/* Mnemo web — estilos.
   Idea visual: la interfaz es neutra (papel frío o pizarra) para que lo único
   saturado de la pantalla sean las tarjetas. Cada tipo de palabra tiene siempre
   el mismo color (ver docs/COLORES.md). El texto sobre colores vivos es casi negro
   para un contraste ≥ 5.9:1 en ambos temas. */

@font-face {
  font-family: 'Bricolage Grotesque';
  src: url('../fonts/bricolage-grotesque-latin-wght-normal.woff2') format('woff2');
  font-weight: 200 800;
  font-display: swap;
}
@font-face {
  font-family: 'Atkinson Hyperlegible';
  src: url('../fonts/atkinson-hyperlegible-latin-400-normal.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: 'Atkinson Hyperlegible';
  src: url('../fonts/atkinson-hyperlegible-latin-700-normal.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

/* Layout: una columna de lectura en el celular con barra inferior; en tablet, barra lateral. */
:root {
  --bg: #f2f3f7;
  --surface: #ffffff;
  --surface-2: #e8eaf1;
  --line: #d6d9e3;
  --fg: #16171d;
  --muted: #565a68;
  --focus: #2f6feb;
  --danger: #c2264b;
  --on-danger: #ffffff;
  --scrim: rgb(14 15 22 / 0.45);

  /* Colores de las tarjetas: iguales en ambos temas. */
  --ink: #1a1a1f;
  --k-noun: #ff9f1c;
  --k-verb: #ff5d73;
  --k-adjective: #3ddc97;
  --k-phrase: #4cc9f0;
  --k-character: #c77dff;
  --k-other: #ffd60a;
  --g-masculine: #7b9bff;
  --g-feminine: #ff6fb5;
  --g-neuter: #b5e550;
  --gr-again: #ef476f;
  --gr-hard: #ffb703;
  --gr-good: #06d6a0;
  --gr-easy: #4cc9f0;
  --ph-focus: #ff5d73;
  --ph-rest: #3ddc97;

  --font-display: 'Bricolage Grotesque', ui-rounded, 'SF Pro Rounded', system-ui, sans-serif;
  --font-body: 'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-card: 'Bricolage Grotesque', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Apple SD Gothic Neo', 'PingFang SC',
    'Noto Sans CJK JP', 'Noto Sans', system-ui, sans-serif;

  --r-card: 22px;
  --r: 14px;
  --nav-h: 66px;
  --shadow: 0 1px 2px rgb(20 22 35 / 0.06), 0 8px 24px -14px rgb(20 22 35 / 0.25);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #0f1015;
    --surface: #181a21;
    --surface-2: #23262f;
    --line: #2f333e;
    --fg: #f0f1f5;
    --muted: #a4a8b6;
    --focus: #7aa7ff;
    --danger: #ff6b86;
    --on-danger: #1a1a1f;
    --scrim: rgb(0 0 0 / 0.6);
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 10px 28px -14px rgb(0 0 0 / 0.7);
    color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --bg: #0f1015;
  --surface: #181a21;
  --surface-2: #23262f;
  --line: #2f333e;
  --fg: #f0f1f5;
  --muted: #a4a8b6;
  --focus: #7aa7ff;
  --danger: #ff6b86;
  --on-danger: #1a1a1f;
  --scrim: rgb(0 0 0 / 0.6);
  --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 10px 28px -14px rgb(0 0 0 / 0.7);
  color-scheme: dark;
}

.k-noun { --kc: var(--k-noun); }
.k-verb { --kc: var(--k-verb); }
.k-adjective { --kc: var(--k-adjective); }
.k-phrase { --kc: var(--k-phrase); }
.k-character { --kc: var(--k-character); }
.k-other { --kc: var(--k-other); }
.g-masculine { --gc: var(--g-masculine); }
.g-feminine { --gc: var(--g-feminine); }
.g-neuter { --gc: var(--g-neuter); }
.grade--again { --gc: var(--gr-again); }
.grade--hard { --gc: var(--gr-hard); }
.grade--good { --gc: var(--gr-good); }
.grade--easy { --gc: var(--gr-easy); }

/* ───────────────────────────── Base ───────────────────────────── */

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
html.is-locked, html.is-locked body { overflow: hidden; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.45; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.screen-title:focus, .grades:focus, #main:focus { outline: none; }
.icon { flex: none; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.muted { color: var(--muted); }
strong { font-weight: 700; }
[hidden] { display: none !important; }

/* ───────────────────────────── Estructura ───────────────────────────── */

.app { min-height: 100%; }
.sidebar__brand { display: none; }
.column { min-width: 0; }
#main {
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 16px calc(var(--nav-h) + env(safe-area-inset-bottom, 0px) + 28px);
}
.screen { max-width: 760px; margin-inline: auto; display: grid; gap: 22px; }
.screen--pomodoro { max-width: 1040px; }

.nav {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 30;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 2px;
  padding: 6px max(8px, env(safe-area-inset-right, 0px)) calc(6px + env(safe-area-inset-bottom, 0px)) max(8px, env(safe-area-inset-left, 0px));
  background: color-mix(in srgb, var(--surface) 90%, transparent);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  backdrop-filter: blur(18px) saturate(1.4);
  border-top: 1px solid var(--line);
}
.nav__item {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  min-width: 0; min-height: 52px; padding: 6px 2px; border: 0; border-radius: 14px;
  background: transparent; color: var(--muted);
  font-size: 11.5px; font-weight: 700; letter-spacing: 0;
  font-variant-numeric: tabular-nums;
}
.nav__item.is-current { color: var(--fg); background: var(--surface-2); }
.nav__item.is-running { --phase: var(--ph-focus); color: var(--ink); background: var(--phase); }
.nav__item.is-running[data-phase='shortBreak'], .nav__item.is-running[data-phase='longBreak'] { --phase: var(--ph-rest); }

@media (min-width: 820px) {
  .app { display: grid; grid-template-columns: 236px minmax(0, 1fr); }
  .sidebar {
    position: sticky; top: 0; height: 100vh; height: 100dvh;
    display: flex; flex-direction: column; gap: 28px;
    padding: 28px 14px; padding-left: max(14px, env(safe-area-inset-left, 0px));
    background: var(--surface); border-right: 1px solid var(--line);
  }
  .sidebar__brand { display: flex; align-items: center; gap: 10px; padding-inline: 12px; font-family: var(--font-display); font-weight: 700; font-size: 24px; letter-spacing: -0.02em; }
  .nav {
    position: static; display: flex; flex-direction: column; gap: 4px;
    padding: 0; background: none; border: 0; -webkit-backdrop-filter: none; backdrop-filter: none;
  }
  .nav__item { flex-direction: row; justify-content: flex-start; gap: 12px; min-height: 48px; padding: 10px 14px; font-size: 16px; }
  #main { padding-block: 36px 56px; }
}

