:root{--paper: #F4F6F5;--card: #FFFFFF;--ink: #1B2A33;--ink-2: #33434C;--mute: #5B6B72;--faint: #8A989E;--line: #D9E0DE;--line-soft: #E6ECEA;--accent: #0E6A66;--accent-soft: #DDEFEC;--hl: #FFE066;--good: #2E8B57;--bad: #C0392B;--warn: #B7791F;--serif: "Literata", "Iowan Old Style", Georgia, serif;--sans: -apple-system, "PingFang SC", "Helvetica Neue", "Noto Sans SC", system-ui, sans-serif;font-family:var(--sans);color-scheme:light}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink)}.icon{flex:none;vertical-align:-.15em}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app{max-width:480px;margin:0 auto;padding:calc(16px + env(safe-area-inset-top,0px)) calc(16px + env(safe-area-inset-right,0px)) calc(16px + env(safe-area-inset-bottom,0px)) calc(16px + env(safe-area-inset-left,0px))}.week-head h1{font-size:20px;margin:8px 0 2px}.week-sub{color:var(--mute);margin:0 0 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0;border:0;border-radius:10px;font-size:15px;color:#fff}.grade-unknown{background:var(--bad)}.grade-fuzzy{background:#ff9f0a}.grade-known{background:var(--good)}.study-done{text-align:center;padding:30px 0}.account-form{display:flex;flex-direction:column;gap:8px;margin:12px 0}.account-form input{padding:10px;border:1px solid var(--line);border-radius:8px;font-size:15px}.account-actions{display:flex;gap:8px;margin-top:4px}.account-actions button{flex:1;padding:10px 0;border:0;border-radius:10px;font-size:15px}.account-actions .primary{background:var(--accent);color:#fff}.account-actions .secondary{background:var(--accent-soft);color:var(--accent)}.error-text{color:var(--bad);font-size:13px;margin:4px 0}.sync-status{font-size:13px;color:var(--mute);margin:4px 0}.account-entry{text-align:left}.app-read{max-width:480px}@media (min-width: 760px){.app-read{max-width:720px;padding:24px}.para{font-size:18px;line-height:1.8}}@media (min-width: 1100px){.app-read{max-width:780px}.app-read:has(.reader-body[data-bilingual=true]){max-width:1120px}.para{font-size:19px}}.article-grid{display:grid;gap:12px}@media (min-width: 760px){.article-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;align-items:start}.article-grid .card{margin-bottom:0;display:flex;flex-direction:column}.article-grid .card .log-btn{margin-top:auto}}.reader-bar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:8px;background:var(--paper);margin:calc(-16px - env(safe-area-inset-top,0px)) 0 0;padding:calc(8px + env(safe-area-inset-top,0px)) 0 8px}.bar-btn{padding:6px 12px;border:1px solid var(--line);border-radius:999px;background:var(--card);font-size:13px;color:var(--ink)}.bar-btn[data-active=true]{background:var(--accent);border-color:var(--accent);color:#fff}.reader-timer{margin-left:auto;font-variant-numeric:tabular-nums;font-size:13px;color:var(--mute)}.reader-head{margin:14px 0 12px}.reader-title{font-size:21px;line-height:1.35;margin:0 0 6px;letter-spacing:-.01em}.reader-meta{font-size:13px;color:var(--mute)}.reader-meta a{color:var(--accent)}@media (min-width: 760px){.reader-title{font-size:27px}}.reader-body{background:var(--card);border-radius:14px;padding:20px 18px;box-shadow:0 1px 3px #00000014}@media (min-width: 760px){.reader-body{padding:32px 34px}}.para{margin:0 0 1.05em;font-size:17px;line-height:1.85;color:var(--ink)}.para:last-child{margin-bottom:0}.para-zh{margin:-.35em 0 1.15em;padding:8px 12px;border-left:3px solid #d8dce3;background:#fafafc;border-radius:0 8px 8px 0;font-size:15px;line-height:1.75;color:#5b5b60}.para-zh.empty{padding:4px 12px;background:transparent}@media (min-width: 1100px){.reader-body[data-bilingual=true]{display:grid;grid-template-columns:1fr 1fr;column-gap:32px;align-items:start}.reader-body[data-bilingual=true] .para{margin-bottom:1.5em}.reader-body[data-bilingual=true] .para-zh{margin:0 0 1.5em;padding:0 0 0 16px;background:transparent;border-radius:0;font-size:16px;line-height:1.8}}.inline-btn{border:0;background:var(--accent-soft);color:var(--accent);border-radius:6px;padding:3px 10px;font-size:12px}.inline-btn:disabled{background:var(--line-soft);color:var(--mute)}.tok{cursor:pointer;border-radius:3px;padding:0 1px;margin:0 -1px}.tok:hover{background:var(--line-soft)}.tok:active,.tok[data-sel=true]{background:#ffe9a8}.reader-err{margin:12px 2px 0;font-size:13px;line-height:1.6;color:#b25000}.reader-foot{margin-top:16px;padding-bottom:8px;display:flex;gap:10px;flex-wrap:wrap}.reader-foot .ghost-btn,.reader-foot .log-btn{margin-top:0;flex:1 1 220px}.log-btn:disabled{background:#c7c7cc}.word-pop{position:fixed;left:50%;bottom:calc(16px + env(safe-area-inset-bottom,0px));transform:translate(-50%);width:min(448px,calc(100vw - 32px));background:var(--card);border-radius:14px;padding:14px;box-shadow:0 4px 24px #0000002e;z-index:10;display:flex;flex-direction:column;max-height:calc(100vh - 32px 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6px;font-size:14px;line-height:1.55;color:var(--ink-2)}.sent-parse-notes p:last-child{margin-bottom:0}.sp-tag{margin-right:6px;padding:0 6px;font-size:12px;color:#fff;background:var(--accent);border-radius:4px}.sp-gist{font-family:var(--serif)}.sp-gist-zh{font-family:initial;color:var(--mute)}.sp-note{display:flex;gap:6px;align-items:baseline;flex-wrap:wrap}.sp-note-en{font-family:var(--serif);color:var(--ink)}.sp-note-role{color:var(--mute)}.sent-list{list-style:none;padding:0;margin:14px 0 0}.sent-list-en{font-size:16px;line-height:1.6}.sent-list-zh{margin-top:6px;padding-left:10px;border-left:3px solid #d8dce3;font-size:14px;line-height:1.65;color:#5b5b60}.sent-list-meta{margin-top:8px;font-size:12px;color:var(--mute)}.sent-list-actions{display:flex;gap:8px;margin-top:8px}.sent-list-actions .ghost-btn{margin-top:0}@media (min-width: 760px){.sent-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}.sent-list 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button[data-active=true]{background:var(--accent);border-color:var(--accent);color:#fff}.nb-actions{margin:10px 0}.nb-actions .log-btn{margin-top:0}.nb-new{display:flex;gap:8px;margin-bottom:10px}.nb-new input{flex:1;min-width:0;padding:8px 10px;border:1px solid var(--line);border-radius:10px}.nb-new button{border:0;border-radius:10px;padding:8px 14px;background:var(--accent-soft);color:var(--accent)}.nb-new button:disabled{background:var(--line-soft);color:var(--mute)}.nb-new .nb-del{background:#ffecec;color:var(--bad)}.nb-tags{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0 4px}.nb-tag{padding:3px 10px;border:1px solid var(--line);border-radius:999px;background:var(--card);font-size:12px;color:var(--mute)}.nb-tag[data-on=true]{background:var(--accent-soft);border-color:#b9d5ff;color:var(--accent)}.word-pop-extend{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}.word-pop-extend .inline-btn{padding:7px 0}.word-pop-lookup{margin-left:10px}.preread-list{list-style:none;padding:0;margin:12px 0 16px;display:grid;gap:10px}.preread-item{padding:12px 14px}.preread-item[data-due=true]{border-left:3px solid var(--accent)}.preread-head{display:flex;align-items:center;gap:8px}.preread-word{font-size:17px;font-weight:600}.preread-tag{font-size:11px;padding:1px 6px;border-radius:999px;background:#eef2ff;color:#4f46e5}.preread-phonetic{font-size:12px;color:#8a8a8e;margin-top:2px}.preread-zh{font-size:14px;margin:6px 0 10px;line-height:1.5}.preread-next,.preread-done{font-size:12px;color:#8a8a8e}.preread-item .grade-row{margin-top:2px}.preread-reveal{width:100%;margin-top:8px}.sync-error{font-size:12px;color:#c0392b;background:#fdecea;border-radius:8px;padding:8px 10px;margin:6px 0 10px;word-break:break-word;line-height:1.5}.nb-chips-tier{margin-top:-4px}.nb-chips-tier button{font-size:12px}.mastery-tag{font-size:12px;color:var(--mute);margin:2px 0 6px}.mastery-tag[data-tier=mature]{color:var(--good)}.mastery-tag[data-tier=learning]{color:var(--warn)}.pick-bar{display:flex;gap:8px;align-items:center;margin:8px 0 4px}.pick-bar button{flex:1;padding:7px 0;font-size:13px}.pick-box{width:18px;height:18px;margin-right:4px;flex:none;accent-color:var(--accent)}.leech-list .card[data-picked=true]{outline:2px solid var(--accent);outline-offset:-2px}.word-pop-parts{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:8px}.word-pop-parts li{font-size:13px;line-height:1.5}.word-pop-parts b{font-size:14px}.word-pop-parts