.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(135deg,#667eea,#764ba2)}.auth-screen__card{background:#fff;border-radius:12px;box-shadow:0 10px 30px #0003;padding:2.5rem;max-width:26rem;width:100%;text-align:center}.auth-screen__title{margin:0 0 .75rem;font-size:1.6rem;color:#333}.auth-screen__text{margin:0 0 1.5rem;color:#555;line-height:1.5}.auth-screen__email{font-weight:600;word-break:break-all}.auth-screen__button{display:inline-block;padding:.75rem 2rem;font-size:1rem;font-weight:600;color:#fff;background:#667eea;border:none;border-radius:8px;cursor:pointer;transition:background .2s}.auth-screen__button:hover{background:#5568d3}.auth-screen__button--secondary{background:transparent;color:#667eea;border:1px solid #667eea;margin-top:.75rem}.auth-screen__button--secondary:hover{background:#667eea14;color:#5568d3}.auth-screen__error{color:#b00020;margin-bottom:1rem}.auth-screen__text--secondary{font-size:.85rem;opacity:.75}.header{position:fixed;top:0;left:0;right:0;height:60px;background:#fff;border-bottom:1px solid #e0e0e0;z-index:1000;box-shadow:0 2px 4px #0000000d}.header__container{display:flex;align-items:center;height:100%;padding:0 1rem;max-width:1200px;margin:0 auto}.header__menu-button{width:44px;height:44px;border:none;background:transparent;color:#333;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:8px;transition:background .2s ease;margin-right:1rem}.header__menu-button:hover{background:#f5f5f5}.header__menu-button:active{background:#e0e0e0}.header__logo{text-decoration:none;color:inherit}.header__title{font-size:1.5rem;font-weight:700;margin:0;color:#1976d2}@media(max-width:768px){.header__title{font-size:1.25rem}.header__menu-button{width:40px;height:40px;font-size:20px}}.menu__backdrop{position:fixed;inset:0;background:#00000080;z-index:1001;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.menu{position:fixed;top:0;left:-280px;width:280px;height:100vh;background:#fff;box-shadow:2px 0 8px #00000026;z-index:1002;transition:left .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}.menu--open{left:0}.menu__header{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid #e0e0e0;height:60px}.menu__title{font-size:1.25rem;font-weight:600;margin:0;color:#333}.menu__close{width:36px;height:36px;border:none;background:transparent;color:#666;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:background .2s ease}.menu__close:hover{background:#f5f5f5;color:#333}.menu__list{list-style:none;margin:0;padding:.5rem 0;flex:1;overflow-y:auto}.menu__item{margin:0}.menu__link{display:flex;align-items:center;padding:.875rem 1.5rem;color:#333;text-decoration:none;transition:background .2s ease;gap:1rem}.menu__link:hover{background:#f5f5f5}.menu__link:active{background:#e0e0e0}.menu__icon{font-size:1.25rem;width:24px;height:24px;display:flex;align-items:center;justify-content:center}.menu__text{font-size:1rem;font-weight:500}@media(max-width:768px){.menu{width:260px;left:-260px}}.menu__account{margin-top:auto;border-top:1px solid #e0e0e0;padding:.75rem 0}.menu__account-email{padding:.25rem 1.5rem .5rem;font-size:.8rem;color:#888;word-break:break-all}.menu__signout{display:flex;align-items:center;gap:1rem;width:100%;padding:.875rem 1.5rem;background:none;border:none;color:#333;cursor:pointer;font:inherit;transition:background .2s ease}.menu__signout:hover{background:#f5f5f5}.home{min-height:calc(100vh - 60px);margin-top:60px;display:flex;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.home__container{max-width:600px;text-align:center}.home__title{font-size:3rem;font-weight:700;margin:0 0 1rem;color:#1a1a1a}.home__description{font-size:1.25rem;color:#666;margin:0 0 2rem;line-height:1.6}.home__actions{display:flex;gap:1rem;justify-content:center}.home__button{padding:1rem 