:root{--lg-bg:#ece5d6;--lg-surface:#fbf7ed;--lg-surface-2:#f4eee1;--lg-sunken:#1f22300d;--lg-ink:#1f2230;--lg-ink-soft:#1f2230a8;--lg-ink-faint:#1f223061;--lg-rule:#1f22301a;--lg-rule-strong:#1f22303d;--lg-accent:#4a5d8c;--lg-accent-soft:#4a5d8c1f;--lg-accent-mid:#4a5d8c52;--lg-btn-hover:#3d4d75;--lg-on-accent:#fbf7ed;--lg-cell-fill:74, 93, 140;--lg-cell-fill-max:.8;--lg-tier-core:#b3893f;--lg-tier-common:#4a5d8c;--lg-tier-uncommon:#8c8472;--lg-rare-1:#7c6fb0;--lg-rare-2:#4fc3c3;--lg-rare-3:#d9a441;--lg-rare-4:#c9788f;--lg-warn:#b86545;--lg-success:#4f7a4f;--lg-seal:#c23b2c;--lg-canvas-bg:#ece5d6;--lg-canvas-link:#4a5d8c73;--lg-shadow:0 1px 0 #1f22300a, 0 12px 32px #1f22301a;--lg-shadow-sm:0 1px 2px #1f223012;--lg-rail-h:60px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lg-bg:#15161c;--lg-surface:#1e2027;--lg-surface-2:#252830;--lg-sunken:#e8e3d60f;--lg-ink:#e9e4d7;--lg-ink-soft:#e9e4d7a3;--lg-ink-faint:#e9e4d75c;--lg-rule:#e9e4d71a;--lg-rule-strong:#e9e4d738;--lg-accent:#93a9db;--lg-accent-soft:#93a9db24;--lg-accent-mid:#93a9db57;--lg-btn-hover:#a8bbe6;--lg-on-accent:#15161c;--lg-cell-fill:147, 169, 219;--lg-cell-fill-max:.72;--lg-tier-core:#dcae5e;--lg-tier-common:#93a9db;--lg-tier-uncommon:#aaa08a;--lg-rare-1:#9c8fd4;--lg-rare-2:#63d8d8;--lg-rare-3:#e8bb5f;--lg-rare-4:#dd93a8;--lg-warn:#e08b6b;--lg-success:#86b286;--lg-seal:#e5604f;--lg-canvas-bg:#15161c;--lg-canvas-link:#93a9db73;--lg-shadow:0 1px 0 #0000004d, 0 12px 32px #00000073;--lg-shadow-sm:0 1px 2px #00000059}}:root[data-theme=dark]{--lg-bg:#15161c;--lg-surface:#1e2027;--lg-surface-2:#252830;--lg-sunken:#e8e3d60f;--lg-ink:#e9e4d7;--lg-ink-soft:#e9e4d7a3;--lg-ink-faint:#e9e4d75c;--lg-rule:#e9e4d71a;--lg-rule-strong:#e9e4d738;--lg-accent:#93a9db;--lg-accent-soft:#93a9db24;--lg-accent-mid:#93a9db57;--lg-btn-hover:#a8bbe6;--lg-on-accent:#15161c;--lg-cell-fill:147, 169, 219;--lg-cell-fill-max:.72;--lg-tier-core:#dcae5e;--lg-tier-common:#93a9db;--lg-tier-uncommon:#aaa08a;--lg-rare-1:#9c8fd4;--lg-rare-2:#63d8d8;--lg-rare-3:#e8bb5f;--lg-rare-4:#dd93a8;--lg-warn:#e08b6b;--lg-success:#86b286;--lg-seal:#e5604f;--lg-canvas-bg:#15161c;--lg-canvas-link:#93a9db73;--lg-shadow:0 1px 0 #0000004d, 0 12px 32px #00000073;--lg-shadow-sm:0 1px 2px #00000059}.longku{background:var(--lg-bg);min-height:100dvh;color:var(--lg-ink);-webkit-font-smoothing:antialiased;flex-direction:column;font-family:Iowan Old Style,Songti SC,Georgia,serif;display:flex}.longku-canvas{flex:1;min-height:0;padding:22px 20px 28px}.longku-top{z-index:30;position:sticky;top:0}.longku-rail{min-height:var(--lg-rail-h);background:var(--lg-surface);border-bottom:1px solid var(--lg-rule);flex-wrap:wrap;align-items:center;gap:18px;padding:0 20px;display:flex}.longku-top{box-shadow:var(--lg-shadow-sm)}.longku-title{letter-spacing:.04em;white-space:nowrap;align-items:baseline;gap:9px;margin:0;font-size:23px;font-weight:400;display:flex}.longku-title .latin{letter-spacing:.17em;text-transform:uppercase;color:var(--lg-ink-faint);font-size:10px}.longku-figures{font:inherit;cursor:pointer;color:inherit;background:0 0;border:0;border-radius:4px;align-items:baseline;gap:16px;margin-left:-10px;padding:6px 10px;display:flex}.longku-figures:hover{background:var(--lg-sunken)}.longku-figure{white-space:nowrap;align-items:baseline;gap:5px;display:flex}.longku-figure-n{color:var(--lg-ink);font-size:16px}.longku-figure-n.is-lead{color:var(--lg-accent)}.longku-figure-label{letter-spacing:.13em;text-transform:uppercase;color:var(--lg-ink-faint);font-size:10px}.longku-rail-spacer{flex:1;min-width:12px}.longku-rail-right{align-items:center;gap:8px;margin-left:auto;display:flex}.longku-switch{border:1px solid var(--lg-rule-strong);border-radius:999px;display:inline-flex;overflow:hidden}.longku-switch button{font:inherit;letter-spacing:.1em;text-transform:uppercase;color:var(--lg-ink-faint);cursor:pointer;background:0 0;border:0;padding:6px 13px;font-size:11px}.longku-switch button.is-active{background:var(--lg-accent);color:var(--lg-on-accent)}.longku-icon-btn{font:inherit;border:1px solid var(--lg-rule-strong);width:31px;height:31px;color:var(--lg-ink-soft);cursor:pointer;background:0 0;border-radius:999px;justify-content:center;align-items:center;font-size:14px;line-height:1;display:inline-flex}.longku-icon-btn:hover{color:var(--lg-accent);border-color:var(--lg-accent)}.longku-home{letter-spacing:.12em;text-transform:uppercase;color:var(--lg-ink-faint);white-space:nowrap;align-items:center;gap:5px;font-size:11px;text-decoration:none;display:inline-flex}.longku-home:hover{color:var(--lg-accent)}.longku-grid{flex-direction:column;gap:10px;display:flex;overflow-x:clip}.longku-row{align-items:flex-start;gap:12px;display:flex}.longku-row-letter{color:var(--lg-ink-faint);text-align:right;top:calc(var(--lg-top-h,var(--lg-rail-h)) + 8px);flex:0 0 18px;padding-top:7px;font-size:15px;font-style:italic;position:sticky}.longku-row-cells{flex-wrap:wrap;flex:1;gap:5px;display:flex}.longku-cell{background-color:var(--lg-surface);background-image:linear-gradient(rgba(var(--lg-cell-fill), calc(var(--lg-cell-share,0) * var(--lg-cell-fill-max))), rgba(var(--lg-cell-fill), calc(var(--lg-cell-share,0) * var(--lg-cell-fill-max))));cursor:pointer;border-radius:4px;flex-direction:column;gap:2px;min-width:62px;padding:7px 9px 8px;transition:transform .12s,box-shadow .12s;display:flex;position:relative}.longku-cell:hover,.longku-cell:focus-visible,.longku-cell:focus-within{z-index:4;box-shadow:var(--lg-shadow-sm);outline:none;transform:translateY(-1px)}.longku-cell:focus-visible{box-shadow:0 0 0 2px var(--lg-accent)}.longku-cell.status-empty{background-color:var(--lg-sunken)}.longku-cell-syl{letter-spacing:.03em;color:var(--lg-ink);font-size:13px}.longku-cell-count{align-items:baseline;gap:1px;font-size:10px;display:inline-flex}.longku-cell-mine{color:var(--lg-accent);font-weight:600}.longku-cell-slash{color:var(--lg-ink-faint);opacity:.55}.longku-cell-all{color:var(--lg-ink-faint)}.longku-cell.status-empty .longku-cell-syl{color:var(--lg-ink-soft)}.longku-cell.status-empty .longku-cell-mine{color:var(--lg-ink-faint);font-weight:400}.longku-cell.is-deep .longku-cell-syl,.longku-cell.is-deep .longku-cell-mine{color:var(--lg-on-accent)}.longku-cell.is-deep .longku-cell-all,.longku-cell.is-deep .longku-cell-slash{color:#fbf7eda6}.longku-cell-pop{--lg-pop-in:7px;top:calc(-1 * var(--lg-pop-in));left:calc(-1 * var(--lg-pop-in));min-width:calc(100% + 2 * var(--lg-pop-in));width:max-content;color:var(--lg-ink);cursor:pointer;pointer-events:none;visibility:hidden;z-index:3;flex-direction:column;gap:6px;padding:7px 