.brand-mark { display: inline-grid; width: 30px; height: 30px; position: relative; }
.brand-mark span { position: absolute; inset: 4px 6px; border-radius: 5px; }
.brand-mark span:nth-child(1) { background: var(--k-character); transform: rotate(14deg) translateX(4px); }
.brand-mark span:nth-child(2) { background: var(--k-adjective); transform: rotate(-12deg) translateX(-4px); }
.brand-mark span:nth-child(3) { background: var(--k-noun); }

/* ───────────────────────────── Tipografía ───────────────────────────── */

.screen-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 7vw, 42px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  text-wrap: balance;
  overflow-wrap: anywhere;
}
.panel__title, .section-title { font-family: var(--font-display); font-weight: 700; font-size: 20px; letter-spacing: -0.01em; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }

/* ───────────────────────────── Controles ───────────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 18px; border: 0; border-radius: 13px;
  max-width: 100%; font-weight: 700; font-size: 15.5px; line-height: 1.2; text-decoration: none; text-align: center;
  transition: transform 0.12s ease, background-color 0.15s ease;
}
.btn:active:not(:disabled) { transform: scale(0.97); }
.btn--primary { background: var(--fg); color: var(--bg); }
.btn--ghost { background: var(--surface-2); color: var(--fg); }
.btn--danger { background: var(--danger); color: var(--on-danger); }
.btn--danger-text { color: var(--danger); padding-block: 10px; text-align: left; justify-content: flex-start; }
.btn--block { width: 100%; }
.btn--tall { min-height: 56px; font-size: 17px; }
.btn--sm { min-height: 36px; padding: 0 12px; font-size: 14px; }
.btn--phase { background: var(--phase); color: var(--ink); min-width: 150px; }
.btn__icon { display: inline-flex; }

.icon-btn {
  display: inline-grid; place-items: center; flex: none;
  width: 44px; height: 44px; border: 0; border-radius: 12px;
  background: transparent; color: var(--fg);
}
.icon-btn:hover:not(:disabled) { background: var(--surface-2); }
.icon-btn--danger { color: var(--danger); }
.icon-btn--lg { width: 52px; height: 52px; background: var(--surface-2); }

.link-btn { display: inline; padding: 0; border: 0; background: none; color: inherit; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }

.input {
  width: 100%; min-height: 50px; padding: 11px 14px;
  border: 1.5px solid var(--line); border-radius: 12px;
  background: var(--surface); color: var(--fg);
  font-size: 17px; /* ≥16px: iOS no hace zoom al tocar el campo */
}
.input:focus { outline: none; border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 25%, transparent); }
.input::placeholder { color: color-mix(in srgb, var(--muted) 80%, transparent); }
textarea.input { resize: vertical; min-height: 76px; }
.input--mono { font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: 13px; }
select.input { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 38px; }

.field { display: grid; gap: 6px; }
.field__label { font-size: 14px; font-weight: 700; padding: 0; }
.field__hint { font-size: 14px; color: var(--muted); }
.field__error { color: var(--danger); font-weight: 700; font-size: 14px; }
.field__error:empty, .field__hint:empty { display: none; }

.check { display: flex; align-items: center; gap: 10px; min-height: 44px; font-size: 15px; }
.check input { width: 22px; height: 22px; accent-color: var(--fg); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; border: 0; padding: 0; margin: 0; min-width: 0; }
.chips legend { margin-bottom: 8px; }
.chip {
  position: relative; display: inline-flex; align-items: center; gap: 6px;
  min-height: 40px; padding: 6px 12px 6px 10px; border-radius: 999px;
  background: var(--surface); border: 2px solid color-mix(in srgb, var(--kc, var(--gc, var(--line))) 70%, var(--line));
  font-size: 14.5px; font-weight: 700; cursor: pointer; user-select: none;
}
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip:has(input:checked) { background: var(--kc, var(--gc, var(--fg))); border-color: transparent; color: var(--ink); }
.chip:not(.g-masculine):not(.g-feminine):not(.g-neuter):not([class*='k-']):has(input:checked) { color: var(--bg); }
.chip:has(input:focus-visible) { outline: 3px solid var(--focus); outline-offset: 2px; }

.switch {
  appearance: none; flex: none; position: relative; width: 52px; height: 32px; margin: 0;
  border-radius: 999px; background: var(--line); cursor: pointer; transition: background-color 0.18s ease;
}
.switch::before {
  content: ''; position: absolute; top: 3px; left: 3px; width: 26px; height: 26px; border-radius: 50%;
  background: var(--surface); box-shadow: 0 1px 3px rgb(0 0 0 / 0.25); transition: transform 0.18s ease;
}
.switch:checked { background: var(--fg); }
.switch:checked::before { transform: translateX(20px); }

.segmented { display: inline-flex; gap: 4px; padding: 4px; border-radius: 14px; background: var(--surface-2); }
.segmented__opt { position: relative; padding: 9px 16px; border-radius: 10px; font-weight: 700; font-size: 15px; cursor: pointer; }
.segmented__opt input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.segmented__opt:has(input:checked) { background: var(--surface); box-shadow: var(--shadow); }
.segmented__opt:has(input:focus-visible) { outline: 3px solid var(--focus); }

.stepper-row, .toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 52px; }
.stepper-row + .stepper-row, .stepper-row + .toggle-row, .toggle-row + .toggle-row { border-top: 1px solid var(--line); }
.stepper-row__label, .toggle-row label { font-weight: 700; }
.toggle-row__text { min-width: 0; }
.stepper { display: inline-flex; align-items: center; gap: 4px; padding: 3px; border-radius: 12px; background: var(--surface-2); }
.stepper__btn { width: 40px; height: 40px; border: 0; border-radius: 9px; background: var(--surface); font-size: 22px; font-weight: 700; line-height: 1; }
.stepper__value { min-width: 92px; text-align: center; font-weight: 700; font-variant-numeric: tabular-nums; }

.kbd { display: inline-block; margin-left: 8px; padding: 1px 6px; border-radius: 6px; border: 1px solid currentColor; font: 700 11px/1.4 var(--font-body); opacity: 0.55; }
@media (hover: none) { .kbd { display: none; } }

.row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.row--end { justify-content: flex-end; }
.row--between { justify-content: space-between; }
.stack { display: grid; gap: 16px; }
.stack--tight { gap: 4px; }
.tag { display: inline-block; margin-left: 8px; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-size: 12px; font-weight: 700; vertical-align: 3px; }