2rem;font-size:1.125rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;text-decoration:none;display:inline-block;transition:all .2s ease}.home__button--primary{background:#1976d2;color:#fff}.home__button--primary:hover{background:#1565c0;transform:translateY(-2px);box-shadow:0 4px 12px #1976d24d}@media(max-width:768px){.home__title{font-size:2rem}.home__description{font-size:1rem}.home__button{padding:.875rem 1.5rem;font-size:1rem}}.library{min-height:calc(100vh - 60px);margin-top:60px;padding:2rem;background:#f9fafb}.library__container{max-width:1200px;margin:0 auto}.library__loading{display:flex;align-items:center;justify-content:center;min-height:400px;color:#666;font-size:1.125rem}.library__error{margin-top:2rem;padding:1rem 1.25rem;background:#ffebee;border:1px solid #ef5350;border-radius:8px;color:#c62828}.library__error strong{display:block;margin-bottom:.25rem;font-weight:600}.library__error p{margin:0;font-size:.95rem}.library__title{font-size:2.5rem;font-weight:700;margin:0 0 .5rem;color:#1a1a1a}.library__subtitle{font-size:1.125rem;color:#666;margin:0 0 2rem}.library__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}.library__card{background:#fff;border-radius:12px;padding:1.5rem;box-shadow:0 2px 8px #00000014;cursor:pointer;transition:all .2s ease;border:2px solid transparent}.library__card:hover{transform:translateY(-4px);box-shadow:0 8px 20px #0000001f;border-color:#1976d2}.library__card:focus{outline:none;border-color:#1976d2;box-shadow:0 0 0 3px #1976d21a}.library__card-header{margin-bottom:1rem}.library__card-title{font-size:1.25rem;font-weight:600;margin:0;color:#1a1a1a;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.library__card-meta{display:flex;gap:1rem;flex-wrap:wrap;font-size:.875rem;color:#666}.library__card-date,.library__card-words{display:flex;align-items:center;gap:.25rem}.library__empty{text-align:center;padding:4rem 2rem;max-width:500px;margin:0 auto}.library__empty-title{font-size:2rem;font-weight:600;margin:0 0 1rem;color:#1a1a1a}.library__empty-text{font-size:1.125rem;color:#666;margin:0 0 2rem;line-height:1.6}.library__empty-button{padding:1rem 2rem;font-size:1.125rem;font-weight:600;border:none;border-radius:8px;background:#1976d2;color:#fff;cursor:pointer;transition:all .2s ease}.library__empty-button:hover{background:#1565c0;transform:translateY(-2px);box-shadow:0 4px 12px #1976d24d}@media(max-width:768px){.library{padding:1rem}.library__title{font-size:2rem}.library__subtitle{font-size:1rem}.library__grid{grid-template-columns:1fr;gap:1rem}.library__card{padding:1.25rem}.library__card-title{font-size:1.125rem}.library__empty{padding:2rem 1rem}.library__empty-title{font-size:1.5rem}.library__empty-text{font-size:1rem}.library__empty-button{padding:.875rem 1.5rem;font-size:1rem}}.import-controls{max-width:600px;margin:0 auto;padding:2rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;transition:all .3s ease-in-out;position:relative}.import-controls--collapsed{width:60px;max-width:60px;padding:0;margin:0;height:100vh;position:fixed;left:0;top:0;background:#fff;box-shadow:2px 0 8px #0000001a;z-index:100}.import-controls--expanded{width:100%}.import-controls__toggle{width:60px;height:60px;border:none;background:#1976d2;color:#fff;font-size:24px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s ease;border-radius:0}.import-controls__toggle:hover{background:#1565c0}.import-controls__collapse{position:absolute;top:1rem;right:1rem;width:32px;height:32px;background:transparent;border:none;font-size:20px;cursor:pointer;color:#666;display:flex;align-items:center;justify-content:center;border-radius:4px;transition:background .2s ease;z-index:10}.import-controls__collapse:hover{background:#f5f5f5;color:#333}.import-controls__content{transition:opacity .3s ease-in-out,visibility .3s