/* Krzywe easingu używane w animacjach - skopiowane z open-props
   (easings.css, v1.x), żeby nie ładować CSS z zewnętrznego hosta. */
:root {
  --ease-3: cubic-bezier(0.25, 0, 0.3, 1);
  --ease-out-5: cubic-bezier(0, 0, 0, 1);
  --ease-elastic-3: cubic-bezier(0.5, 1.25, 0.75, 1.25);
  --ease-elastic-4: cubic-bezier(0.5, 1.5, 0.75, 1.25);
}

/* --- FUNDAMENTY --- */
* {
  box-sizing: border-box;
}

/* Zmienne kolorów dla jasnego i ciemnego trybu */
:root {
  --bg-primary: #f4f4f9;
  --bg-secondary: #fff;
  --text-primary: #333;
  --text-secondary: #666;
  --border-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.08);
  --hover-bg: #f0f0f5;
  --icon-fill: #333;
  --icon-fill-hover: #1976d2;
}

/* Ciemny tryb */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1e1e1e;
    --bg-secondary: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --border-color: #444;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --hover-bg: #3a3a3a;
    --icon-fill: #e0e0e0;
    --icon-fill-hover: #64b5f6;
  }
}

html[data-theme="dark"] {
  --bg-primary: #1e1e1e;
  --bg-secondary: #2d2d2d;
  --text-primary: #e0e0e0;
  --text-secondary: #b0b0b0;
  --border-color: #444;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --hover-bg: #3a3a3a;
  --icon-fill: #e0e0e0;
  --icon-fill-hover: #64b5f6;
}

html[data-theme="light"] {
  --bg-primary: #f4f4f9;
  --bg-secondary: #fff;
  --text-primary: #333;
  --text-secondary: #666;
  --border-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.08);
  --hover-bg: #f0f0f5;
  --icon-fill: #333;
  --icon-fill-hover: #1976d2;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 100vh;
  margin: 0;
  padding: 20px;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

h1 {
  display: none;
}

/* --- KONTENER GŁÓWNY (GRID) --- */
.container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 25px;
  width: 100%;
  max-width: 1600px;
  margin: 20px auto;
}

/* --- KAFELEK GENERATORA --- */
.generator-tile {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  box-shadow: 0 4px 12px var(--shadow-color);
  border: 1px solid var(--border-color);
  padding: 24px;
  display: flex;
  flex-direction: column;
  height: auto;
  transition:
    background-color 0.3s ease,
    border-color 0.3s ease;
}

h2 {
  color: var(--text-primary);
  margin: 0 0 20px 0;
  font-size: 1.4rem;
  font-weight: 600;
  transition: color 0.3s ease;
}

/* --- SEKCJA WYNIKÓW I IKONA KOPIOWANIA --- */
.output-label {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.generated-output {
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  font-weight: bold;
  line-height: 1.2;
  margin: 12px 0 12px 0;
  padding: 20px 10px;
  width: 100%;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
  transition: background-color 0.2s;
  position: relative; /* Potrzebne do ikony */
}

.output-info {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-align: center;
  margin: 0 0 20px 0;
  padding: 8px;
  font-weight: 500;
  transition: color 0.3s ease;
}

.output-info.invalid-warning {
  color: #b45309;
  font-weight: 700;
}

/* --- INFOTIPY: struktura generowanych danych (static/infotips.js) --- */
/* Selektory z nazwą tagu (button.infotip-btn) celowo - muszą wygrać z
   ogólnym `button { width: 100%; ... }` i `button:last-of-type`. */
button.infotip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35em;
  height: 1.35em;
  margin: 0 0 0 10px;
  padding: 0;
  vertical-align: middle;
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-size: 0.8em;
  font-weight: 700;
  line-height: 1;
  color: var(--icon-fill-hover);
  background: transparent;
  border: 2px solid currentColor;
  border-radius: 50%;
  cursor: help;
  opacity: 0.85;
  transition:
    opacity 0.2s ease,
    background-color 0.2s ease,
    color 0.2s ease,
    transform 0.2s ease;
}

button.infotip-btn:hover,
button.infotip-btn[aria-expanded="true"] {
  opacity: 1;
  color: #fff;
  background-color: var(--icon-fill-hover);
  filter: none;
  transform: scale(1.08);
}

