/* Карточки корейского — слой поверх Nocturne.
   Все цвета, отступы и радиусы берутся из токенов ds.css. */

:root {
  --ko: "Noto Sans KR", var(--font-body);
  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
}

html, body {
  height: 100%;
  overscroll-behavior: none;
}

body {
  font-size: 15px;
  -webkit-tap-highlight-color: transparent;
}

.ico {
  width: 20px; height: 20px;
  fill: none; stroke: currentColor; stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round;
}

/* ─── каркас экранов ─────────────────────────────────────────── */

.screen {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}
.screen[hidden] { display: none; }

.scroll {
  flex: 1; min-height: 0; overflow-y: auto;
  padding: 0 var(--space-6) var(--space-8);
  -webkit-overflow-scrolling: touch;
}

.bar {
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  flex: none;
}
.bar-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 17px; margin-right: auto;
}
.bar .btn-icon:last-child { margin-left: auto; }

/* ─── вход ───────────────────────────────────────────────────── */

.screen-login { justify-content: center; align-items: center; padding: var(--space-6); }

.login-box {
  width: min(340px, 100%);
  display: flex; flex-direction: column; gap: var(--space-4);
}
.login-title {
  font-family: var(--ko);
  font-size: 46px; font-weight: 500; line-height: 1;
  margin: 0 0 var(--space-4); letter-spacing: -0.02em;
}
.login-title-ru {
  display: block; margin-top: var(--space-3);
  font-family: var(--font-heading); font-size: 15px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
  letter-spacing: 0;
}
.login-err {
  margin: 0; font-size: 13px;
  color: var(--color-accent-300);
}

/* ─── сегодня ────────────────────────────────────────────────── */

.today { padding: var(--space-8) 0 var(--space-6); }
.today-num {
  font-family: var(--font-heading);
  font-size: 76px; line-height: 0.9; font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--color-accent);
}
.today-label {
  font-size: 14px; margin-top: var(--space-3);
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.today-sub {
  font-size: 13px; margin-top: var(--space-2);
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}
.today-sub b { font-weight: 500; color: color-mix(in srgb, var(--color-text) 80%, transparent); }
.dot-sep { margin: 0 var(--space-2); }

.btn-start {
  width: 100%; min-height: 46px; font-size: 15px;
  margin-top: var(--space-2);
}
.btn-sm { font-size: 12px; padding: var(--space-1) var(--space-3); }

.hint {
  font-size: 12.5px; margin: var(--space-3) 0 0;
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}
.hint-quiet { color: color-mix(in srgb, var(--color-text) 38%, transparent); }

.sec {
  font-size: 11px; letter-spacing: 0.09em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 45%, transparent);
  margin: var(--space-8) 0 var(--space-3);
  font-weight: 500;
}
.sec-row { display: flex; align-items: center; justify-content: space-between; }

/* ─── уровни ─────────────────────────────────────────────────── */

.levels { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }

.lvl {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 2px;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  color: var(--color-text);
  font: inherit; text-align: left; cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.lvl:hover { background: color-mix(in srgb, var(--color-surface) 80%, var(--color-text) 4%); }
.lvl-on { border-color: var(--color-accent); }

.lvl-grade {
  font-family: var(--ko); font-size: 21px; font-weight: 500;
  line-height: 1.1;
}
.lvl-on .lvl-grade { color: var(--color-accent); }
.lvl-name { font-size: 12px; color: color-mix(in srgb, var(--color-text) 60%, transparent); }
.lvl-count { font-size: 11px; color: color-mix(in srgb, var(--color-text) 40%, transparent); margin-top: var(--space-1); }

.lvl-bar {
  display: block; height: 2px; margin-top: var(--space-2);
  background: var(--color-neutral-900); border-radius: 2px; overflow: hidden;
}
.lvl-bar span { display: block; height: 100%; background: var(--color-accent); }

/* ─── колоды ─────────────────────────────────────────────────── */

.decks { display: flex; flex-direction: column; gap: var(--space-2); }

.deck {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface); border-radius: var(--radius-md);
  cursor: pointer; border: 1px solid transparent;
  color: var(--color-text); font: inherit; text-align: left; width: 100%;
}
.deck:hover { border-color: var(--color-divider); }
.deck-name { flex: 1; font-size: 14px; }
.deck-size { font-size: 12px; color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.deck-del {
  color: color-mix(in srgb, var(--color-text) 40%, transparent);
  background: none; border: 0; cursor: pointer; padding: var(--space-1);
  display: flex;
}
.deck-del:hover { color: var(--color-accent-300); }

.empty {
  font-size: 12.5px; padding: var(--space-4) 0;
  color: color-mix(in srgb, var(--color-text) 40%, transparent);
}

/* ─── поиск ──────────────────────────────────────────────────── */

.search-row { margin-bottom: var(--space-3); }

.results { display: flex; flex-direction: column; }

.res {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 7%, transparent);
}
.res-ko { font-family: var(--ko); font-size: 16px; min-width: 88px; }
.res-txt { flex: 1; min-width: 0; }
.res-ru { font-size: 13px; }
.res-meta {
  font-size: 11px; margin-top: 1px;
  color: color-mix(in srgb, var(--color-text) 42%, transparent);
}
.res-act {
  background: none; border: 0; cursor: pointer; padding: var(--space-2);
  color: var(--color-accent); display: flex;
}
.res-act:hover { color: var(--color-accent-300); }