ease-in-out;opacity:1;visibility:visible}.import-controls__content--hidden{opacity:0;visibility:hidden;position:absolute;left:-9999px;pointer-events:none}.import-controls__header{display:none}.import-controls__title{font-size:1.75rem;font-weight:700;margin:0 0 1.5rem;color:#1a1a1a;text-align:center}.import-controls__error{padding:1rem;margin-bottom:1.5rem;background:#ffebee;border:1px solid #ef5350;border-radius:8px;color:#c62828}.import-controls__error strong{font-weight:600}.import-controls__section{margin-bottom:2rem}.import-controls__section-title{font-size:1.125rem;font-weight:600;margin:0 0 1rem;color:#333}.import-controls__file-input{display:none}.import-controls__button{width:100%;padding:.875rem 1.5rem;font-size:1rem;font-weight:500;color:#fff;background:#1976d2;border:none;border-radius:8px;cursor:pointer;transition:background .2s ease}.import-controls__button:hover:not(:disabled){background:#1565c0}.import-controls__button:disabled{background:#bdbdbd;cursor:not-allowed}.import-controls__hint{margin:.5rem 0 0;font-size:.875rem;color:#666;text-align:center}.import-controls__divider{display:flex;align-items:center;margin:2rem 0;text-align:center}.import-controls__divider:before,.import-controls__divider:after{content:"";flex:1;border-bottom:1px solid #e0e0e0}.import-controls__divider span{padding:0 1rem;color:#999;font-weight:500;font-size:.875rem}.import-controls__url-input{width:100%;padding:.875rem;font-size:1rem;font-family:inherit;border:2px solid #e0e0e0;border-radius:8px;margin-bottom:1rem;transition:border-color .2s ease}.import-controls__url-input:focus{outline:none;border-color:#1976d2}.import-controls__url-input:disabled{background:#f5f5f5;cursor:not-allowed}.import-controls__textarea{width:100%;padding:.875rem;font-size:1rem;font-family:inherit;border:2px solid #e0e0e0;border-radius:8px;resize:vertical;margin-bottom:1rem;transition:border-color .2s ease}.import-controls__textarea:focus{outline:none;border-color:#1976d2}.import-controls__textarea:disabled{background:#f5f5f5;cursor:not-allowed}.import-controls__loading{padding:1rem;text-align:center;background:#e3f2fd;border-radius:8px;color:#1976d2;font-weight:500}@media(max-width:768px){.import-controls{position:fixed;inset:auto 0 0;width:100%;max-width:100%;height:auto;max-height:85vh;border-radius:16px 16px 0 0;box-shadow:0 -4px 20px #00000026;padding:0;transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:1000}.import-controls--collapsed{transform:translateY(calc(100% - 70px))}.import-controls:before{content:"";position:absolute;top:8px;left:50%;transform:translate(-50%);width:40px;height:4px;background:var(--border-color);border-radius:2px;opacity:.5}.import-controls__header{display:block;padding:1.5rem 1rem 1rem;border-bottom:1px solid var(--border-color);cursor:pointer;user-select:none;-webkit-tap-highlight-color:transparent;background:#fff}.import-controls--collapsed .import-controls__header{cursor:pointer}.import-controls__title{font-size:1.25rem;margin:0;text-align:center}.import-controls__content{padding:1rem;overflow-y:auto;max-height:calc(85vh - 70px);-webkit-overflow-scrolling:touch}.import-controls__toggle{display:none}.import-controls:not(.import-controls--collapsed):after{content:"";position:fixed;inset:0;background:#0006;z-index:-1;animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.import-controls__section{margin-bottom:1.5rem}.import-controls__section-title{font-size:1rem}.import-controls__button,.import-controls__file-button{width:100%}.import-controls__input,.import-controls__textarea,.import-controls__url-input{font-size:16px}}.import-page{min-height:calc(100vh - 60px);margin-top:60px;padding:2rem;background:#f9fafb}.import-page__container{max-width:800px;margin:0 