/* =========================================================================
   KSeF Portal — style. Najpierw tokeny (custom properties) + dwa motywy,
   potem klasy komponentów. Dark jest motywem domyślnym.
   ========================================================================= */

:root {
  --font: system-ui, "Segoe UI", Roboto, Arial, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --sidebar-w: 256px;
  --transition: 150ms ease;
}

/* ---- Motyw ciemny (domyślny) ---- */
body.theme-dark {
  --bg: #0f1419;
  --bg-elev: #1a212a;
  --bg-elev-2: #232d38;
  --sidebar-bg: #131a21;
  --input-bg: #0e1620;
  --text: #e6edf3;
  --text-muted: #9aa4b2;
  --text-faint: #6b7682;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --primary: #4f8ff0;
  --primary-hover: #6aa1f4;
  --primary-contrast: #ffffff;
  --accent: #e0a64a;
  --danger: #e5544b;
  --danger-soft: rgba(229, 84, 75, 0.16);
  --warning: #e0a64a;
  --warning-soft: rgba(224, 166, 74, 0.16);
  --success: #46b97a;
  --success-soft: rgba(70, 185, 122, 0.16);
  --info: #4f8ff0;
  --info-soft: rgba(79, 143, 240, 0.16);
  --shadow: 0 6px 22px rgba(0, 0, 0, 0.45);
  --overlay: rgba(5, 8, 12, 0.6);
}

/* ---- Motyw jasny ---- */
body.theme-light {
  --bg: #f4f6f8;
  --bg-elev: #ffffff;
  --bg-elev-2: #eef1f5;
  --sidebar-bg: #ffffff;
  --input-bg: #ffffff;
  --text: #1f2933;
  --text-muted: #5a6672;
  --text-faint: #8a96a3;
  --border: rgba(0, 0, 0, 0.10);
  --border-strong: rgba(0, 0, 0, 0.20);
  --primary: #1f4e79;
  --primary-hover: #2a5f91;
  --primary-contrast: #ffffff;
  --accent: #c8932f;
  --danger: #d32f2f;
  --danger-soft: rgba(211, 47, 47, 0.10);
  --warning: #b07d12;
  --warning-soft: rgba(200, 147, 47, 0.14);
  --success: #2e7d32;
  --success-soft: rgba(46, 125, 50, 0.12);
  --info: #0288d1;
  --info-soft: rgba(2, 136, 209, 0.12);
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.10);
  --overlay: rgba(15, 23, 32, 0.4);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

.icon { display: inline-block; vertical-align: middle; flex: none; }

/* =========================================================================
   Ekran logowania
   ========================================================================= */
.login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(1100px 600px at 80% -10%, var(--info-soft), transparent),
    var(--bg);
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 28px;
}
.login-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}
.login-brand .icon { color: var(--primary); }
.login-subtitle { color: var(--text-muted); margin: 6px 0 24px; }
.login-card .btn { width: 100%; justify-content: center; }
.login-alt { margin: 18px 0 0; text-align: center; font-size: 13px; color: var(--text-muted); }
.login-alt a { color: var(--primary); font-weight: 600; text-decoration: none; }
.login-alt a:hover { text-decoration: underline; }

/* Nagłówek karty logowania: marka po lewej, przełącznik języka po prawej */
.login-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

/* =========================================================================
   Przełącznik języka (PL/EN) — flaga + nazwa, rozwijana lista flag
   ========================================================================= */
.lang-slot { flex: 1 1 auto; min-width: 0; }
.lang-switch { position: relative; }

.lang-trigger {
  display: inline-flex; align-items: center; gap: 8px; width: 100%;
  padding: 7px 10px;
  background: var(--bg-elev-2); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  font: inherit; font-size: 13px; line-height: 1; cursor: pointer;
  transition: var(--transition);
}
.lang-trigger:hover { border-color: var(--primary); }
.lang-trigger-name { flex: 1 1 auto; text-align: left; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lang-trigger .icon { flex: 0 0 auto; color: var(--text-muted); transition: transform .18s ease; }
.lang-switch.open .lang-trigger .icon { transform: rotate(180deg); }

/* Flaga: stały box z zaokrągleniem i cienką ramką (SVG wypełnia) */
.flag {
  flex: 0 0 auto; width: 22px; height: 15px; line-height: 0;
  border-radius: 3px; overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.25);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04);
}
.flag-svg { display: block; width: 100%; height: 100%; }