li>div{color:var(--ink-2)}.preread-drop{width:100%;margin-top:10px;color:var(--mute)}.notice-text{font-size:13px;color:#1e6e34;background:#e8f5eb;border-radius:8px;padding:9px 11px;margin:6px 0 10px;line-height:1.6}.daily-settings{margin-bottom:12px}.daily-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.daily-row input{width:88px;padding:7px 9px;font-size:15px;text-align:right;border:1px solid var(--line);border-radius:8px}.mode-tag{margin-left:8px;font-size:11px;padding:1px 7px;border-radius:999px;background:#eef2ff;color:#4f46e5}.choice-list{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:10px}.choice-opt{width:100%;text-align:left;padding:13px 14px;font-size:15px;line-height:1.5;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink)}.choice-opt[data-state=right]{border-color:var(--good);background:#eaf9ee}.choice-opt[data-state=wrong]{border-color:var(--bad);background:#ffecea}.choice-verdict{font-size:15px;font-weight:600;margin:14px 0 6px;color:var(--bad)}.choice-verdict[data-ok=true]{color:var(--good)}.spell-zh{font-size:18px;line-height:1.6;margin:8px 0 16px}.spell-input{width:100%;padding:12px 14px;font-size:18px;text-align:center;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}.spell-reveal{width:100%;margin-top:10px;color:var(--mute)}.spell-verdict{font-size:15px;font-weight:600;margin:0 0 10px;color:var(--bad)}.spell-verdict[data-state=right]{color:var(--good)}.spell-verdict[data-state=revealed]{color:var(--warn)}.daily-row-modes{margin-bottom:6px}.mode-picker{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:4px}.mode-picker button{padding:8px 0;font-size:13px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink)}.mode-picker button[data-active=true]{background:var(--accent);border-color:var(--accent);color:#fff}.rp-nav{display:flex;gap:8px;margin-bottom:12px}.rp-nav button{flex:1}.rp-h2{font-size:15px;margin:0 0 10px;color:var(--mute);font-weight:600}.rp-lead{margin:0 0 10px;font-size:15px}.rp-lead b{font-size:20px}.rp-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}.rp-list 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var(--bad)}.lb-bar{position:sticky;top:0;z-index:6;display:flex;align-items:center;gap:10px;margin:0 -16px 10px;padding:10px 16px;background:#f5f5f7eb;backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid rgba(0,0,0,.06)}.lb-back{border:0;background:transparent;color:var(--lb-accent);font-size:15px;padding:6px 4px 6px 0}.lb-title{flex:1;text-align:center;font-size:17px;font-weight:600;color:var(--lb-ink)}.lb-count{font-size:15px;font-weight:600;color:var(--lb-ink);min-width:64px;text-align:right}.lb-count small{font-size:12px;font-weight:400;color:var(--lb-mute)}.lb-chips{display:flex;gap:6px;overflow-x:auto;margin:0 -16px;padding:2px 16px 6px;scrollbar-width:none}.lb-chips::-webkit-scrollbar{display:none}.lb-chips button{flex:none;padding:6px 12px;border:1px solid var(--lb-line);border-radius:999px;background:var(--card);color:var(--lb-ink);font-size:13px;white-space:nowrap}.lb-chips 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.st-round{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 6px;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--accent)}.ls-shadow-btns .st-round .st-round-label{font-size:13px;max-width:none;color:var(--ink-2)}.ls-shadow-btns .st-round-icon{width:34px;height:34px;background:var(--accent-soft);color:var(--accent);font-size:16px}.ls-shadow-btns .st-round[data-on=true] .st-round-icon{background:#fde8e4;color:var(--bad)}.ls-shadow-btns .st-round[data-on=true]{border-color:var(--bad);color:var(--bad)}.ls-shadow-btns .st-round[data-on=true] .st-round-label{color:var(--bad)}.ls-shadow-nav{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:4px}.ls-shadow-nav .ghost-btn{flex:0 0 auto;width:auto;margin:0;padding:8px 14px;white-space:nowrap}.ls-shadow-nav .link-btn{white-space:nowrap}.ls-norec{color:var(--faint);font-size:13px;align-self:center}.rh-ctas{display:flex;gap:8px}.rh-ctas .rh-cta{flex:1}.rh-listen{background:var(--card);color:var(--accent);border:1.5px solid var(--accent)}.ls-blocked{margin:8px 0 0;padding:8px 10px;border-radius:10px;background:#fdf3e7;color:var(--warn);font-size:14px}.wm{padding-bottom:20px}.wm-progress{margin:6px 2px 