/* ───────────────────────────── Encabezados ───────────────────────────── */

.screen-head { display: grid; gap: 10px; }
.screen-head__row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 12px 16px; }
.screen-head__titles { display: grid; gap: 6px; min-width: 0; flex: 1 1 260px; }
.screen-head__actions { display: flex; flex-wrap: wrap; gap: 8px; }
.back-link { display: inline-flex; align-items: center; gap: 4px; justify-self: start; min-height: 36px; padding: 0 8px 0 2px; margin-left: -4px; border: 0; border-radius: 10px; background: none; color: var(--muted); font-weight: 700; }
.back-link:hover { color: var(--fg); }

.banner {
  display: flex; align-items: center; gap: 12px;
  padding: 12px max(16px, env(safe-area-inset-right, 0px)) 12px max(16px, env(safe-area-inset-left, 0px));
  background: var(--surface-2); border-bottom: 1px solid var(--line); font-size: 14.5px;
}
.banner p { flex: 1; min-width: 0; }
.callout { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: var(--r); background: var(--surface-2); font-size: 15px; }
.callout .icon { margin-top: 2px; }

.panel { display: grid; gap: 16px; padding: 20px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); min-width: 0; }

/* ───────────────────────────── Mazos ───────────────────────────── */

.deck-list { display: grid; gap: 10px; }
.deck-row {
  width: 100%; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 14px;
  padding: 16px 16px 16px 18px; border: 1px solid var(--line); border-radius: 18px;
  background: var(--surface); text-align: left; transition: border-color 0.15s ease, transform 0.12s ease;
}
.deck-row:hover { border-color: color-mix(in srgb, var(--fg) 30%, var(--line)); }
.deck-row:active { transform: scale(0.99); }
.deck-row__main { display: grid; gap: 6px; min-width: 0; }
.deck-row__name { font-family: var(--font-display); font-weight: 700; font-size: 19px; letter-spacing: -0.01em; overflow-wrap: anywhere; }
.deck-row__meta { color: var(--muted); font-size: 14.5px; }
.due-badge {
  display: inline-grid; place-items: center; min-width: 40px; height: 40px; padding: 0 10px; border-radius: 999px;
  background: var(--k-noun); color: var(--ink); font-family: var(--font-display); font-weight: 700; font-size: 18px; font-variant-numeric: tabular-nums;
}
.done-mark { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--surface-2); color: var(--muted); }

.mixbar { display: flex; gap: 2px; height: 6px; max-width: 280px; border-radius: 3px; overflow: hidden; }
.mixbar--empty { background: var(--surface-2); }
.mixbar__seg { flex: var(--share) 1 0; min-width: 4px; background: var(--kc); }

.study-panel { display: grid; gap: 18px; padding: 18px; border-radius: 22px; background: var(--surface); border: 1px solid var(--line); }
.btn--study {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 14px;
  width: 100%; padding: 14px 16px 14px 18px; border: 0; border-radius: 18px;
  background: var(--fg); color: var(--bg); text-align: left; font-weight: 700; font-size: 16px;
  transition: transform 0.12s ease;
}
.btn--study:active { transform: scale(0.985); }
.btn--study__count { font-family: var(--font-display); font-size: 40px; line-height: 1; font-variant-numeric: tabular-nums; }
.btn--study__go { padding: 10px 16px; border-radius: 12px; background: var(--k-noun); color: var(--ink); }
.study-done { display: flex; align-items: center; gap: 12px; padding: 4px 2px; font-weight: 700; }
.study-done .icon { color: var(--ink); background: var(--gr-good); border-radius: 50%; padding: 4px; width: 32px; height: 32px; }

.forecast { display: grid; gap: 10px; }
.forecast__bars { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 6px; }
.forecast__day { display: grid; justify-items: center; gap: 4px; }
.forecast__n { font-size: 13px; font-weight: 700; font-variant-numeric: tabular-nums; }
.forecast__track { display: flex; align-items: flex-end; width: 100%; max-width: 40px; height: 56px; border-radius: 7px; background: var(--surface-2); overflow: hidden; }
.forecast__bar { display: block; width: 100%; height: calc(var(--h) * 100%); min-height: 3px; background: color-mix(in srgb, var(--fg) 70%, var(--surface)); border-radius: 7px 7px 0 0; }
.forecast__bar.is-today { background: var(--k-noun); }
.forecast__label { font-size: 12px; color: var(--muted); font-weight: 700; text-transform: capitalize; }

.mix-legend { display: grid; gap: 10px; }
.mix-legend .mixbar { max-width: none; height: 8px; }
.mix-legend__items { display: flex; flex-wrap: wrap; gap: 10px 14px; }
.mix-legend__items li { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-variant-numeric: tabular-nums; }

.list-toolbar { display: flex; gap: 10px; align-items: center; }
.search { position: relative; flex: 1; min-width: 0; display: flex; align-items: center; }
.search .icon { position: absolute; left: 14px; color: var(--muted); pointer-events: none; }
.search__input { width: 100%; min-height: 48px; padding: 10px 14px 10px 42px; border: 1.5px solid var(--line); border-radius: 12px; background: var(--surface); font-size: 17px; }
.search__input:focus { outline: none; border-color: var(--focus); }

.card-list { display: grid; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); overflow: hidden; }
.card-list > li + li { border-top: 1px solid var(--line); }
.card-list__empty { padding: 20px; }
.card-row {
  width: 100%; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 12px;
  padding: 12px 14px; border: 0; background: none; text-align: left;
}
button.card-row:hover { background: var(--surface-2); }
.card-row__text { display: grid; min-width: 0; }
.card-row__front { font-family: var(--font-card); font-weight: 700; font-size: 18px; overflow-wrap: anywhere; }
.card-row__back { color: var(--muted); font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-row__when { color: var(--muted); font-size: 13px; font-weight: 700; text-align: right; }
.card-row__when.is-due { color: var(--fg); }

.kind-tile { display: inline-grid; place-items: center; flex: none; background: var(--kc); color: var(--ink); }
.kind-tile--md { width: 38px; height: 38px; border-radius: 11px; }
.kind-tile--sm { width: 26px; height: 26px; border-radius: 8px; }

.empty { display: grid; justify-items: start; gap: 10px; padding: 28px 22px; border-radius: 20px; border: 1.5px dashed var(--line); background: var(--surface); }
.empty__title { font-family: var(--font-display); font-weight: 700; font-size: 20px; }