.draggable-item button.infotip-btn,
.format-option button.infotip-btn {
  font-size: 0.75rem;
  margin-left: 8px;
}

.infotip-popover {
  position: fixed;
  z-index: 900;
  width: min(430px, calc(100vw - 24px));
  padding: 16px 18px 14px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 12px 32px var(--shadow-color), 0 2px 8px var(--shadow-color);
  text-align: left;
  font-size: 0.88rem;
  line-height: 1.45;
  opacity: 0;
  transform: translateY(-4px);
  transition:
    opacity 0.16s ease,
    transform 0.16s ease;
  pointer-events: auto;
}

.infotip-popover.infotip-visible {
  opacity: 1;
  transform: translateY(0);
}

.infotip-popover[data-placement="above"] {
  transform: translateY(4px);
}

.infotip-popover[data-placement="above"].infotip-visible {
  transform: translateY(0);
}

/* Strzałka wskazująca przycisk "i" (pozycja z --arrow-x ustawiana w JS). */
.infotip-popover::before {
  content: "";
  position: absolute;
  left: var(--arrow-x, 50%);
  width: 12px;
  height: 12px;
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  border-top: 1px solid var(--border-color);
  transform: translate(-50%, -50%) rotate(45deg);
  top: 0;
}

.infotip-popover[data-placement="above"]::before {
  top: auto;
  bottom: 0;
  transform: translate(-50%, 50%) rotate(225deg);
}

.infotip-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}

.infotip-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

button.infotip-close {
  width: 28px;
  height: 28px;
  margin: -4px -6px 0 0;
  padding: 0;
  flex-shrink: 0;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: 50%;
  cursor: pointer;
}

button.infotip-close:hover {
  color: var(--text-primary);
  background-color: var(--hover-bg);
  filter: none;
  transform: none;
}

.infotip-subtitle {
  margin: 0 0 12px;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.infotip-segments {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 4px;
  margin: 0 0 12px;
  padding: 12px 10px 8px;
  background-color: var(--bg-primary);
  border-radius: 10px;
}

.infotip-seg {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.infotip-seg-chars {
  --seg-bg: rgba(127, 127, 127, 0.16);
  --seg-bg: color-mix(in srgb, var(--seg-color) 18%, transparent);
  padding: 6px 8px;
  font-family: "Courier New", monospace;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--seg-color);
  background-color: var(--seg-bg);
  border-bottom: 3px solid var(--seg-color);
  border-radius: 6px 6px 3px 3px;
  white-space: nowrap;
}

.infotip-seg-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--seg-color);
  white-space: nowrap;
}

.infotip-points {
  margin: 0 0 12px;
  padding-left: 18px;
}

.infotip-points li {
  margin-bottom: 4px;
}

.infotip-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 10px;
  border-top: 1px solid var(--border-color);
}

.infotip-link {
  color: var(--icon-fill-hover);
  font-weight: 600;
  text-decoration: none;
}

.infotip-link::after {
  content: " ↗";
  font-weight: 400;
}

.infotip-link:hover {
  text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
  .infotip-popover,
  button.infotip-btn {
    transition: none;
  }
}

/* Ikona schowka (📋) */
.generated-output::after {
  content: " 📋";
  font-size: 1.2rem;
  opacity: 0.3;
  margin-left: 10px;
  transition: opacity 0.3s ease;
}