/* ─── экран изучения ─────────────────────────────────────────── */

.bar-study { padding: var(--space-2) var(--space-3); }
.bar-mid { flex: 1; text-align: center; }
.bar-mode { font-size: 14px; font-weight: 500; }
.bar-sub { font-size: 11px; color: color-mix(in srgb, var(--color-text) 50%, transparent); }
.bar-prog {
  width: 58px; text-align: right; font-size: 12px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}

.track {
  height: 3px; margin: 0 var(--space-6); flex: none;
  background: var(--color-neutral-900); border-radius: 2px; overflow: hidden;
}
.track-fill {
  height: 100%; width: 0;
  background: var(--color-accent);
  transition: width 0.3s var(--ease-out);
}

.stage {
  position: relative; flex: 1; min-height: 0;
  padding: var(--space-6) var(--space-6) var(--space-3);
  display: flex;
}

.card-stack { position: relative; flex: 1; min-height: 0; }

.card-ghost {
  position: absolute; inset: 0;
  background: var(--color-surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  opacity: 0.45; transform: scale(0.955) translateY(14px);
}
.card-ghost[hidden] { display: none; }

.card-flip {
  position: absolute; inset: 0;
  touch-action: none; cursor: grab; user-select: none; -webkit-user-select: none;
  perspective: 1400px;
}
.card-flip:active { cursor: grabbing; }

.card-inner {
  position: relative; width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.42s var(--ease-out);
}
.card-inner.flip { transform: rotateY(180deg); }

.card-face {
  position: absolute; inset: 0;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: var(--space-4); padding: var(--space-8);
  text-align: center;
}
.card-back { transform: rotateY(180deg); }

.card-pos { position: absolute; top: var(--space-4); left: var(--space-4); }
.card-fresh { position: absolute; top: var(--space-4); left: var(--space-4); transform: translateY(28px); }
.card-sound { position: absolute; top: var(--space-3); right: var(--space-3); }
.card-edit { position: absolute; bottom: var(--space-3); }

.card-img {
  max-height: 38%; max-width: 78%;
  border-radius: var(--radius-md); object-fit: contain;
}

.card-word {
  font-family: var(--ko); font-weight: 500;
  line-height: 1.15; word-break: keep-all;
}
.card-word-back { font-family: var(--font-body); }

.card-en {
  font-size: 13px;
  color: color-mix(in srgb, var(--color-text) 55%, transparent);
}
.card-hanja {
  font-family: var(--ko); font-size: 19px;
  color: var(--color-accent-300); letter-spacing: 0.08em;
}
.card-ex {
  font-family: var(--ko); font-size: 15px;
  padding-top: var(--space-3);
  border-top: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  color: color-mix(in srgb, var(--color-text) 72%, transparent);
}
.card-tip {
  font-size: 12px;
  color: color-mix(in srgb, var(--color-text) 38%, transparent);
}

/* метки свайпа */
.swipe-mark {
  position: absolute; top: 42%; z-index: 3;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 13px; font-weight: 500;
  opacity: 0; pointer-events: none;
  border: 1px solid currentColor;
}
.swipe-left { left: var(--space-8); color: var(--color-neutral-400); transform: rotate(-8deg); }
.swipe-right { right: var(--space-8); color: var(--color-accent); transform: rotate(8deg); }

/* ─── оценки ─────────────────────────────────────────────────── */

.rate {
  flex: none; display: grid; grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2); padding: var(--space-3) var(--space-6) var(--space-6);
}
.rate[hidden] { display: none; }

.rate-btn {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: var(--space-3) var(--space-1);
  background: transparent; color: var(--color-text);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
  font: inherit; cursor: pointer;
  transition: background 0.13s, border-color 0.13s;
}
.rate-btn:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.rate-btn:active { background: color-mix(in srgb, var(--color-text) 13%, transparent); }

.rate-name { font-size: 12.5px; }
.rate-iv {
  font-size: 10.5px;
  color: color-mix(in srgb, var(--color-text) 42%, transparent);
}
.rate-good { border-color: color-mix(in srgb, var(--color-accent) 55%, transparent); }
.rate-good .rate-name { color: var(--color-accent); }
.rate-easy .rate-name { color: var(--color-accent-300); }

/* ─── проверка знаний ────────────────────────────────────────── */

.review-stage {
  flex: 1; min-height: 0; display: flex;
  padding: var(--space-6);
}

.review-card {
  position: relative; flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: var(--space-4); padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.review-pos { position: absolute; top: var(--space-4); left: var(--space-4); }
.review-sound { position: absolute; top: var(--space-3); right: var(--space-3); }

