu: deploy nie wymaga Node'a. */

:root {
    --bg: #f4f5f7;
    --surface: #ffffff;
    --surface-2: #fafbfc;
    --border: #e3e6ea;
    --border-strong: #cfd4da;
    --text: #1c2127;
    --muted: #6b7684;
    --faint: #9aa3ad;
    --accent: #1f6feb;
    --accent-dark: #1550b3;
    --accent-soft: #e8f0fe;
    --green: #157f3d;
    --green-soft: #e6f4ea;
    --red: #c0392b;
    --red-soft: #fdeceb;
    --amber: #9a6700;
    --amber-soft: #fff5d6;
    --radius: 8px;
    --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);
    --sidebar: 232px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-variant-numeric: tabular-nums;
}

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

h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.01em; }
h1 { font-size: 20px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }

/* ---------- Układ ---------- */

.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar);
    flex: 0 0 var(--sidebar);
    background: #16202b;
    color: #c7d0da;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar__brand {
    padding: 18px 18px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.sidebar__brand strong { display: block; color: #fff; font-size: 15px; }
.sidebar__brand span { font-size: 12px; color: #7c8b9b; }

.sidebar__group { padding: 14px 0 4px; }
.sidebar__group-label {
    padding: 0 18px 6px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: #6b7a8a;
}

.sidebar a.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 8px 18px;
    color: #c7d0da;
    font-size: 13.5px;
    border-left: 3px solid transparent;
}
.sidebar a.nav:hover { background: rgba(255, 255, 255, .05); color: #fff; text-decoration: none; }
.sidebar a.nav.is-active {
    background: rgba(31, 111, 235, .16);
    border-left-color: var(--accent);
    color: #fff;
    font-weight: 500;
}

.sidebar__foot {
    margin-top: auto;
    padding: 14px 18px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    font-size: 12px;
    color: #7c8b9b;
}
.sidebar__foot a { color: #9fb0c2; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 20;
}
.topbar__title { flex: 1; min-width: 200px; }
.topbar__title p { margin: 2px 0 0; color: var(--muted); font-size: 13px; }

.content { padding: 24px; flex: 1; }
.content > * + * { margin-top: 20px; }

/* ---------- Elementy ---------- */

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.card__head {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.card__head p { margin: 3px 0 0; font-size: 12.5px; color: var(--muted); }
.card__body { padding: 18px; }
.card__body--flush { padding: 0; }
.card__foot {
    padding: 12px 18px;
    border-top: 1px solid var(--border);
    background: var(--surface-2);
    border-radius: 0 0 var(--radius) var(--radius);
}

.grid { display: grid; gap: 16px; }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (max-width: 1200px) { .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px) {
    .grid--4, .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid--2 { grid-template-columns: minmax(0, 1fr); }
    .sidebar { position: fixed; transform: translateX(-100%); z-index: 60; transition: transform .2s; }
    .sidebar.is-open { transform: none; }
    .content { padding: 14px; }
    .content > * + * { margin-top: 14px; }
    .topbar { padding: 12px 14px; gap: 10px; }
    .topbar__title h1 { font-size: 18px; }
    .stat__value { font-size: 20px; }
    .card__body { padding: 14px; }
    .filters { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 560px) {
    .grid--4, .grid--3 { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- Ekran główny telefonu ---------- */

/* Aplikacja dodana do ekranu głównego rysuje się pod paskiem stanu -
   obszar bezpieczny trzeba odsunąć samodzielnie. */
@supports (padding: max(0px)) {
    .topbar { padding-top: max(14px, env(safe-area-inset-top)); }
    .sidebar { padding-top: env(safe-area-inset-top); }
    .content { padding-bottom: max(24px, env(safe-area-inset-bottom)); }
}

/* Safari na iOS przybliża stronę, gdy pole ma czcionkę mniejszą niż 16 px. */
@media (max-width: 900px) {
    input[type=text], input[type=number], input[type=date], input[type=search],
    input[type=password], input[type=email], select, textarea { font-size: 16px; }
    .btn { padding: 9px 14px; }
    .btn--sm { padding: 7px 11px; }
    table.data th, table.data td { padding: 10px 12px; }
}