.generated-output:hover::after {
  opacity: 1;
}

/* Kolory wyników */
#peselOutput {
  color: #2e7d32;
  background-color: #edf7ed;
}
#idOutput {
  color: #1565c0;
  background-color: #e3f2fd;
}
#nrbOutput {
  color: #e65100;
  background-color: #fff3e0;
}
#nameOutput {
  color: #7b1fa2;
  background-color: #f3e5f5;
}
#surnameOutput {
  color: #7b1fa2;
  background-color: #f3e5f5;
}
#regonOutput {
  color: #37474f;
  background-color: #eceff1;
  font-size: 1.8rem;
}

.generated-output:hover {
  filter: brightness(0.95);
}

/* --- PRZYCISKI --- */
button {
  padding: 14px 20px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  width: 100%;
  margin: 8px 0;
  transition:
    background-color 0.3s ease,
    filter 0.3s ease,
    transform 0.2s ease;
}

button:last-of-type {
  margin-top: auto;
}

#generateBtn,
#openPeselOptionsBtn {
  background-color: #2e7d32;
}
#peselOkBtn,
#nrbOkBtn {
  background-color: #2e7d32;
}
#generateIdBtn {
  background-color: #1976d2;
}
#generateNrbBtn,
#openNrbOptionsBtn {
  background-color: #ef6c00;
}
#generateNameBtn {
  background-color: #8e24aa;
}
#generateRegonBtn {
  background-color: #546e7a;
}

button:hover {
  filter: brightness(0.9);
  transform: scale(1.02);
}

/* Delikatne tactile feedback przy kliknięciu - pomija duże bloki wyjściowe
   (.generated-output), gdzie skalowanie powodowałoby zauważalne szarpnięcie. */
button:active:not(:disabled),
.nav-button:active,
.close-btn:active {
  transform: scale(0.98);
}

/* --- MODAL (POPUP USTAWIEŃ) --- */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  background-color: var(--bg-secondary);
  margin: 10% auto;
  padding: 30px;
  border-radius: 12px;
  width: 90%;
  max-width: 450px;
  box-shadow: 0 10px 25px var(--shadow-color);
  animation: animatetop 0.4s;
  position: relative;
}

@keyframes animatetop {
  from {
    top: -200px;
    opacity: 0;
  }
  to {
    top: 0;
    opacity: 1;
  }
}

.close-btn {
  position: absolute;
  right: 20px;
  top: 15px;
  color: var(--text-secondary);
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
}

.close-btn:hover {
  color: var(--text-primary);
}

.close-btn:focus-visible {
  outline: 2px solid var(--icon-fill-hover);
  outline-offset: 4px;
}

/* --- KOMUNIKAT O SKOPIOWANIU (TOAST) --- */
.copy-message {
  visibility: hidden;
  min-width: 250px;
  background-color: #333;
  color: #fff;
  text-align: center;
  border-radius: 50px; /* Zaokrąglony kształt pigułki */
  padding: 16px;
  position: fixed;
  z-index: 2000;
  left: 50%;
  bottom: 30px;
  transform: translate(-50%, 20px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition:
    opacity 0.4s ease,
    visibility 0.4s ease,
    transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.copy-message.show {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, 0);
}

/* --- RESPONSYWNOŚĆ --- */
@media (min-width: 768px) {
  .container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .container {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- STOPKA --- */
footer {
  width: 100%;
  text-align: center;
  padding: 30px 20px;
  margin-top: 50px;
  border-top: 1px solid #e0e0e0;
  color: #666;
  font-size: 0.9rem;
}

footer a {
  color: #1976d2;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 10px;
  transition: color 0.3s;
}

footer a:hover {
  color: #1565c0;
}

footer a svg {
  width: 18px;
  height: 18px;
}

/* Style dla rozdzielonych pól imienia i nazwiska */
.name-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin: 15px 0;
}

.name-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: #666;
  text-align: left;
}

.name-field .generated-output {
  margin: 0;
  padding: 12px 10px;
  font-size: 1.8rem;
}

