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.btn-primary{background:var(--ink);color:var(--paper)}.summary-actions .btn-primary:hover{background:#2b2f24}.filters{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin-bottom:18px}.search{position:relative;flex:1 1 240px}.search svg{position:absolute;left:13px;top:50%;width:17px;height:17px;transform:translateY(-50%);color:var(--ink-faint);pointer-events:none}.search input{width:100%;min-height:44px;padding:9px 14px 9px 39px;border:1px solid rgba(247,241,226,.18);border-radius:10px;background:#f7f1e20f;color:var(--paper);font-size:15px}.search input::placeholder{color:#f7f1e266}.search input:focus{outline:none;border-color:#f7f1e273;background:#f7f1e217}.seg{display:inline-flex;padding:3px;border:1px solid var(--line);border-radius:10px;background:#f7f1e20a}.seg button{min-height:34px;padding:5px 11px;border:0;border-radius:7px;background:transparent;color:#f7f1e299;font-size:12.5px}.seg button[aria-pressed=true]{background:var(--paper);color:var(--ink)}.word-sheet{overflow:hidden;border-radius:var(--radius);background:var(--paper);color:var(--ink);box-shadow:var(--shadow-card)}.word-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px;width:100%;padding:13px 18px;border:0;border-bottom:1px solid var(--paper-line);background:transparent;color:var(--ink);text-align:left;transition:background .12s}.word-row:last-child{border-bottom:0}.word-row:hover{background:#d8a72b17}.word-main{display:flex;align-items:baseline;gap:10px;min-width:0}.word-en{font-family:var(--font-word);font-size:19px;font-weight:500;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.word-pos{color:var(--ink-faint);font-size:11px;white-space:nowrap}.word-ru{margin-top:1px;color:var(--ink-soft);font-size:13.5px;overflow-wrap:anywhere}.word-right{display:flex;align-items:center;gap:10px}.word-right .chip{font-size:10.5px}.load-more{display:block;width:100%;margin-top:14px;padding:13px;border:1px solid var(--line);border-radius:11px;background:transparent;color:#f7f1e2b8;font-size:13.5px}.load-more:hover{background:#f7f1e20d}.sheet-backdrop{position:fixed;inset:0;z-index:70;display:grid;place-items:center;padding:18px;background:#060c0aa8;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.sheet{position:relative;width:min(100%,480px);max-height:86dvh;overflow-y:auto;padding:28px 26px 24px;border-radius:3px 18px 18px 3px;background:var(--paper);color:var(--ink);box-shadow:var(--shadow-card),inset 5px 0 0 var(--tab);animation:sheet-in .22s ease-out}@keyframes sheet-in{0%{opacity:0;transform:translateY(12px) scale(.985)}to{opacity:1;transform:none}}.sheet-close{position:absolute;top:14px;right:14px;display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--paper-line);border-radius:50%;background:transparent;color:var(--ink-soft)}.sheet-close svg{width:15px;height:15px}.sheet h3{font-family:var(--font-word);font-size:34px;font-weight:400;letter-spacing:-.02em;line-height:1.05}.sheet .translation{margin-top:4px;font-family:var(--font-word);font-style:italic;font-size:21px;color:var(--ink-soft)}.sheet .meta-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}.sheet .block{margin-top:18px;padding-top:14px;border-top:1px solid var(--paper-line)}.sheet .block h4{margin:0 0 6px;color:var(--ink-faint);font-size:11px;font-weight:600;letter-spacing:.07em;text-transform:uppercase}.sheet .block p{font-size:14px;line-height:1.55;color:var(--ink-soft)}.sheet .block .example{font-family:var(--font-word);font-size:17px;color:var(--ink)}.srs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.srs-grid div{padding:9px;border-radius:8px;background:#191b150d}.srs-grid strong{display:block;font-size:16px;font-variant-numeric:tabular-nums}.srs-grid span{color:var(--ink-faint);font-size:10.5px}.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:28px}.stat-card{padding:18px 18px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--desk-raise)}.stat-card strong{display:block;font-family:var(--font-word);font-size:clamp(28px,4vw,38px);font-weight:400;letter-spacing:-.02em;line-height:1.05}.stat-card span{display:block;margin-top:3px;color:#f7f1e28c;font-size:12px}.panel{padding:22px 22px 20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--desk-raise);margin-bottom:18px}.