/* =========================================================
   Zmienne i reset
   ========================================================= */
:root {
  --bg:            #07080f;
  --surface:       #0d0e1a;
  --surface-hi:    #12131f;
  --surface-hihi:  #181926;
  --border:        #1c1d2e;
  --border-soft:   #242540;

  --text-1:        #ece3d5;
  --text-2:        #807890;
  --text-3:        #38364a;

  --red:           #c0362a;
  --red-bright:    #df4437;
  --red-glow:      rgba(192, 54, 42, 0.30);
  --red-glow-soft: rgba(192, 54, 42, 0.12);

  --gold:          #c7912a;
  --gold-bright:   #daa83a;
  --gold-glow:     rgba(199, 145, 42, 0.30);
  --gold-glow-soft:rgba(199, 145, 42, 0.12);

  --green:         #3aad6e;
  --green-glow:    rgba(58, 173, 110, 0.28);
  --green-glow-soft: rgba(58, 173, 110, 0.18);

  --font-disp: 'Cormorant Garamond', Georgia, serif;
  --font-jp:   'Noto Serif JP', serif;
  --font-ui:   'Outfit', system-ui, sans-serif;

  --r:   10px;
  --r-sm: 6px;
  --r-lg: 18px;
  --ease: cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-ui);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

button { font-family: var(--font-ui); cursor: pointer; border: none; background: none; }

/* =========================================================
   Tło – dekoracje
   ========================================================= */
.bg-layer {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
}
.bg-orb--1 {
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(192,54,42,.18), transparent 65%);
  top: -280px; right: -220px;
}
.bg-orb--2 {
  width: 550px; height: 550px;
  background: radial-gradient(circle, rgba(199,145,42,.13), transparent 65%);
  bottom: -200px; left: -180px;
}
.bg-orb--3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(58,173,110,.07), transparent 65%);
  top: 40%; left: 50%; transform: translate(-50%, -50%);
}

.bg-kanji {
  position: absolute;
  bottom: -60px; right: -30px;
  font-family: var(--font-jp);
  font-size: clamp(160px, 22vw, 340px);
  font-weight: 700;
  color: rgba(255,255,255,.018);
  writing-mode: vertical-rl;
  line-height: 1;
  user-select: none;
  letter-spacing: .05em;
}

/* =========================================================
   Nagłówek
   ========================================================= */
.header {
  position: relative; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
  background: rgba(7,8,15,.6);
  backdrop-filter: blur(14px);
}

.header__brand {
  display: flex; align-items: center; gap: 16px;
}

.header__seal {
  font-family: var(--font-jp);
  font-size: 50px; font-weight: 700;
  color: var(--red);
  line-height: 1;
  text-shadow: 0 0 28px var(--red-glow), 0 0 60px rgba(192,54,42,.15);
  filter: drop-shadow(0 2px 8px var(--red-glow));
}

.header__title {
  font-family: var(--font-disp);
  font-size: 22px; font-weight: 400;
  letter-spacing: .06em;
  color: var(--text-1);
}

.header__sub {
  font-size: 11px; font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-top: 3px;
}

.header__score {
  display: flex; align-items: center; gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 10px 22px;
}

.score-block {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
}

.score-block__num {
  font-family: var(--font-disp);
  font-size: 30px; font-weight: 600;
  line-height: 1;
  color: var(--text-1);
  transition: color .3s var(--ease);
}

.score-block__lbl {
  font-size: 10px; font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-2);
}

.score-sep { color: var(--border-soft); font-size: 22px; }

/* =========================================================
   Główna sekcja
   ========================================================= */
.main {
  position: relative; z-index: 10;
  max-width: 780px;
  margin: 0 auto;
  padding: 36px 24px 64px;
  display: flex; flex-direction: column; gap: 20px;
}

/* =========================================================
   Karta quizu
   ========================================================= */
.quiz-card {
  margin-bottom: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 36px 40px 40px;
  display: flex; flex-direction: column; gap: 28px;
  animation: rise .5s var(--ease) both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.quiz-card__top {
  display: flex; align-items: center; justify-content: space-between;
}

.mode-badge {
  font-size: 11px; font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--gold-glow-soft);
  border: 1px solid rgba(199,145,42,.22);
  border-radius: 100px;
  padding: 6px 14px;
}

.word-counter {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: .05em;
}

/* =========================================================
   Prompt – wyświetlane słowo
   ========================================================= */
.section-label {
  font-size: 11px; font-weight: 400;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 14px;
}

.prompt-section { text-align: center; }

.prompt-word {
  min-height: 110px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px;
}

.prompt-word__translation {
  font-family: var(--font-ui, sans-serif);
  font-size: clamp(14px, 2vw, 18px);
  color: var(--text-2, #888);
  letter-spacing: .01em;
}

