:root{--desk: #1e2a3b;--paper: #ffffff;--rule: #c9dcef;--red: #d2465a;--ink: #1f4fa3;--pencil: #6b7280;--text: #e8edf4;--muted: #aeb9c8;--border: #3a4b63;--font-en: "Literata", Georgia, "Times New Roman", serif;--font-ui: "Onest", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--column: 480px;--gutter: 16px;color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--desk);color:var(--text);font-family:var(--font-ui);font-size:17px;line-height:1.45;-webkit-text-size-adjust:100%}h1,h2,h3{font-weight:600;line-height:1.2}h1{font-size:1.5rem;margin:.5rem 0 1rem}.column{width:100%;max-width:var(--column);margin:0 auto;padding:0 var(--gutter)}.center{min-height:100vh;display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:1rem}.muted{color:var(--muted)}.error{color:#ffb3bd;margin:0}.en{font-family:var(--font-en)}:focus-visible{outline:3px solid var(--text);outline-offset:2px}button,input,select{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.6}.main-button{width:100%;min-height:56px;border:0;border-radius:12px;background:var(--text);color:var(--desk);font-weight:600;font-size:1.05rem}.outline-button{width:100%;min-height:52px;border:1.5px solid var(--text);border-radius:12px;background:transparent;color:var(--text);font-weight:500}.icon-button{min-width:44px;min-height:44px;border:0;border-radius:10px;background:transparent;color:var(--text);font-size:1.5rem;line-height:1}.icon-button:hover{background:var(--border)}label{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:.95rem}input,select{min-height:48px;padding:10px 12px;border:1.5px solid var(--border);border-radius:10px;background:#16202e;color:var(--text);font-size:1rem}input:focus-visible,select:focus-visible{border-color:var(--text)}.login{min-height:100vh;display:flex;flex-direction:column;justify-content:center}.login-title{font-family:var(--font-en);font-size:2.2rem;margin-bottom:.25rem}.login-form{display:flex;flex-direction:column;gap:16px;margin-top:1.5rem}.bar{position:sticky;top:0;z-index:10;background:var(--desk);border-bottom:1px solid var(--border)}.bar-inner{display:flex;align-items:center;gap:8px;min-height:56px;padding-left:calc(var(--gutter) - 8px)}.bar-title{color:var(--muted);font-weight:500}.screen{padding:8px 0 32px}.menu{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;overflow-y:auto;background:var(--desk);animation:menu-open .18s ease-out}@keyframes menu-open{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}.menu-inner{min-height:100%;display:flex;flex-direction:column;padding-bottom:24px}.menu-top{display:flex;justify-content:flex-start;min-height:56px;align-items:center;margin-left:-8px}.menu-items{list-style:none;margin:8px 0 0;padding:0}.menu-item{width:100%;display:flex;justify-content:space-between;align-items:baseline;padding:14px 4px;border:0;border-bottom:1px solid var(--border);background:transparent;color:var(--text);font-size:1.6rem;font-weight:500;text-align:left}.menu-item.current{color:var(--paper);font-weight:600}.menu-item .count{color:var(--muted);font-size:1.1rem;font-variant-numeric:tabular-nums}.menu-bottom{margin-top:auto;padding-top:32px;display:flex;flex-direction:column;gap:16px}.mode{font-size:1rem}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}.card-screen{--line: 32px;--footer-h: 84px;padding-bottom:calc(var(--footer-h) + 40px)}.card-count{margin:0 0 6px;text-align:right;color:var(--muted);font-size:.9rem;font-variant-numeric:tabular-nums}.notice{margin:0 0 10px;color:var(--muted);font-size:.9rem}.prompt{margin:0 0 10px;color:var(--muted);font-size:.95rem}.index-card{position:relative;border-radius:2px;background-color:var(--paper);background-image:linear-gradient(to