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:18px}.panel-head h2{font-family:var(--font-word);font-size:22px;font-weight:400}.panel-head span{color:#f7f1e273;font-size:12px}.chart{display:flex;align-items:flex-end;gap:6px;height:120px}.chart-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}.chart-bar{width:100%;max-width:34px;min-height:4px;border-radius:4px 4px 2px 2px;background:#f7f1e224;transition:height .4s ease}.chart-bar.has-data{background:var(--tab)}.chart-empty{padding:22px 0 26px;max-width:46ch;color:#f7f1e28c;font-size:13.5px;line-height:1.6}.chart-col small{color:#f7f1e261;font-size:9.5px;white-space:nowrap}.chart-col.today small{color:var(--tab)}.deck-progress{display:flex;flex-direction:column;gap:15px}.deck-progress-row{display:grid;grid-template-columns:126px minmax(0,1fr) 46px;align-items:center;gap:13px}.deck-progress-row .name{font-size:13.5px}.deck-progress-row .pct{color:#f7f1e28c;font-size:12px;text-align:right;font-variant-numeric:tabular-nums}.accuracy{display:flex;align-items:center;gap:18px}.accuracy-big{font-family:var(--font-word);font-size:44px;font-weight:400;line-height:1;letter-spacing:-.02em}.accuracy p{color:#f7f1e28c;font-size:12.5px;max-width:30ch}.profile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:start}.form-panel{padding:24px 22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--desk-raise)}.form-panel h2{font-family:var(--font-word);font-size:23px;font-weight:400;margin-bottom:4px}.form-panel>p{margin-bottom:18px;color:#f7f1e285;font-size:12.5px}.form-panel .field label{color:#f7f1e299}.form-panel .input{border-color:#f7f1e229;background:#f7f1e212;color:var(--paper)}.form-panel .input:focus{border-color:var(--tab);background:#f7f1e21a}.form-panel .input::placeholder{color:#f7f1e257}.user-list{display:flex;flex-direction:column;gap:8px}.user-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border-radius:9px;background:#f7f1e20d}.user-row strong{font-weight:500;font-size:14px}.user-row span{color:#f7f1e273;font-size:11.5px}.profile-note{margin-top:18px;color:#f7f1e266;font-size:12px;line-height:1.6}.center-screen{display:grid;place-items:center;min-height:70dvh;color:#f7f1e28c;font-size:14px}.spinner{width:26px;height:26px;margin-bottom:12px;border:2px solid rgba(247,241,226,.2);border-top-color:var(--tab);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-box{padding:14px 16px;border:1px solid rgba(192,57,43,.4);border-radius:10px;background:#c0392b1a;color:#f0b3ab;font-size:13.5px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:960px){.login{grid-template-columns:1fr}.login-art{min-height:42dvh;border-right:0;border-bottom:1px solid var(--line);padding-bottom:30px}.login-copy{padding:26px 0 0}.login-copy h1{font-size:clamp(2.3rem,9vw,3.4rem)}.login-copy p{margin-top:12px}.login-form-wrap{padding:30px 20px 44px}}@media(max-width:820px){.app{display:block}.sidebar{display:none}.topbar{display:flex}.bottomnav{display:grid}.main{padding:22px 16px calc(96px + env(safe-area-inset-bottom))}.home-hero{grid-template-columns:1fr;gap:20px;padding:22px}.hero-actions{justify-content:space-between}.deck-grid{grid-template-columns:1fr;gap:24px;padding-top:10px}.deck-card.oxford{grid-column:auto}.profile-grid{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(3,1fr);gap:8px}.stat-card{padding:14px 12px}.stat-card strong{font-size:26px}.study{padding:calc(10px + env(safe-area-inset-top)) 14px calc(16px + env(safe-area-inset-bottom))}.flashcard{min-height:min(55dvh,440px)}.face{padding:18px 20px 17px}}@media(max-width:460px){.page-head{display:block}.home-hero h1{font-size:1.75rem}.goal-ring{width:82px;height:82px}.card-word{font-size:clamp(1.9rem,9.5vw,2.7rem)}.word-row{padding:11px 14px}.word-pos{display:none}.deck-progress-row{grid-template-columns:96px minmax(0,1fr) 38px;gap:10px}.chart{gap:4px}.chart-empty{padding:22px 0 26px;max-width:46ch;color:#f7f1e28c;font-size:13.5px;line-height:1.6}.chart-col small{font-size:8.5px}}@media(hover:none)and (pointer:coarse){.study-hint{display:none}}@media(max-width:820px){.seg{display:flex;flex-wrap:nowrap;overflow-x:auto;max-width:100%;scrollbar-width:none}.seg::-webkit-scrollbar{display:none}.seg button{flex:none}}@media(max-width:960px){.login-art{min-height:auto;padding:calc(18px + env(safe-area-inset-top)) 20px 18px}.login-copy{padding:20px 0 0}.login-copy h1{font-size:clamp(1.85rem,8vw,2.6rem)}.login-copy p{margin-top:10px;font-size:14px;max-width:40ch}.login-decks,.login-art .sidebar-foot{display:none}.login-form-wrap{padding:22px 16px calc(30px + env(safe-area-inset-bottom))}.login-card{padding:26px 22px 22px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}