10px 9px 16px;transition:visibility 0s linear .2s;display:flex;position:absolute}.longku-cell-pop:before{content:"";z-index:-1;top:var(--lg-pop-in);left:var(--lg-pop-in);right:calc(100% - var(--lg-pop-in) - var(--lg-cell-w,60px));bottom:calc(100% - var(--lg-pop-in) - var(--lg-cell-h,44px));background:var(--lg-surface);border:1px solid var(--lg-rule-strong);box-shadow:var(--lg-shadow-sm);opacity:0;border-radius:4px;transition:top .2s cubic-bezier(.2,.8,.2,1),right .2s cubic-bezier(.2,.8,.2,1),bottom .2s cubic-bezier(.2,.8,.2,1),left .2s cubic-bezier(.2,.8,.2,1),border-radius .2s ease-out,box-shadow .2s ease-out,opacity 90ms ease-out;position:absolute}.longku-cell-pop>*{opacity:0;transition:opacity 90ms ease-out,transform 90ms ease-out;transform:translateY(2px)}.longku-cell[data-pop=left] .longku-cell-pop{left:auto;right:calc(-1 * var(--lg-pop-in))}.longku-cell[data-pop=left] .longku-cell-pop:before{left:calc(100% - var(--lg-pop-in) - var(--lg-cell-w,60px));right:var(--lg-pop-in)}@media (hover:hover){.longku-cell:hover .longku-cell-pop{visibility:visible;pointer-events:auto;transition-delay:0s}.longku-cell:hover .longku-cell-pop:before{box-shadow:var(--lg-shadow);opacity:1;border-radius:6px;inset:0}.longku-cell:hover .longku-cell-pop>*{opacity:1;transition:opacity .14s ease-out 90ms,transform .16s ease-out 90ms;transform:none}}.longku-cell:focus-visible .longku-cell-pop{visibility:visible;pointer-events:auto;transition-delay:0s}.longku-cell:has(.longku-pop-chain:focus-visible) .longku-cell-pop{visibility:visible;pointer-events:auto;transition-delay:0s}.longku-cell:focus-visible .longku-cell-pop:before{box-shadow:var(--lg-shadow);opacity:1;border-radius:6px;inset:0}.longku-cell:has(.longku-pop-chain:focus-visible) .longku-cell-pop:before{box-shadow:var(--lg-shadow);opacity:1;border-radius:6px;inset:0}.longku-cell:focus-visible .longku-cell-pop>*{opacity:1;transition:opacity .14s ease-out 90ms,transform .16s ease-out 90ms;transform:none}.longku-cell:has(.longku-pop-chain:focus-visible) .longku-cell-pop>*{opacity:1;transition:opacity .14s ease-out 90ms,transform .16s ease-out 90ms;transform:none}.longku-pop-head{justify-content:space-between;align-items:baseline;gap:14px;display:flex}.longku-pop-syl{letter-spacing:.03em;font-size:17px}.longku-pop-chain{font:inherit;border:1px solid var(--lg-accent-mid);color:var(--lg-accent);cursor:pointer;white-space:nowrap;background:0 0;border-radius:999px;padding:2px 8px;font-size:11px}.longku-pop-chain:hover,.longku-pop-chain:focus-visible{background:var(--lg-accent-soft);outline:none}.longku-pop-rows{white-space:nowrap;grid-template-columns:auto auto auto;align-items:baseline;gap:3px 10px;font-size:12px;display:grid}.longku-pop-rows>div{display:contents}.longku-pop-k{letter-spacing:.12em;text-transform:uppercase;color:var(--lg-ink-faint);font-size:9px}.longku-pop-v{color:var(--lg-ink-soft);font-variant-numeric:tabular-nums}.longku-pop-v b{color:var(--lg-ink);font-weight:600}.longku-pop-rows>.is-key .longku-pop-k,.longku-pop-rows>.is-key .longku-pop-v b{color:var(--lg-accent)}.longku-pop-aside{color:var(--lg-ink-faint);grid-column:3;font-size:11px}.longku-pop-aside.is-warn{color:var(--lg-warn)}.longku-wall-empty{text-align:center;max-width:460px;color:var(--lg-ink-soft);margin:12vh auto;line-height:1.7}.longku-dock{z-index:25;background:var(--lg-surface);border-top:1px solid var(--lg-rule);padding:12px 20px calc(12px + env(safe-area-inset-bottom));position:sticky;bottom:0;box-shadow:0 -8px 28px #00000012}.longku-dock-inner{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.longku-dock-label{letter-spacing:.18em;color:var(--lg-ink-faint);white-space:nowrap;font-size:12px}.longku-chain-strip{flex-wrap:wrap;flex:1;align-items:center;gap:2px 4px;min-width:0;margin:0;padding:0;list-style:none;display:flex}.longku-chain-strip li{align-items:center;display:inline-flex}.longku-chain-arrow{color:var(--lg-ink-faint);margin:0 7px;font-size:13px}.longku-chain-word{letter-spacing:.02em;color:var(--lg-ink);font-size:27px;display:inline-block}.longku-chain-word.is-landed{animation:.55s cubic-bezier(.16,1,.3,1) both longku-land}@keyframes longku-land{0%{opacity:0;transform:translateY(10px)scale(.94)}45%{opacity:1;color:var(--lg-success);transform:translateY(0)scale(1.06)}to{opacity:1;transform:none}}.longku-chain-row.is-live:has(.is-landed){animation:.75s both longku-row-flash}@keyframes longku-row-flash{0%{background:color-mix(in srgb, var(--lg-success) 22%, transparent)}to{background:var(--lg-sunken)}}.longku-play-form{flex-wrap:wrap;flex:1;align-items:center;gap:12px;min-width:260px;display:flex}.longku-play-prompt{color:var(--lg-ink-soft);white-space:nowrap;font-size:14px}.longku-play-prompt strong{color:var(--lg-accent);margin-left:3px;font-size:20px;font-style:italic;font-weight:400}.longku-play-input-row{flex:1;gap:9px;min-width:200px;display:flex}.longku-play-input-row .longku-input{flex:1;padding:8px 12px;font-size:21px}.longku-play-sub,.longku-dock-hint{color:var(--lg-ink-faint);white-space:nowrap;font-size:11px}.longku-sweep{align-items:center;gap:9px;min-width:150px;display:flex}.longku-sweep-bar{background:var(--lg-sunken);border-radius:2px;flex:1;height:3px;overflow:hidden}.longku-sweep-fill{background:var(--lg-accent);height:100%;transition:width .3s}.longku-sweep-text{color:var(--lg-ink-faint);white-space:nowrap;font-size:11px}.longku-play-empty{color:var(--lg-ink-soft);margin:0;font-size:14px}.longku-stuck{flex-direction:column;gap:11px;animation:.22s both longku-rise;display:flex}@keyframes longku-rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.longku-stuck-line{color:var(--lg-ink);margin:0;font-size:15px}.longku-stuck-line strong{color:var(--lg-warn);font-style:italic;font-weight:400}.longku-teach{flex-wrap:wrap;gap:10px;display:flex}.longku-teach-card{font:inherit;text-align:left;background:var(--lg-surface-2);border:1px solid var(--lg-rule-strong);cursor:pointer;border-radius:5px;flex-direction:column;align-items:flex-start;gap:3px;padding:10px 14px;display:flex}.longku-teach-card:hover{border-color:var(--lg-accent);background:var(--lg-accent-soft)}.longku-teach-word{color:var(--lg-ink);font-size:23px}.longku-teach-pinyin{color:var(--lg-ink-soft);font-size:12px;font-style:italic}.longku-teach-add{letter-spacing:.1em;text-transform:uppercase;color:var(--lg-accent);font-size:10px}.longku-play-done{flex-direction:column;align-items:flex-start;gap:11px;display:flex}.longku-rail-add{flex:0 