bottom,transparent calc(var(--line) - 1px),var(--rule) calc(var(--line) - 1px));background-size:100% var(--line);background-position:0 calc(var(--line) * .5);color:#1b2330;padding:calc(var(--line) * .5) 16px calc(var(--line) * .5) 40px;line-height:var(--line)}.index-card:before{content:"";position:absolute;top:0;bottom:0;left:28px;width:1.5px;background:var(--red);opacity:.75}.index-card p{margin:0;line-height:var(--line)}.index-card :focus-visible{outline-color:var(--ink)}.sentence{font-size:1.15rem}.ink{color:var(--ink)}.index-card .ink{font-weight:600}.pencil,.ru{color:var(--pencil)}.ru{font-family:var(--font-ui);font-size:.85rem;min-height:var(--line)}.card-prompt,.card-hint,.phrase-ru{font-family:var(--font-ui);font-size:1rem}.example{font-size:1rem}.word{display:inline;padding:0;margin:0;border:0;background:none;font:inherit;color:inherit;line-height:inherit;text-align:inherit}button.word:hover{text-decoration:underline dotted var(--pencil);text-underline-offset:4px}.word.fix{color:var(--ink);font-weight:600;text-decoration:underline 2px var(--ink);text-underline-offset:5px}.gap{display:inline-block;min-width:2.6em;text-align:center}.caret{color:var(--red);font-weight:600}.mine{color:var(--red)}.card-tag{margin:8px 4px 0;color:var(--muted);font-size:.8rem}.verdict{margin:10px 4px 0;font-weight:500}.verdict.good{color:#9cc0f5}.verdict.bad{color:#f3b3bd}.options{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0 0}.options.stacked{grid-template-columns:1fr}.option{min-height:56px;padding:12px 8px;border:1.5px solid var(--border);border-radius:12px;background:transparent;color:var(--text);font-family:var(--font-en);font-size:1.1rem}.option.ui{font-family:var(--font-ui);font-size:.95rem}.sentence-option{text-align:left;font-size:1.05rem;padding:14px}.option:not(:disabled):hover{border-color:var(--muted)}.option:disabled{opacity:1}.option.right{border-color:#7fa8e8;background:#24406b}.option.wrong{border-color:var(--red);color:#f3b3bd;text-decoration:line-through}.why{margin:14px 4px 0;color:var(--muted);font-size:.95rem}.your-answer{margin:6px 4px 0;font-size:.95rem}.type-form{margin-top:14px}.type-form input{font-family:var(--font-en);font-size:1.1rem}.action-row{margin-top:16px}.pills{display:flex;flex-wrap:wrap;gap:8px}.pill{min-height:40px;padding:8px 14px;border:1px solid var(--border);border-radius:20px;background:transparent;color:#c9d3e0;font-size:.9rem}.pill:not(:disabled):hover{border-color:var(--muted)}.pill.recording{border-color:var(--red);color:#f3b3bd}.action-notes p{margin:8px 4px 0;font-size:.9rem;color:var(--muted)}.action-notes .note-error{color:#ffb3bd}.action-notes .note-good{color:#9cc0f5}.day-over{padding-top:24px;font-size:1.1rem}.card-footer{position:fixed;left:0;right:0;bottom:0;z-index:50;background:var(--desk);padding:12px 0 calc(12px + env(safe-area-inset-bottom))}.two-buttons{display:flex;gap:10px}.two-buttons>*{flex:1;min-height:56px}.text-button{min-height:44px;padding:8px 4px;border:0;background:none;font-weight:500}.sheet-dim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#0a0f168c}.sheet{position:fixed;left:0;right:0;bottom:0;z-index:45;max-width:var(--column);max-height:72vh;margin:0 auto;display:flex;flex-direction:column;padding:10px 18px calc(var(--footer-h) + env(safe-area-inset-bottom));border-radius:18px 18px 0 0;background:var(--paper);color:#1b2330;animation:sheet-up .2s ease-out}@keyframes sheet-up{0%{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}.sheet :focus-visible{outline-color:var(--ink)}.sheet-handle{width:42px;height:4px;margin:0 auto 12px;border-radius:2px;background:#cfd6df}.sheet-title{margin:0 0 