.prompt-word__translation.hidden { display: none; }

.prompt-word__text {
  font-family: var(--font-disp);
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--text-1);
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}

.prompt-word__text.is-jp {
  font-family: var(--font-jp);
  font-size: clamp(34px, 5.5vw, 64px);
  font-weight: 300;
}

.prompt-word__text.is-animating {
  opacity: 0;
  transform: translateY(-6px);
}

/* =========================================================
   Pole odpowiedzi
   ========================================================= */
.answer-section { display: flex; flex-direction: column; gap: 10px; }

.answer-box {
  position: relative;
  background: var(--surface-hi);
  border: 2px solid var(--border-soft);
  border-radius: var(--r);
  min-height: 76px;
  display: flex; align-items: center;
  padding: 12px 56px 12px 20px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
  cursor: text;
}

.answer-box:hover { border-color: rgba(220,215,240,.18); }

.answer-box.is-correct {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-glow-soft), 0 0 24px var(--green-glow);
}

.answer-box.is-wrong {
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-glow-soft), 0 0 24px var(--red-glow);
  animation: shake .38s var(--ease);
}

@keyframes shake {
  0%,100% { transform: translateX(0); }
  18%     { transform: translateX(-9px); }
  36%     { transform: translateX(9px); }
  54%     { transform: translateX(-5px); }
  72%     { transform: translateX(5px); }
}

.answer-box__placeholder {
  position: absolute;
  font-size: 15px;
  color: var(--text-3);
  font-style: italic;
  transition: opacity .15s;
  pointer-events: none;
}

.answer-box__placeholder.hidden { opacity: 0; }

.answer-box__text {
  font-family: var(--font-jp);
  font-size: 34px; font-weight: 400;
  letter-spacing: .06em;
  color: var(--text-1);
  line-height: 1.3;
  flex: 1;
  word-break: break-all;
}

.answer-box__back {
  position: absolute; right: 14px;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm);
  font-size: 19px;
  color: var(--text-2);
  background: transparent;
  transition: background .15s, color .15s;
}

.answer-box__back:hover { background: var(--surface-hihi); color: var(--text-1); }
.answer-box__back:active { background: var(--border-soft); }

/* Feedback */
.feedback-line {
  min-height: 22px;
  font-size: 13px; font-weight: 500;
  letter-spacing: .04em;
  text-align: center;
  transition: opacity .25s;
}
.feedback-line.is-correct { color: var(--green); }
.feedback-line.is-wrong   { color: var(--red-bright); }

/* =========================================================
   Klawiatura hiragany
   ========================================================= */
.kb-section { display: flex; flex-direction: column; gap: 12px; }

.kb-tabs {
  display: flex; gap: 6px;
}

.kb-tab {
  font-family: var(--font-jp);
  font-size: 15px;
  padding: 7px 18px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border-soft);
  background: var(--surface-hi);
  color: var(--text-2);
  transition: background .15s, color .15s, border-color .15s, box-shadow .15s;
  letter-spacing: .02em;
}

.kb-tab:hover { color: var(--text-1); border-color: rgba(220,215,240,.2); }

.kb-tab.active {
  background: var(--red);
  border-color: var(--red);
  color: #fff;
  box-shadow: 0 2px 12px var(--red-glow);
}

/* Siatka klawiszy */
.kb-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 5px;
}

.kb-grid--hidden { display: none; }

.kana-key {
  font-family: var(--font-jp);
  font-size: 19px; font-weight: 400;
  line-height: 1;
  padding: 11px 6px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--surface-hi);
  color: var(--text-1);
  transition: background .12s, border-color .12s, transform .1s, box-shadow .12s;
  position: relative;
  overflow: hidden;
}

.kana-key::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(255,255,255,0);
  transition: background .12s;
}

.kana-key:hover {
  background: var(--surface-hihi);
  border-color: var(--border-soft);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(0,0,0,.35);
}

.kana-key:active {
  transform: translateY(0);
  box-shadow: none;
  background: rgba(200,200,220,.08);
}

.kana-key--empty {
  background: transparent !important;
  border-color: transparent !important;
  pointer-events: none;
  box-shadow: none !important;
  transform: none !important;
}

/* =========================================================
   Przyciski akcji
   ========================================================= */
.actions {
  display: flex; gap: 10px; align-items: stretch;
}

.btn {
  font-size: 14px; font-weight: 500;
  letter-spacing: .04em;
  padding: 14px 24px;
  border-radius: var(--r);
  border: none;
  transition: background .15s, box-shadow .15s, opacity .2s, transform .1s;
  white-space: nowrap;
}

.btn:active { transform: scale(.98); }

/* Sprawdź */
.btn--check {
  flex: 1;
  background: var(--red);
  color: #fff;
}
.btn--check:hover {
  background: var(--red-bright);
  box-shadow: 0 4px 22px var(--red-glow);
}