/* Rozwijana lista */
.lang-menu {
  position: absolute; left: 0; top: calc(100% + 6px); min-width: 100%;
  display: none; flex-direction: column; gap: 2px; z-index: 60;
  padding: 5px;
  background: var(--bg-elev); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); box-shadow: var(--shadow);
}
.lang-switch.open .lang-menu { display: flex; }

.lang-option {
  display: flex; align-items: center; gap: 9px; width: 100%;
  padding: 8px 10px; border: 0; border-radius: 6px;
  background: transparent; color: var(--text);
  font: inherit; font-size: 13px; line-height: 1; text-align: left;
  white-space: nowrap; cursor: pointer;
}
.lang-option:hover { background: var(--bg-elev-2); }
.lang-option.active { color: var(--primary); font-weight: 600; }
.lang-option-name { flex: 1 1 auto; }
.lang-option .icon { flex: 0 0 auto; color: var(--primary); }

/* W sidebarze menu rozwija się do góry (footer jest przy dole ekranu) */
.lang-sidebar .lang-menu { top: auto; bottom: calc(100% + 6px); }
/* Na ekranie logowania menu wyrównane do prawej krawędzi przełącznika */
.login-lang .lang-menu { left: auto; right: 0; }

/* =========================================================================
   Powłoka: sidebar + main
   ========================================================================= */
.app-view {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  gap: 8px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 16px;
  font-weight: 700;
  font-size: 17px;
}
.brand-mark { color: var(--primary); display: inline-flex; }

.nav-menu { display: flex; flex-direction: column; gap: 14px; flex: 1; overflow-y: auto; }
.nav-section { display: flex; flex-direction: column; gap: 2px; }
.nav-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  padding: 4px 10px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 11px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}
.nav-item:hover { background: var(--bg-elev-2); color: var(--text); }
.nav-item.active { background: var(--info-soft); color: var(--primary); font-weight: 600; }
.nav-item .icon { color: currentColor; }

.sidebar-footer { border-top: 1px solid var(--border); padding-top: 12px; display: flex; flex-direction: column; gap: 10px; }
.user-box { display: flex; align-items: center; gap: 10px; padding: 0 4px; min-width: 0; }
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--primary); color: var(--primary-contrast);
  display: grid; place-items: center; font-weight: 700; font-size: 13px; flex: none;
}
.user-meta { min-width: 0; }
.user-name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-tenant { font-size: 12px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-roles { font-size: 12px; color: var(--text-faint); }
.sidebar-actions { display: flex; align-items: center; gap: 6px; }

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

.topbar {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--sidebar-bg);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
}
.topbar-brand { font-weight: 700; }

.content { padding: 26px 30px; max-width: 1320px; width: 100%; margin: 0 auto; }

.page { display: none; }
.page.active { display: block; }

/* =========================================================================
   Nagłówki stron / filtry / formularze
   ========================================================================= */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 14px; margin-bottom: 22px;
}
.page-title { font-size: 26px; font-weight: 700; margin: 0; }

.filters { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; }
/* Grupa przycisków (przełącznik kierunku / presety zakresu na pulpicie). */
.btn-row { display: inline-flex; flex-wrap: wrap; gap: 6px; align-items: center; }
/* W pasku filtrów przyciski kierunku mają wysokość pól (input ~41px), by linia dolna
   i górna równały się z selectami/datami zamiast „unosić się" nad nimi. */
.filters .btn-row .btn { min-height: 41px; }

.form { display: flex; flex-direction: column; gap: 16px; }
.form-inline { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; }
.form-hint { color: var(--text-muted); font-size: 13px; margin: -4px 0 0; }

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.inline { min-width: 150px; }
.form-group.grow { flex: 1; min-width: 240px; }
.form-group label { font-size: 12px; color: var(--text-muted); font-weight: 600; }

/* Ustawienia: kafelki grup układają się obok siebie (auto-fill), zamiast jednej kolumny
   kart na pełną szerokość — dzięki temu małe karty (jeden przełącznik) nie zjadają całego
   wiersza. W obrębie karty pola idą jedno pod drugim na pełną szerokość karty. */
.settings-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(340px, 100%), 1fr));
  gap: 20px;
  align-items: start;
  margin-bottom: 22px;
}
.settings-cards .section-card { margin-bottom: 0; }
.settings-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.settings-grid .form-group label { font-weight: 600; }
.settings-note {
  margin: 0 0 20px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.55;
  max-width: 70ch;
}

