.button{padding:var(--space-s) var(--space-m);border:2px solid var(--color-primary);border-radius:var(--radius-m);font:inherit;cursor:pointer;font-weight:600}.button--primary{color:var(--color-surface);background:var(--color-primary)}.button--secondary{color:var(--color-primary);background:var(--color-surface)}.button:disabled{opacity:.4;cursor:default}.form-field{gap:var(--space-xs);flex-direction:column;width:100%;display:flex}.form-field__label{font-size:var(--font-size-s);color:var(--color-text-muted)}.form-field__input{font-size:var(--font-size-m);text-align:left}.account-form{align-items:center;gap:var(--space-m);width:100%;max-width:var(--card-width);flex-direction:column;display:flex}.study-page{align-items:center;gap:var(--space-l);min-height:100dvh;padding:var(--space-m);flex-direction:column;display:flex}.study-page__header{width:100%;max-width:var(--card-width);color:var(--color-text-muted);justify-content:space-between;align-items:center;display:flex}.study-panel{align-items:center;gap:var(--space-m);width:100%;max-width:var(--card-width);padding:var(--space-l);border-radius:var(--radius-l);background:var(--color-surface);box-shadow:var(--shadow-card);text-align:center;flex-direction:column;display:flex}.study-panel__label{font-size:var(--font-size-s);color:var(--color-primary);text-transform:uppercase;font-weight:600}.study-controls{align-items:center;gap:var(--space-m);width:100%;max-width:var(--card-width);flex-direction:column;display:flex}.choice-list{gap:var(--space-s);width:100%;max-width:var(--card-width);flex-direction:column;display:flex}.tile-list{justify-content:center;gap:var(--space-s);width:100%;max-width:var(--card-width);flex-wrap:wrap;display:flex}.tile-list__tile{min-width:2.6em;font-size:var(--font-size-l);font-weight:700}.tile-list__tile:disabled{opacity:.25;cursor:default}.card-image{font-size:var(--font-size-image);line-height:1}.card-image--file{object-fit:contain;max-width:100%;max-height:50%}.card-native{font-size:var(--font-size-l);font-weight:600}.card-target{font-size:var(--font-size-xl);font-weight:700}.card-target--masculine{color:var(--color-gender-masculine)}.card-target--feminine{color:var(--color-gender-feminine)}.card-ipa{color:var(--color-text-muted)}.card-example--native{font-size:var(--font-size-s);color:var(--color-text-muted)}.cloze-sentence{font-size:var(--font-size-l)}.cloze-blank{min-width:3ch;margin:0 var(--space-xs);border-bottom:3px solid var(--color-primary);color:#0000;-webkit-user-select:none;user-select:none;display:inline-block}.daily-option{width:100%}.daily-option--correct{border-color:var(--color-success);color:var(--color-success)}.daily-option--wrong{border-color:var(--color-danger);color:var(--color-danger)}.daily-squares{font-size:var(--font-size-l);letter-spacing:2px}.daily-share-text{padding:var(--space-m);border-radius:var(--radius-m);font:inherit;text-align:center;white-space:pre-wrap;background:var(--color-surface);margin:0}.deck-grid{gap:var(--space-s);grid-template-columns:repeat(auto-fill,minmax(88px,1fr));width:100%;max-width:720px;margin:0;padding:0;list-style:none;display:grid}.deck-tile{align-items:center;gap:var(--space-xs);padding:var(--space-s) var(--space-xs);border:3px solid var(--color-text-muted);border-radius:var(--radius-m);background:var(--color-surface);text-align:center;flex-direction:column;display:flex}.deck-tile--none{opacity:.6;border-style:dashed}.deck-tile--bronze{border-color:var(--color-bronze)}.deck-tile--silver{border-color:var(--color-silver)}.deck-tile--gold{border-color:var(--color-gold)}.deck-tile--due{opacity:.45}.deck-tile__image{font-size:var(--font-size-l);line-height:1}.deck-tile__word{font-size:var(--font-size-s);overflow-wrap:anywhere}.deck-filters{justify-content:center;gap:var(--space-s);flex-wrap:wrap;display:flex}.stars{color:var(--color-warning);letter-spacing:1px}.stars__empty{opacity:.25}.game-card{justify-content:center;align-items:center;gap:var(--space-xs);padding:var(--space-s) var(--space-xs);border-radius:var(--radius-m);font:inherit;color:var(--color-text);background:var(--color-surface);box-shadow:var(--shadow-card);border:2px solid #0000;flex-direction:column;display:flex}.game-card--hand{min-width:0;min-height:var(--hand-card-height);cursor:pointer;flex:1 1 0}.game-card--hand:hover,.game-card--hand:focus-visible{border-color:var(--color-primary)}.game-card--hand .card-image{font-size:var(--font-size-xl)}.game-card--hand .card-native{font-size:var(--font-size-s);overflow-wrap:anywhere}.game-card--back{min-height:var(--space-xl);font-size:var(--font-size-s);background:var(--color-primary);flex:1 1 0}.game-card--back .stars{color:var(--color-surface)}.score-bar{justify-content:space-between;align-items:center;gap:var(--space-s);width:100%;max-width:var(--card-width);flex-wrap:wrap;display:flex}.score-bar__player{flex-direction:column;align-items:center;display:flex}.score-bar__name,.score-bar__streak,.score-bar__trick{font-size:var(--font-size-s);color:var(--color-text-muted)}.score-bar__score{font-size:var(--font-size-l);font-weight:700}.timer{width:100%;max-width:var(--card-width);height:var(--space-s);border-radius:var(--radius-m);background:var(--color-surface);overflow:hidden}.timer__fill{background:var(--color-primary);height:100%}.timer__fill--low{background:var(--color-danger)}.hint-slots{justify-content:center;gap:var(--space-xs);font-size:var(--font-size-l);flex-wrap:wrap;font-weight:700;display:flex}.hint-slots__letter{border-bottom:3px solid var(--color-primary);text-align:center;width:1.2em;height:1.5em}.hint-slots__gap{text-align:center;width:.6em}.accent-keys{justify-content:center;gap:var(--space-xs);flex-wrap:wrap;display:flex}.accent-keys__key{min-width:2.2em;padding:var(--space-xs) var(--space-s);border:1px solid var(--color-text-muted);border-radius:var(--radius-m);font:inherit;color:var(--color-text);background:var(--color-surface);cursor:pointer}.answer-input{width:100%;padding:var(--space-s) var(--space-m);border:2px solid var(--color-primary);border-radius:var(--radius-m);font:inherit;font-size:var(--font-size-l);text-align:center;color:var(--color-text);background:var(--color-surface)}.answer-form{align-items:center;gap:var(--space-m);width:100%;max-width:var(--card-width);flex-direction:column;display:flex}.answer-form__row{justify-content:center;gap:var(--space-s);flex-wrap:wrap;display:flex}.game-page__hand{gap:var(--space-xs);width:100%;max-width:var(--card-width);display:flex}.game-page__title{text-align:center;font-weight:600}.game-page__label{font-size:var(--font-size-s);color:var(--color-text-muted);text-align:center}.game-page__result{gap:var(--space-xs);padding:var(--space-m)}.game-page__word{font-size:var(--font-size-l);font-weight:700}.game-page__points{font-weight:600}.card-set-picker{align-items:center;gap:var(--space-xs);flex-direction:column;display:flex}.card-set-picker__label{font-size:var(--font-size-s);color:var(--color-text-muted)}.card-set-picker__select{padding:var(--space-s) var(--space-m);border:2px solid var(--color-primary);border-radius:var(--radius-m);font:inherit;color:var(--color-text);background:var(--color-surface)}.home-page{justify-content:center;align-items:center;gap:var(--space-m);min-height:100dvh;padding:var(--space-l);text-align:center;flex-direction:column;display:flex}.home-page__title{font-size:var(--font-size-xl);color:var(--color-text)}.home-page__subtitle{font-size:var(--font-size-m);color:var(--color-text-muted)}.play-card{min-height:var(--card-height);justify-content:center}.play-card__back{align-items:center;gap:var(--space-s);flex-direction:column;display:flex}.play-card__back--hidden{visibility:hidden}.play-controls{justify-content:center;gap:var(--space-s);flex-wrap:wrap;display:flex}.flip-card{width:100%;max-width:var(--card-width);height:var(--card-height);perspective:1000px}.flip-card__inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .5s;position:relative}.flip-card--flipped .flip-card__inner{transform:rotateY(180deg)}.flip-card__face{justify-content:center;align-items:center;gap:var(--space-m);padding:var(--space-l);border-radius:var(--radius-l);background:var(--color-surface);box-shadow:var(--shadow-card);backface-visibility:hidden;text-align:center;flex-direction:column;display:flex;position:absolute;inset:0}.flip-card__face--back{transform:rotateY(180deg)}@media (prefers-reduced-motion:reduce){.flip-card__inner{transition:none}}:root{--color-background:#f6f4ef;--color-surface:#fff;--color-text:#1f2430;--color-text-muted:#5c6370;--color-primary:#2f5fd0;--color-success:#2e8b57;--color-warning:#c98a12;--color-danger:#c0392b;--color-bronze:#b0703a;--color-silver:#8a94a3;--color-gold:#d4a017;--color-gender-masculine:#2f5fd0;--color-gender-feminine:#c2417a;--space-xs:4px;--space-s:8px;--space-m:16px;--space-l:24px;--space-xl:40px;--font-family:system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-size-s:.875rem;--font-size-m:1rem;--font-size-l:1.5rem;--font-size-xl:2.25rem;--font-size-image:6rem;--radius-m:12px;--radius-l:20px;--card-width:360px;--card-height:400px;--hand-card-height:120px;--shadow-card:0 6px 24px #1f24301f}*,:before,:after{box-sizing:border-box}body{font-family:var(--font-family);font-size:var(--font-size-m);color:var(--color-text);background:var(--color-background);margin:0}h1,h2,h3,p{margin:0}.message{text-align:center;font-weight:600}.message--success{color:var(--color-success)}.message--warning{color:var(--color-warning)}.message--error{color:var(--color-danger)}