/* ───────────────────────────── Tarjeta ───────────────────────────── */

.cardface {
  position: relative; isolation: isolate;
  display: flex; flex-direction: column; gap: 10px;
  padding: 16px 18px 22px; border-radius: var(--r-card);
  background: var(--kc, var(--k-other)); color: var(--ink);
  box-shadow: 0 1px 0 rgb(0 0 0 / 0.06), 0 18px 36px -18px color-mix(in srgb, var(--kc, var(--k-other)) 85%, black);
  overflow: hidden;
}
/* Textura de ficha: renglones muy suaves, como una tarjeta de estudio de papel. */
.cardface::after {
  content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: repeating-linear-gradient(to bottom, transparent 0 31px, rgb(26 26 31 / 0.06) 31px 32px);
  mask-image: linear-gradient(to bottom, transparent 0 56px, black 72px);
}
.cardface.g-masculine, .cardface.g-feminine, .cardface.g-neuter { padding-left: 32px; }
.cardface.g-masculine::before, .cardface.g-feminine::before, .cardface.g-neuter::before {
  content: ''; position: absolute; inset: 0 auto 0 0; width: 14px; background: var(--gc);
  box-shadow: inset -2px 0 0 rgb(26 26 31 / 0.12);
}
.cardface__tags { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.cardface__tag { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px 4px 8px; border-radius: 999px; background: rgb(255 255 255 / 0.4); font-size: 13px; font-weight: 700; }
.cardface__text {
  margin: auto 0; padding-block: 8px;
  font-family: var(--font-card); font-weight: 700; line-height: 1.1; letter-spacing: -0.01em;
  text-align: center; text-wrap: balance; overflow-wrap: anywhere;
}
.cardface--lg { min-height: clamp(220px, 40vh, 420px); }
.cardface--lg .cardface__text { font-size: clamp(40px, 11vw, 92px); }
.cardface--md { min-height: 190px; }
.cardface--md .cardface__text { font-size: clamp(32px, 8vw, 56px); }

.gender-chip { display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px 3px 4px; border-radius: 999px; background: var(--gc); color: var(--ink); font-size: 13px; font-weight: 700; }
.gender-chip__letter { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: rgb(255 255 255 / 0.55); color: var(--ink); font-size: 12px; }
.chip .gender-chip__letter { background: var(--gc); }

/* ───────────────────────────── Hojas y avisos ───────────────────────────── */

.backdrop {
  position: fixed; inset: 0; z-index: 60;
  display: flex; align-items: flex-end; justify-content: center;
  background: var(--scrim);
  animation: fade-in 0.18s ease-out;
}
.sheet {
  width: 100%; max-height: calc(100dvh - 20px - env(safe-area-inset-top, 0px)); overflow-y: auto; overscroll-behavior: contain;
  padding: 6px max(18px, env(safe-area-inset-right, 0px)) calc(22px + env(safe-area-inset-bottom, 0px)) max(18px, env(safe-area-inset-left, 0px));
  border-radius: 24px 24px 0 0; background: var(--surface); box-shadow: var(--shadow);
  animation: sheet-up 0.22s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.sheet__head { position: sticky; top: -6px; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0 10px; background: var(--surface); }
.sheet__title { font-family: var(--font-display); font-weight: 700; font-size: 22px; letter-spacing: -0.015em; }
.backdrop.is-leaving { animation: fade-out 0.18s ease-in forwards; }
.backdrop.is-leaving .sheet { animation: sheet-down 0.18s ease-in forwards; }
@media (min-width: 640px) {
  .backdrop { align-items: center; padding: 24px; }
  .sheet { max-width: 480px; max-height: calc(100dvh - 48px); border-radius: 24px; padding: 6px 24px 24px; animation-name: pop-in; }
  .sheet--wide { max-width: 820px; }
  .backdrop.is-leaving .sheet { animation-name: pop-out; }
}

.editor { display: grid; gap: 18px; }
.editor__fields { display: grid; gap: 16px; min-width: 0; }
@media (min-width: 760px) {
  .editor { grid-template-columns: 300px minmax(0, 1fr); align-items: start; gap: 24px; }
  .editor__preview { position: sticky; top: 64px; }
}

#toast-root {
  position: fixed; z-index: 80; left: 50%; transform: translateX(-50%);
  bottom: calc(var(--nav-h) + env(safe-area-inset-bottom, 0px) + 14px);
  width: min(560px, calc(100% - 32px)); display: grid; gap: 8px; pointer-events: none;
}
@media (min-width: 820px) { #toast-root { bottom: 24px; } }
/* Durante el repaso los avisos van arriba, para no tapar los botones de calificación. */
html.is-locked #toast-root { bottom: auto; top: calc(env(safe-area-inset-top, 0px) + 64px); }
.toast { padding: 12px 16px; border-radius: 14px; background: var(--fg); color: var(--bg); font-weight: 700; font-size: 15px; box-shadow: var(--shadow); animation: toast-in 0.2s ease-out; }
.toast--ok { border-left: 6px solid var(--gr-good); }
.toast--error { border-left: 6px solid var(--gr-again); }
.toast.is-leaving { animation: fade-out 0.2s ease-in forwards; }

/* ───────────────────────────── Repaso ───────────────────────────── */

.review {
  position: fixed; inset: 0; z-index: 50;
  display: flex; flex-direction: column;
  padding: env(safe-area-inset-top, 0px) max(16px, env(safe-area-inset-right, 0px)) env(safe-area-inset-bottom, 0px) max(16px, env(safe-area-inset-left, 0px));
  background: var(--bg); overflow-y: auto; overscroll-behavior: contain;
  animation: fade-in 0.18s ease-out;
}
.review__bar { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 8px; padding-top: 8px; max-width: 760px; width: 100%; margin-inline: auto; }
.review__title { display: grid; justify-items: center; text-align: center; min-width: 0; }
.review__deck { font-family: var(--font-display); font-weight: 700; font-size: 17px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.review__counter { color: var(--muted); font-size: 13.5px; font-weight: 700; font-variant-numeric: tabular-nums; }
.review__progress { position: relative; height: 4px; max-width: 760px; width: 100%; margin: 8px auto 0; border-radius: 2px; background: var(--surface-2); overflow: hidden; }
.review__progress::after { content: ''; position: absolute; inset: 0; background: var(--fg); transform-origin: left; transform: scaleX(var(--p, 0)); transition: transform 0.3s ease; }
.review__body { flex: 1; display: flex; flex-direction: column; gap: 16px; width: 100%; max-width: 760px; margin-inline: auto; padding-block: 16px 18px; }
.review__stage { flex: 1; display: flex; flex-direction: column; gap: 14px; }
.review__card { flex: 1 0 auto; cursor: pointer; animation: card-in 0.22s cubic-bezier(0.2, 0.8, 0.2, 1); }
.review__actions { display: grid; }