/* Kafelek z liczbą */
.stat { padding: 16px 18px; }
.stat__label { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.stat__value { font-size: 24px; font-weight: 600; margin-top: 6px; letter-spacing: -.02em; }
.stat__hint { font-size: 12.5px; color: var(--muted); margin-top: 4px; }

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

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

table.data {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    white-space: nowrap;
}
table.data th,
table.data td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border); }
table.data thead th {
    background: var(--surface-2);
    font-size: 11.5px;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--muted);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 2;
    border-bottom: 1px solid var(--border-strong);
}
table.data tbody tr:hover { background: #f7f9fb; }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data tfoot td {
    background: var(--surface-2);
    font-weight: 600;
    border-top: 2px solid var(--border-strong);
    border-bottom: 0;
}
table.data .wrap { white-space: normal; min-width: 220px; }

.pos { color: var(--green); }
.neg { color: var(--red); }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.small { font-size: 12.5px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.center { text-align: center; }

/* Naglowek dwupoziomowy - grupowanie kolumn nie znosi przyklejania. */
table.data--grouped thead th { position: static; }
table.data--grouped thead tr:first-child th { border-bottom: 1px solid var(--border); }
table.data--grouped thead th.group {
    text-align: center;
    background: #eef2f6;
    color: #46525f;
    border-left: 1px solid var(--border-strong);
}
table.data--grouped td.group-start,
table.data--grouped thead th.group-start { border-left: 1px solid var(--border-strong); }
table.data .sub { font-weight: 600; background: #f7f9fb; }

/* ---------- Etykiety ---------- */

.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11.5px;
    font-weight: 500;
    background: #eef1f4;
    color: #46525f;
    white-space: nowrap;
}
.tag--green { background: var(--green-soft); color: var(--green); }
.tag--red { background: var(--red-soft); color: var(--red); }
.tag--amber { background: var(--amber-soft); color: var(--amber); }
.tag--blue { background: var(--accent-soft); color: var(--accent-dark); }

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

label.field { display: block; }
label.field > span {
    display: block;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--muted);
    margin-bottom: 4px;
}
label.field small { display: block; font-weight: 400; color: var(--faint); margin-top: 3px; }

input[type=text], input[type=number], input[type=date], input[type=search],
input[type=password], input[type=email], select, textarea {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    font: inherit;
    font-variant-numeric: tabular-nums;
}
input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--accent-soft);
    border-color: var(--accent);
}
input[readonly], input:disabled, select:disabled {
    background: var(--surface-2);
    color: var(--muted);
}
textarea { min-height: 70px; resize: vertical; }
select { appearance: auto; }

.check { display: flex; align-items: center; gap: 8px; font-size: 13.5px; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }

.form-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.form-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 6px;
    border: 1px solid var(--border-strong);
    background: #fff;
    color: var(--text);
    font: inherit;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.btn--danger { color: var(--red); border-color: #eab8b3; }
.btn--danger:hover { background: var(--red-soft); }
.btn--sm { padding: 4px 9px; font-size: 12.5px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }

/* Gotowe zakresy dat na stronie faktur do oplacenia - wybrany ma byc widoczny
   od razu, bo od niego zalezy suma, ktora sie przelewa dostawcy. */
.skroty { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.skroty .btn.is-active {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent-dark);
    font-weight: 500;
}

/* Filtry: rzad selectow, pod nim przelaczniki i przyciski.
   Bez tego podzialu checkboxy wskakiwaly miedzy pola i wszystko sie rozjezdzalo. */
.filters {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    align-items: end;
}

/* Wariant z podzialem na rzedy - uzywa go zestawienie, ktore ma najwiecej pol. */
.filters--sekcje { grid-template-columns: minmax(0, 1fr); gap: 0; align-items: stretch; }

.filters__pola {
    display: grid;
    gap: 10px 14px;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    align-items: end;
}

/* Szukanie dostaje wiecej miejsca - reszta to krotkie listy wyboru. */
.filters__pola .field--szeroki { grid-column: span 2; }

.filters__pola label.field > span {
    font-size: 11.5px;
    letter-spacing: .02em;
    text-transform: uppercase;
    color: var(--faint);
}

.filters__pola select,
.filters__pola input[type=search] { height: 36px; }

.filters__stopka {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 20px;
    margin-top: 14px;
    padding-top: 13px;
    border-top: 1px solid var(--border);
}