/* Opcje formularzy */
.generator-options {
  display: flex;
  flex-direction: column;
  gap: 15px;
  text-align: left;
}
.option-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 10px;
}
.option-group label {
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--text-primary);
  transition: color 0.3s ease;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
  margin: 0;
  padding: 0;
  border: initial;
  cursor: pointer;
  width: auto;
  flex-shrink: 0;
}
.field-hint {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-secondary);
  margin: 4px 0 0 0;
}
select,
input {
  padding: 12px;
  margin-bottom: 8px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition:
    border-color 0.3s ease,
    background-color 0.3s ease,
    color 0.3s ease;
}

select:focus-visible,
input:focus-visible {
  outline: 2px solid var(--icon-fill-hover);
  outline-offset: 2px;
  border-color: #1976d2;
}

/* Specyficzny układ dla NRB */
.nrb-tile .generated-output {
  font-size: clamp(1rem, 3vw, 1.5rem);
  overflow-x: auto;
  white-space: nowrap;
}

/* --- WALIDATOR --- */
.validator-input-group {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.validator-input-group input {
  flex: 1;
  min-width: 200px;
  padding: 12px;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.3s;
}

.validator-input-group input:focus-visible {
  outline: 2px solid var(--icon-fill-hover);
  outline-offset: 2px;
  border-color: #1976d2;
}

.validator-input-group input[aria-invalid="true"] {
  border-color: #c62828 !important;
}

.validator-input-group input[aria-invalid="true"]:focus-visible {
  outline-color: #c62828 !important;
}

.validator-input-group button {
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  background-color: #1976d2;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  white-space: nowrap;
  width: auto;
  margin: 8px 0;
  flex-shrink: 0;
  transition:
    background-color 0.3s ease,
    filter 0.3s ease,
    transform 0.2s ease;
}

.validator-input-group button:hover {
  background-color: #1565c0;
}

.validator-result {
  padding: 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  min-height: 60px;
  display: block;
  text-align: center;
  line-height: 1.8;
  white-space: pre-line;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.validator-result.valid {
  background-color: #edf7ed;
  color: #2e7d32;
  border: 2px solid #2e7d32;
}

.validator-result.invalid {
  background-color: #ffebee;
  color: #c62828;
  border: 2px solid #c62828;
}

/* --- THEME SWITCH --- */
.theme-switch {
  display: flex;
  align-items: center;
}

.theme-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  position: relative;
}

.theme-checkbox {
  display: none;
}

.theme-toggle-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 1.5rem;
  padding: 8px;
  background-color: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition:
    transform 0.3s ease,
    background-color 0.3s ease,
    border-color 0.3s ease;
}

.theme-toggle-button:hover {
  background-color: var(--hover-bg);
  transform: scale(1.1);
}

.theme-checkbox:checked + .theme-toggle-button {
  transform: rotate(20deg) scale(1.1);
}

.theme-checkbox:checked + .theme-toggle-button::after {
  content: " ☀️";
}

.button-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 30px 0;
  width: 100%;
  max-width: 1600px;
  flex-wrap: wrap;
  justify-content: space-between;
}

.nav-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.nav-button {
  display: inline-block;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background-color: #666;
  border-radius: 6px;
  text-decoration: none;
  transition:
    background-color 0.3s ease,
    filter 0.3s ease,
    transform 0.2s ease;
}

.nav-button:hover {
  background-color: #555;
  transform: scale(1.02);
}

/* Bieżąca strona w nawigacji - wyróżniona kolorem akcentu i nieklikalna
   wizualnie, żeby od razu było widać, gdzie się jest. */
.nav-button[aria-current="page"] {
  background-color: #1976d2;
  box-shadow: inset 0 -3px 0 rgba(255, 255, 255, 0.45);
  cursor: default;
  pointer-events: none;
}

.nav-button[aria-current="page"]:hover {
  background-color: #1976d2;
  transform: none;
}