.answer { display: grid; gap: 6px; padding: 16px 18px; border-radius: 18px; background: var(--surface); border: 3px solid var(--kc); animation: rise-in 0.2s ease-out; }
.answer__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.answer__back { font-family: var(--font-display); font-weight: 700; font-size: clamp(24px, 6vw, 34px); line-height: 1.15; overflow-wrap: anywhere; white-space: pre-line; }
.answer__pron { color: var(--muted); font-size: 18px; font-weight: 700; }
.answer__example { padding-left: 12px; border-left: 3px solid var(--line); white-space: pre-line; }

.grades { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.grade {
  position: relative; display: grid; justify-items: center; align-content: center; gap: 2px;
  min-height: 72px; padding: 8px 4px; border: 0; border-radius: 16px;
  background: var(--gc); color: var(--ink); transition: transform 0.12s ease;
}
.grade:active { transform: scale(0.96); }
.grade__label { font-weight: 700; font-size: 16px; }
.grade__when { font-size: 13.5px; font-weight: 700; opacity: 0.75; font-variant-numeric: tabular-nums; }
.grade__key { position: absolute; top: 6px; right: 6px; margin: 0; }
@media (max-width: 340px) { .grades { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.finished { margin: auto; display: grid; justify-items: center; gap: 14px; text-align: center; max-width: 420px; padding: 24px 0; }
.finished__mark { display: grid; place-items: center; width: 84px; height: 84px; border-radius: 50%; background: var(--gr-good); color: var(--ink); animation: pop-in 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.3); }
.finished__title { font-family: var(--font-display); font-weight: 700; font-size: 30px; letter-spacing: -0.02em; }
.tally { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.tally__item { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px 6px 6px; border-radius: 999px; background: var(--gc); color: var(--ink); font-weight: 700; font-size: 14px; }
.tally__n { display: inline-grid; place-items: center; min-width: 26px; height: 26px; padding: 0 6px; border-radius: 999px; background: rgb(255 255 255 / 0.5); font-variant-numeric: tabular-nums; }

/* ───────────────────────────── Pomodoro ───────────────────────────── */

.pomo-layout { display: grid; gap: 20px; align-items: start; }
@media (min-width: 1000px) { .pomo-layout { grid-template-columns: minmax(0, 420px) minmax(0, 1fr); } }

.clock { --phase: var(--ph-focus); display: grid; justify-items: center; gap: 18px; padding: 24px 18px; border-radius: 26px; background: var(--surface); border: 1px solid var(--line); }
.clock[data-phase='shortBreak'], .clock[data-phase='longBreak'] { --phase: var(--ph-rest); }
.clock__dial { position: relative; width: min(290px, 76vw); aspect-ratio: 1; max-width: 100%; }
.ring { width: 100%; height: 100%; display: block; }
.ring__track { stroke: var(--surface-2); stroke-width: 16; }
.ring__arc { stroke: var(--phase); stroke-width: 16; stroke-linecap: round; transition: stroke-dashoffset 1s linear, stroke 0.3s ease; }
.clock__center { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 4px; text-align: center; }
.clock__phase { padding: 4px 12px; border-radius: 999px; background: var(--phase); color: var(--ink); font-weight: 700; font-size: 14px; }
.clock__time { font-family: var(--font-display); font-weight: 700; font-size: clamp(52px, 15vw, 68px); line-height: 1; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.clock__count { color: var(--muted); font-size: 13.5px; font-weight: 700; }
.clock__controls { display: flex; align-items: center; gap: 14px; }
.clock__hint { text-align: center; max-width: 34ch; }

.session-panel--empty { justify-items: start; }
.quicknote { display: grid; gap: 12px; padding: 16px; border-radius: 16px; background: var(--surface-2); }
.quicknote .input { background: var(--surface); }
.quicknote__grid { display: grid; gap: 10px; }
@media (min-width: 560px) { .quicknote__grid { grid-template-columns: 1fr 1fr; } }
.quicknote__foot { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }
.kind-row { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; }
.kind-pick { display: grid; place-items: center; height: 44px; border: 2px solid color-mix(in srgb, var(--kc) 70%, var(--line)); border-radius: 12px; background: var(--surface); color: var(--fg); }
.kind-pick.is-on { background: var(--kc); border-color: transparent; color: var(--ink); }

.noted { display: grid; gap: 2px; }
.noted__item { display: grid; grid-template-columns: auto auto minmax(0, 1fr); align-items: center; gap: 10px; padding: 8px 2px; border-bottom: 1px solid var(--line); }
.noted__front { font-family: var(--font-card); font-weight: 700; font-size: 17px; }
.noted__back { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ───────────────────────────── Sesiones ───────────────────────────── */

.session-list { display: grid; gap: 10px; }
.session-row { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); text-align: left; }
.session-row:hover { border-color: color-mix(in srgb, var(--fg) 30%, var(--line)); }
.session-row__main { display: grid; gap: 2px; min-width: 0; }
.session-row__date { font-weight: 700; font-size: 17px; }
.live-tag { flex: none; padding: 4px 10px; border-radius: 999px; background: var(--gr-good); color: var(--ink); font-size: 13px; font-weight: 700; }
.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.facts > div { padding: 14px 16px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); }
.facts dt { color: var(--muted); font-size: 13.5px; font-weight: 700; }
.facts dd { font-family: var(--font-display); font-weight: 700; font-size: 34px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.card-row--static { cursor: default; }

/* ───────────────────────────── Ajustes ───────────────────────────── */

.settings-section { gap: 12px; }
.steps { display: grid; gap: 10px; counter-reset: step; }
.steps li { position: relative; padding-left: 38px; counter-increment: step; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--surface-2); font-weight: 700; font-size: 14px; }
.legend { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 10px; }
.legend li { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.legend--inline { display: flex; flex-wrap: wrap; gap: 8px; }
.about { text-align: center; padding-bottom: 8px; }

/* ───────────────────────────── Movimiento ───────────────────────────── */

@keyframes fade-in { from { opacity: 0; } }
@keyframes fade-out { to { opacity: 0; } }
@keyframes sheet-up { from { transform: translateY(40px); opacity: 0.4; } }
@keyframes sheet-down { to { transform: translateY(40px); opacity: 0; } }
@keyframes pop-in { from { transform: scale(0.94); opacity: 0; } }
@keyframes pop-out { to { transform: scale(0.96); opacity: 0; } }
@keyframes toast-in { from { transform: translateY(10px); opacity: 0; } }
@keyframes rise-in { from { transform: translateY(8px); opacity: 0; } }
@keyframes card-in { from { transform: translateY(10px) scale(0.985); opacity: 0.2; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ───────────────────────────── Práctica ───────────────────────────── */