auto}@media(max-width:768px){.import-page{padding:1rem}}.word{cursor:pointer}.word--looked-up{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px}.reader{max-width:800px;margin:0 auto;padding:2rem;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}.reader--empty{display:flex;align-items:center;justify-content:center;min-height:60vh}.reader__placeholder{text-align:center;color:#666}.reader__placeholder h2{font-size:1.5rem;margin-bottom:.5rem;color:#333}.reader__placeholder p{font-size:1rem;color:#888}.reader__header{display:flex;justify-content:space-between;align-items:flex-start;gap:2rem;margin-bottom:2rem;padding-bottom:1rem;border-bottom:2px solid #e0e0e0}.reader__header-content{flex:1}.reader__title{font-size:2rem;font-weight:700;margin:0 0 1rem;color:#1a1a1a;line-height:1.3}.reader__meta{display:flex;gap:1rem;flex-wrap:wrap;font-size:.875rem;color:#666}.reader__source-type{padding:.25rem .75rem;background:#e3f2fd;color:#1976d2;border-radius:4px;font-weight:500}.reader__word-count,.reader__date{padding:.25rem 0}.reader__tagging{padding:.25rem .75rem;background:#fff8e1;color:#b26a00;border-radius:4px;font-weight:500}.reader__content{line-height:1.8;font-size:1.125rem;color:#333}.reader__paragraph{margin:0 0 1.5rem;text-align:justify}.reader__paragraph:last-child{margin-bottom:0}.reader__save-button{padding:.75rem 1.5rem;font-size:1rem;font-weight:600;border:none;border-radius:8px;background:#1976d2;color:#fff;cursor:pointer;transition:all .2s ease;white-space:nowrap;display:flex;align-items:center;gap:.5rem}.reader__save-button:hover:not(:disabled){background:#1565c0;transform:translateY(-2px);box-shadow:0 4px 12px #1976d24d}.reader__save-button:disabled{opacity:.6;cursor:not-allowed}.reader__save-button--saved{background:#4caf50}.reader__save-button--saved:hover{background:#45a049}@media(max-width:768px){.reader__header{flex-direction:column;gap:1rem}.reader__save-button{width:100%;justify-content:center}.reader{padding:1rem}.reader__title{font-size:1.5rem}.reader__content{font-size:1rem}}.translation-tooltip{position:absolute;box-sizing:border-box;min-width:240px;max-height:calc(100vh - 80px);overflow-y:auto;padding:.75rem .9rem;background:#f4f4f4;border:1px solid #d8d8d8;border-radius:6px;box-shadow:0 2px 8px #00000014;color:inherit;font-family:inherit;font-size:inherit;line-height:1.5;z-index:9999}.translation-tooltip--above{transform:translateY(-100%);animation:tooltip-in-above .18s cubic-bezier(.22,1,.36,1)}.translation-tooltip--below{animation:tooltip-in-below .18s cubic-bezier(.22,1,.36,1)}@keyframes tooltip-in-above{0%{opacity:0;transform:translateY(calc(-100% + 8px))}to{opacity:1;transform:translateY(-100%)}}@keyframes tooltip-in-below{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.translation-tooltip__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.translation-tooltip__pair{font-size:.78em;font-weight:500;color:#666;text-transform:uppercase;letter-spacing:.04em}.translation-tooltip__word{font-weight:600;margin-bottom:.35rem}.translation-tooltip__divider{height:1px;background:#00000014;margin-bottom:.55rem}.translation-tooltip__loading{display:flex;align-items:center;gap:.5rem;color:#666;font-style:italic}.translation-tooltip__spinner{display:inline-block;width:12px;height:12px;border:2px solid rgba(0,0,0,.15);border-top-color:#444;border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.translation-tooltip__error{color:#b33;font-style:italic}.translation-tooltip__close{background:none;border:none;color:#666;cursor:pointer;padding:0 4px;line-height:1}.translation-tooltip__close:hover{color:#222}.translation-tooltip__highlight{background:none;color:inherit;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:2px;font-weight:600;padding:0}.translation-tooltip__highlight--exact,.translation-tooltip__highlight--prefix{text-decoration-style:solid;text-decoration-thickness:2px;font-weight:600}.translation-tooltip__highlight--fuzzy{text-decoration-style:dotted;text-decoration-thickness:2px;font-weight:500}.translation-tooltip__highlight--interpolated{text-decoration:none;background:#ffdc7840;border-radius:2px;font-weight:500;padding:0 