300px;min-width:190px}.longku-rail-addbtn{display:none}.longku-add{width:100%;position:relative}.longku-add-box{position:relative}.longku-add-input{background:var(--lg-bg);padding:7px 12px;font-size:14px}.longku-add-spinner{border:2px solid var(--lg-rule-strong);border-top-color:var(--lg-accent);border-radius:50%;width:10px;height:10px;margin-top:-5px;animation:.6s linear infinite longku-spin;position:absolute;top:50%;right:11px}@keyframes longku-spin{to{transform:rotate(360deg)}}.longku-add-list{z-index:60;background:var(--lg-surface);border:1px solid var(--lg-rule-strong);width:max-content;min-width:100%;max-width:min(640px,92vw);box-shadow:var(--lg-shadow);border-radius:5px;max-height:60vh;margin:0;padding:4px;list-style:none;position:absolute;top:calc(100% + 5px);left:0;overflow-y:auto}.longku-add-row{cursor:pointer;border-radius:3px;grid-template-columns:auto auto 1fr auto;align-items:baseline;gap:10px;padding:8px 10px;display:grid}.longku-add-row.is-active{background:var(--lg-accent-soft)}.longku-add-row.is-held{opacity:.45;cursor:default}.longku-add-word{color:var(--lg-ink);white-space:nowrap;font-size:19px}.longku-add-variant{color:var(--lg-ink-faint);margin-left:2px;font-size:13px}.longku-add-pinyin{color:var(--lg-ink-soft);white-space:nowrap;font-size:12px;font-style:italic}.longku-add-gloss{color:var(--lg-ink-faint);text-overflow:ellipsis;white-space:nowrap;font-size:12px;overflow:hidden}.longku-add-tail{letter-spacing:.06em;color:var(--lg-accent);white-space:nowrap;align-items:center;gap:6px;font-size:10px;display:inline-flex}.longku-add-recent{z-index:55;background:var(--lg-surface);border:1px solid var(--lg-rule-strong);max-width:min(520px,90vw);box-shadow:var(--lg-shadow);border-radius:5px;flex-wrap:wrap;align-items:center;gap:6px;padding:6px 8px;display:flex;position:absolute;top:calc(100% + 5px);left:0}.longku-add-recent-label{letter-spacing:.14em;text-transform:uppercase;color:var(--lg-ink-faint);font-size:9px}.longku-add-recent-word{font:inherit;border:1px solid var(--lg-rule);background:var(--lg-surface-2);color:var(--lg-ink);cursor:pointer;border-radius:4px;align-items:center;gap:5px;padding:2px 7px;font-size:15px;display:inline-flex}.longku-add-recent-word:hover{border-color:var(--lg-warn);color:var(--lg-warn)}.longku-add-recent-x{color:var(--lg-ink-faint);font-size:9px}.longku-add-recent-word:hover .longku-add-recent-x{color:var(--lg-warn)}.longku-add-recent-clear{font:inherit;color:var(--lg-ink-faint);cursor:pointer;background:0 0;border:0;margin-left:auto;padding:2px 4px;font-size:10px}.longku-add-recent-clear:hover{color:var(--lg-ink)}.longku-input{width:100%;font:inherit;background:var(--lg-bg);border:1px solid var(--lg-rule-strong);color:var(--lg-ink);border-radius:4px;outline:none;padding:10px 13px}.longku-input:focus{border-color:var(--lg-accent);box-shadow:0 0 0 3px var(--lg-accent-soft)}.longku-input::placeholder{color:var(--lg-ink-faint)}.longku-input-msg{margin:0;font-size:13px}.longku-input-msg.is-error{color:var(--lg-warn)}.longku-input-msg.is-success{color:var(--lg-success)}.longku-btn{font:inherit;letter-spacing:.06em;background:var(--lg-surface-2);border:1px solid var(--lg-rule-strong);cursor:pointer;color:var(--lg-ink);white-space:nowrap;border-radius:4px;padding:8px 15px;font-size:13px}.longku-btn:hover{border-color:var(--lg-accent);color:var(--lg-accent)}.longku-btn.is-primary{background:var(--lg-accent);color:var(--lg-on-accent);border-color:var(--lg-accent)}.longku-btn.is-primary:hover{background:var(--lg-btn-hover);color:var(--lg-on-accent)}.longku-btn:disabled{opacity:.45;cursor:not-allowed}.longku-btn.is-primary:disabled:hover{background:var(--lg-accent)}.longku-progress{background:var(--lg-sunken);border-radius:2px;height:3px;margin-top:8px;overflow:hidden}.longku-progress-fill{background:var(--lg-accent);height:100%;transition:width .3s}.longku-modal-overlay{z-index:80;background:#0a0b0f8c;justify-content:center;align-items:center;padding:24px;animation:.15s both longku-fade;display:flex;position:fixed;inset:0}@keyframes longku-fade{0%{opacity:0}to{opacity:1}}.longku-modal{background:var(--lg-surface);border:1px solid var(--lg-rule-strong);box-shadow:var(--lg-shadow);border-radius:8px;width:min(680px,100%);max-height:calc(100vh - 48px);padding:26px 30px 30px;overflow:auto}.longku-modal-head{justify-content:space-between;align-items:baseline;gap:14px;margin-bottom:16px;display:flex}.longku-modal-syllable{letter-spacing:.02em;color:var(--lg-accent);margin:0;font-size:32px;font-style:italic;font-weight:400}.longku-modal-sub{color:var(--lg-ink-faint);font-size:12px}.longku-modal-close{font:inherit;color:var(--lg-ink-soft);cursor:pointer;background:0 0;border:0;font-size:18px}.longku-modal-close:hover{color:var(--lg-warn)}.longku-modal-section{margin-top:20px}.longku-subhead{letter-spacing:.13em;text-transform:uppercase;color:var(--lg-ink-soft);margin:0 0 8px;font-size:11px;font-weight:400}.longku-hint{color:var(--lg-ink-faint);margin:0;font-size:12px}.longku-bucket-list{flex-direction:column;gap:1px;margin:0;padding:0;list-style:none;display:flex}.longku-bucket-item{border-radius:3px;align-items:baseline;gap:11px;padding:7px 9px;display:flex}.longku-bucket-item:nth-child(odd){background:var(--lg-sunken)}.longku-bucket-item{flex-wrap:wrap}.longku-bucket-word{font-size:19px}.longku-bucket-meta{color:var(--lg-ink-faint);letter-spacing:.06em;font-size:11px}.longku-bucket-stats{color:var(--lg-ink-faint);white-space:nowrap;align-items:center;gap:10px;margin-left:auto;font-size:11px;display:flex}.longku-bucket-pct{color:var(--lg-ink-soft);text-align:right;min-width:2.2em}.longku-bucket-stat b{color:var(--lg-ink-soft);font-weight:600}.longku-bucket-stat.is-miss b{color:var(--lg-warn)}.longku-bucket-drop{color:var(--lg-ink-faint);cursor:pointer;font:inherit;background:0 0;border:0;padding:0 4px;font-size:12px}.longku-bucket-drop:hover{color:var(--lg-warn)}.longku-chips{flex-wrap:wrap;gap:7px;display:flex}.longku-chip{font:inherit;border:1px dashed var(--lg-rule-strong);color:var(--lg-ink-soft);cursor:pointer;background:0 0;border-radius:4px;align-items:baseline;gap:7px;padding:6px 