.screen--wide { max-width: 1040px; }
.row--center { justify-content: center; }
.row--nowrap { flex-wrap: nowrap; }
.row--nowrap .input { min-width: 0; }

.practice-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.practice-tile {
  width: 100%; height: 100%; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto 1fr; gap: 6px 14px;
  padding: 18px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); text-align: left;
  transition: border-color 0.15s ease, transform 0.12s ease;
}
.practice-tile:hover { border-color: var(--kc); }
.practice-tile:active { transform: scale(0.985); }
.practice-tile__icon { grid-row: 1 / 3; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; background: var(--kc); color: var(--ink); }
.practice-tile__title { font-family: var(--font-display); font-weight: 700; font-size: 20px; letter-spacing: -0.01em; align-self: end; }
.practice-tile__text { color: var(--muted); font-size: 15px; }

/* Escritura: selección */
.set-chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; }
.set-chip { flex: none; display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 14px; border: 1.5px solid var(--line); border-radius: 999px; background: var(--surface); font-weight: 700; font-size: 14.5px; white-space: nowrap; }
.set-chip.is-on { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.set-chip__n { font-size: 12px; opacity: 0.7; font-variant-numeric: tabular-nums; }
.char-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: 8px; }
.char-cell {
  position: relative; width: 100%; aspect-ratio: 1; display: grid; place-items: center; align-content: center; gap: 0;
  border: 1.5px solid var(--line); border-radius: 14px; background: var(--surface);
}
.char-cell:hover { border-color: var(--k-character); }
.char-cell__ch { font-family: var(--font-card); font-size: 28px; font-weight: 700; line-height: 1.1; }
.char-cell__sub { font-size: 11.5px; color: var(--muted); font-weight: 700; }
.char-cell.is-tried::after, .char-cell.is-mastered::after { content: ''; position: absolute; top: 6px; right: 6px; width: 8px; height: 8px; border-radius: 50%; background: var(--gr-hard); }
.char-cell.is-mastered::after { background: var(--gr-good); }

/* Escritura: pizarra */
.layer__spacer { width: 44px; }
.layer .review__body, .layer .review__bar, .layer .review__progress { max-width: 1080px; }
.write { display: grid; gap: 16px; align-items: start; }
@media (min-width: 760px) { .write { grid-template-columns: minmax(0, 1fr) 300px; } }
.write__board { width: min(100%, 74dvh, 640px); aspect-ratio: 1; margin-inline: auto; }
.board {
  display: block; width: 100%; height: 100%; touch-action: none; user-select: none; -webkit-user-select: none;
  border-radius: 22px; background: var(--surface); border: 1.5px solid var(--line); cursor: crosshair;
}
.board__grid line { stroke: var(--line); stroke-width: 0.5; stroke-dasharray: 2 2; }
.board__guide path { fill: none; stroke: color-mix(in srgb, var(--fg) 12%, transparent); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; transition: opacity 0.2s ease; }
.board__done-stroke { fill: none; stroke: var(--k-character); stroke-width: 3.6; stroke-linecap: round; stroke-linejoin: round; }
.board.is-finished .board__done-stroke { stroke: var(--gr-good); }
.board__anim-stroke { fill: none; stroke: var(--fg); stroke-width: 3.6; stroke-linecap: round; stroke-linejoin: round; }
.board__anim-stroke.is-drawn { stroke: color-mix(in srgb, var(--fg) 55%, transparent); }
.board__hint-stroke { fill: none; stroke: var(--gr-hard); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.board__num { font: 700 5px var(--font-body); fill: var(--gr-again); }
.board__ink-stroke { fill: none; stroke: var(--fg); stroke-width: 3.2; stroke-linecap: round; stroke-linejoin: round; }
.board__ink-stroke.is-right { stroke: var(--gr-good); }
.board__mini-tick { fill: none; stroke: var(--gr-good); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; animation: fade-out 0.7s ease-in forwards; }
.board__tick circle { fill: var(--gr-good); }
.board__tick path { fill: none; stroke: var(--ink); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.board__tick { transform-origin: 92px 17px; animation: pop-in 0.3s cubic-bezier(0.2, 0.9, 0.3, 1.3); }
.lang-picker { display: flex; align-items: center; gap: 10px; max-width: 320px; }
.lang-picker .input { min-height: 44px; }
.board__ink-stroke.is-wrong { stroke: var(--gr-again); transition: opacity 0.4s ease; opacity: 0.25; }
.write__info { display: grid; gap: 12px; padding: 18px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); }
.write__char { font-family: var(--font-card); font-size: 64px; font-weight: 700; line-height: 1; }
.write__meta { display: grid; gap: 2px; color: var(--muted); font-size: 15px; }
.write__meta p:first-child { color: var(--fg); font-weight: 700; font-size: 17px; }
.write__status { min-height: 1.5em; font-weight: 700; }
.write__status--ok { color: var(--ok, var(--fg)); }
.write__status--ok, .write__status--warn, .write__status--bad { padding: 8px 12px; border-radius: 12px; color: var(--ink); }
.write__status--ok { background: var(--gr-good); }
.write__status--warn { background: var(--gr-hard); }
.write__status--bad { background: var(--gr-again); }
.write__tools { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.write__tools .btn { padding-inline: 10px; }
.btn.is-on { background: var(--fg); color: var(--bg); }
.write__nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }

/* Preguntas */
.quiz-row { display: flex; align-items: center; gap: 10px; padding: 10px 10px 10px 4px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.quiz-row__main { flex: 1; min-width: 0; display: grid; gap: 4px; padding: 6px 12px; border: 0; background: none; text-align: left; }
.question-list__n { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--surface-2); font-weight: 700; font-size: 14px; font-variant-numeric: tabular-nums; }
.question-list__prompt { font-weight: 700; overflow-wrap: anywhere; }
.quiz { display: grid; gap: 16px; width: 100%; max-width: 640px; margin-inline: auto; padding-top: 8px; }
.quiz__prompt { font-family: var(--font-display); font-weight: 700; font-size: clamp(24px, 5vw, 34px); line-height: 1.2; text-wrap: balance; overflow-wrap: anywhere; }
.input--answer { min-height: 60px; font-size: 22px; font-family: var(--font-card); }
.quiz__feedback { display: grid; gap: 12px; }
.feedback { display: grid; gap: 4px; padding: 14px 16px; border-radius: 16px; color: var(--ink); }
.feedback--ok { background: var(--gr-good); }
.feedback--bad { background: var(--gr-again); }
.feedback__title { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 17px; }
.feedback__line { font-family: var(--font-card); font-size: 18px; font-weight: 700; overflow-wrap: anywhere; }
.feedback__line + .feedback__line { font-family: var(--font-body); font-size: 15px; font-weight: 400; }
.missed { width: 100%; max-width: 560px; margin: 0 auto; display: grid; gap: 8px; }
.missed ul { display: grid; gap: 6px; }
.missed li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 14px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); }
.finished__mark--retry { background: var(--gr-hard); }

