:root{--bg:#f6f5fa;--paper:#fff;--ink:#222536;--sub:#828597;--stroke:#ebeaf2;--p:#7152da;--pl:#f0ebff;--green:#208e7a;--gl:#e7f7f1;--orange:#ec874e;--ol:#fff4e9;--red:#d4536d;--rl:#fff0f3;--shadow:0 12px 50px #1f1a391a;--progress-h:6px;--tile-size:44px;--cal-dot:4px;--tl-done:var(--green);--tl-pending:var(--p);--tl-future:var(--stroke);--hero-grad:linear-gradient(135deg, #7c5ce0 0%, #6a48cf 100%)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.45}.app{flex-direction:column;min-height:100%;display:flex}.app__content{flex:1;padding-bottom:96px;overflow-y:auto}.screen{max-width:560px;margin:0 auto;padding:20px 21px 24px}.screen__header{justify-content:space-between;align-items:baseline;margin-bottom:16px;display:flex}.screen__header h1{letter-spacing:-.5px;margin:0;font-size:32px;font-weight:850}.screen__header{align-items:center}.screen__header .eyebrow{position:static}.screen__header-wrap{flex-direction:column;flex:1;min-width:0;display:flex}.section-title{margin:20px 0 10px;font-size:17px;font-weight:850}.section-title--overdue{color:var(--red)}.section-title--due{color:var(--p)}.section-title--upcoming{color:var(--sub)}.btn{cursor:pointer;border:none;border-radius:13px;min-height:44px;padding:12px 18px;font-family:inherit;font-size:14px;font-weight:800}.btn:disabled{opacity:.5;cursor:default}.btn--primary{background:var(--p);color:#fff}.btn--secondary{background:var(--pl);color:var(--p)}.btn--neutral{background:var(--paper);color:var(--ink);border:1px solid var(--stroke)}.btn--danger{background:var(--rl);color:var(--red)}.btn--full{width:100%}.field{margin-bottom:16px;display:block}.field__label{color:var(--sub);margin-bottom:6px;font-size:12px;font-weight:700;display:block}.field__error{color:var(--red);margin-top:4px;font-size:12px;display:block}.field input,.field textarea,.field select{border:1px solid var(--stroke);background:var(--paper);width:100%;min-height:44px;color:var(--ink);border-radius:13px;padding:10px 13px;font-family:inherit;font-size:14px}.field textarea{resize:vertical;min-height:96px}.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--p);outline-offset:-1px}.field--error input,.field--error textarea,.field--error select{border-color:var(--red)}.card{background:var(--paper);box-shadow:var(--shadow);border-radius:17px;padding:16px}.topic-card{background:var(--paper);box-shadow:var(--shadow);color:inherit;border-radius:17px;margin-bottom:12px;padding:14px 16px;text-decoration:none;display:block}.topic-card__subject{color:var(--p);text-transform:uppercase;letter-spacing:.4px;font-size:11px;font-weight:800}.topic-card__title{margin:4px 0 6px;font-size:14px;font-weight:800}.topic-card__meta{color:var(--sub);justify-content:space-between;align-items:center;font-size:12px;display:flex}.badge{border-radius:9px;padding:3px 9px;font-size:10px;font-weight:800;display:inline-block}.badge--pending{background:var(--ol);color:var(--orange)}.badge--local_only{background:var(--pl);color:var(--p)}.badge--conflict,.badge--error,.badge--phase-overdue{background:var(--rl);color:var(--red)}.badge--phase-due_today{background:var(--pl);color:var(--p)}.badge--phase-upcoming,.badge--phase-completed{background:var(--gl);color:var(--green)}.tabbar{background:var(--paper);border-top:1px solid var(--stroke);padding:6px 0 calc(6px + env(safe-area-inset-bottom));display:flex;position:fixed;bottom:0;left:0;right:0}.tabbar__item{color:var(--sub);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;min-height:44px;padding:6px 0;font-size:10px;font-weight:700;text-decoration:none;display:flex}.tabbar__item--active{color:var(--p)}.sheet-backdrop{z-index:30;background:#22253673;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet{background:var(--paper);width:100%;max-width:560px;padding:24px 21px calc(24px + env(safe-area-inset-bottom));border-radius:28px 28px 0 0;margin:0 