/* Branding: pola w responsywnej siatce, stopka maila na pełną szerokość. */
.branding-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr));
  gap: 16px 22px;
  align-items: start;
}

/* Branding: podgląd logo + akcje, próbnik koloru akcentu. */
.brand-logo-row { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.brand-logo-preview {
  max-width: 160px; max-height: 80px; object-fit: contain;
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 8px;
}
.brand-logo-empty {
  width: 160px; height: 80px; display: grid; place-items: center;
  color: var(--text-faint); font-size: 13px;
  background: var(--bg); border: 1px dashed var(--border); border-radius: 8px;
}
.brand-logo-actions { display: flex; flex-direction: column; gap: 8px; }
.brand-hint { font-size: 12px; color: var(--text-faint); }
.brand-accent-row { display: flex; align-items: center; gap: 8px; }
.brand-accent-row input[type="color"] {
  width: 38px; height: 34px; padding: 2px; flex: none; cursor: pointer;
}
.brand-accent-row input[type="text"] { flex: 1; min-width: 0; }

input, select, textarea {
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 9px 11px;
  transition: var(--transition);
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--info-soft);
}
input::placeholder { color: var(--text-faint); }
select { cursor: pointer; }

/* =========================================================================
   Karty / sekcje
   ========================================================================= */
.section-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 22px;
  overflow: hidden;
}
.section-card-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 18px; border-bottom: 1px solid var(--border);
}
.section-card-title { margin: 0; font-size: 16px; font-weight: 600; }
.section-card-body { padding: 18px; }
.section-card-body > .data-grid { margin: -18px; width: calc(100% + 36px); }
.filters-card .section-card-body,
.filters-card { padding: 0; }
.filters-card { padding: 16px 18px; }

/* =========================================================================
   KPI / statystyki
   ========================================================================= */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}
.stat-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.stat-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 8px; min-height: 34px; }
.stat-card-title {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); font-weight: 600;
}
.stat-card-icon { width: 34px; height: 34px; border-radius: var(--radius-sm); display: grid; place-items: center; background: var(--bg-elev-2); color: var(--text-muted); }
.stat-card-icon.tone-info { background: var(--info-soft); color: var(--info); }
.stat-card-value { font-size: 26px; font-weight: 700; margin-top: 8px; letter-spacing: -0.01em; }
.stat-card-hint { font-size: 12.5px; color: var(--text-muted); margin-top: 4px; }

/* =========================================================================
   Siatka pulpitu / wykresy
   ========================================================================= */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 22px;
}
.dashboard-grid .col-wide { grid-column: 1 / 2; margin-bottom: 0; }
.dashboard-grid .col-narrow { grid-column: 2 / 3; margin-bottom: 0; }
.dashboard-grid .col-full { grid-column: 1 / 3; margin-bottom: 0; }
.chart-box { position: relative; height: 320px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }

/* =========================================================================
   Pill / banner
   ========================================================================= */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: var(--radius-pill);
  font-size: 12px; font-weight: 600; line-height: 1.4;
  background: var(--bg-elev-2); color: var(--text-muted);
}
.pill-neutral { background: var(--bg-elev-2); color: var(--text-muted); }
.pill-success { background: var(--success-soft); color: var(--success); }
.pill-warning { background: var(--warning-soft); color: var(--warning); }
.pill-danger { background: var(--danger-soft); color: var(--danger); }
.pill-info { background: var(--info-soft); color: var(--info); }

.banner {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-radius: var(--radius-sm);
  margin-bottom: 18px; font-size: 13.5px;
  border: 1px solid transparent;
}
.banner .icon { flex: none; }
.banner-error { background: var(--danger-soft); color: var(--danger); border-color: var(--danger); }
.banner-warning { background: var(--warning-soft); color: var(--warning); border-color: var(--warning); }
.banner-success { background: var(--success-soft); color: var(--success); border-color: var(--success); }
.banner-info { background: var(--info-soft); color: var(--info); border-color: var(--info); }