.filters__przelaczniki { display: flex; flex-wrap: wrap; gap: 8px 18px; }

/* Przelacznik czyta sie jak znacznik - widac, ze jest wlaczony. */
.filters__przelaczniki .check {
    padding: 5px 11px 5px 9px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    background: #fff;
    cursor: pointer;
    transition: background .12s, border-color .12s, color .12s;
}
.filters__przelaczniki .check:hover { border-color: var(--accent); }
.filters__przelaczniki .check:has(input:checked) {
    background: var(--accent-soft);
    border-color: var(--accent);
    color: var(--accent-dark);
    font-weight: 500;
}

.filters__stopka .form-actions { margin-left: auto; }

@media (max-width: 700px) {
    .filters__pola .field--szeroki { grid-column: auto; }
    .filters__stopka { align-items: stretch; }
    .filters__stopka .form-actions { margin-left: 0; width: 100%; }
    .filters__stopka .form-actions .btn { flex: 1; justify-content: center; }
}

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

.alert {
    padding: 11px 14px;
    border-radius: var(--radius);
    border: 1px solid;
    font-size: 13.5px;
}
.alert--ok { background: var(--green-soft); border-color: #b7e0c4; color: #10592b; }
.alert--err { background: var(--red-soft); border-color: #f0c2bd; color: #9a2d20; }
.alert--warn { background: var(--amber-soft); border-color: #ecd9a0; color: #7a5200; }
.alert--info { background: var(--accent-soft); border-color: #c2d8fb; color: var(--accent-dark); }
.alert ul { margin: 6px 0 0; padding-left: 18px; }

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

.pagination { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; list-style: none; margin: 0; padding: 0; }
.pagination li span, .pagination li a {
    display: block;
    padding: 5px 10px;
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    font-size: 13px;
    background: #fff;
    color: var(--text);
}
.pagination li a:hover { background: var(--surface-2); text-decoration: none; }
.pagination li[aria-current] span { background: var(--accent); border-color: var(--accent); color: #fff; }
.pagination li[aria-disabled] span { color: var(--faint); background: var(--surface-2); }

/* ---------- Wykres ---------- */

.chart { width: 100%; height: auto; display: block; }
.chart .bar { fill: var(--accent); }
.chart .bar--neg { fill: var(--red); }
.chart .axis { stroke: var(--border-strong); stroke-width: 1; }
.chart .grid-line { stroke: var(--border); stroke-width: 1; stroke-dasharray: 2 3; }
.chart text { font-size: 10px; fill: var(--muted); }

/* ---------- Logowanie ---------- */

.login {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
    background: #16202b;
}
.login .card { width: 100%; max-width: 380px; }

/* ---------- Drobiazgi ---------- */

.hamburger { display: none; }
@media (max-width: 900px) { .hamburger { display: inline-flex; } }

.empty { padding: 40px 20px; text-align: center; color: var(--muted); }
.empty strong { display: block; color: var(--text); margin-bottom: 4px; }

.stack > * + * { margin-top: 14px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

details.help > summary { cursor: pointer; color: var(--muted); font-size: 13px; }
details.help > div { margin-top: 8px; font-size: 13px; color: var(--muted); }

@media print {
    .sidebar, .topbar, .btn, .filters { display: none !important; }
    body { background: #fff; }
    .card { box-shadow: none; border-color: #ccc; }
}

[hidden] { display: none !important; }

/* Baza wiedzy obslugi klienta */
.kb .card__head p { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 6px; }
.kb__text { white-space: pre-wrap; line-height: 1.55; overflow-wrap: anywhere; }
.kb__label { margin: 16px 0 6px; font-size: 11.5px; letter-spacing: .02em; text-transform: uppercase; color: var(--faint); }
.kb__reply { padding: 12px 14px; border-left: 3px solid var(--accent); background: var(--bg, transparent); border-radius: 4px; }
.kb__edit { margin-top: 14px; }
.kb__edit summary { cursor: pointer; color: var(--accent); font-size: 13px; margin-bottom: 10px; }
.kb__sources { margin-top: 12px; }
.kb__sources a { margin-right: 6px; }
.kb-install summary { cursor: pointer; }
.kb-install ol { margin: 0 0 10px; padding-left: 20px; line-height: 1.9; }