11px;display:inline-flex}.longku-chip:hover{border-style:solid;border-color:var(--lg-accent);color:var(--lg-accent)}.longku-chip-word{font-size:17px}.longku-chip-syl{color:var(--lg-ink-faint);font-size:11px}.longku-sheet-fig{grid-template-columns:repeat(auto-fit,minmax(128px,1fr));gap:16px;margin-bottom:4px;display:grid}.longku-stat-label{letter-spacing:.13em;text-transform:uppercase;color:var(--lg-ink-faint);font-size:10px}.longku-stat-value{margin-top:2px;font-size:26px;line-height:1.15}.longku-stat-sub{color:var(--lg-ink-faint);margin-top:3px;font-size:11px;line-height:1.4}.longku-coverage-lead{flex-wrap:wrap;align-items:baseline;gap:14px;margin-bottom:4px;display:flex}.longku-coverage-pct{color:var(--lg-accent);font-size:40px;line-height:1}.longku-coverage-note{min-width:200px;color:var(--lg-ink-faint);flex:1;margin:0;font-size:12px;line-height:1.55}.longku-coverage-bars{grid-template-columns:repeat(4,1fr);gap:18px;margin-top:16px;display:grid}.longku-tierbar-head{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:5px;display:flex}.longku-tierbar-label{letter-spacing:.13em;text-transform:uppercase;color:var(--lg-ink-soft);font-size:10px}.longku-tierbar-pct{color:var(--lg-ink);font-size:13px}.longku-tierbar-track{background:var(--lg-sunken);border-radius:3px;height:6px;overflow:hidden}.longku-tierbar-fill{border-radius:3px;height:100%;transition:width .35s}.longku-tierbar-sub{color:var(--lg-ink-faint);margin-top:6px;font-size:11px;line-height:1.45}.longku-tierbar-mine{color:var(--lg-accent);font-weight:600}.longku-tierbar-slash{opacity:.55}.longku-tierbar.tier-core .longku-tierbar-fill{background:var(--lg-tier-core)}.longku-tierbar.tier-common .longku-tierbar-fill{background:var(--lg-tier-common)}.longku-tierbar.tier-uncommon .longku-tierbar-fill{background:var(--lg-tier-uncommon)}.longku-tierbar.tier-core .longku-tierbar-mine{color:var(--lg-tier-core)}.longku-tierbar.tier-uncommon .longku-tierbar-mine{color:var(--lg-tier-uncommon)}.longku-tiers{flex-wrap:wrap;gap:8px;display:flex}.longku-pill{border:1px solid var(--lg-rule);letter-spacing:.06em;color:var(--lg-ink-faint);background:var(--lg-surface-2);border-radius:999px;align-items:baseline;gap:6px;padding:4px 11px;font-size:12px;display:inline-flex}.longku-pill-n{color:var(--lg-ink-soft);font-size:14px}.longku-pill.is-on{color:var(--lg-ink)}.longku-pill.is-on .longku-pill-n{color:var(--lg-ink);font-weight:600}.longku-pill.tier-core.is-on{border-color:var(--lg-tier-core);background:color-mix(in srgb, var(--lg-tier-core) 14%, transparent)}.longku-pill.tier-core.is-on .longku-pill-n{color:var(--lg-tier-core)}.longku-pill.tier-common.is-on{border-color:var(--lg-accent);background:var(--lg-accent-soft)}.longku-pill.tier-common.is-on .longku-pill-n{color:var(--lg-accent)}.longku-pill.tier-uncommon.is-on{border-color:var(--lg-tier-uncommon);background:color-mix(in srgb, var(--lg-tier-uncommon) 16%, transparent)}.longku-pill.tier-uncommon.is-on .longku-pill-n{color:var(--lg-tier-uncommon)}.longku-pill.is-mini{letter-spacing:.08em;text-transform:uppercase;border-color:var(--lg-rule);background:0 0;padding:1px 7px;font-size:10px}.longku-pill.is-mini.tier-core{color:var(--lg-tier-core);border-color:color-mix(in srgb, var(--lg-tier-core) 50%, transparent)}.longku-pill.is-mini.tier-common{color:var(--lg-accent);border-color:var(--lg-accent-mid)}.longku-pill.is-mini.tier-uncommon{color:var(--lg-tier-uncommon);border-color:var(--lg-rule-strong)}@keyframes longku-shimmer{0%{background-position:0%}to{background-position:200%}}.longku-tierbar.tier-rare .longku-tierbar-fill,.longku-tierbar.tier-rare .longku-tierbar-label,.longku-tierbar.tier-rare .longku-tierbar-mine,.longku-pill.tier-rare.is-on,.longku-pill.is-mini.tier-rare{background-image:linear-gradient(100deg, var(--lg-rare-1) 0%, var(--lg-rare-2) 22%, var(--lg-rare-3) 44%, var(--lg-rare-4) 66%, var(--lg-rare-1) 100%);background-size:200% 100%;animation:7s linear infinite longku-shimmer}.longku-pill.tier-rare.is-on,.longku-pill.is-mini.tier-rare{color:#fbf7ed;border-color:#0000}.longku-pill.tier-rare.is-on .longku-pill-n{color:#fbf7ed;font-weight:600}.longku-tierbar.tier-rare .longku-tierbar-label,.longku-tierbar.tier-rare .longku-tierbar-mine{color:#0000;-webkit-background-clip:text;background-clip:text;font-weight:600}.longku-chain-wrap{flex-direction:column;display:flex}.longku-stats{grid-template-columns:repeat(auto-fit,minmax(128px,1fr));gap:16px;display:grid}.longku-chain-canvas{border:1px solid var(--lg-rule);background:var(--lg-canvas-bg);border-radius:6px;height:58dvh;min-height:320px;overflow:hidden}.longku-chain-empty{text-align:center;max-width:460px;color:var(--lg-ink-soft);margin:12vh auto;line-height:1.7}@media (max-width:860px){.longku-coverage-bars{grid-template-columns:repeat(2,1fr);gap:14px 18px}}@media (max-width:720px){.longku-canvas{padding:16px 12px 20px}.longku-row-letter{position:static}.longku-cell{min-width:56px}.longku-chain-word{font-size:22px}.longku-play-form,.longku-play-input-row{min-width:0}.longku-add-row{grid-template-columns:auto minmax(0,1fr) auto}.longku-add-gloss,.longku-add-route{display:none}.longku-add-pinyin{text-overflow:ellipsis;overflow:hidden}}@media (prefers-reduced-motion:reduce){.longku-tierbar.tier-rare .longku-tierbar-fill,.longku-tierbar.tier-rare .longku-tierbar-label,.longku-tierbar.tier-rare .longku-tierbar-mine,.longku-pill.tier-rare.is-on,.longku-pill.is-mini.tier-rare{background-position:25%;animation:none}.longku-chain-word,.longku-chain-word.is-landed,.longku-stuck,.longku-modal-overlay{animation:none}.longku-chain-row.is-live:has(.is-landed){animation:none}.longku-cell{transition:none}}.longku-spectator{color:var(--lg-ink-soft);background:color-mix(in srgb, var(--lg-tier-core) 12%, var(--lg-surface));border-bottom:1px solid var(--lg-rule);align-items:center;gap:9px;padding:9px 20px;font-size:13px;display:flex}.longku-spectator-dot{background:var(--lg-tier-core);border-radius:50%;flex:none;width:6px;height:6px}.longku-spectator-who{color:var(--lg-ink-faint)}.longku-spectator-text{flex:1}.longku-spectator-text strong{color:var(--lg-ink);font-weight:400}.longku-spectator-cta{flex:none;padding:5px 12px;font-size:12px}.longku-chain-log{flex-direction:column;gap:2px;max-height:min(34vh,300px);margin-bottom:10px;padding-right:4px;display:flex;overflow-y:auto}.longku-chain-row{opacity:.55;border-radius:4px;align-items:baseline;gap:10px;padding:4px 6px;display:flex}.longku-chain-row.is-live{opacity:1;background:var(--lg-sunken)}.longku-chain-n{text-align:right;width:1.4em;color:var(--lg-ink-faint);flex:none;font-size:10px}.longku-chain-len{color:var(--lg-ink-faint);flex:none;margin-left:auto;font-size:10px}.longku-chain-row.is-live .longku-chain-len{color:var(--lg-accent)}.longku-chain-row:not(.is-live) .longku-chain-word{font-size:17px}.longku-chain-row:not(.is-live) .longku-chain-arrow{margin:0 4px;font-size:10px}.longku-peek{background:var(--lg-sunken);border-radius:4px;flex-wrap:wrap;align-items:baseline;gap:12px;margin-top:8px;padding:8px 