/* =========================================================================
   Przyciski
   ========================================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 9px 15px;
  font-size: 14px; font-weight: 600; font-family: inherit;
  border-radius: var(--radius-sm); border: 1px solid transparent;
  cursor: pointer; transition: var(--transition); white-space: nowrap;
  background: none; color: var(--text);
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: var(--primary-contrast); }
.btn-primary:not(:disabled):hover { background: var(--primary-hover); }
.btn-outline { border-color: var(--border-strong); color: var(--text); }
.btn-outline:not(:disabled):hover { background: var(--bg-elev-2); }
.btn-ghost { color: var(--text-muted); }
.btn-ghost:not(:disabled):hover { background: var(--bg-elev-2); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:not(:disabled):hover { filter: brightness(1.08); }
.btn-sm { padding: 6px 11px; font-size: 13px; }
.btn-lg { padding: 12px 18px; font-size: 15px; }
.btn-icon {
  padding: 8px; color: var(--text-muted); border-radius: var(--radius-sm);
}
.btn-icon:not(:disabled):hover { background: var(--bg-elev-2); color: var(--text); }

/* =========================================================================
   Tabele (data-grid)
   ========================================================================= */
.data-grid-wrap { width: 100%; }
.data-grid { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.data-grid thead th {
  text-align: left; padding: 12px 16px;
  font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-faint); font-weight: 700;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
.data-grid tbody td { padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-grid tbody tr:last-child td { border-bottom: none; }
.data-grid tbody tr.row-clickable { cursor: pointer; }
.data-grid tbody tr.row-clickable:hover { background: var(--bg-elev-2); }
.th-sort {
  display: inline-flex; align-items: center; gap: 5px;
  background: none; border: none; padding: 0; cursor: pointer;
  font: inherit; color: inherit; text-transform: inherit; letter-spacing: inherit; font-weight: inherit;
}
.th-sort:hover { color: var(--text-muted); }
.th-sort.active { color: var(--primary); }
.cell-strong { font-weight: 600; color: var(--text); }
.cell-stack { display: flex; flex-direction: column; gap: 1px; }
.cell-sub { font-size: 12px; color: var(--text-faint); }
.data-grid-msg { text-align: center; color: var(--text-muted); padding: 32px 16px !important; }
.data-grid-msg.error { color: var(--danger); }

.data-grid-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; border-top: 1px solid var(--border); flex-wrap: wrap;
}
.data-grid-footer-left { display: flex; align-items: center; gap: 12px; }
.data-grid-count { font-size: 13px; color: var(--text-muted); }
.data-grid-footer-right { display: flex; align-items: center; gap: 16px; }
.page-size { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.page-size select { width: auto; padding: 5px 8px; }
.pager { display: flex; align-items: center; gap: 4px; }
.pager .btn-icon { font-size: 15px; line-height: 1; min-width: 32px; }
.pager-info { font-size: 13px; color: var(--text-muted); padding: 0 6px; }
.pager-total { font-size: 13px; color: var(--text-muted); white-space: nowrap; }

.role-select { width: auto; min-width: 110px; padding: 6px 8px; }

/* =========================================================================
   Pola szczegółów (faktura)
   ========================================================================= */
.field-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px 24px;
}
.field-label { font-size: 12px; color: var(--text-muted); margin-bottom: 3px; }
.field-value { font-size: 14.5px; color: var(--text); }
.detail-header { align-items: flex-start; }
.detail-title { display: flex; flex-direction: column; gap: 4px; }
.detail-title .btn { align-self: flex-start; margin-bottom: 4px; }
.detail-ksef { font-size: 13px; color: var(--text-muted); }
.detail-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* =========================================================================
   Pusty stan / szkielety / spinner
   ========================================================================= */
.empty-state { text-align: center; padding: 44px 20px; color: var(--text-muted); }
.empty-state-icon { color: var(--text-faint); margin-bottom: 10px; }
.empty-state-title { font-size: 16px; font-weight: 600; color: var(--text); }
.empty-state-body { margin-top: 4px; font-size: 13.5px; }
.empty-state .btn { margin-top: 16px; }

.skeleton { display: block; background: var(--bg-elev-2); border-radius: var(--radius-sm); position: relative; overflow: hidden; }
.skeleton::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.07), transparent);
  transform: translateX(-100%); animation: shimmer 1.3s infinite;
}
@keyframes shimmer { 100% { transform: translateX(100%); } }
.skeleton-text { height: 14px; width: 80%; }
.skeleton-block { width: 100%; }
.skeleton-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 22px; }