auto}.sheet__title{text-align:center;margin-bottom:16px;font-size:17px;font-weight:850}.toast{left:50%;bottom:calc(96px + env(safe-area-inset-bottom));background:var(--ink);color:#fff;z-index:40;box-shadow:var(--shadow);border-radius:13px;align-items:center;gap:12px;padding:12px 18px;font-size:13px;font-weight:700;display:flex;position:fixed;transform:translate(-50%)}.toast .btn{min-height:32px;padding:4px 12px}.sync-status{color:var(--orange);background:var(--ol);border-radius:13px;align-items:center;gap:8px;margin-bottom:16px;padding:10px 14px;font-size:12px;font-weight:700;display:flex}.sync-status--offline{color:var(--red);background:var(--rl)}.sync-status--btn{text-align:left;width:100%;font:inherit;cursor:pointer;border:none}.empty{text-align:center;padding:48px 8px}.empty__text{color:var(--sub);margin:0 0 20px;font-size:14px}.photo-grid{grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px;display:grid}.photo-tile{aspect-ratio:1;background:var(--pl);border-radius:13px;text-decoration:none;position:relative;overflow:hidden}.photo-tile img{object-fit:cover;width:100%;height:100%;display:block}.photo-tile__remove{color:#fff;cursor:pointer;background:#222536a6;border:none;border-radius:50%;width:28px;height:28px;font-size:16px;line-height:1;position:absolute;top:4px;right:4px}.update-prompt{left:50%;top:calc(12px + env(safe-area-inset-top));background:var(--paper);box-shadow:var(--shadow);z-index:50;border-radius:13px;align-items:center;gap:12px;padding:10px 14px;font-size:13px;font-weight:700;display:flex;position:fixed;transform:translate(-50%)}.placeholder,.splash{text-align:center;color:var(--sub);padding:64px 21px}.login{max-width:420px;margin:0 auto}.login__tabs{background:var(--paper);border-radius:13px;gap:4px;margin-bottom:16px;padding:4px;display:flex}.login__tab{font:inherit;color:var(--sub);cursor:pointer;background:0 0;border:none;border-radius:9px;flex:1;padding:8px 4px;font-size:13px;font-weight:700}.login__tab--active{background:var(--ink);color:#fff}.login__notice{background:var(--ol);color:var(--orange);border-radius:13px;margin:0 0 16px;padding:10px 14px;font-size:13px;font-weight:700}.login__form{gap:12px;display:grid}.field-error{color:var(--red);margin:0;font-size:13px;font-weight:700}.search{box-sizing:border-box;width:100%;font:inherit;border:1px solid var(--paper);background:var(--paper);border-radius:13px;margin-bottom:12px;padding:12px 14px;font-size:15px}.list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.list__row{text-align:left;width:100%;font:inherit;color:var(--ink);background:var(--paper);cursor:pointer;border:none;border-radius:13px;align-items:center;gap:10px;padding:14px;font-size:15px;font-weight:700;display:flex}.dot{border-radius:50%;flex:none;width:12px;height:12px}.tabs{background:var(--paper);border-radius:13px;gap:4px;margin-bottom:12px;padding:4px;display:flex}.tabs__btn{font:inherit;color:var(--sub);cursor:pointer;background:0 0;border:none;border-radius:9px;flex:1;padding:8px 4px;font-size:13px;font-weight:700}.tabs__btn--active{background:var(--ink);color:#fff}.filters-row{margin-bottom:12px}.archived-note{color:var(--sub);margin:0 0 12px;font-size:13px;font-weight:700}.conflict-diff{background:var(--paper);border-radius:13px;margin-bottom:12px;overflow:hidden}.conflict-diff__row{border-bottom:1px solid var(--ol);grid-template-columns:1fr 1fr;display:grid}.conflict-diff__row:first-child:before{content:"Ваша версия / На сервере";color:var(--sub);border-bottom:1px solid var(--ol);grid-column:1/span 2;padding:10px 12px;font-size:12px;font-weight:700}.conflict-diff__field{color:var(--sub);text-transform:uppercase;letter-spacing:.04em;grid-column:1/span 2;padding:8px 12px 0;font-size:11px;font-weight:700}.conflict-diff__val{white-space:pre-wrap;word-break:break-word;padding:4px 12px 10px;font-size:13px}.conflict-diff__row:last-child{border-bottom:none}.conflict-actions{gap:8px;display:grid}.sheet__hint{color:var(--sub);margin:0 