/* Audio: pronunciación y escucha */
.audio { display: grid; gap: 18px; width: 100%; max-width: 640px; margin-inline: auto; padding-top: 8px; }
.word { display: grid; justify-items: center; gap: 4px; padding: 24px 18px; border-radius: 22px; background: var(--surface); border: 1px solid var(--line); text-align: center; }
.word__main { font-family: var(--font-card); font-weight: 700; font-size: clamp(40px, 11vw, 72px); line-height: 1.1; overflow-wrap: anywhere; }
.word__reading { font-family: var(--font-card); font-size: 22px; color: var(--muted); font-weight: 700; }
.word__meaning { font-size: 18px; font-weight: 700; }
.btn--mic { min-height: 56px; padding: 0 22px; background: var(--k-verb); color: var(--ink); font-size: 17px; }
.btn--mic.is-listening, .btn.is-listening { animation: pulse 1.1s ease-in-out infinite; }
.btn--big-play { width: 84px; height: 84px; border-radius: 50%; background: var(--k-phrase); color: var(--ink); padding: 0; }
.audio__hint { text-align: center; }
.audio__next { display: flex; justify-content: flex-end; }
.audio__next:empty { display: none; }
.audio__more { padding: 14px 16px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); }
.audio__more > summary { cursor: pointer; font-weight: 700; min-height: 32px; }
.audio__more[open] { display: grid; gap: 14px; }
.audio__alt { display: grid; gap: 6px; }
.audio__player { width: 100%; }
.options { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }
.option {
  display: flex; align-items: center; gap: 12px; min-height: 64px; padding: 12px 16px; border: 1.5px solid var(--line); border-radius: 16px;
  background: var(--surface); text-align: left; font-weight: 700; font-size: 16.5px;
}
.option:hover:not(:disabled) { border-color: var(--fg); }
.option:disabled { opacity: 1; cursor: default; }
.option.is-right { background: var(--gr-good); border-color: transparent; color: var(--ink); }
.option.is-wrong { background: var(--gr-again); border-color: transparent; color: var(--ink); }
.option__key { flex: none; display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; background: var(--surface-2); font-size: 13px; color: var(--fg); }
.option.is-right .option__key, .option.is-wrong .option__key { background: rgb(255 255 255 / 0.5); color: var(--ink); }
.callout--warn { border-left: 5px solid var(--gr-hard); }
@media (hover: none) { .option__key { display: none; } }

/* Listening */
.level-pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 700; color: var(--ink); }
.level-pill--easy { background: var(--gr-good); }
.level-pill--medium { background: var(--gr-hard); }
.level-pill--hard { background: var(--gr-again); }
.lang-col { min-width: 180px; }
.media-box { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 14px; background: var(--surface-2); }
.media-box__icon { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--k-phrase); color: var(--ink); }
.media-box__name { flex: 1; min-width: 140px; font-weight: 700; overflow-wrap: anywhere; }
.input--transcript { font-family: var(--font-card); font-size: 18px; line-height: 1.7; }
.listen { display: grid; gap: 16px; width: 100%; max-width: 820px; margin-inline: auto; }
.listen__tabs { justify-content: flex-start; }
.player { display: grid; gap: 10px; padding: 16px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); }
.player__media { width: 100%; max-height: 46dvh; border-radius: 12px; background: #000; }
audio.player__media { background: transparent; }
.player__row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.player__counter { font-weight: 700; color: var(--muted); font-variant-numeric: tabular-nums; }
.btn--play-sm { width: 60px; height: 60px; }
.speed { padding: 3px; }
.speed__opt { min-height: 36px; padding: 0 12px; border: 0; border-radius: 9px; background: none; font-weight: 700; font-variant-numeric: tabular-nums; }
.speed__opt.is-on { background: var(--surface); box-shadow: var(--shadow); }
.cloze { font-family: var(--font-card); font-size: clamp(19px, 3.6vw, 24px); line-height: 2.3; white-space: pre-wrap; overflow-wrap: anywhere; padding: 16px 18px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); }
.cloze__input {
  width: var(--w, 4em); max-width: 100%; margin: 0 3px; padding: 2px 6px; border: 0; border-bottom: 2.5px solid var(--k-phrase);
  border-radius: 6px 6px 0 0; background: color-mix(in srgb, var(--k-phrase) 14%, var(--surface)); font: inherit; font-size: 0.92em; text-align: center;
}
.cloze__input:focus { outline: none; border-bottom-color: var(--focus); background: color-mix(in srgb, var(--focus) 12%, var(--surface)); }
.cloze__input.is-right { border-bottom-color: var(--gr-good); background: color-mix(in srgb, var(--gr-good) 25%, var(--surface)); }
.cloze__input.is-wrong { border-bottom-color: var(--gr-again); background: color-mix(in srgb, var(--gr-again) 18%, var(--surface)); }
.cloze__input.is-wrong::placeholder { color: color-mix(in srgb, var(--danger) 70%, transparent); }
.lq-list { display: grid; gap: 14px; counter-reset: q; }
.lq { display: grid; gap: 8px; padding: 14px 16px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); }
.lq__prompt { font-weight: 700; font-size: 17px; }
.diff { font-family: var(--font-card); font-size: 20px; line-height: 2; white-space: pre-wrap; overflow-wrap: anywhere; padding: 14px 16px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); }
.diff__miss { background: color-mix(in srgb, var(--gr-again) 35%, transparent); color: inherit; border-radius: 3px; text-decoration: underline wavy var(--gr-again); }

@keyframes pulse { 50% { transform: scale(1.04); box-shadow: 0 0 0 8px color-mix(in srgb, var(--k-verb) 30%, transparent); } }

/* Vista de prueba dentro de Claude: el host ya maneja el tema y los bordes. */
.is-preview .sidebar { height: 100%; }