8px;font-family:var(--font-en);font-size:1.15rem}.sheet-body{flex:1;overflow-y:auto;overscroll-behavior:contain;font-size:.95rem;line-height:1.55}.sheet-body p{margin:0 0 10px}.sheet-error{color:var(--red)}.sheet-close{align-self:flex-end;color:var(--ink)}.popup-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:flex;align-items:flex-end;justify-content:center;background:#0a0f1666}.word-popup{width:100%;max-width:var(--column);padding:14px 18px calc(18px + env(safe-area-inset-bottom));border-radius:14px 14px 0 0;background:var(--paper);color:#1b2330}.word-popup :focus-visible{outline-color:var(--ink)}.word-popup-head{display:flex;justify-content:space-between;align-items:center}.word-popup .word-popup-head h2{margin:0;font-size:1.3rem;color:var(--ink)}.word-popup .text-button{color:var(--ink)}.word-ru{margin:6px 0 12px;font-size:1.05rem}.word-popup .muted{color:var(--pencil)}.word-popup .error{color:var(--red)}.word-popup-actions{display:flex;align-items:center;gap:12px}.word-popup .pill{border-color:var(--ink);color:var(--ink)}.screen h2{font-size:1.05rem;color:var(--muted);margin:1.6rem 0 .6rem}.small{font-size:.9rem}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.command{margin:8px 0;padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:#16202e;font-family:ui-monospace,Consolas,monospace;font-size:.85rem;white-space:pre-wrap;overflow-wrap:anywhere;-webkit-user-select:all;user-select:all}.help p{margin:0 0 .6rem}.stat-lead{font-size:1.15rem;font-weight:600}.stat-list,.row-list{list-style:none;margin:0;padding:0}.stat-row{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;padding:6px 0;border-bottom:1px solid var(--border)}.stat-row>:first-child{min-width:7.5rem}.bar-track{flex:1;height:8px;border-radius:4px;background:#16202e}.bar-fill{display:block;height:100%;min-width:4px;border-radius:4px;background:var(--rule)}.stat-n{margin-left:auto;font-variant-numeric:tabular-nums}.stat-note{flex-basis:100%;font-size:.85rem}.generate{margin-top:24px}.generate p{margin:8px 0 0;min-height:1.45em}.row-item{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:12px 0;border-bottom:1px solid var(--border)}.row-text{flex:1 1 12rem;min-width:0;overflow-wrap:anywhere}.row-meta{font-size:.85rem}.row-actions{display:flex;gap:8px}.word-en{font-size:1.1rem}.form{display:flex;flex-direction:column;gap:14px;margin-top:8px}.form p{margin:0}label.check{flex-direction:row;align-items:flex-start;gap:10px;color:var(--text)}label.check input{min-height:0;width:22px;height:22px;margin:1px 0 0;accent-color:var(--rule)}.where{padding:10px 12px;border-left:3px solid var(--red);background:#16202e;border-radius:0 8px 8px 0}.upload-key{margin-top:8px}.upload-key p{margin:.5rem 0}.badge{margin-left:8px;padding:1px 8px;border:1px solid var(--border);border-radius:10px;font-size:.8rem;color:var(--muted)}.badge.bad{border-color:var(--red);color:#ffb3bd}.user-row .where{flex-basis:100%;margin:0}.user-row>[role=alert],.user-row>[role=status]{flex-basis:100%}.switch{display:flex;flex-basis:100%;margin:0;padding:0;border:1px solid var(--border);border-radius:12px;overflow:hidden}.switch-option{flex:1;flex-direction:row;justify-content:center;align-items:center;min-height:44px;color:var(--muted);cursor:pointer}.switch-option input{position:absolute;opacity:0;pointer-events:none}.switch-option.on{background:var(--text);color:var(--desk);font-weight:600}.switch-option:focus-within{outline:3px solid var(--text);outline-offset:-3px}.inline-form{display:flex;align-items:flex-end;gap:8px;flex:1 1 100%}.inline-form label{flex:1}.inline-form .pill{min-height:48px}.link-button{display:flex;align-items:center;justify-content:center;text-decoration:none}