2px}.translation-tooltip__empty{color:#666;font-style:italic;padding:2px 0}.translation-tooltip__gloss-group{margin-bottom:.55rem}.translation-tooltip__gloss-group:last-child{margin-bottom:0}.translation-tooltip__gloss-lang{font-size:.75em;text-transform:uppercase;letter-spacing:.05em;color:#666;margin-bottom:2px}.translation-tooltip__hits{display:flex;flex-direction:column;gap:4px;max-height:240px;overflow-y:auto}.translation-tooltip__hit{padding:2px 0}.translation-tooltip__hit-head{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}.translation-tooltip__hit-lemma{font-weight:600}.translation-tooltip__hit-pos{font-size:.75em;text-transform:uppercase;color:#888;letter-spacing:.03em}.translation-tooltip__hit-source{font-size:.72em;color:#888;font-style:italic}.translation-tooltip__hit-def{font-size:inherit;line-height:1.5;margin:1px 0 0}.translation-tooltip__page-button{margin-top:.5rem;width:100%;padding:4px 8px;font-family:inherit;font-size:.9em;background:none;color:#444;border:1px solid #d0d0d0;border-radius:4px;cursor:pointer}.translation-tooltip__page-button:hover:not(:disabled){background:#0000000a;color:#000}.translation-tooltip__page-button:disabled{opacity:.55;cursor:progress}.reader__header-actions{display:flex;gap:.5rem;align-items:center}.reader__finish-button{padding:.5rem .9rem;border:1px solid var(--color-border, #d0d0d0);border-radius:6px;background:transparent;color:var(--color-text, #222);cursor:pointer;font-size:.9rem}.reader__finish-button:hover:not(:disabled){background:#0000000a}.reader__finish-button:disabled{opacity:.6;cursor:progress}.reader__modal-overlay{position:fixed;inset:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:1000}.reader__modal{background:var(--color-surface, #fff);color:var(--color-text, #222);border-radius:10px;padding:1.5rem;max-width:420px;width:calc(100% - 2rem);box-shadow:0 10px 40px #00000040}.reader__modal-title{margin:0 0 .5rem;font-size:1.15rem}.reader__modal-body{margin:0 0 1.25rem;opacity:.85}.reader__modal-actions{display:flex;flex-direction:column;gap:.5rem}.reader__modal-actions button{padding:.6rem .9rem;border-radius:6px;border:1px solid var(--color-border, #d0d0d0);cursor:pointer;font-size:.92rem}.reader__modal-primary{background:var(--color-accent, #2d6cdf);color:#fff;border-color:transparent}.reader__modal-secondary{background:transparent}.reader__modal-secondary:disabled{opacity:.5;cursor:not-allowed}.reader__modal-cancel{background:transparent;opacity:.75}.reader-page{min-height:calc(100vh - 60px);margin-top:60px}.reader-page--loading{display:flex;align-items:center;justify-content:center;padding:2rem;color:#666;font-size:1.125rem}.vocab-page{max-width:760px;margin:0 auto;padding:calc(60px + 1.5rem) 1rem 4rem}.vocab-page__title{margin:0 0 .25rem}.vocab-page__lang{margin:0 0 1.25rem;opacity:.75}.vocab-page__loading,.vocab-page__empty{opacity:.7}.vocab-page__stats{display:flex;gap:1rem;margin-bottom:2rem;flex-wrap:wrap}.vocab-stat{display:flex;flex-direction:column;align-items:center;min-width:120px;padding:1rem;border-radius:10px;background:#0000000a}.vocab-stat__num{font-size:1.8rem;font-weight:700}.vocab-stat__label{font-size:.85rem;opacity:.7}.vocab-page__heading{font-size:1.15rem;margin:0 0 .75rem}.vocab-toolbar{display:flex;align-items:center;gap:1rem;padding:.4rem .25rem;border-bottom:1px solid rgba(0,0,0,.08)}.vocab-toolbar__all{display:flex;align-items:center;gap:.5rem;font-size:.9rem;cursor:pointer}.vocab-toolbar__discard{margin-left:auto;padding:.35rem .9rem;border:none;border-radius:8px;background:#2b6cb0;color:#fff;font-size:.85rem;cursor:pointer}.vocab-toolbar__discard:disabled{opacity:.45;cursor:default}.vocab-list{list-style:none;margin:0;padding:0}.vocab-list__item{display:flex;align-items:center;gap:.75rem;padding:.5rem .25rem;border-bottom:1px solid rgba(0,0,0,.08)}.vocab-list__check{cursor:pointer}.vocab-list__rank{width:2.5rem;opacity:.5;font-variant-numeric:tabular-nums}.vocab-list__lemma{font-weight:600}.vocab-list__pos{font-size:.8rem;opacity:.6}.vocab-list__freq{margin-left:auto;font-size:.8rem;opacity:.55}.vocab-list__known{padding:.2rem .6rem;border:1px solid rgba(0,0,0,.2);border-radius:8px;background:transparent;color:inherit;font-size:.8rem;cursor:pointer;white-space:nowrap}.vocab-list__known:hover:not(:disabled){background:#2b6cb01f;border-color:#2b6cb0}.vocab-list__known:disabled{opacity:.45;cursor:default}.review-page{max-width:560px;margin:0 auto;padding:calc(60px + 1.5rem) 1rem 4rem;text-align:center}.review-page__title{margin:0 0 1.5rem}.review-page__empty,.review-page__done{opacity:.8;font-size:1.05rem}.review-page__ahead{margin-top:1.25rem;padding:.6rem 1.5rem;border-radius:8px;cursor:pointer;font-size:1rem;border:1px solid var(--color-border, #d0d0d0);background:transparent}.review-card{border:1px solid rgba(0,0,0,.1);border-radius:14px;padding:2rem 1.5rem;box-shadow:0 4px 20px #0000000f}.review-card__progress{font-size:.8rem;opacity:.5;margin-bottom:1rem}.review-card__word{font-size:2rem;font-weight:700}.review-card__pos{font-size:.85rem;opacity:.6;margin-bottom:1.5rem}.review-card__reveal{padding:.6rem 1.5rem;border-radius:8px;border:1px solid var(--color-border, #d0d0d0);background:transparent;cursor:pointer;font-size:1rem}.review-card__gloss-group{text-align:left;margin:0 0 1rem}.review-card__gloss-lang{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;opacity:.55;margin-bottom:.15rem}.review-card__defs{text-align:left;margin:0 0 1rem;padding-left:1.2rem}.review-card__defs li{margin:.25rem 0}.review-card__nogloss{opacity:.6;margin-bottom:1.5rem}.review-card__grade{display:flex;gap:.75rem;justify-content:center}.review-card__grade button{padding:.6rem 1.5rem;border-radius:8px;cursor:pointer;font-size:1rem;border:1px solid transparent}.review-card__miss{background:#c83c3c1f;color:#b03030}.review-card__got{background:#3ca05a26;color:#248046}.settings-page{padding:2rem;max-width:800px;margin:0 auto}.settings-page__container{display:flex;flex-direction:column;gap:2rem}.settings-page__title{font-size:2rem;font-weight:700;color:var(--text-color, #1a1a1a);margin-bottom:.25rem}.settings-page__version{font-size:.875rem;color:var(--text-secondary, #6b7280);margin-bottom:.75rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;letter-spacing:.02em}.settings-logpath-banner{display:flex;align-items:center;gap:.75rem;background:var(--code-bg, #1e293b);border-radius:8px;padding:.6rem 1rem;margin-bottom:1.5rem;flex-wrap:wrap}.settings-logpath-label{font-size:.8rem;font-weight:600;color:var(--text-secondary, #94a3b8);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap}.settings-logpath-value{flex:1;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.8rem;color:var(--code-text, #e2e8f0);word-break:break-all}.btn-copy{background:var(--primary-color, #0066cc);color:#fff;border:none;border-radius:4px;padding:.3rem .75rem;font-size:.8rem;font-weight:600;cursor:pointer;transition:background-color .2s;white-space:nowrap}.btn-copy:hover:not(:disabled){background:var(--primary-hover, #0052a3)}.btn-copy:disabled{opacity:.4;cursor:default}.settings-section{display:flex;flex-direction:column;gap:1.5rem}.settings-section__title{font-size:1.5rem;font-weight:600;color:var(--text-color, #1a1a1a);border-bottom:2px solid var(--border-color, #eaeaea);padding-bottom:.5rem}.settings-card{background:var(--card-bg, #ffffff);border-radius:12px;padding:1.5rem;box-shadow:0 