0 12px;font-size:13px}.topic-menu-btn{background:var(--paper);width:36px;height:36px;color:var(--ink);cursor:pointer;border:none;border-radius:50%;font-size:18px}.field__hint{color:var(--sub);font-size:12px}.edit-topic{gap:12px;display:grid}.hero-card{background:var(--hero-grad);color:#fff;box-shadow:var(--shadow);border-radius:17px;margin-bottom:12px;padding:16px}.hero-card__top{justify-content:space-between;align-items:baseline;font-size:13px;font-weight:700;display:flex}.hero-card__top strong{font-size:17px;font-weight:850}.hero-card__bottom{opacity:.85;justify-content:space-between;margin-top:8px;font-size:11px;display:flex}.hero-card--mastered{background:var(--gl);color:var(--green)}.progress{height:var(--progress-h);background:#ffffff47;border-radius:999px;margin-top:12px;overflow:hidden}.progress__fill{background:#fff;border-radius:999px;height:100%;transition:width .3s}.stat-grid{grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px;display:grid}.stat-tile{background:var(--paper);box-shadow:var(--shadow);border-radius:17px;padding:14px}.stat-tile strong{font-size:22px;font-weight:850;display:block}.stat-tile span{color:var(--sub);margin-top:2px;font-size:11px;font-weight:700;display:block}.stat-tile--red strong{color:var(--red)}.stat-tile--green strong{color:var(--green)}.stat-tile--link{text-align:left;font:inherit;cursor:pointer;border:none}.subject-row{text-align:left;width:100%;font:inherit;background:var(--paper);cursor:pointer;border:none;border-radius:17px;align-items:center;gap:12px;min-height:64px;padding:14px;display:flex}.subject-row__body{flex:1;min-width:0}.subject-row__name{font-size:14px;font-weight:800}.subject-row__sub{color:var(--sub);margin-top:2px;font-size:12px;font-weight:600}.subject-row__chevron{color:var(--sub);flex:none}.subject-tile{width:var(--tile-size);height:var(--tile-size);background:var(--pl);color:var(--p);border-radius:13px;flex:none;justify-content:center;align-items:center;display:flex}.subject-tile--tint{background:color-mix(in srgb, var(--tile-c,var(--p)) 14%, white);color:var(--tile-c,var(--p))}.chips{gap:8px;margin-bottom:12px;padding-bottom:2px;display:flex;overflow-x:auto}.chip{background:var(--paper);color:var(--sub);font:inherit;cursor:pointer;white-space:nowrap;border:none;border-radius:999px;min-height:36px;padding:8px 14px;font-size:13px;font-weight:700}.chip--active{background:var(--p);color:#fff}.timeline{margin:0;padding:0;list-style:none}.timeline__item{padding:0 0 20px 24px;position:relative}.timeline__item:before{content:"";background:var(--stroke);width:2px;position:absolute;top:14px;bottom:-6px;left:7px}.timeline__item:last-child:before{display:none}.timeline__dot{background:var(--paper);border:2px solid var(--tl-future);border-radius:50%;width:16px;height:16px;position:absolute;top:2px;left:0}.timeline__dot--done{background:var(--tl-done);border-color:var(--tl-done)}.timeline__dot--pending{background:var(--tl-pending);border-color:var(--tl-pending)}.timeline__title{font-size:14px;font-weight:800}.timeline__date{color:var(--ink);margin-top:2px;font-size:12px;font-weight:700}.timeline__sub{color:var(--sub);margin-top:2px;font-size:12px}.path-chips{flex-wrap:wrap;gap:8px;display:flex}.path-chip{background:var(--gl);color:var(--green);font:inherit;border:none;border-radius:999px;padding:6px 12px;font-size:12px;font-weight:800}.path-chip--current{background:var(--pl);color:var(--p)}.path-chip--future{background:var(--bg);color:var(--sub)}.add-tile{aspect-ratio:1;border:2px dashed var(--p);width:100%;color:var(--p);font:inherit;cursor:pointer;background:0 