.spinner-wrap { display: inline-flex; align-items: center; gap: 10px; color: var(--text-muted); }
.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2.5px solid var(--border-strong); border-top-color: var(--primary);
  animation: spin 0.7s linear infinite; flex: none;
}
@keyframes spin { 100% { transform: rotate(360deg); } }
.page-loading { display: flex; justify-content: center; padding: 60px; }

/* =========================================================================
   Menu „⋯”
   ========================================================================= */
.overflow-menu { position: relative; display: inline-block; }
/* Fixed + pozycjonowane w JS (positionOverflowPop): ucieka spod `overflow:hidden`
   karty (.section-card), więc menu nie jest przycinane przy dolnej krawędzi. */
.overflow-pop {
  position: fixed; z-index: 100;
  min-width: 180px; padding: 6px;
  background: var(--bg-elev); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); box-shadow: var(--shadow);
  display: none; flex-direction: column;
}
.overflow-menu.open .overflow-pop { display: flex; }
.overflow-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 6px;
  background: none; border: none; cursor: pointer; font: inherit;
  color: var(--text); text-align: left; width: 100%;
}
.overflow-item:hover { background: var(--bg-elev-2); }
.overflow-item.danger { color: var(--danger); }
.overflow-item.danger:hover { background: var(--danger-soft); }
.overflow-sep { height: 1px; background: var(--border); margin: 5px 0; }

/* =========================================================================
   Toasty
   ========================================================================= */
.toast-container {
  position: fixed; right: 20px; bottom: 20px; z-index: 1000;
  display: flex; flex-direction: column; gap: 10px; max-width: 380px;
}
.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-radius: var(--radius-sm);
  background: var(--bg-elev); border: 1px solid var(--border-strong);
  box-shadow: var(--shadow); color: var(--text);
  opacity: 0; transform: translateX(20px); transition: 200ms ease;
}
.toast.toast-in { opacity: 1; transform: translateX(0); }
.toast.toast-out { opacity: 0; transform: translateX(20px); }
.toast-icon { flex: none; }
.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--danger); }
.toast-info .toast-icon { color: var(--info); }
.toast-msg { flex: 1; font-size: 13.5px; }
.toast-close { background: none; border: none; color: var(--text-faint); cursor: pointer; padding: 2px; display: inline-flex; }
.toast-close:hover { color: var(--text); }

/* =========================================================================
   Modale
   ========================================================================= */
.modal-overlay {
  position: fixed; inset: 0; z-index: 900;
  background: var(--overlay);
  display: flex; align-items: center; justify-content: center; padding: 20px;
  opacity: 0; transition: 150ms ease;
}
.modal-overlay.open { opacity: 1; }
.modal {
  width: 100%; max-width: 440px;
  background: var(--bg-elev); border: 1px solid var(--border-strong);
  border-radius: var(--radius); box-shadow: var(--shadow);
  transform: translateY(8px); transition: 150ms ease;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-sm { max-width: 360px; }
.modal-lg { max-width: 640px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.modal-title { margin: 0; font-size: 16px; font-weight: 600; }
.modal-body { padding: 18px; }
.modal-text { margin: 0; color: var(--text-muted); }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 18px; border-top: 1px solid var(--border); }

/* =========================================================================
   Responsywność
   ========================================================================= */
@media (max-width: 900px) {
  .app-view { grid-template-columns: 1fr; }
  .topbar { display: flex; }
  .sidebar {
    position: fixed; left: 0; top: 0; z-index: 50;
    width: 260px; transform: translateX(-100%); transition: transform var(--transition);
  }
  body.sidebar-open .sidebar { transform: translateX(0); }
  .content { padding: 18px 16px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .dashboard-grid .col-wide,
  .dashboard-grid .col-narrow,
  .dashboard-grid .col-full { grid-column: 1 / 2; }
  .field-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .stat-grid { grid-template-columns: 1fr; }
  .field-grid { grid-template-columns: 1fr; }
  .page-title { font-size: 22px; }
}

/* =========================================================================
   Ustawienia — zakładki, przełączniki, karty kanałów, pasek zapisu
   ========================================================================= */
.page-subtitle { margin: 4px 0 0; color: var(--text-muted); font-size: 13px; }