4px 6px #0000000d,0 1px 3px #0000001a;display:flex;flex-direction:column;gap:1rem}.settings-row{display:flex;justify-content:space-between;align-items:center;padding:.75rem 0}.settings-row:not(:last-child){border-bottom:1px solid var(--border-color, #eaeaea)}.settings-label{font-weight:500;color:var(--text-secondary, #4a4a4a)}.badge{background:var(--primary-color, #0066cc);color:#fff;padding:.25rem .75rem;border-radius:1rem;font-size:.875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.badge--secondary{background:var(--secondary-color, #6b7280)}.log-destination-card{background:var(--bg-secondary, #f8fafc);border:1px solid var(--border-color, #eaeaea)}.settings-card__subtitle{font-size:1.1rem;font-weight:600;color:var(--text-color, #1a1a1a);margin-bottom:.5rem}.log-description{color:var(--text-secondary, #4a4a4a);font-size:.95rem;line-height:1.5;margin-bottom:1rem}.log-path-box{background:var(--code-bg, #1e293b);border-radius:6px;padding:1rem;overflow-x:auto}.log-path-box code{color:var(--code-text, #e2e8f0);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.875rem}.btn-download{background:var(--primary-color, #0066cc);color:#fff;border:none;border-radius:6px;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;cursor:pointer;transition:background-color .2s,transform .1s;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn-download:hover{background:var(--primary-hover, #0052a3)}.btn-download:active{transform:translateY(1px)}.settings-description{color:var(--text-secondary, #4a4a4a);font-size:.95rem;line-height:1.6}.settings-row--column{flex-direction:column;align-items:flex-start;gap:.75rem}.settings-pair-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:.6rem;width:100%}.settings-pair-btn{padding:.6rem 1rem;border:2px solid var(--border-color, #d1d5db);border-radius:8px;background:transparent;color:var(--text-color, #1a1a1a);font-size:.9rem;font-weight:500;cursor:pointer;transition:border-color .15s,background .15s,color .15s;text-align:left}.settings-pair-btn:hover{border-color:var(--primary-color, #0066cc);background:#0066cc0f}.settings-pair-btn--active{border-color:var(--primary-color, #0066cc);background:var(--primary-color, #0066cc);color:#fff}.setup-container{padding:2.5rem;max-width:650px;margin:4rem auto 0;text-align:center;background:var(--bg-surface, rgba(40, 40, 40, .8));border-radius:12px;box-shadow:0 8px 30px #0000004d;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.08)}.setup-container h2{margin-bottom:1rem;color:var(--text-primary, #ffffff);font-size:1.8rem;font-weight:700}.setup-container p{color:var(--text-secondary, #cccccc);margin-bottom:1.5rem;line-height:1.6;font-size:1.05rem}.primary-button{background:var(--accent-primary, #4a90e2);color:#fff;border:none;padding:14px 28px;font-size:1.1rem;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s ease;margin-top:1rem}.primary-button:hover{background:var(--accent-hover, #357abd);transform:translateY(-2px);box-shadow:0 4px 12px #4a90e266}.primary-button.outline{background:transparent;border:2px solid var(--accent-primary, #4a90e2);color:var(--text-primary, white)}.primary-button.outline:hover{background:var(--accent-primary, #4a90e2)}.progress-container{margin-top:2.5rem;padding:1.5rem;background:#0003;border-radius:8px}.progress-text{font-size:.95rem;color:var(--text-primary, #ffffff)!important;font-weight:500;margin-bottom:1rem!important}.progress-bar-wrapper{width:100%;height:14px;background:#ffffff1a;border-radius:7px;overflow:hidden;margin-bottom:.8rem}.progress-bar-fill{height:100%;background:linear-gradient(90deg,#4facfe,#00f2fe);border-radius:7px;transition:width .15s ease-out}.progress-percent{font-weight:700;color:#00f2fe!important;font-size:1.1rem!important;margin-bottom:.6rem!important}.progress-file-list{list-style:none;padding:0;margin:.8rem 