10px;display:flex}.longku-peek-label{letter-spacing:.12em;text-transform:uppercase;color:var(--lg-ink-faint);flex:none;font-size:10px}.longku-peek-words{flex-wrap:wrap;gap:6px 8px;display:flex}.longku-peek-word{font:inherit;border:1px solid var(--lg-rule-strong);background:var(--lg-surface);color:var(--lg-ink);cursor:pointer;border-radius:4px;padding:2px 9px;font-size:19px}.longku-peek-word:hover{border-color:var(--lg-accent);color:var(--lg-accent);background:var(--lg-accent-soft)}@media (max-width:720px){.longku-chain-log{max-height:26vh}.longku-peek-word{font-size:17px}}.longku-peek{flex-direction:column;align-items:stretch;gap:8px}.longku-peek-add{border-top:1px dashed var(--lg-rule);flex-wrap:wrap;align-items:center;gap:10px;padding-top:8px;display:flex}.longku-peek-word.is-new{border-style:dashed;border-color:var(--lg-tier-core);background:color-mix(in srgb, var(--lg-tier-core) 10%, transparent);color:var(--lg-tier-core);align-items:center;gap:7px;display:inline-flex}.longku-peek-new{letter-spacing:.12em;text-transform:uppercase;background:var(--lg-tier-core);color:var(--lg-on-accent);border-radius:999px;padding:1px 5px;font-size:9px}.longku-peek{flex-direction:column;align-items:stretch;gap:5px;margin-top:6px;padding:7px 9px}.longku-peek-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.longku-peek-add{border-top:1px dashed var(--lg-rule);gap:10px;padding-top:5px}.longku-peek-word{align-items:center;gap:6px;padding:1px 8px;font-size:17px;display:inline-flex}.longku-peek-word.is-new{border-style:dashed;border-color:var(--lg-rule-strong);color:var(--lg-ink-soft);background:0 0}.longku-peek-word.is-new:hover{border-style:solid;border-color:var(--lg-accent);background:var(--lg-accent-soft);color:var(--lg-ink)}.longku-chain-next{font:inherit;border:1px dashed var(--lg-rule-strong);color:var(--lg-ink-soft);cursor:pointer;background:0 0;border-radius:4px;align-items:center;gap:6px;padding:2px 8px;font-size:17px;line-height:1;display:inline-flex}.longku-chain-next:hover{border-style:solid;border-color:var(--lg-accent);background:var(--lg-accent-soft);color:var(--lg-ink)}.longku-chain-row:not(.is-live) .longku-chain-next{font-size:15px}.longku-stuck{gap:7px}.longku-stuck-line{font-size:14px}.longku-stuck-next{flex:none;margin-left:auto}.longku-progress-strip{border-bottom:1px solid var(--lg-rule);flex-wrap:wrap;align-items:center;gap:22px;margin-bottom:18px;padding-bottom:16px;display:flex}.longku-strip-lead{font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;flex-direction:column;flex:none;align-items:flex-start;gap:1px;padding:0 4px 0 0;display:flex}.longku-strip-pct{color:var(--lg-accent);font-size:30px;line-height:1}.longku-strip-lead:hover .longku-strip-pct{color:var(--lg-btn-hover)}.longku-strip-lead-label{letter-spacing:.14em;text-transform:uppercase;color:var(--lg-ink-faint);font-size:10px}.longku-strip-playability{letter-spacing:.14em;text-transform:uppercase;color:var(--lg-ink-faint);white-space:nowrap;margin-top:5px;font-size:10px}.longku-strip-playability-n{letter-spacing:.02em;color:var(--lg-accent);font-size:13px}.longku-strip-tiers{flex:1;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:8px 20px;min-width:260px;display:grid}.longku-strip-tier-head{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:4px;display:flex}.longku-strip-tier-label{letter-spacing:.12em;text-transform:uppercase;color:var(--lg-ink-soft);font-size:10px}.longku-strip-tier-n{color:var(--lg-ink-faint);font-size:11px}.longku-strip-mine{color:var(--lg-ink);font-weight:600}.longku-strip-slash{opacity:.5;margin:0 2px}.longku-strip-track{background:var(--lg-sunken);border-radius:2px;height:4px;overflow:hidden}.longku-strip-track.is-empty{opacity:.4}.longku-strip-fill{border-radius:2px;height:100%;transition:width .35s}.longku-strip-tier.tier-core .longku-strip-fill{background:var(--lg-tier-core)}.longku-strip-tier.tier-core .longku-strip-mine{color:var(--lg-tier-core)}.longku-strip-tier.tier-common .longku-strip-fill{background:var(--lg-tier-common)}.longku-strip-tier.tier-common .longku-strip-mine{color:var(--lg-tier-common)}.longku-strip-tier.tier-uncommon .longku-strip-fill{background:var(--lg-tier-uncommon)}.longku-strip-tier.tier-uncommon .longku-strip-mine{color:var(--lg-tier-uncommon)}.longku-strip-tier.tier-rare .longku-strip-fill,.longku-strip-tier.tier-rare .longku-strip-label{background-image:linear-gradient(100deg, var(--lg-rare-1) 0%, var(--lg-rare-2) 22%, var(--lg-rare-3) 44%, var(--lg-rare-4) 66%, var(--lg-rare-1) 100%);background-size:200% 100%;animation:7s linear infinite longku-shimmer}@media (max-width:720px){.longku-progress-strip{gap:14px;margin-bottom:14px;padding-bottom:12px}.longku-strip-pct{font-size:24px}.longku-strip-tiers{grid-template-columns:repeat(2,1fr);gap:8px 14px}}@media (prefers-reduced-motion:reduce){.longku-strip-tier.tier-rare .longku-strip-fill{background-position:25%;animation:none}}.longku-dock-controls{flex:none;align-items:center;gap:6px;display:flex}.longku-dock-confirm{color:var(--lg-warn);white-space:nowrap;font-size:12px}.longku-dock.is-closed{padding:0}.longku-dock-reopen{width:100%;font:inherit;padding:9px 20px calc(9px + env(safe-area-inset-bottom));color:var(--lg-ink-soft);cursor:pointer;text-align:left;background:0 0;border:0;align-items:center;gap:12px;display:flex}.longku-dock-reopen:hover{color:var(--lg-ink);background:var(--lg-sunken)}.longku-dock-reopen-sub{color:var(--lg-ink-faint);flex:1;font-size:11px}.longku-learn-head{max-width:640px;margin-bottom:18px}.longku-learn-lede{color:var(--lg-ink-soft);margin:0;font-size:14px;line-height:1.65}.longku-learn-lede strong{color:var(--lg-accent);font-size:17px;font-style:italic;font-weight:400}.longku-learn-grid{grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:12px;display:grid}.longku-learn-card{background:var(--lg-surface);border:1px solid var(--lg-rule);border-radius:6px;flex-direction:column;gap:3px;padding:13px 15px 14px;display:flex}.longku-learn-word{letter-spacing:.02em;font-size:25px}.longku-learn-pinyin{color:var(--lg-ink-soft);font-size:12px;font-style:italic}.longku-learn-gloss{color:var(--lg-ink-faint);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:3px;font-size:12px;line-height:1.5;display:-webkit-box;overflow:hidden}.longku-learn-foot{flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px;display:flex}.longku-learn-join{letter-spacing:.06em;color:var(--lg-ink-faint);font-size:10px}.longku-learn-saves{color:var(--lg-success);white-space:nowrap;margin-left:auto;font-size:11px}.longku-learn-add{align-self:flex-start;margin-top:10px}.longku-strength{background:var(--lg-sunken);vertical-align:middle;border-radius:2px;width:46px;height:3px;display:inline-block;overflow:hidden}.longku-strength-fill{background:var(--lg-accent);height:100%;transition:width .3s;display:block}.longku-words-head{flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:14px;display:flex}.longku-words-filter{max-width:320px;padding:7px 11px;font-size:14px}.longku-words-isolated{color:var(--lg-warn);font-weight:400}.longku-words-table{flex-direction:column;gap:1px;display:flex}.longku-words-row{border-radius:4px;grid-template-columns:minmax(150px,1.6fr) 92px minmax(140px,1.1fr) 62px 62px 74px 108px 28px;align-items:center;gap:10px;padding:6px 8px;display:grid}.longku-words-row:not(.is-head):nth-child(odd){background:var(--lg-sunken)}.longku-words-row.is-head{border-bottom:1px solid var(--lg-rule);border-radius:0;margin-bottom:3px;padding-bottom:7px}.longku-words-th{font:inherit;letter-spacing:.12em;text-transform:uppercase;color:var(--lg-ink-faint);cursor:pointer;text-align:left;white-space:nowrap;background:0 0;border:0;padding:0;font-size:10px}.longku-words-th:hover{color:var(--lg-ink-soft)}.longku-words-th.is-sorted{color:var(--lg-accent)}.longku-words-th.col-recalls,.longku-words-th.col-misses,.longku-words-th.col-strength{text-align:right}.longku-words-td{color:var(--lg-ink-faint);min-width:0;font-size:12px}.longku-words-td.col-word{align-items:center;gap:8px;min-width:0;display:flex}.longku-words-w{color:var(--lg-ink);white-space:nowrap;font-size:18px}.longku-words-td.col-links{flex-wrap:wrap;gap:6px;display:flex}.longku-words-syl{font:inherit;letter-spacing:.04em;border:1px solid var(--lg-rule);color:var(--lg-ink-faint);cursor:pointer;white-space:nowrap;background:0 0;border-radius:3px;padding:2px 6px;font-size:10px}.longku-words-syl:hover{border-color:var(--lg-accent);color:var(--lg-accent)}.longku-words-td.col-recalls,.longku-words-td.col-misses{text-align:right;color:var(--lg-ink-soft)}.longku-words-td.col-misses.is-miss{color:var(--lg-warn)}.longku-words-td.col-strength{justify-content:flex-end;align-items:center;gap:7px;display:flex}.longku-words-pct{color:var(--lg-ink-soft)}.longku-words-td.col-drop{text-align:right}@media (max-width:860px){.longku-words-row{grid-template-columns:minmax(110px,1.4fr) 70px 1fr 96px 24px}.longku-words-th.col-misses,.longku-words-th.col-added,.longku-words-th.col-recalls,.longku-words-td.col-misses,.longku-words-td.col-added,.longku-words-td.col-recalls{display:none}}.longku-chain-word.is-past{font-size:19px}.longku-chain-break{color:var(--lg-ink-faint);letter-spacing:.1em;margin:0 10px;font-size:15px}.longku-chain-bridge{font-size:16px}.longku-chain-bridge.is-landed{animation:.55s cubic-bezier(.16,1,.3,1) both longku-land}.longku-chain-bridge.is-banked,.longku-chain-bridge.is-banked:hover{border-style:solid;border-color:var(--lg-rule);color:var(--lg-ink-soft);cursor:default;background:0 0}.longku-chain-len-b{color:var(--lg-ink-faint)}@media (max-width:720px){.longku-chain-word.is-past{font-size:17px}}.longku-hint-list{color:var(--lg-ink);flex-direction:column;gap:3px;margin:0;padding-left:1.4em;font-size:14px;display:flex}.longku-hint-list li::marker{color:var(--lg-ink-faint);font-size:11px}.longku-play{flex-direction:column;gap:8px;min-width:0;display:flex}.longku-play-head{align-items:center;gap:12px;min-width:0;display:flex}.longku-play-head .longku-play-prompt{flex:none}.longku-play-head .longku-sweep{flex:0 200px;min-width:70px;margin-left:auto}.longku-play-head .longku-dock-controls{gap:2px}.longku-play-head .longku-icon-btn{width:28px;height:28px;color:var(--lg-ink-faint);border-color:#0000;font-size:13px}.longku-play-head .longku-icon-btn:hover{color:var(--lg-accent);border-color:var(--lg-rule-strong)}.longku-play .longku-play-input-row{flex:none;min-width:0}.longku-play .longku-play-input-row .longku-input{min-width:0}.longku-play .longku-play-input-row .longku-btn{flex:none}.longku-chain-log{overscroll-behavior:contain}@media (max-width:720px){.longku-play-head{gap:8px}.longku-play-head .longku-sweep{min-width:36px}.longku-chain-bridge{gap:4px;padding:2px 6px;font-size:15px}.longku-play-head .longku-dock-confirm{display:none}.longku-play .longku-play-input-row{gap:6px}.longku-play .longku-play-input-row .longku-input{padding:7px 10px;font-size:19px}.longku-play .longku-play-input-row .longku-btn{padding-left:11px;padding-right:11px}.longku-play-head>.longku-dock-label{display:none}.longku-play-head .longku-icon-btn{width:34px;height:34px}}.longku-words-td.col-due{color:var(--lg-ink-faint);white-space:nowrap}.longku-words-td.col-due.is-due{color:var(--lg-accent)}.longku-words-due-toggle{font:inherit;border:1px solid var(--lg-rule-strong);color:var(--lg-ink-soft);cursor:pointer;white-space:nowrap;background:0 0;border-radius:999px;padding:5px 11px;font-size:12px}.longku-words-due-toggle b{color:var(--lg-accent);font-weight:400}.longku-words-due-toggle:hover{border-color:var(--lg-accent)}.longku-words-due-toggle.is-on{border-color:var(--lg-accent);background:var(--lg-accent-soft);color:var(--lg-ink)}.longku-heat{flex-direction:column;gap:3px;max-width:560px;margin-bottom:18px;display:flex}.longku-heat-row{grid-template-columns:64px repeat(14,minmax(0,1fr));align-items:center;gap:3px;display:grid}.longku-heat-label{letter-spacing:.12em;text-transform:uppercase;color:var(--lg-ink-faint);cursor:default;font-size:10px}.longku-heat-day{flex-direction:column;align-items:center;padding-bottom:2px;line-height:1.15;display:flex}.longku-heat-wd{letter-spacing:.06em;text-transform:uppercase;color:var(--lg-ink-faint);font-size:9px}.longku-heat-dn{color:var(--lg-ink-soft);font-size:11px}.longku-heat-day.is-today .longku-heat-wd,.longku-heat-day.is-today .longku-heat-dn{color:var(--lg-accent)}.longku-heat-cell{--hue:var(--lg-accent);aspect-ratio:1;background:var(--lg-sunken);color:var(--lg-ink);border-radius:3px;justify-content:center;align-items:center;font-size:10px;display:flex}.longku-heat-cell[style]{background:color-mix(in srgb, var(--hue) calc(var(--heat) * 100%), var(--lg-sunken));color:var(--lg-ink)}.longku-heat-cell.is-hot{color:var(--lg-on-accent)}.longku-heat-cell.is-na{border:1px dashed var(--lg-rule);opacity:.45;background:0 0}.longku-heat-cell.is-today{outline:1px solid var(--lg-accent);outline-offset:1px}.longku-heat-row.is-added .longku-heat-cell{--hue:var(--lg-tier-core)}.longku-heat-row.is-recalled .longku-heat-cell{--hue:var(--lg-success)}@media (max-width:720px){.longku-heat{max-width:none}.longku-heat-row{grid-template-columns:46px