/* --- GENERATOR ZBIORÓW DANYCH --- */
.dataset-generator-tile {
  background-color: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 25px;
}

.dataset-generator-tile h2 {
  color: var(--text-primary);
  font-size: 1.4rem;
  margin-bottom: 20px;
  margin-top: 0;
}

.dataset-generator-tile h3 {
  color: var(--text-primary);
  font-size: 1.1rem;
  margin-top: 16px;
  margin-bottom: 12px;
}

/* Panel kontrolny na górze */
.control-panel {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 24px;
}

.control-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.control-field {
  display: flex;
  flex-direction: column;
}

.control-field label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.control-field input[type="number"] {
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
}

.format-selection,
.separator-selection {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.format-option,
.separator-option {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.format-option input[type="radio"],
.separator-option input[type="radio"],
.format-option input[type="checkbox"] {
  cursor: pointer;
}

/* --- GENERATOR HASEŁ --- */
.length-control {
  display: flex;
  align-items: center;
  gap: 12px;
}

.length-control input[type="range"] {
  flex: 1;
  margin-bottom: 0;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.length-value {
  font-weight: 700;
  min-width: 2.5em;
  text-align: center;
  color: var(--text-primary);
}

.password-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 16px;
}

.password-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  background-color: var(--bg-primary);
}

.password-output {
  font-size: 1.15rem;
  font-family: "Courier New", monospace;
  font-weight: 600;
  letter-spacing: 0.5px;
  white-space: normal;
  word-break: break-all;
  text-align: left;
  min-height: auto;
  margin: 0;
  padding: 4px 8px;
  flex: 1 1 220px;
  justify-content: flex-start;
}

.password-strength {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 50px;
  white-space: nowrap;
}

.password-strength.very-weak {
  background-color: #ffebee;
  color: #c62828;
}

.password-strength.weak {
  background-color: #fff3e0;
  color: #e65100;
}

.password-strength.medium {
  background-color: #fff8e1;
  color: #ef6c00;
}

.password-strength.strong {
  background-color: #edf7ed;
  color: #2e7d32;
}

.password-strength.very-strong {
  background-color: #e3f2fd;
  color: #1565c0;
}

.control-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary {
  padding: 12px 20px;
  font-size: 1rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition:
    background-color 0.3s ease,
    opacity 0.3s ease;
  font-weight: 600;
}

.btn-primary {
  background-color: #1976d2;
  color: white;
}

.btn-primary:hover {
  background-color: #1565c0;
}

.btn-secondary {
  background-color: #4caf50;
  color: white;
}

.btn-secondary:hover:not(:disabled) {
  background-color: #45a049;
}

.btn-secondary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.config-section {
  margin-bottom: 20px;
}

.config-section label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-weight: 600;
}

.data-selection {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.draggable-item {
  display: flex;
  align-items: center;
  padding: 12px;
  background-color: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 6px;
  cursor: grab;
  user-select: none;
  transition:
    background-color 0.2s,
    border-color 0.2s;
}

.draggable-item:active {
  cursor: grabbing;
  background-color: var(--hover-bg);
}

.draggable-item:hover {
  background-color: var(--hover-bg);
}

.draggable-item input[type="checkbox"] {
  margin-right: 12px;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.drag-handle {
  color: var(--text-secondary);
  margin-right: 8px;
  font-size: 0.9rem;
}

.format-selection,
.separator-selection {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.format-selection label,
.separator-selection label {
  display: flex;
  align-items: center;
  padding: 8px 0;
  cursor: pointer;
}

.format-selection input[type="radio"],
.separator-selection input[type="radio"] {
  margin-right: 10px;
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.preview-tile {
  background-color: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
}

.preview-tile h2 {
  color: var(--text-primary);
  font-size: 1.4rem;
  margin-bottom: 16px;
  margin-top: 0;
}