0 0;text-align:left;font-size:.82rem;color:#80cbc4;display:flex;flex-direction:column;gap:.25rem}.progress-file-list li{opacity:.85}.success-container{margin-top:2rem;padding:2rem;background:#2ecc7126;border:1px solid rgba(46,204,113,.4);border-radius:10px;animation:fadeIn .5s ease}.success-container p{color:#2ecc71;font-weight:600;font-size:1.2rem;margin-bottom:1.5rem}.redownload-button{display:block;margin:1rem auto 0;background:none;border:none;color:var(--text-secondary, #cccccc);font-size:.9rem;text-decoration:underline;cursor:pointer}.redownload-button:hover{color:var(--text-primary, #ffffff)}.setup-error{color:#e74c3c;font-weight:600;margin-bottom:1rem;padding:.75rem 1rem;background:#e74c3c1a;border:1px solid rgba(231,76,60,.4);border-radius:8px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat{display:flex;flex-direction:column;max-width:720px;margin:0 auto;padding:1rem;height:calc(100vh - 64px);box-sizing:border-box}.chat__header{display:flex;align-items:baseline;gap:.75rem;margin-bottom:.5rem}.chat__title{margin:0}.chat__topic{color:var(--text-secondary, #666);font-size:.9rem}.chat__status{color:var(--text-secondary, #666);font-style:italic}.chat__gate{display:flex;flex-direction:column;align-items:flex-start;gap:.75rem;padding:1.25rem;border:1px solid var(--border-color, #ddd);border-radius:8px;background:var(--surface-secondary, #fafafa)}.chat__gate-message{margin:0}.chat__gate-action{padding:.5rem 1rem;border:none;border-radius:6px;background:var(--accent-color, #4a7dff);color:#fff;cursor:pointer}.chat__gate-secondary{padding:.4rem .9rem;border:1px solid var(--border-color, #ccc);border-radius:6px;background:transparent;cursor:pointer}.chat__log{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:.6rem;padding:.75rem .25rem}.chat__bubble{max-width:85%;padding:.6rem .9rem;border-radius:12px;line-height:1.45;white-space:pre-wrap;word-break:break-word}.chat__bubble--tutor{align-self:flex-start;background:var(--surface-secondary, #f0f2f5);border-bottom-left-radius:4px}.chat__bubble--learner{align-self:flex-end;background:var(--accent-color, #4a7dff);color:#fff;border-bottom-right-radius:4px}.chat__bubble--streaming:after{content:"▍";animation:chat-caret 1s steps(2) infinite}@keyframes chat-caret{50%{opacity:0}}.chat__new-word{color:var(--accent-color, #2b5cd9)}.chat__composer{display:flex;gap:.5rem;padding-top:.6rem;border-top:1px solid var(--border-color, #e2e2e2)}.chat__input{flex:1;resize:none;padding:.55rem .75rem;border:1px solid var(--border-color, #ccc);border-radius:8px;font:inherit}.chat__send{align-self:flex-end;padding:.55rem 1.1rem;border:none;border-radius:8px;background:var(--accent-color, #4a7dff);color:#fff;cursor:pointer}.chat__send:disabled{opacity:.5;cursor:default}.chat__header-actions{margin-left:auto;display:flex;gap:.5rem}.chat__header-button{padding:.35rem .8rem;border:1px solid var(--border-color, #ccc);border-radius:8px;background:transparent;color:inherit;cursor:pointer;font-size:.85rem}.chat__header-button--end{border-color:var(--accent-color, #4a7dff);color:var(--accent-color, #4a7dff)}.chat__popup{position:fixed;z-index:30;background:var(--bg-color, #fff);border:1px solid var(--border-color, #ccc);border-radius:10px;box-shadow:0 6px 24px #0000002e;padding:.6rem .8rem;max-height:40vh;overflow-y:auto}.chat__popup-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.3rem}.chat__popup-close{border:none;background:transparent;color:inherit;font-size:1.1rem;cursor:pointer;line-height:1}.chat__popup-status{margin:.2rem 0;color:var(--text-secondary, #666);font-size:.9rem}.chat__popup-hit{margin:.25rem 0;font-size:.9rem}*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:#f5f5f5}.app{min-height:100vh}
