/* ============================================================
   USED TO TRAINER — тема «Фотоальбом: тогда и сейчас»
   Светлая тёплая тема поверх тёмной базы (scoped: body.uta-album).
   Полароиды, плёнка, штампы, flip-карточки правил.
   ============================================================ */

body.uta-album {
  /* Переопределяем палитру ядра внутри страницы тренажёра */
  --bg-primary: #f7efe1;
  --bg-secondary: #f1e5cf;
  --bg-glass: rgba(255, 252, 245, 0.75);
  --bg-card: #fffdf8;

  --accent: #d97706;
  --accent-success: #2f9e44;
  --accent-danger: #e03131;
  --accent-warning: #f08c00;

  --text-main: #3d2f1e;
  --text-soft: #6f5d43;
  --text-muted: #97866c;
  --border: #e7d8bd;

  --uta-paper: #fffdf8;
  --uta-tape: rgba(233, 196, 106, 0.55);
  --uta-ink: #3d2f1e;
  --uta-pencil: 'Caveat', 'Comic Sans MS', cursive;

  background: linear-gradient(180deg, #f9f1e3 0%, #f3e6cd 100%);
  color: var(--text-main);
}

/* Гасим «космос» тёмной темы, рисуем тёплую бумагу с виньеткой */
body.uta-album::before {
  background:
    radial-gradient(ellipse at 15% 20%, rgba(233, 196, 106, 0.25) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 80%, rgba(244, 162, 97, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at center, transparent 60%, rgba(150, 111, 51, 0.12) 100%);
  animation: none;
}

/* Едва заметное «зерно» фотоплёнки */
body.uta-album::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.35;
  background-image: radial-gradient(rgba(120, 90, 40, 0.05) 1px, transparent 1px);
  background-size: 5px 5px;
}

/* ── Шапка: обложка альбома ── */
body.uta-album .trainer-header {
  background: linear-gradient(135deg, #8a5a2b 0%, #b07a3e 55%, #c98f4b 100%);
  border-bottom: 6px double rgba(255, 245, 224, 0.5);
  box-shadow: 0 6px 24px rgba(120, 80, 30, 0.25);
}

body.uta-album .trainer-header h1 {
  background: linear-gradient(135deg, #fff8ec, #ffe3b3);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: none;
}

body.uta-album .trainer-header .subtitle {
  color: #ffe9c7;
  font-family: var(--uta-pencil);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

body.uta-album .back-btn {
  color: #fff3dd;
  background: rgba(255, 248, 236, 0.14);
  border: 1px solid rgba(255, 248, 236, 0.35);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  transition: background var(--transition-fast);
}

body.uta-album .back-btn:hover {
  background: rgba(255, 248, 236, 0.28);
}

/* ── Статус-бар: бумажная полоска со «строчкой» ── */
body.uta-album .stats-bar {
  background: var(--uta-paper);
  border-bottom: 2px dashed var(--border);
  box-shadow: 0 4px 14px rgba(140, 100, 40, 0.08);
}

body.uta-album .stats-bar .label {
  color: var(--text-muted);
}

body.uta-album .stats-bar .value {
  color: var(--text-main);
}

/* ── Карточки/кнопки базовых компонентов в светлой теме ── */
body.uta-album .card {
  background: var(--uta-paper);
  border: 1px solid var(--border);
  box-shadow: 0 10px 30px rgba(140, 100, 40, 0.12);
  color: var(--text-main);
}

body.uta-album .btn-primary {
  background: linear-gradient(135deg, #f08c00, #d97706);
  color: #fff;
  border: none;
  box-shadow: 0 8px 22px rgba(217, 119, 6, 0.35);
}

body.uta-album .btn-primary:hover {
  box-shadow: 0 12px 28px rgba(217, 119, 6, 0.45);
}

/* ============================================================
   ПОЛАРОИДЫ
   ============================================================ */

.uta-scene {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}

.uta-mini-polaroid {
  background: #fff;
  padding: 0.5rem 0.5rem 0.35rem;
  border-radius: 4px;
  box-shadow: 0 8px 20px rgba(80, 55, 20, 0.22);
  position: relative;
  animation: utaPhotoDrop 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.uta-mini-polaroid.uta-then {
  transform: rotate(-4deg);
}

.uta-mini-polaroid.uta-now {
  transform: rotate(3deg);
  animation-delay: 0.12s;
}

/* Скотч сверху */
.uta-mini-polaroid::before {
  content: '';
  position: absolute;
  top: -9px;
  left: 50%;
  width: 52px;
  height: 18px;
  transform: translateX(-50%) rotate(-2deg);
  background: var(--uta-tape);
  border-left: 1px dashed rgba(160, 120, 50, 0.35);
  border-right: 1px dashed rgba(160, 120, 50, 0.35);
  border-radius: 2px;
}

.uta-mini-polaroid .uta-photo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 74px;
  height: 64px;
  font-size: 2.3rem;
  border-radius: 2px;
  background: linear-gradient(160deg, #fdf6e9, #f2e2c4);
}