repeat(14,minmax(0,1fr));gap:2px}.longku-heat-label{letter-spacing:.06em;font-size:8px}.longku-heat-cell{border-radius:2px;font-size:8px}.longku-heat-wd{font-size:7px}.longku-heat-dn{font-size:9px}}.longku-practice-tag{font:inherit;letter-spacing:.1em;text-transform:uppercase;border:1px dashed var(--lg-tier-core);color:var(--lg-tier-core);cursor:pointer;white-space:nowrap;background:0 0;border-radius:999px;flex:none;padding:3px 8px;font-size:10px}.longku-practice-tag:hover{border-style:solid}.longku-cell-dot{background:var(--lg-seal);width:8px;height:8px;box-shadow:0 0 0 2px var(--lg-bg);pointer-events:none;z-index:2;border-radius:50%;position:absolute;top:-3px;right:-3px}@media (prefers-reduced-motion:reduce){.longku-cell-pop,.longku-cell-pop:before,.longku-cell-pop>*,.longku-cell:hover .longku-cell-pop>*{transition:none!important}}.longku-wall-order{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:14px;display:flex}.longku-wall-order-label{letter-spacing:.12em;text-transform:uppercase;color:var(--lg-ink-faint);margin-right:4px;font-size:10px}.longku-wall-order-btn{font:inherit;border:1px solid var(--lg-rule-strong);color:var(--lg-ink-soft);cursor:pointer;white-space:nowrap;background:0 0;border-radius:999px;padding:4px 11px;font-size:12px}.longku-wall-order-btn:hover{border-color:var(--lg-accent)}.longku-wall-order-btn.is-on{border-color:var(--lg-accent);background:var(--lg-accent-soft);color:var(--lg-ink)}.longku-arrive-note{text-transform:none;letter-spacing:0;color:var(--lg-warn);font-size:12px}.longku-arrive-words{flex-wrap:wrap;gap:6px 10px;display:flex}.longku-arrive-word{color:var(--lg-ink-soft);font-size:18px}.longku-top-list{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.longku-top-item{border-radius:4px;grid-template-columns:auto auto auto 1fr auto;grid-template-areas:"word tier pinyin leads add""gloss gloss gloss gloss add";align-items:baseline;gap:2px 10px;padding:7px 9px;display:grid}.longku-top-item:nth-child(odd){background:var(--lg-sunken)}.longku-top-word{color:var(--lg-ink);grid-area:word;font-size:20px}.longku-top-item .longku-pill{grid-area:tier;align-self:center}.longku-top-pinyin{color:var(--lg-ink-soft);grid-area:pinyin;font-size:12px;font-style:italic}.longku-top-leads{color:var(--lg-ink-faint);white-space:nowrap;grid-area:leads;justify-self:end;font-size:11px}.longku-top-leads.is-on{color:var(--lg-success)}.longku-top-gloss{color:var(--lg-ink-faint);grid-area:gloss;font-size:12px}.longku-top-add{font:inherit;border:1px dashed var(--lg-rule-strong);width:28px;height:28px;color:var(--lg-ink-soft);cursor:pointer;background:0 0;border-radius:999px;grid-area:add;align-self:center;font-size:16px;line-height:1}.longku-top-add:hover{border-style:solid;border-color:var(--lg-accent);color:var(--lg-accent)}@media (max-width:720px){.longku-top-item{grid-template-columns:auto 1fr auto;grid-template-areas:"word tier add""pinyin leads add""gloss gloss gloss"}.longku-top-item .longku-pill{justify-self:start}}.longku-chain-next.is-armed,.longku-peek-word.is-new.is-armed{border-style:solid;border-color:var(--lg-accent);background:var(--lg-accent-soft);color:var(--lg-ink)}.longku-arm{letter-spacing:.12em;text-transform:uppercase;background:var(--lg-accent);color:var(--lg-on-accent);border-radius:999px;padding:2px 6px;font-size:9px;line-height:1.2}.longku-modal-n{color:var(--lg-accent);font-weight:600}@media (hover:none){.longku-cell:active{transform:none}}@media (max-width:720px){.longku{-webkit-tap-highlight-color:#4a5d8c29}.longku-rail-right{display:contents}.longku-rail{gap:8px 10px;padding:8px 12px}.longku-title{order:1;gap:6px;font-size:20px}.longku-title .latin{display:none}.longku-figures{order:2;gap:11px;margin-left:0;padding:7px 6px}.longku-figure-n{font-size:15px}.longku-figure-label{letter-spacing:.1em;font-size:9px}.longku-rail .longku-icon-btn{order:4}.longku-rail .longku-rail-addbtn{order:3;margin-left:auto;display:inline-flex}.longku-home{order:5}.longku-home-label{display:none}.longku-home{border:1px solid var(--lg-rule-strong);letter-spacing:0;width:38px;height:38px;color:var(--lg-ink-soft);border-radius:999px;justify-content:center;font-size:15px}.longku-switch{flex:100%;order:6;width:100%;display:flex}.longku-switch button{flex:1;padding:11px 4px;font-size:11px}.longku-rail-add{order:7;display:none}.longku-rail-add.is-open{flex:100%;min-width:0;display:block}.longku-progress-strip{flex-wrap:nowrap;align-items:flex-start;gap:12px;margin-bottom:12px;padding-bottom:10px}.longku-strip-lead{padding-top:2px}.longku-strip-pct{font-size:21px}.longku-strip-lead-label{letter-spacing:.08em;font-size:9px}.longku-strip-playability{letter-spacing:.08em;margin-top:3px;font-size:9px}.longku-strip-playability-n{font-size:11px}.longku-strip-tiers{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 12px;min-width:0}.longku-strip-tier-head{gap:4px;min-width:0;margin-bottom:2px}.longku-strip-tier-label{letter-spacing:.06em;text-overflow:ellipsis;white-space:nowrap;font-size:9px;overflow:hidden}.longku-strip-tier-n{font-size:10px}.longku-strip-track{height:3px}.longku-dock{padding:9px 12px calc(9px + env(safe-area-inset-bottom))}.longku-dock-inner{gap:7px 9px}.longku-dock-inner>.longku-dock-label{display:none}.longku-play-prompt{order:1}.longku-sweep{flex:90px;order:2;min-width:90px}.longku-dock-controls{flex-wrap:wrap;order:3;margin-left:auto}.longku-play-input-row{flex:100%;order:4;gap:7px;width:100%}.longku-play-input-row .longku-input{padding:9px 11px;font-size:19px}.longku-play-prompt strong{font-size:18px}.longku-chain-log{max-height:min(17vh,112px);margin-bottom:7px}.longku-chain-row{gap:7px;padding:3px 4px}.longku-chain-row:not(.is-live) .longku-chain-word{font-size:15px}.longku-play-empty{font-size:13px}.longku-play-done{gap:8px}.longku-peek{overscroll-behavior:contain;max-height:30vh;overflow-y:auto}.longku-input,.longku-add-input,.longku-words-filter{font-size:16px}.longku-btn{min-height:40px;padding:10px 14px}.longku-icon-btn{width:38px;height:38px;font-size:15px}.longku-peek-word{min-height:36px;padding:4px 10px}.longku-chain-next{min-height:30px;padding:4px 9px}.longku-chain-row:not(.is-live) .longku-chain-next{min-height:28px}.longku-words-syl{padding:5px 8px}.longku-bucket-drop{padding:6px 8px;font-size:14px}.longku-modal-overlay{align-items:flex-end;padding:0}.longku-modal{width:100%;max-width:none;max-height:88dvh;padding:16px 16px calc(20px + env(safe-area-inset-bottom));overscroll-behavior:contain;border-width:1px 0 0;border-radius:12px 12px 0 0;animation:.24s cubic-bezier(.16,1,.3,1) both