/* ───────── Listas de kanji ───────── */
.set-chip--add { border-style: dashed; color: var(--muted); gap: 6px; }
.set-chip--list:not(.is-on) { border-color: color-mix(in srgb, var(--k-character) 55%, var(--line)); }
.set-chip--kanji { font-family: var(--font-card); font-size: 22px; min-width: 52px; justify-content: center; }
.list-tools { margin-top: -10px; }
.input--kanji { font-family: var(--font-card); font-size: 26px; line-height: 1.5; letter-spacing: 0.08em; }
.pick-list { display: grid; gap: 8px; }
.pick-list__item { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 12px; min-height: 52px; padding: 10px 16px; border: 1.5px solid var(--line); border-radius: 16px; background: var(--surface); font-weight: 700; text-align: left; }
.pick-list__item:disabled { opacity: 0.55; }
.pick-list__meta { color: var(--muted); font-size: 13px; }

/* ───────── Kanji de memoria ───────── */
.recall__prompt { display: grid; gap: 10px; }
.recall__meaning { font-family: var(--font-card); font-size: 26px; font-weight: 700; line-height: 1.2; overflow-wrap: anywhere; }
.recall__readings { display: flex; flex-wrap: wrap; gap: 6px; }
.reading-chip { padding: 4px 10px; border-radius: 10px; font-family: var(--font-card); font-weight: 700; font-size: 17px; color: var(--ink); }
.reading-chip--on { background: color-mix(in srgb, var(--k-phrase) 75%, var(--surface)); }
.reading-chip--kun { background: color-mix(in srgb, var(--k-adjective) 70%, var(--surface)); }
.recall__answer { font-family: var(--font-card); font-size: 56px; font-weight: 700; line-height: 1; color: var(--muted); animation: pop-in 0.25s ease; }
.recall__answer[hidden] { display: none; }
.write__nav--single { grid-template-columns: 1fr; }
.write__board.has-stamp { position: relative; }
.write__board { position: relative; }
.recall-stamp {
  position: absolute; top: 4%; right: 4%; width: 22%; aspect-ratio: 1; display: grid; place-items: center;
  border: 4px solid currentColor; border-radius: 50%; font-size: clamp(30px, 8vw, 64px); font-weight: 700; line-height: 1;
  color: var(--gr-again); transform: rotate(-12deg); opacity: 0.85; pointer-events: none;
  animation: stamp-in 0.28s cubic-bezier(0.2, 0.9, 0.3, 1.4);
}
.recall-stamp--perfect { color: var(--gr-good); }
.recall-stamp--good { color: var(--gr-hard); }
@keyframes stamp-in { from { transform: rotate(-12deg) scale(1.6); opacity: 0; } }
.recall-summary { display: grid; gap: 8px; max-width: 560px; margin: 8px auto 0; width: 100%; }
.recall-summary__row { display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 12px; padding: 8px 14px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line); }
.recall-summary__ch { font-family: var(--font-card); font-size: 34px; font-weight: 700; text-align: center; }
.recall-summary__meaning { color: var(--muted); font-weight: 600; overflow-wrap: anywhere; }
.recall-summary__mark { font-size: 26px; font-weight: 700; color: var(--gr-again); }
.is-perfect .recall-summary__mark { color: var(--gr-good); }
.is-good .recall-summary__mark { color: var(--gr-hard); }

/* ───────── Diccionario ───────── */
.dict-search { display: flex; align-items: center; gap: 10px; padding: 0 14px; border: 1.5px solid var(--line); border-radius: 18px; background: var(--surface); color: var(--muted); }
.dict-search:focus-within { border-color: var(--fg); }
.input--search { flex: 1; min-width: 0; border: 0; background: transparent; min-height: 56px; padding: 0; font-size: 19px; outline: none; box-shadow: none; }
.dict-intro[hidden] { display: none; }
.dict-kanji { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.dict-kanji:empty { display: none; }
.dict-kanji__card { display: grid; gap: 2px; justify-items: start; padding: 12px 14px; border: 1.5px solid color-mix(in srgb, var(--k-character) 50%, var(--line)); border-radius: 18px; background: var(--surface); text-align: left; }
.dict-kanji__ch { font-family: var(--font-card); font-size: 40px; font-weight: 700; line-height: 1.1; }
.dict-kanji__meaning { font-weight: 700; overflow-wrap: anywhere; }
.dict-kanji__readings { color: var(--muted); font-size: 13.5px; }
.dict-results { display: grid; gap: 8px; }
.dict-word { width: 100%; display: grid; gap: 4px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); text-align: left; }
.dict-word:hover { border-color: var(--fg); }
.dict-word__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.dict-word__main { font-family: var(--font-card); font-size: 24px; font-weight: 700; line-height: 1.2; }
.dict-word__reading { font-family: var(--font-card); color: var(--muted); font-weight: 700; }
.dict-word__meaning { color: var(--fg); overflow-wrap: anywhere; }
.dict-word .tag { margin-left: 0; }
.tag--common { background: color-mix(in srgb, var(--k-adjective) 30%, var(--surface)); color: var(--fg); }
.dict-detail__word { font-family: var(--font-card); font-size: 40px; font-weight: 700; line-height: 1.15; overflow-wrap: anywhere; }
.dict-detail__reading { font-family: var(--font-card); font-size: 20px; color: var(--muted); font-weight: 700; }
.dict-senses { display: grid; gap: 6px; padding-left: 22px; }
.dict-senses li { overflow-wrap: anywhere; }
.dict-en summary { cursor: pointer; font-weight: 700; color: var(--muted); }
.dict-en .dict-senses { margin-top: 8px; color: var(--muted); }
.dict-external a { text-decoration: none; }
.dict-kanji-detail { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: center; }
.dict-kanji-detail__ch { font-family: var(--font-card); font-size: 96px; font-weight: 700; line-height: 1; padding: 6px 14px; border-radius: 20px; background: var(--surface-2); }
.dict-kanji-detail__meaning { font-size: 20px; font-weight: 700; overflow-wrap: anywhere; }
.dict-examples { display: grid; gap: 6px; }
.dict-examples li { display: grid; grid-template-columns: auto auto 1fr; gap: 10px; align-items: baseline; }
.dict-examples__word { font-family: var(--font-card); font-weight: 700; font-size: 20px; }
.dict-examples__reading { color: var(--muted); font-size: 14px; }
.dict-examples__meaning { overflow-wrap: anywhere; }
@media (max-width: 420px) {
  .nav__item { font-size: 10.5px; }
  .dict-kanji-detail__ch { font-size: 72px; }
  .dict-examples li { grid-template-columns: auto 1fr; }
  .dict-examples__meaning { grid-column: 1 / -1; }
}
.nav__label { max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dict-search .input--search, .dict-search .input--search:focus { border: 0; box-shadow: none; border-radius: 0; }
.dict-search:focus-within { border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb, var(--focus) 25%, transparent); }