.uta-then .uta-photo {
  background: linear-gradient(160deg, #efe3cb, #dfcba4);
  filter: sepia(0.35);
}

.uta-mini-polaroid .uta-caption {
  display: block;
  text-align: center;
  font-family: var(--uta-pencil);
  font-size: 1.05rem;
  line-height: 1.5;
  color: #7c6a4d;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.uta-arrow {
  font-size: 1.4rem;
  color: var(--accent);
  animation: utaArrowNudge 1.6s ease-in-out infinite;
}

@keyframes utaPhotoDrop {
  from {
    opacity: 0;
    transform: translateY(-42px) rotate(-10deg) scale(0.92);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotate(var(--uta-rot, -4deg)) scale(1);
  }
}

.uta-mini-polaroid.uta-then { --uta-rot: -4deg; }
.uta-mini-polaroid.uta-now { --uta-rot: 3deg; }

@keyframes utaArrowNudge {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}

/* ============================================================
   ВОПРОС — страница альбома
   ============================================================ */

body.uta-album .question-wrapper {
  animation: utaPageIn 0.4s ease both;
}

@keyframes utaPageIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

body.uta-album .question {
  color: var(--text-main);
  background: var(--uta-paper);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.4rem 1.5rem 1.5rem;
  box-shadow: 0 14px 34px rgba(140, 100, 40, 0.14);
  position: relative;
}

/* Уголки-держатели как в старых альбомах */
body.uta-album .question::before,
body.uta-album .question::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  border: 3px solid rgba(196, 154, 88, 0.55);
  border-radius: 2px;
}

body.uta-album .question::before {
  top: -4px;
  left: -4px;
  border-right: none;
  border-bottom: none;
}

body.uta-album .question::after {
  bottom: -4px;
  right: -4px;
  border-left: none;
  border-top: none;
}

.uta-task-hint {
  font-family: var(--uta-pencil);
  font-size: 1.15rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.uta-sentence {
  font-size: 1.25rem;
  line-height: 1.7;
}

.uta-sentence .blank,
body.uta-album .question .blank {
  color: var(--accent);
  border-bottom: 2px dashed var(--accent);
  background: rgba(240, 140, 0, 0.08);
  border-radius: 4px;
  padding: 0 0.35rem;
}

.uta-bracket {
  font-family: var(--uta-pencil);
  font-size: 1.1em;
  color: var(--text-soft);
}

.uta-situation {
  display: block;
  font-size: 1.05rem;
  color: var(--text-soft);
  background: rgba(233, 196, 106, 0.16);
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 0.7rem 0.9rem;
  text-align: left;
}

/* ── Варианты ответов: бумажные подписи под фото ── */
body.uta-album .option {
  background: var(--uta-paper);
  border: 2px solid var(--border);
  color: var(--text-main);
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(140, 100, 40, 0.1);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

body.uta-album .option:hover:not(:disabled) {
  transform: translateY(-3px) rotate(-0.4deg);
  border-color: var(--accent);
  box-shadow: 0 10px 22px rgba(217, 119, 6, 0.22);
  background: #fffaf0;
}

body.uta-album .option.correct {
  background: #ebfbee !important;
  border-color: var(--accent-success) !important;
  color: #23652f !important;
  animation: utaStampIn 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

body.uta-album .option.wrong {
  background: #fff0f0 !important;
  border-color: var(--accent-danger) !important;
  color: #96322e !important;
  animation: utaShake 0.4s ease;
}

@keyframes utaStampIn {
  0% { transform: scale(1.12) rotate(-2deg); }
  100% { transform: scale(1) rotate(0); }
}

@keyframes utaShake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* ── Поиск ошибки: кликабельные слова-стикеры ── */
body.uta-album .word-chunk-btn {
  background: var(--uta-paper);
  border: 2px solid var(--border);
  color: var(--text-main);
  border-radius: 10px;
  box-shadow: 0 3px 8px rgba(140, 100, 40, 0.1);
  font-size: 1.05rem;
}

body.uta-album .word-chunk-btn:hover:not(:disabled) {
  border-color: var(--accent);
  background: #fffaf0;
  transform: translateY(-2px);
}

body.uta-album .word-chunk-btn.correct {
  background: #ebfbee !important;
  border-color: var(--accent-success) !important;
  color: #23652f !important;
  animation: utaStampIn 0.35s ease;
}

body.uta-album .word-chunk-btn.wrong {
  background: #fff0f0 !important;
  border-color: var(--accent-danger) !important;
  color: #96322e !important;
  animation: utaShake 0.4s ease;
}

/* ── Фидбек: штамп на странице ── */
body.uta-album .feedback {
  border-radius: 12px;
  border: 2px dashed transparent;
}

body.uta-album .feedback.correct {
  background: rgba(47, 158, 68, 0.1);
  border-color: rgba(47, 158, 68, 0.45);
  color: #23652f;
}

body.uta-album .feedback.wrong {
  background: rgba(224, 49, 49, 0.07);
  border-color: rgba(224, 49, 49, 0.4);
  color: #8f2f2b;
}