0;border-radius:13px;flex-direction:column;justify-content:center;align-items:center;gap:4px;font-size:12px;font-weight:800;display:flex}.page-header{align-items:center;min-height:44px;margin-bottom:16px;display:flex}.page-header__back{color:var(--p);align-items:center;gap:4px;min-height:44px;font-size:15px;font-weight:800;text-decoration:none;display:inline-flex}.page-header__title{text-align:center;flex:1;font-size:15px;font-weight:800}.page-header__action{flex:none}.page-header__back--btn{font:inherit;cursor:pointer;background:0 0;border:none;padding:0}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--sub);margin:0 0 4px;font-size:11px;font-weight:800}.photo-tile__label{color:#fff;background:#2225368c;border-radius:8px;padding:2px 8px;font-size:10px;font-weight:700;position:absolute;bottom:6px;left:6px}.icon-btn{background:var(--pl);width:44px;height:44px;color:var(--p);cursor:pointer;border:none;border-radius:13px;justify-content:center;align-items:center;display:inline-flex}.icon-btn--paper{background:var(--paper);color:var(--ink);box-shadow:var(--shadow)}.btn--loading{pointer-events:none;position:relative;color:#0000!important}.btn--loading:after{content:"";border:2px solid #fff6;border-top-color:#fff;border-radius:50%;width:18px;height:18px;margin:auto;animation:.8s linear infinite arina-spin;position:absolute;inset:0}@keyframes arina-spin{to{transform:rotate(360deg)}}.topic-card__chips{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.topic-card__actions{gap:8px;margin-top:12px;display:flex}.topic-card__actions .btn{flex:1;min-height:40px;padding:8px 10px;font-size:13px}.topic-card--overdue{border-left:3px solid var(--red)}.topic-card__right{align-items:center;gap:8px;display:flex}.topic-card__time{color:var(--sub);font-size:12px;font-weight:700}.topic-card__title-link{color:inherit;margin:2px 0 6px;font-size:14px;font-weight:800;text-decoration:none;display:block}.topic-card__meta-left{align-items:center;gap:5px;display:inline-flex}.badge--subject{background:var(--pl);color:var(--p)}.title-accent{color:var(--p)}.btn:focus-visible,.icon-btn:focus-visible,.chip:focus-visible,.field input:focus-visible,.field textarea:focus-visible,.field select:focus-visible{outline:2px solid var(--p);outline-offset:2px}.btn:active:not(:disabled),.icon-btn:active,.chip:active{transform:scale(.98)}.screen__subhead{justify-content:space-between;align-items:baseline;display:flex}.screen__link{color:var(--p);align-items:center;gap:2px;min-height:44px;font-size:13px;font-weight:800;text-decoration:none;display:inline-flex}.search-wrap{margin-bottom:12px;position:relative}.search-wrap__icon{color:var(--sub);pointer-events:none;position:absolute;top:50%;left:13px;transform:translateY(-50%)}.search-wrap .search{margin-bottom:0;padding-left:38px}.list--cards{gap:10px;margin-bottom:12px;display:grid}.list--cards .card-row{min-height:64px}.subject-tile--tint{--tile-c:var(--p)}.topic-screen__title{margin:0 0 4px;font-size:24px;font-weight:850}.topic-screen__studied{color:var(--sub);margin:0 0 8px;font-size:12px;font-weight:600}.hero-card__eyebrow{letter-spacing:.08em;text-transform:uppercase;opacity:.85;font-size:10px;font-weight:800}.hero-card__date{margin-top:2px;font-size:20px;font-weight:850}.hero-card--mastered .hero-card__date{color:var(--green)}.topic-screen__btns{gap:8px;margin-bottom:8px;display:flex}.topic-screen__btns .btn{flex:1}.topic-screen__note{color:var(--sub);margin:10px 0 0;font-size:12px}.subject-head{align-items:center;gap:12px;margin-bottom:12px;display:flex}.list__row .list__row-body{flex:1;min-width:0}.list__row{border-radius:17px}.cal-head-row{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.cal-title{margin:0;font-size:24px;font-weight:850}.cal-card{padding:12px}.cal{grid-template-columns:repeat(7,1fr);gap:2px;display:grid}.cal__head{text-align:center;color:var(--sub);padding:4px 0;font-size:10px;font-weight:800}.cal__day{font:inherit;color:var(--ink);cursor:pointer;background:0 0;border:none;border-radius:9px;flex-direction:column;justify-content:center;align-items:center;gap:2px;min-height:44px;padding:2px 