/* Ikona w nagłówku karty-sekcji (sectionCard({ icon })). */
.section-card-title { display: flex; align-items: center; gap: 9px; }
.section-card-title .icon { color: var(--primary); flex: none; }
.section-hint { margin: 0 0 16px; color: var(--text-muted); font-size: 13px; line-height: 1.55; max-width: 72ch; }

/* Zakładki */
.settings-tabs {
  display: flex; gap: 4px; margin-bottom: 22px;
  border-bottom: 1px solid var(--border); overflow-x: auto;
}
.settings-tab {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 14px; margin-bottom: -1px;
  background: transparent; border: none; border-bottom: 2px solid transparent;
  color: var(--text-muted); font-size: 14px; font-weight: 600;
  white-space: nowrap; cursor: pointer; transition: var(--transition);
}
.settings-tab:hover { color: var(--text); }
.settings-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.settings-tab .icon { flex: none; }

.settings-panel { display: none; }
.settings-panel.active { display: block; }
.settings-panel .section-card { margin-bottom: 20px; }
.settings-panel .banner { margin-bottom: 20px; }

/* Siatka pól (2 kolumny; pola span-2 i wąskie ekrany = 1 kolumna) */
.set-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px; align-items: start;
}
.set-grid .span-2 { grid-column: 1 / -1; }
@media (max-width: 640px) { .set-grid { grid-template-columns: 1fr; } }

/* Wiersz kompaktowych pól (NIP / Środowisko / Częstotliwość) — równe, zawijają się */
.set-row { display: flex; flex-wrap: wrap; gap: 16px 20px; align-items: start; }
.set-row > .form-group { flex: 1 1 220px; min-width: 0; }
@media (max-width: 640px) { .set-row > .form-group { flex: 1 1 100%; } }

.field-hint { font-size: 12px; color: var(--text-faint); }
.field-live {
  display: inline-flex; align-items: center; gap: 4px; margin-left: 8px;
  padding: 2px 7px; border-radius: var(--radius-pill);
  background: var(--success-soft); color: var(--success);
  font-size: 11px; font-weight: 600; text-transform: none;
}
.field-live .icon { flex: none; }

/* Suwak częstotliwości odpytywania (1–4 pobrań/godz.) — kompaktowy, jeden wiersz */
.freq-control { display: flex; align-items: center; gap: 12px; flex-wrap: nowrap; }
.freq-slider {
  flex: 0 1 180px; min-width: 110px; height: 4px; padding: 6px 0; margin: 0;
  accent-color: var(--primary); cursor: pointer; background: transparent;
}
.freq-readout {
  flex: none; white-space: nowrap;
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
@media (max-width: 640px) { .freq-slider { flex: 1 1 auto; } }

/* Przełącznik (Toggle) — wizualny track sterowany stanem checkboxa */
.switch { position: relative; display: inline-flex; flex: none; width: 42px; height: 24px; }
.switch-input {
  position: absolute; inset: 0; width: 100%; height: 100%;
  margin: 0; padding: 0; opacity: 0; cursor: pointer; z-index: 1;
}
.switch-track {
  position: absolute; inset: 0; border-radius: var(--radius-pill);
  background: var(--bg-elev-2); border: 1px solid var(--border-strong);
  transition: var(--transition);
}
.switch-track::after {
  content: ''; position: absolute; top: 50%; left: 3px; transform: translateY(-50%);
  width: 16px; height: 16px; border-radius: 50%; background: #fff;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3); transition: var(--transition);
}
.switch-input:checked + .switch-track { background: var(--primary); border-color: var(--primary); }
.switch-input:checked + .switch-track::after { left: calc(100% - 19px); }
.switch-input:focus-visible + .switch-track { box-shadow: 0 0 0 3px var(--info-soft); }
.switch-wrap { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; }
.switch-wrap > span { font-size: 13px; color: var(--text-muted); }

/* Wiersze preferencji (Toggle rows) */
.toggle-list { display: flex; flex-direction: column; gap: 12px; }
.toggle-row {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg); cursor: pointer; transition: var(--transition);
}
.toggle-row:hover { border-color: var(--border-strong); }
.toggle-row-icon {
  display: grid; place-items: center; width: 36px; height: 36px; flex: none;
  border-radius: var(--radius-sm); background: var(--bg-elev-2); color: var(--text-muted);
}
.toggle-row-text { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.toggle-row-title { display: flex; align-items: center; font-weight: 600; color: var(--text); }
.toggle-row-desc { font-size: 12.5px; color: var(--text-muted); }