.uta-praise {
  font-family: var(--uta-pencil);
  font-size: 1.5rem;
  display: inline-block;
  animation: utaStampIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.uta-explain {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  text-align: left;
  font-size: 0.92rem;
  color: var(--text-soft);
  background: rgba(233, 196, 106, 0.18);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  margin-top: 0.8rem;
}

.uta-explain-icon {
  flex-shrink: 0;
}

body.uta-album .next-btn {
  background: linear-gradient(135deg, #f08c00, #d97706);
  color: #fff;
}

/* ============================================================
   СТАРТОВЫЙ ЭКРАН — обложка с большими полароидами и правилами
   ============================================================ */

.uta-hero {
  display: flex;
  justify-content: center;
  gap: 1.4rem;
  margin-bottom: 1.6rem;
  perspective: 700px;
}

.uta-hero .uta-mini-polaroid .uta-photo {
  width: 108px;
  height: 96px;
  font-size: 3.4rem;
}

.uta-hero .uta-mini-polaroid {
  transition: transform 0.25s ease;
}

.uta-hero .uta-mini-polaroid:hover {
  transform: rotate(0deg) translateY(-6px) scale(1.04);
  z-index: 2;
}

.uta-start-title {
  font-size: clamp(1.6rem, 4.5vw, 2.2rem);
  margin-bottom: 0.4rem;
}

.uta-start-lead {
  color: var(--text-soft);
  max-width: 560px;
  margin: 0 auto 1.8rem;
  line-height: 1.7;
}

/* Flip-карточки правил: клик — переворот (front: формула, back: пример) */
.uta-rules {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 720px;
  margin: 0 auto 2rem;
}

.uta-flip {
  perspective: 800px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.uta-flip-inner {
  position: relative;
  width: 100%;
  min-height: 168px;
  transition: transform 0.55s cubic-bezier(0.4, 0.2, 0.2, 1);
  transform-style: preserve-3d;
}

.uta-flip.is-flipped .uta-flip-inner {
  transform: rotateY(180deg);
}

.uta-flip-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 14px;
  padding: 1rem 0.9rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  text-align: center;
  border: 2px solid var(--uta-c, var(--accent));
  background: var(--uta-paper);
  box-shadow: 0 8px 20px rgba(140, 100, 40, 0.14);
}

.uta-flip-front .uta-formula {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--uta-c, var(--accent));
  line-height: 1.3;
}

.uta-flip-front .uta-label {
  font-family: var(--uta-pencil);
  font-size: 1.1rem;
  color: var(--text-soft);
}

.uta-flip-front .uta-flip-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.uta-flip-back {
  transform: rotateY(180deg);
  background: linear-gradient(160deg, #fffdf8, #fdf3df);
}

.uta-flip-back .uta-example {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-main);
}

.uta-flip-back .uta-translation {
  font-family: var(--uta-pencil);
  font-size: 1.05rem;
  color: var(--text-soft);
  line-height: 1.35;
}

.uta-flip-front .uta-emoji {
  font-size: 1.9rem;
}

/* ── Прогресс ДЗ: фотоплёнка ── */
.uta-progress {
  margin: 1rem auto 0;
  text-align: center;
  display: none;
  max-width: 340px;
}

.uta-progress .uta-progress-track {
  height: 14px;
  border-radius: 999px;
  background: repeating-linear-gradient(
    90deg,
    #e9dcc2 0 10px,
    #f5ecd9 10px 20px
  );
  border: 1px solid var(--border);
  overflow: hidden;
}

.uta-progress .uta-progress-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, #f08c00, #2f9e44);
  transition: width 0.35s ease;
}

.uta-progress .uta-progress-text {
  font-family: var(--uta-pencil);
  font-size: 1.05rem;
  color: var(--text-soft);
  margin-top: 0.3rem;
}

/* ── Результаты ── */
body.uta-album .results .stat-card {
  background: var(--uta-paper);
  border: 1px solid var(--border);
}

/* ── Мобильная вёрстка ── */
@media (max-width: 640px) {
  .uta-rules {
    grid-template-columns: 1fr;
    max-width: 340px;
  }

  .uta-flip-inner {
    min-height: 140px;
  }

  .uta-hero {
    gap: 0.9rem;
  }

  .uta-hero .uta-mini-polaroid .uta-photo {
    width: 84px;
    height: 74px;
    font-size: 2.6rem;
  }

  .uta-sentence {
    font-size: 1.1rem;
  }

  .uta-mini-polaroid .uta-photo {
    width: 62px;
    height: 54px;
    font-size: 1.9rem;
  }
}

/* Уважаем reduce-motion */
@media (prefers-reduced-motion: reduce) {
  .uta-mini-polaroid,
  body.uta-album .question-wrapper,
  .uta-arrow,
  .uta-praise {
    animation: none !important;
  }

  .uta-flip-inner {
    transition: none;
  }
}