0;font-size:13px;font-weight:700;display:flex;position:relative}.cal__day--today{background:var(--pl);color:var(--p)}.cal__day--out{color:#c9c9d1;cursor:default;font-weight:600}.cal__dots{gap:2px;display:flex;position:absolute;bottom:4px}.cal__dots i{width:var(--cal-dot);height:var(--cal-dot);background:var(--p);border-radius:50%}.notice{background:var(--paper);color:var(--sub);box-shadow:var(--shadow);border-radius:13px;padding:12px 14px;font-size:12px}button.screen__link{cursor:pointer;background:0 0;border:none;padding:0;font-family:inherit}.stats-grid{grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:16px;display:grid}.chart{align-items:flex-end;gap:6px;height:120px;padding:8px 4px 0;display:flex}.chart__col{flex:1;align-items:flex-end;height:100%;display:flex}.chart .bar{background:var(--p);border-radius:6px 6px 2px 2px;width:100%;min-height:2px}.chartlabs{gap:6px;margin-top:6px;display:flex}.chartlabs span{text-align:center;color:var(--sub);flex:1;font-size:10px;font-weight:700}.muted{color:var(--sub);font-size:13px}.mini-note{color:var(--sub);margin:12px 0 0;font-size:12px}.history__title{margin:4px 0 18px;font-size:25px}.photo-full{background:var(--paper);width:100%;box-shadow:var(--shadow);border-radius:13px;display:block}.photo-full--loading{justify-content:center;align-items:center;min-height:320px;display:flex}.offline-banner{background:var(--rl);color:var(--red);border-radius:13px;margin-bottom:12px;padding:10px 14px;font-size:12px;font-weight:700}.bigico{background:var(--pl);width:72px;height:72px;color:var(--p);border-radius:50%;justify-content:center;align-items:center;margin:0 auto 16px;display:flex}.state-card{text-align:center}.state-card h3{margin:12px 0 6px;font-size:17px;font-weight:850}.state-card p{color:var(--sub);margin:0 0 14px;font-size:13px}.state-card .icon-slot{background:var(--ol);width:56px;height:56px;color:var(--orange);border-radius:50%;justify-content:center;align-items:center;margin:0 auto;display:flex}.diag-row{border-bottom:1px solid var(--stroke);align-items:center;gap:12px;padding:12px 0;display:flex}.diag-row:last-child{border-bottom:none}.diag-row__icon{border-radius:13px;flex:none;justify-content:center;align-items:center;width:40px;height:40px;display:inline-flex}.diag-row__icon--ok{background:var(--gl);color:var(--green)}.diag-row__icon--warn{background:var(--ol);color:var(--orange)}.diag-row__icon--fail{background:var(--rl);color:var(--red)}.diag-row__body{flex-direction:column;flex:1;min-width:0;display:flex}.diag-row__title{font-size:13px;font-weight:800}.diag-row__detail{color:var(--sub);font-size:12px}.diag-row__pill{border-radius:9px;flex:none;padding:3px 9px;font-size:10px;font-weight:800}.diag-row__pill--ok{background:var(--gl);color:var(--green)}.diag-row__pill--warn{background:var(--ol);color:var(--orange)}.diag-row__pill--fail{background:var(--rl);color:var(--red)}.help-row{border-bottom:1px solid var(--stroke);align-items:flex-start;gap:12px;padding:13px 0;display:flex}.help-row:last-child{border-bottom:none}.circle-num{background:var(--pl);width:28px;height:28px;color:var(--p);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:13px;font-weight:800;display:inline-flex}.help-row__title{font-size:13px;font-weight:800}.help-row__text{color:var(--sub);margin-top:5px;font-size:12px}.welcome{align-items:center;min-height:100vh;display:flex}.welcome__center{text-align:center;flex-direction:column;align-items:center;gap:18px;width:100%;display:flex}.welcome__title{letter-spacing:-.5px;margin:0;font-size:30px;font-weight:850}.welcome__lead{color:var(--sub);max-width:300px;margin:0;font-size:14px}.welcome__cards{gap:9px;width:100%;margin:6px 0;display:flex}.welcome__card{color:var(--p);flex-direction:column;flex:1;align-items:center;display:flex}.welcome__card .mini-note,.welcome__card .help-row__title{color:var(--ink)}