12px;color:var(--mute);font-size:14px}.wm-card{padding:20px 16px;border:1px solid var(--line);border-radius:14px;background:var(--card);min-height:180px}.wm-word{margin:0 0 10px;font-family:var(--serif);font-size:32px;font-weight:700;color:var(--ink);opacity:.55}.wm-gloss{margin:0 0 10px;font-size:19px;line-height:1.6;color:var(--ink-2);opacity:.55}.wm-ex{margin:0;font-family:var(--serif);font-size:17px;line-height:1.6;color:var(--mute);opacity:.55}.wm-word[data-on=true],.wm-gloss[data-on=true],.wm-ex[data-on=true]{opacity:1}.wm-pause{margin:10px 0 0;color:var(--accent);font-size:15px}.wm-controls{display:flex;align-items:center;justify-content:center;gap:28px;margin:22px 0 18px}.wm-play{width:76px;height:76px;border:0;border-radius:50%;background:var(--accent);color:#fff;font-size:30px}.wm-controls .st-round{color:var(--accent)}.wm-controls .st-round-icon{width:44px;height:44px;background:var(--accent-soft);color:var(--accent);font-size:18px}.wm-controls .st-round-label{font-size:13px;color:var(--ink-2);max-width:none}.wm-opts{display:flex;flex-direction:column;gap:10px}.wm-opt{display:flex;align-items:center;gap:8px}.wm-opt-name{min-width:64px;color:var(--mute);font-size:14px}.wm-note{margin:16px 2px 0;color:var(--faint);font-size:13px;line-height:1.6}.vh-walkman{display:flex;align-items:center;justify-content:center;gap:6px;color:var(--accent)}.offline-banner{display:flex;justify-content:center;align-items:baseline;gap:10px;flex-wrap:wrap;padding:7px 12px;padding-top:calc(7px + env(safe-area-inset-top,0px));background:var(--ink);color:#fff;font-size:13px}.offline-banner[data-ready=true]{background:var(--good)}.offline-banner-sub{opacity:.85;font-size:12px}.off-tier{gap:16px;flex-wrap:wrap}.off-tier label{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink-2)}.off-progress{margin:6px 0 10px}.off-progress p{margin:0 0 6px;font-size:14px;color:var(--ink-2);font-variant-numeric:tabular-nums}.off-progress progress{width:100%;height:6px}.off-progress button{width:auto;padding:4px 14px;font-size:13px}.scene-input{width:100%;padding:10px;margin-bottom:8px;border:1px solid var(--line);border-radius:10px;font-size:16px;background:var(--card);color:var(--ink);box-sizing:border-box}.scene-open{width:100%;display:flex;justify-content:space-between;align-items:baseline;gap:8px;background:none;border:0;padding:0;text-align:left;color:var(--ink);font-size:16px}.scene-name{font-weight:600}.scene-meta{color:var(--mute);font-size:13px}.scene-word{padding:10px 14px}.scene-check{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.scene-w{font-family:var(--serif);font-weight:600;color:var(--ink)}.scene-zh{color:var(--ink-2);font-size:14px}.scene-ex{margin:6px 0 0 24px;font-size:14px;line-height:1.5;color:var(--ink-2);font-family:var(--serif)}.scene-ex span{color:var(--mute);font-family:initial}.scene-state{margin-left:auto;font-size:12px;color:var(--mute)}.scene-state[data-state=没学]{color:var(--accent)}.scene-passage .ghost-btn{margin-top:0;margin-bottom:8px}.scene-sent{margin:0 0 10px;font-family:var(--serif);line-height:1.6;color:var(--ink)}.scene-sent-zh{display:block;font-family:initial;font-size:14px;color:var(--mute)}.lk-entry{margin-top:8px}.lk-phon{display:flex;flex-wrap:wrap;gap:16px;color:var(--ink-2);font-size:15px;margin:4px 0 6px}.lk-speak{border:0;background:transparent;color:var(--accent);padding:0 2px;vertical-align:-3px}.lk-tags{margin:4px 0 10px;font-size:13px;color:var(--mute)}.lk-simple{margin:6px 0 10px}.lk-line{display:flex;gap:10px;margin:0 0 8px;font-size:17px;line-height:1.6;color:var(--ink)}.lk-pos{flex:none;min-width:34px;color:var(--mute);font-style:italic;font-family:var(--serif)}.lk-forms{font-size:14px;color:var(--ink-2);line-height:1.9;margin:0 0 10px}.lk-form-name{color:var(--mute)}.lk-lemma{margin:4px 0 8px;color:var(--ink-2)}.lk-src{font-size:12px;color:var(--mute);margin:4px 0 8px}.lk-more{margin-top:14px;padding:16px;border-radius:16px;color:#eef2f1;background:radial-gradient(120% 80% at 30% 0%,#26434a,#17232b 55%,#101a1f)}.lk-tx{margin-top:12px}.lk-tx-out{margin:10px 0;padding:12px 14px;border-radius:12px;background:var(--card);font-size:17px;line-height:1.6;color:var(--ink)}