/* Karty kanałów — pola rozwijane po włączeniu (CSS :has) */
.channel-list { display: flex; flex-direction: column; gap: 12px; }
.channel-card {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg); overflow: hidden; transition: var(--transition);
}
.channel-card:has(.channel-switch:checked) { border-color: var(--border-strong); background: var(--bg-elev); }
.channel-head { display: flex; align-items: center; gap: 14px; padding: 14px 16px; cursor: pointer; }
.channel-icon {
  display: grid; place-items: center; width: 38px; height: 38px; flex: none;
  border-radius: var(--radius-sm); background: var(--bg-elev-2); color: var(--text-muted);
  transition: var(--transition);
}
.channel-card:has(.channel-switch:checked) .channel-icon { background: var(--info-soft); color: var(--primary); }
.channel-meta { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.channel-title { font-weight: 600; }
.channel-desc { font-size: 12.5px; color: var(--text-muted); }
.channel-body {
  display: grid; grid-template-rows: 0fr; opacity: 0;
  transition: grid-template-rows 0.28s ease, opacity 0.2s ease;
}
.channel-card:has(.channel-switch:checked) .channel-body { grid-template-rows: 1fr; opacity: 1; }
.channel-body-inner { overflow: hidden; display: flex; flex-direction: column; gap: 14px; }
.channel-card:has(.channel-switch:checked) .channel-body-inner {
  padding: 4px 16px 16px; border-top: 1px solid var(--border);
}

/* Pole sekretu — ikona tarczy + przełącznik pokaż/ukryj */
.secret-field { position: relative; }
.secret-field .secret-lead {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  color: var(--text-faint); display: inline-flex; pointer-events: none;
}
.secret-field input { padding-left: 34px; padding-right: 40px; }
.secret-toggle {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  padding: 6px; background: transparent; border: none; cursor: pointer;
  color: var(--text-muted); border-radius: var(--radius-sm); display: inline-flex;
}
.secret-toggle:hover { color: var(--text); background: var(--bg-elev-2); }

/* Globalny pasek zapisu — widoczny tylko przy niezapisanych zmianach */
.save-bar {
  position: sticky; bottom: 16px; z-index: 30; margin-top: 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px 16px; border: 1px solid var(--border-strong); border-radius: var(--radius);
  background: var(--bg-elev); box-shadow: var(--shadow);
  opacity: 0; transform: translateY(12px); pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.save-bar.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.save-bar-msg { font-size: 14px; color: var(--text); }
.save-bar-actions { display: inline-flex; gap: 10px; }
@media (max-width: 560px) {
  .save-bar { flex-direction: column; align-items: stretch; }
  .save-bar-actions { justify-content: flex-end; }
}

/* --- Raporty --- */
/* Poziomy scroll dla szerokich tabel (ranking kontrahentów / największe faktury). */
.table-scroll { overflow-x: auto; }
.table-scroll .data-grid { min-width: 640px; }

/* Kalendarz-heatmapa (styl GitHub: tygodnie w kolumnach, dni w wierszach). */
.heatmap-scroll { overflow-x: auto; padding-bottom: 4px; }
.heatmap { display: inline-flex; gap: 3px; }
.hm-week { display: flex; flex-direction: column; gap: 3px; }
.hm-cell { width: 13px; height: 13px; border-radius: 3px; background: var(--bg-elev-2); }
.hm-cell.hm-empty { background: transparent; }
.hm-l0 { background: var(--bg-elev-2); }
.hm-l1 { background: color-mix(in srgb, var(--accent) 28%, var(--bg-elev-2)); }
.hm-l2 { background: color-mix(in srgb, var(--accent) 52%, var(--bg-elev-2)); }
.hm-l3 { background: color-mix(in srgb, var(--accent) 76%, var(--bg-elev-2)); }
.hm-l4 { background: var(--accent); }
.hm-legend { display: flex; align-items: center; gap: 4px; margin-top: 10px; font-size: 12px; color: var(--text-muted); }
.hm-legend .hm-cell { display: inline-block; }