/* Pokaż odpowiedź */
.btn--hint {
  background: var(--surface-hi);
  border: 1px solid var(--border-soft);
  color: var(--text-2);
  padding: 14px 16px;
  font-family: var(--font-jp);
  font-size: 18px;
}
.btn--hint:hover { color: var(--gold); border-color: rgba(199,145,42,.35); }

/* Wyczyść */
.btn--clear {
  background: var(--surface-hi);
  border: 1px solid var(--border-soft);
  color: var(--text-2);
  padding: 14px 18px;
  font-size: 16px;
}
.btn--clear:hover { color: var(--text-1); border-color: rgba(220,215,240,.25); }

/* =========================================================
   Karta podpowiedzi
   ========================================================= */
.hint-card {
  background: var(--gold-glow-soft);
  border: 1px solid rgba(199,145,42,.25);
  border-radius: var(--r);
  padding: 22px 32px;
  text-align: center;
  animation: rise .3s var(--ease) both;
}

.hint-card__label {
  font-size: 11px; font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

.hint-card__answer {
  font-family: var(--font-jp);
  font-size: 42px; font-weight: 300;
  color: var(--text-1);
  letter-spacing: .08em;
}

/* =========================================================
   Pulsujący kursor w polu odpowiedzi
   ========================================================= */
.answer-box__text::after {
  content: '|';
  font-weight: 300;
  color: var(--red);
  animation: blink 1s step-end infinite;
  margin-left: 1px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Ukryj kursor gdy zablokowane lub już sprawdzone */
.answer-box.is-correct .answer-box__text::after,
.answer-box.is-wrong   .answer-box__text::after { display: none; }

/* =========================================================
   Animacja zmiany słowa
   ========================================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.word-in { animation: fadeUp .3s var(--ease) both; }

/* =========================================================
   Responsywność
   ========================================================= */
@media (max-width: 620px) {
  .header {
    padding: 14px 18px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .quiz-card { padding: 24px 18px 28px; gap: 22px; }
  .kana-key  { font-size: 16px; padding: 9px 4px; }
  .actions   { flex-wrap: wrap; }
  .btn--clear { flex: 0 0 auto; }
  .hint-card__answer { font-size: 32px; }
  .score-block__num  { font-size: 24px; }
  .mode-nav { flex-direction: column; border-bottom: none; }
  .mode-nav__tab { padding: 12px 20px; font-size: 14px; text-align: left; border-bottom: none; border-left: 3px solid transparent; margin-bottom: 0; }
  .mode-nav__tab.active { border-left-color: var(--red-bright); border-bottom-color: transparent; }
}

@media (max-width: 420px) {
  .kb-grid { gap: 3px; }
  .kana-key { font-size: 14px; padding: 8px 2px; }
}

/* =========================================================
   Nawigacja trybów
   ========================================================= */
.mode-nav {
  display: flex;
  justify-content: center;
  gap: 0;
  border-bottom: 2px solid var(--border, rgba(255,255,255,.1));
  margin-bottom: 0;
}

.mode-nav__tab {
  background: none;
  border: none;
  padding: 12px 32px;
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2, #888);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color .2s, border-color .2s;
}

.mode-nav__tab:hover { color: var(--text-1, #fff); }

.mode-nav__tab.active {
  color: var(--text-1, #fff);
  border-bottom-color: var(--red-bright);
}

/* =========================================================
   Panele trybów
   ========================================================= */
.mode-panel.hidden { display: none; }

/* =========================================================
   Tryb: Nauka Słów
   ========================================================= */
.word-choices {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 8px 0 4px;
}

.choice-btn {
  padding: 16px 12px;
  border-radius: var(--r);
  border: 2px solid var(--border-soft);
  background: var(--surface-hi);
  color: var(--text-1);
  font-family: var(--font-ui);
  font-size: clamp(14px, 2.2vw, 17px);
  font-weight: 400;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .1s;
  text-align: center;
  line-height: 1.35;
}

.choice-btn:hover:not(:disabled) {
  background: var(--surface-hihi);
  border-color: var(--border-soft);
}

.choice-btn:disabled { cursor: default; opacity: .7; }

.choice-btn.is-correct {
  background: var(--green-glow-soft);
  border-color: var(--green);
  color: var(--green);
  font-weight: 600;
  opacity: 1;
}

.choice-btn.is-wrong {
  background: var(--red-glow-soft);
  border-color: var(--red-bright);
  color: var(--red-bright);
  opacity: 1;
}

/* =========================================================
   Słownik
   ========================================================= */
.dict-card {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.dict-section__title {
  font-family: var(--font-disp);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--gold);
  margin-bottom: 12px;
}

.dict-table {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}

.dict-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--border);
  transition: background .15s var(--ease);
}

