:root {
  --sidebar-width: 240px;
  --primary: #2596be;
  --primary-dark: #1a7a9e;
}

/* ── Login ── */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f0f7fa;
  position: relative;
}

#bgCanvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.login-card {
  width: 100%;
  max-width: 860px;
  display: flex;
  border: none;
  border-radius: 0;
  box-shadow: 0 8px 40px rgba(0,0,0,.14);
  overflow: hidden;
  min-height: 520px;
  position: relative;
  z-index: 1;
}

/* ── Login – left image panel ── */
.login-image-panel {
  width: 42%;
  background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 2.5rem 2rem 2rem;
  position: relative;
  flex-shrink: 0;
}

.login-image-panel .login-brand h2 {
  color: #fff;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: .5px;
  margin: 0 0 .25rem;
}

.login-image-panel .login-brand p {
  color: rgba(255,255,255,.65);
  font-size: .8rem;
  margin: 0;
  text-align: center;
}

.tutor-image {
  position: fixed;
  bottom: -132px;
  left: 0;
  width: 570px;
  display: block;
  margin: 0;
  padding: 0;
  pointer-events: none;
  z-index: 0;
}

.login-image-panel .login-panel-footer {
  color: rgba(255,255,255,.4);
  font-size: .7rem;
  text-align: center;
}

/* ── Login – right form panel ── */
.login-form-panel {
  flex: 1;
  background: #fff;
  padding: 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.login-form-panel .login-heading {
  font-size: 1.4rem;
  font-weight: 700;
  color: #0f172a;
  margin: 0 0 .35rem;
}

.login-form-panel .login-subheading {
  font-size: .85rem;
  color: #64748b;
  margin: 0 0 2rem;
}

.login-form-panel .form-control {
  border-radius: 0;
  border-color: #cbd5e1;
}

.login-form-panel .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,150,190,.15);
}

.login-form-panel .btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  border-radius: 0;
}

.login-form-panel .btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

/* ── Layout ── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: #0f3a4d;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform .2s ease;
}

/* ── Responsywność telefonów — sidebar chowany poza ekran <992px, otwierany
   przyciskiem-hamburgerem wstrzykiwanym przez js/sidebar.js do .topbar każdej strony (bez
   ręcznej edycji 18 plików .html — ten sam wzorzec centralizacji co reszta sidebar.js) +
   przyciemnione tło zamykające po kliknięciu obok. ── */
.sidebar-toggle-btn {
  display: none;
  border: none;
  background: none;
  font-size: 1.35rem;
  color: #334155;
  padding: 0 .5rem 0 0;
  line-height: 1;
}

[data-bs-theme="dark"] .sidebar-toggle-btn { color: #e2e8f0; }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.5);
  z-index: 99;
}

.sidebar-overlay.open { display: block; }

.sidebar-brand {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.sidebar-brand h5 {
  color: #fff;
  margin: 0;
  font-weight: 700;
  letter-spacing: .5px;
}

.sidebar-brand small {
  color: rgba(255,255,255,.5);
  font-size: .75rem;
}

.sidebar-nav {
  flex: 1;
  padding: .75rem 0;
  overflow-y: auto;
}

.sidebar-nav .nav-link {
  color: rgba(255,255,255,.7);
  padding: .65rem 1.5rem;
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .875rem;
  transition: all .15s;
  border-left: 3px solid transparent;
}

.sidebar-nav .nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,.06);
}

.sidebar-nav .nav-link.active {
  color: #fff;
  background: rgba(255,255,255,.1);
  border-left-color: var(--primary);
}

.sidebar-nav .nav-link i {
  width: 18px;
  text-align: center;
}

.sidebar-section {
  padding: .5rem 1.5rem .25rem;
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: rgba(255,255,255,.3);
  margin-top: .5rem;
}

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,.1);
}

/* ── Main content ── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: #f8fafc;
}

.topbar {
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  padding: .875rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #0f172a;
  margin: 0;
}

.page-body {
  padding: 1.75rem;
  flex: 1;
}

/* ── Responsywnosc telefonow ─ sidebar chowany poza ekran <992px, otwierany
   przyciskiem-hamburgerem wstrzykiwanym przez js/sidebar.js do .topbar kazdej strony (bez
   recznej edycji 18 plikow .html ─ ten sam wzorzec centralizacji co reszta sidebar.js) +
   przyciemnione tlo zamykajace po kliknieciu obok. ── */
@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .sidebar-toggle-btn { display: inline-block; }
}

@media (max-width: 767.98px) {
  .page-body { padding: 1rem; }
  .topbar { padding: .75rem 1rem; flex-wrap: wrap; gap: .5rem; }
}

/* ── Role badge ── */
.badge-owner   { background: #7c3aed; }
.badge-manager { background: #0891b2; }
.badge-tutor   { background: #059669; }

/* ── Users table ── */
.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  font-weight: 600;
}

/* ── "Utraciłeś dostęp?" (2FA) — box z danymi kontaktowymi na stronie logowania ── */
.recovery-info-box {
  background: #f8fafc;
  border-radius: 8px;
  color: #6c757d;
}

/* ── Dark mode ── */
[data-bs-theme="dark"] .login-wrapper { background: #0b1220; }

[data-bs-theme="dark"] .recovery-info-box { background: #0f172a; color: #94a3b8; }
[data-bs-theme="dark"] .recovery-info-box strong { color: #e2e8f0; }

[data-bs-theme="dark"] .login-form-panel { background: #16213a; }

[data-bs-theme="dark"] .login-form-panel .login-heading { color: #e2e8f0; }

[data-bs-theme="dark"] .login-form-panel .login-subheading { color: #94a3b8; }

[data-bs-theme="dark"] .login-form-panel .form-control {
  background: #0f172a;
  border-color: #334155;
  color: #e2e8f0;
}

[data-bs-theme="dark"] .login-form-panel .form-control::placeholder { color: #64748b; }

[data-bs-theme="dark"] .login-form-panel .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,150,190,.25);
}

[data-bs-theme="dark"] .main-content { background: #0b1220; }

[data-bs-theme="dark"] .topbar {
  background: #16213a;
  border-bottom-color: #232f47;
}

[data-bs-theme="dark"] .topbar-title { color: #e2e8f0; }

/* .table-light nagłówki (używane na każdej stronie z listą — uczniowie, leady, ewidencja
   godzin, itd.) mają wymuszony jasny kolor przez Bootstrap niezależnie od motywu strony —
   bez tego nadpisania zostaje biała plama na czarnym tle. */
[data-bs-theme="dark"] .table-light {
  --bs-table-bg: #16213a;
  --bs-table-color: #e2e8f0;
  --bs-table-border-color: #2b3b57;
  background-color: #16213a;
  color: #e2e8f0;
}

/* Ta sama sytuacja co .table-light — .bg-white (nagłówki/stopki kart w panelach szczegółów,
   wrapper ikony w polach wyszukiwania) to utility Bootstrapa z !important, więc bez własnego
   !important nie da się jej przebić w trybie ciemnym. */
[data-bs-theme="dark"] .bg-white {
  background-color: #16213a !important;
}