#previewContent,
.api-output {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 16px;
  color: var(--text-primary);
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: 600px;
  overflow-y: auto;
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 1024px) {
  .control-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding: 12px;
  }

  .container {
    gap: 16px;
    grid-template-columns: 1fr;
  }

  .generator-tile,
  .dataset-generator-tile,
  .preview-tile {
    padding: 16px;
    width: 100%;
    box-sizing: border-box;
  }

  .control-panel {
    padding: 12px;
  }

  .control-row {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 12px;
  }

  .control-buttons {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    padding: 14px;
  }

  .format-selection,
  .separator-selection {
    flex-direction: column;
    gap: 8px;
  }

  .format-option,
  .separator-option {
    padding: 8px 0;
  }

  .data-selection {
    gap: 6px;
  }

  .draggable-item {
    padding: 10px;
    font-size: 0.95rem;
  }

  #previewContent,
  .api-output {
    max-height: 400px;
    font-size: 0.85rem;
    padding: 12px;
  }

  .button-group {
    flex-wrap: wrap;
    gap: 10px;
  }

  .theme-switch {
    flex-basis: 100%;
  }

  .nav-links {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-button {
    width: 100%;
    box-sizing: border-box;
    text-align: center;
  }
}

@media (max-width: 480px) {
  body {
    padding: 8px;
  }

  h1 {
    display: none;
  }

  .container {
    gap: 12px;
  }

  .dataset-generator-tile h2,
  .preview-tile h2 {
    font-size: 1.1rem;
    margin-bottom: 12px;
  }

  .control-field label,
  .config-section label {
    font-size: 0.9rem;
  }

  .btn-primary,
  .btn-secondary {
    font-size: 0.9rem;
    padding: 12px;
  }

  .format-option label,
  .separator-option label {
    font-size: 0.85rem;
  }

  #previewContent,
  .api-output {
    max-height: 300px;
    font-size: 0.8rem;
  }

  .draggable-item {
    padding: 8px;
    font-size: 0.9rem;
  }
}

/* Drag & drop visual feedback */
.draggable-item.drag-over {
  background-color: var(--hover-bg);
  border-color: #1976d2;
  transform: scale(1.02);
}

.sun-and-moon > :is(.moon, .sun, .sun-beams) {
  transform-origin: center;
}

.sun-and-moon > :is(.moon, .sun) {
  fill: var(--icon-fill);
}

.theme-toggle:is(:hover, :focus-visible) > .sun-and-moon > :is(.moon, .sun) {
  fill: var(--icon-fill-hover);
}

.sun-and-moon > .sun-beams {
  stroke: var(--icon-fill);
  stroke-width: 2px;
  stroke-linecap: round;
}

.sun-and-moon > .sun-beams {
  transform-origin: center;
  transform: rotateZ(0deg);
}

.theme-toggle:is(:hover, :focus-visible) .sun-and-moon > .sun-beams {
  stroke: var(--icon-fill-hover);
}

[data-theme="dark"] .sun-and-moon > .sun {
  transform: scale(1.75);
}

[data-theme="dark"] .sun-and-moon > .sun-beams {
  opacity: 0;
}

[data-theme="dark"] .sun-and-moon > .moon > circle {
  transform: translateX(-7px);
}

@supports (cx: 1) {
  [data-theme="dark"] .sun-and-moon > .moon > circle {
    cx: 17;
    transform: translateX(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .sun-and-moon > .sun {
    transition: transform 0.5s var(--ease-elastic-3);
  }

  .sun-and-moon > .sun-beams {
    transition:
      transform 0.5s var(--ease-elastic-4),
      opacity 0.5s var(--ease-3);
  }

  .sun-and-moon .moon > circle {
    transition: transform 0.25s var(--ease-out-5);
  }

  @supports (cx: 1) {
    .sun-and-moon .moon > circle {
      transition: cx 0.25s var(--ease-out-5);
    }
  }

