/* ==========================================================
   PAN DOMU - Style CSS
   Projektowany pod kątem 100% Dostępności (WCAG 2.1 AAA)
   oraz nowoczesnego, minimalistycznego wyglądu na mobile i desktop
   ========================================================== */

:root {
  --bg-primary: #121820;
  --bg-surface: #1a2332;
  --bg-surface-hover: #222e42;
  --border-color: #2e3e56;
  --text-primary: #f0f4f8;
  --text-secondary: #9cb0c9;
  --text-muted: #6b829e;
  
  --accent-blue: #3b82f6;
  --accent-blue-hover: #2563eb;
  --accent-green: #10b981;
  --accent-green-hover: #059669;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;

  --focus-ring: #60a5fa;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --touch-target: 48px;
}

/* Reset i bazy */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-base);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  font-size: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Dostępność: widoczny fokus klawiatury dla NVDA / TalkBack */
*:focus-visible {
  outline: 3px solid var(--focus-ring) !important;
  outline-offset: 3px !important;
}

/* Klasa dla elementów dostępnych TYLKO dla czytnika ekranu */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link dla szybkiego przeskoku klawiaturą */
.skip-link {
  position: absolute;
  top: -60px;
  left: 10px;
  background: var(--accent-blue);
  color: #ffffff;
  padding: 12px 18px;
  font-weight: bold;
  z-index: 9999;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 10px;
}

/* Nagłówek aplikacji */
header.app-header {
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--border-color);
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.sync-badge {
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 20px;
  background-color: var(--bg-surface-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* Pasek zakładek nawigacji (4 zakładki) */
nav.tabs-nav {
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
}
nav.tabs-nav::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  flex: 1;
  min-width: 90px;
  min-height: var(--touch-target);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.tab-btn[aria-selected="true"] {
  color: #ffffff;
  border-bottom-color: var(--accent-blue);
  background-color: rgba(59, 130, 246, 0.08);
}

.badge-counter {
  background-color: var(--accent-blue);
  color: #ffffff;
  font-size: 0.75rem;
  padding: 2px 7px;
  border-radius: 12px;
  font-weight: bold;
}

.badge-counter.alert {
  background-color: var(--accent-amber);
  color: #000000;
}

/* Główny kontener treści */
main#main-content {
  flex: 1;
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
  padding: 16px;
}

.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}

/* Pasek akcji na górze zakładki */
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.panel-title {
  font-size: 1.2rem;
  font-weight: 700;
}

/* Przyciski standardowe */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-target);
  min-width: var(--touch-target);
  padding: 10px 18px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent-blue);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--accent-blue-hover);
}

.btn-secondary {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-danger {
  background-color: transparent;
  color: var(--accent-red);
  border-color: var(--accent-red);
}
.btn-danger:hover {
  background-color: var(--accent-red);
  color: #ffffff;
}

.btn-sm {
  min-height: 36px;
  padding: 6px 12px;
  font-size: 0.85rem;
}

/* Lista zadań - liniowa, jedno pod drugim */
ul.linear-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

li.task-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: transform 0.15s ease, opacity 0.2s ease;
}

li.task-item:hover {
  background-color: var(--bg-surface-hover);
}

/* Checkbox dla zadań (duży cel dotykowy) */
.task-checkbox-container {
  min-width: 32px;
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

input[type="checkbox"].task-checkbox {
  width: 26px;
  height: 26px;
  cursor: pointer;
  accent-color: var(--accent-green);
}

.task-content {
  flex: 1;
}

.task-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
}

.task-meta {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.badge-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 6px;
  background-color: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
}

.badge-overdue {
  background-color: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  border-color: var(--accent-red);
}

.badge-today {
  background-color: rgba(245, 158, 11, 0.2);
  color: #fde68a;
  border-color: var(--accent-amber);
}

.badge-upcoming {
  background-color: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
  border-color: var(--accent-blue);
}

.task-actions {
  display: flex;
  gap: 6px;
  align-self: center;
}

/* Pusty stan listy */
.empty-state {
  text-align: center;
  padding: 36px 16px;
  background-color: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-color);
  color: var(--text-secondary);
}

.empty-state p {
  margin-bottom: 16px;
}

/* Gwarancje - karty w liście */
li.warranty-item {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.warranty-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.warranty-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
}

.warranty-details {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Formularze i modale dostępne */
dialog.accessible-modal {
  margin: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  padding: 24px;
  max-width: 520px;
  width: 90%;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.7);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.form-group {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label.form-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

input.form-control, select.form-control, textarea.form-control {
  min-height: var(--touch-target);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: #ffffff;
  padding: 8px 12px;
  font-size: 1rem;
  font-family: inherit;
}

input.form-control:focus, select.form-control:focus, textarea.form-control:focus {
  border-color: var(--accent-blue);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 24px;
}

/* Ustawienia i zwijana sekcja Pomocy */
.settings-section {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 16px;
}

.settings-section h3 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: #ffffff;
}

details.help-details {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-top: 16px;
  overflow: hidden;
}

details.help-details summary {
  padding: 14px 16px;
  font-weight: 700;
  cursor: pointer;
  background-color: var(--bg-surface-hover);
  color: #ffffff;
  min-height: var(--touch-target);
  display: flex;
  align-items: center;
}

details.help-details .help-body {
  padding: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
}

details.help-details .help-body h4 {
  color: #ffffff;
  margin: 14px 0 6px 0;
}

details.help-details .help-body ul {
  padding-left: 20px;
  margin-bottom: 10px;
}

/* Powiadomienia tostowe (dla wzroku + odczytywane przez aria-live) */
.toast-box {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #0f172a;
  border: 1px solid var(--accent-green);
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  font-weight: 600;
  z-index: 1000;
  display: none;
}