.dict-row:last-child { border-bottom: none; }

.dict-row--header { background: var(--surface-hi); }

.dict-row:not(.dict-row--header):hover {
  background: var(--surface-hihi);
  cursor: default;
}

.dict-table__header {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-2);
  padding: 8px 16px;
}

.dict-table__cell {
  padding: 10px 16px;
  font-size: 14px;
  color: var(--text-1);
}

.dict-table__header:last-child,
.dict-table__cell:last-child { text-align: center; }

.dict-table__cell--jp {
  font-family: var(--font-jp);
  font-size: 18px;
  text-align: center;
}

/* =========================================================
   Tryb: Znaki
   ========================================================= */
.quiz-card__chars {
  padding-bottom: 0;
}

.chars-setup__top-bar {
  display: flex;
  gap: .75rem;
  align-items: center;
}


.chars-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 8px 0 4px;
}

.char-btn {
  padding: 14px 8px;
  border-radius: var(--r);
  border: 2px solid var(--border-soft);
  background: var(--surface-hi);
  color: var(--text-1);
  font-family: var(--font-jp);
  font-size: 28px;
  cursor: pointer;
  transition: background .15s, border-color .15s;
  text-align: center;
  line-height: 1;
}

.char-btn:hover:not(:disabled) {
  background: var(--surface-hihi);
  border-color: var(--border-soft);
}

.char-btn:disabled { cursor: default; opacity: .7; }

.char-btn.is-correct {
  background: var(--green-glow-soft);
  border-color: var(--green);
  color: var(--green);
  opacity: 1;
}

.char-btn.is-wrong {
  background: var(--red-glow-soft);
  border-color: var(--red-bright);
  color: var(--red-bright);
  opacity: 1;
}

.btn-link {
  background: none;
  border: none;
  color: var(--text-2);
  font-family: var(--font-ui);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 0;
  transition: color .15s;
}

.btn-link:hover { color: var(--text-1); }

.chars-accordion {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-8px);
  transition:
    max-height 0.35s ease,
    opacity 0.25s ease,
    transform 0.25s ease;
}

.chars-accordion.is-open {
  max-height: 1200px;
  opacity: 1;
  transform: translateY(0);
  padding-bottom: 30px;
}

.chars-accordion__inner {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

/* =========================================================
   Wybór indywidualnych znaków
   ========================================================= */
.kana-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.kana-group + .kana-group { margin-top: 16px; }

.kana-group__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kana-group__title {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-2);
}

.kana-group__toggle {
  font-size: 11px;
  color: var(--text-2);
  cursor: pointer;
  padding: 2px 0;
  background: none;
  border: none;
  font-family: var(--font-ui);
  transition: color .15s;
}
.kana-group__toggle:hover { color: var(--text-1); }

.kana-select-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.kana-sel-btn {
  width: 52px;
  height: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border: 2px solid var(--border-soft);
  border-radius: var(--r-sm);
  background: var(--surface-hi);
  cursor: pointer;
  transition: border-color .15s, background .15s;
  user-select: none;
}

.kana-sel-btn:hover { background: var(--surface-hihi); border-color: var(--text-3); }

.kana-sel-btn.selected {
  border-color: var(--red-bright);
  background: var(--red-glow-soft);
}

.kana-sel-btn__h {
  font-family: var(--font-jp);
  font-size: 20px;
  color: var(--text-1);
  line-height: 1;
}

.kana-sel-btn__r {
  font-size: 9px;
  color: var(--text-2);
  letter-spacing: .03em;
}

.kana-sel-btn.selected .kana-sel-btn__h { color: var(--red-bright); }
.kana-sel-btn.selected .kana-sel-btn__r { color: var(--red-bright); opacity: .7; }

/* =========================================================
   Wybór słów (Słownik)
   ========================================================= */
.word-select-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.word-sel-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border: 2px solid var(--border-soft);
  border-radius: var(--r-sm);
  background: var(--surface-hi);
  cursor: pointer;
  transition: border-color .15s, background .15s;
  text-align: left;
  user-select: none;
}

.word-sel-btn:hover { background: var(--surface-hihi); border-color: var(--text-3); }

.word-sel-btn.selected {
  border-color: var(--red-bright);
  background: var(--red-glow-soft);
}

.word-sel-btn__pl {
  font-size: 14px;
  color: var(--text-1);
  flex: 1;
}

.word-sel-btn__romaji {
  font-size: 12px;
  color: var(--text-2);
  letter-spacing: .03em;
}

.word-sel-btn__jp {
  font-family: var(--font-jp);
  font-size: 16px;
  color: var(--text-2);
  flex-shrink: 0;
}

.word-sel-btn.selected .word-sel-btn__pl     { color: var(--red-bright); }
.word-sel-btn.selected .word-sel-btn__romaji { color: var(--red-bright); }
.word-sel-btn.selected .word-sel-btn__jp     { color: var(--red-bright); opacity: .7; }