  [data-theme="dark"] .sun-and-moon > .sun {
    transition-timing-function: var(--ease-3);
    transition-duration: 0.25s;
    transform: scale(1.75);
  }

  [data-theme="dark"] .sun-and-moon > .sun-beams {
    transition-duration: 0.15s;
    transform: rotateZ(-25deg);
  }

  [data-theme="dark"] .sun-and-moon > .moon > circle {
    transition-duration: 0.5s;
    transition-delay: 0.25s;
  }
}

/* Focus visible styles for keyboard accessibility */
.generated-output:focus-visible {
  outline: 2px solid var(--icon-fill-hover);
  outline-offset: 4px;
}

.field-name-input {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-primary);
  font-family: inherit;
  font-size: inherit;
  padding: 4px 8px;
  border-radius: 4px;
  flex: 1;
  transition:
    background-color 0.2s,
    border-color 0.2s;
}

.field-name-input:hover {
  background-color: var(--bg-secondary);
}

.field-name-input:focus-visible {
  outline: 2px solid var(--icon-fill-hover);
  outline-offset: 2px;
  border-color: #1976d2;
  background-color: var(--bg-secondary);
}

/* Accessibility: Focus visible styles for buttons and links */
button:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.nav-button:focus-visible,
.theme-toggle-button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--icon-fill-hover);
  outline-offset: 4px;
}

/* --- TOWARZYSZE: DAWID I GOLIAT --- */
/* Czysto dekoracyjna, pikselartowa warstwa wędrujących postaci
   (static/companions.js). Nie blokuje interakcji ze stroną. */
.companions-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 500;
  overflow: hidden;
}

.companion {
  position: absolute;
  left: 0;
  bottom: 6px;
  will-change: transform;
}

.companion-flip {
  transition: transform 0.15s ease;
}

.companion-flip.companion-bounce {
  animation: companion-bounce 0.4s ease;
}

@keyframes companion-bounce {
  0%,
  100% {
    translate: 0 0;
  }
  40% {
    translate: 0 -10px;
  }
}

/* Delikatne "oddychanie" podczas przystanku (tryb "pause" w companions.js) -
   używa właściwości `translate`, nie `transform`, żeby nie kolidować z
   flipem kierunku (transform: scaleX(...)) ustawianym inline w JS. */
.companion-body.companion-idle {
  animation: companion-idle-sway 1.3s ease-in-out infinite;
}

@keyframes companion-idle-sway {
  0%,
  100% {
    translate: 0 0;
  }
  50% {
    translate: 0 -2px;
  }
}

.companion-body {
  /* Kontener w pełnym rozmiarze sylwetki (ustawianym w JS) - tylko po to,
     żeby dymek z ikonką (.companion-prop, bottom: 100%) pozycjonował się
     nad głową, i żeby obszar klikalny obejmował całą postać, a nie jeden
     mały piksel. */
  position: relative;
  cursor: pointer;
  pointer-events: auto;
}

.companion-sprite {
  /* Element bazowy techniki "box-shadow pixel art" - MUSI zostać rozmiaru
     jednego piksela (patrz komentarz w buildCompanion w companions.js),
     inaczej każdy narysowany "piksel" staje się kopią całego dużego boxa. */
  position: absolute;
  top: 0;
  left: 0;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.35));
}

.companion-prop {
  position: absolute;
  left: 50%;
  bottom: 100%;
  transform: translate(-50%, 8px) scale(0.6);
  opacity: 0;
  transition:
    transform 0.25s ease,
    opacity 0.25s ease;
}

.companion-prop.show {
  transform: translate(-50%, -6px) scale(1);
  opacity: 1;
}

.companion-prop > div {
  width: 4px;
  height: 4px;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.4));
}

@media (max-width: 480px) {
  .companions-layer {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .companion-flip,
  .companion-prop {
    transition: none;
  }
}