.review-word {
  font-family: var(--ko); font-weight: 500;
  font-size: 46px; line-height: 1.15; word-break: keep-all;
}
.review-answer {
  font-size: 17px; padding-top: var(--space-4);
  border-top: 1px solid color-mix(in srgb, var(--color-text) 10%, transparent);
  color: color-mix(in srgb, var(--color-text) 72%, transparent);
}

.review-actions { flex: none; padding: var(--space-3) var(--space-6) var(--space-6); }
.review-hint {
  text-align: center; font-size: 12.5px; margin: 0 0 var(--space-3);
  color: color-mix(in srgb, var(--color-text) 45%, transparent);
}
.review-buttons { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--space-2); }

.review-no { border-color: color-mix(in srgb, var(--color-accent) 55%, transparent); }
.review-no .rate-name { color: var(--color-accent); }
.review-peek .rate-name { color: color-mix(in srgb, var(--color-text) 60%, transparent); }

.dialog-actions-col { flex-direction: column; align-items: stretch; gap: var(--space-3); }
.dialog-row { display: flex; justify-content: flex-end; gap: var(--space-2); }

/* ─── итоги ──────────────────────────────────────────────────── */

.screen-done { justify-content: center; align-items: center; padding: var(--space-6); }
.done-box { width: min(320px, 100%); text-align: center; }
.done-num {
  font-family: var(--font-heading); font-size: 68px; line-height: 1;
  font-weight: 500; color: var(--color-accent); letter-spacing: -0.03em;
}
.done-label {
  font-size: 14px; margin-top: var(--space-3);
  color: color-mix(in srgb, var(--color-text) 65%, transparent);
}
.done-sub {
  font-size: 13px; line-height: 1.7; margin: var(--space-6) 0 var(--space-8);
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}
.done-sub b { color: var(--color-text); font-weight: 500; }

/* ─── настройки ──────────────────────────────────────────────── */

.field { margin-bottom: var(--space-4); }
select.input { appearance: none; cursor: pointer; }

.range {
  width: 100%; height: 3px; appearance: none; cursor: pointer;
  background: var(--color-neutral-900); border-radius: 2px;
  margin: var(--space-3) 0;
}
.range::-webkit-slider-thumb {
  appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--color-accent); cursor: pointer;
}
.range::-moz-range-thumb {
  width: 18px; height: 18px; border: 0; border-radius: 50%;
  background: var(--color-accent); cursor: pointer;
}

.check {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) 0; cursor: pointer; font-size: 14px;
}
.check input { accent-color: var(--color-accent); width: 17px; height: 17px; }

/* ─── диалоги, тосты, загрузка ───────────────────────────────── */

.dialog-backdrop[hidden] { display: none; }
.dialog-backdrop { z-index: 50; }

.dialog-tall { max-height: 88vh; overflow-y: auto; }

/* фильтры-переключатели */
.chips { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.chip {
  padding: var(--space-1) var(--space-3);
  font-size: 12.5px; font-family: inherit;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
  background: transparent;
  border: 1px solid var(--color-divider);
  border-radius: calc(var(--radius-md) * 0.75);
  cursor: pointer;
  transition: color 0.13s, border-color 0.13s, background 0.13s;
}
.chip:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.chip-on {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
}
.chip-count {
  font-size: 10.5px; margin-left: 4px;
  color: color-mix(in srgb, var(--color-text) 35%, transparent);
}
.chip-on .chip-count { color: color-mix(in srgb, var(--color-accent) 70%, transparent); }

.dk-count {
  margin: var(--space-3) 0 0; font-size: 13px;
  color: var(--color-accent-300);
}
.dk-count-zero { color: color-mix(in srgb, var(--color-text) 45%, transparent); }

.toast {
  position: fixed; left: 50%; bottom: calc(var(--space-8) + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  padding: var(--space-3) var(--space-6);
  background: var(--color-neutral-800); color: var(--color-neutral-100);
  border-radius: var(--radius-md); font-size: 13px;
  z-index: 60; box-shadow: var(--shadow-md);
  animation: toast-in 0.2s var(--ease-out);
}
.toast[hidden] { display: none; }

@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

.boot {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-items: center;
  background: var(--color-bg);
}
.boot[hidden] { display: none; }

.boot-spin {
  width: 26px; height: 26px; border-radius: 50%;
  border: 2px solid var(--color-neutral-800);
  border-top-color: var(--color-accent);
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.boot-err {
  max-width: 300px; text-align: center; font-size: 14px;
  color: var(--color-accent-300); padding: var(--space-6);
}

/* ─── адаптив и доступность ──────────────────────────────────── */

@media (min-width: 640px) {
  .scroll { padding-inline: max(var(--space-8), calc((100% - 560px) / 2)); }
  .stage { padding-inline: max(var(--space-6), calc((100% - 520px) / 2)); }
  .rate { padding-inline: max(var(--space-6), calc((100% - 520px) / 2)); }
  .bar { padding-inline: max(var(--space-4), calc((100% - 560px) / 2)); }
  .track { margin-inline: max(var(--space-6), calc((100% - 520px) / 2)); }
}

@media (prefers-reduced-motion: reduce) {
  .card-inner, .track-fill, .toast { transition: none; animation: none; }
  .boot-spin { animation-duration: 2s; }
}