longku-sheet-up}.longku-modal-head{flex-wrap:wrap;row-gap:8px;margin-bottom:12px}.longku-modal-syllable{font-size:26px}.longku-modal-close{margin:-4px -10px -4px 0;padding:4px 10px;font-size:22px}.longku-modal-section{margin-top:16px}.longku-bucket-item{gap:6px 9px;padding:8px}.longku-bucket-stats{gap:9px;width:100%;margin-left:0}.longku-bucket-stat.is-since{display:none}.longku-chip{padding:8px 12px}.longku-stats{flex-wrap:wrap;align-items:baseline;gap:4px 14px;display:flex}.longku-stat{align-items:baseline;gap:5px;display:inline-flex}.longku-stat-label{letter-spacing:.1em;font-size:9px}.longku-stat-value{margin-top:0;font-size:15px}.longku-stat-sub{display:none}.longku-sheet-fig{grid-template-columns:repeat(2,1fr);gap:12px}.longku-sheet-fig .longku-stat-label{font-size:9px}.longku-sheet-fig .longku-stat-value{margin-top:2px;font-size:22px}.longku-sheet-fig .longku-stat-sub{display:block}.longku-chain-canvas{height:max(240px, calc(100dvh - var(--lg-top-h,97px) - var(--lg-dock-h,240px) - 150px));min-height:240px}.longku-learn-grid{grid-template-columns:1fr;gap:10px}.longku-coverage-pct{font-size:32px}}@keyframes longku-sheet-up{0%{transform:translateY(14px)}to{transform:none}}@media (max-width:560px){.longku-words-head{gap:8px;margin-bottom:10px}.longku-words-filter{flex:100%;max-width:none}.longku-words-row{grid-template-columns:minmax(0,1fr) auto auto 28px;grid-template-areas:"word due strength drop""links links links links";gap:5px 9px;padding:8px}.longku-words-td.col-word{grid-area:word}.longku-words-td.col-due{grid-area:due}.longku-words-td.col-strength{grid-area:strength}.longku-words-td.col-drop{grid-area:drop}.longku-words-td.col-links{grid-area:links}.longku-words-td.col-recalls,.longku-words-td.col-misses,.longku-words-td.col-added{display:none}.longku-words-row.is-head{flex-wrap:wrap;gap:10px 14px;padding:0 2px 8px;display:flex}.longku-words-th.col-misses,.longku-words-th.col-added,.longku-words-th.col-links,.longku-words-th.col-recalls{display:inline}.longku-words-w{font-size:17px}}@media (prefers-reduced-motion:reduce){.longku-modal{animation:none}}@media (max-width:360px){.longku-rail{gap:8px 6px;padding:8px 10px}.longku-title{font-size:18px}.longku-figures{gap:8px;padding:4px}.longku-figure-n{font-size:14px}.longku-figure-label{letter-spacing:.08em;font-size:8px}.longku-rail .longku-icon-btn,.longku-home{width:34px;height:34px}.longku-switch button{letter-spacing:.06em;padding:9px 2px;font-size:10px}.longku-strip-lead-label{display:none}.longku-strip-playability{white-space:normal;letter-spacing:.04em;text-align:left;font-size:8px;line-height:1.25}.longku-strip-playability-n{display:block}.longku-canvas{padding-left:10px;padding-right:10px}.longku-cell{min-width:52px;padding:7px 7px 8px}}@media (max-height:560px){.longku-chain-log{max-height:min(24vh,86px);margin-bottom:6px}.longku-dock{padding-top:8px}.longku-dock-inner{gap:6px 10px}.longku-progress-strip{margin-bottom:10px;padding-bottom:8px}.longku-strip-pct{font-size:20px}.longku-peek{overscroll-behavior:contain;max-height:40vh;overflow-y:auto}.longku-modal{max-height:94dvh}}.longku-toast{z-index:90;top:calc(var(--lg-top-h,60px) + 14px);background:var(--lg-surface);border:1px solid var(--lg-rule-strong);transform-origin:100% 0;border-radius:10px;flex-direction:column;gap:8px;width:min(340px,100vw - 24px);padding:12px 14px 13px;animation:.42s cubic-bezier(.34,1.56,.64,1) both longku-toast-in;display:flex;position:fixed;right:18px;box-shadow:0 14px 38px #0000002e,0 2px 6px #00000014}.longku-toast.is-leaving{animation:.22s ease-in both longku-toast-out}.longku-toast.is-unlock{border-color:color-mix(in srgb, var(--lg-success) 55%, var(--lg-rule-strong))}@keyframes longku-toast-in{0%{opacity:0;transform:translateY(-10px)scale(.9)}to{opacity:1;transform:none}}@keyframes longku-toast-out{to{opacity:0;transform:translateY(-6px)scale(.97)}}.longku-toast-head{align-items:center;gap:8px;min-width:0;display:flex}.longku-toast-spark{color:var(--lg-tier-core);font-size:13px;animation:1.1s ease-out .15s both longku-toast-spark}@keyframes longku-toast-spark{0%{opacity:0;transform:scale(0)rotate(-90deg)}55%{opacity:1;transform:scale(1.35)rotate(15deg)}to{transform:none}}.longku-toast-word{color:var(--lg-ink);white-space:nowrap;font-size:22px}.longku-toast-more{color:var(--lg-ink-faint);font-size:11px}.longku-toast-close{font:inherit;color:var(--lg-ink-faint);cursor:pointer;background:0 0;border:0;margin-left:auto;padding:2px 4px;font-size:12px}.longku-toast-close:hover{color:var(--lg-ink)}.longku-toast-stats{flex-direction:column;gap:3px;display:flex}.longku-toast-stat{color:var(--lg-ink-soft);grid-template-columns:1fr auto auto auto auto;align-items:baseline;gap:6px;font-size:12px;display:grid}.longku-toast-label{letter-spacing:.12em;text-transform:uppercase;color:var(--lg-ink-faint);font-size:10px}.longku-toast-from{color:var(--lg-ink-faint)}.longku-toast-arrow{color:var(--lg-ink-faint);font-size:10px}.longku-toast-to{color:var(--lg-ink)}.longku-toast-delta{color:var(--lg-success);background:color-mix(in srgb, var(--lg-success) 14%, transparent);border-radius:999px;padding:1px 6px;font-size:11px;font-weight:600}.longku-toast-stat.is-headline .longku-toast-to{color:var(--lg-accent);font-size:14px}.longku-toast-same{color:var(--lg-ink-faint);grid-column:2/-1;font-size:11px}.longku-toast-seal{background:var(--lg-success);width:30px;height:30px;color:var(--lg-on-accent);box-shadow:0 0 0 2px var(--lg-surface), 0 4px 10px #0000002e;border-radius:5px;justify-content:center;align-items:center;font-size:17px;line-height:1;animation:.5s cubic-bezier(.2,1.4,.4,1) .25s both longku-seal;display:flex;position:absolute;top:-12px;left:-12px}@keyframes longku-seal{0%{opacity:0;transform:scale(1.9)rotate(-24deg)}60%{opacity:1;transform:scale(.92)rotate(-6deg)}to{opacity:1;transform:rotate(-8deg)}}.longku-toast-unlock{background:color-mix(in srgb, var(--lg-success) 10%, transparent);border:1px dashed color-mix(in srgb, var(--lg-success) 45%, transparent);border-radius:7px;padding:8px 10px}.longku-toast-unlock-head{letter-spacing:.14em;text-transform:uppercase;color:var(--lg-success);font-size:10px}.longku-toast-unlock-head strong{letter-spacing:.02em;text-transform:none;margin-left:4px;font-size:18px;font-style:italic;font-weight:400}.longku-toast-unlock-body{color:var(--lg-ink-soft);margin-top:2px;font-size:12px}.longku-toast-unlock-body b{color:var(--lg-ink)}.longku-toast-arriving{flex-wrap:wrap;gap:2px 10px;margin-top:4px;display:flex}.longku-toast-arriving span{color:var(--lg-ink);font-size:16px}.longku-toast-onward{color:var(--lg-ink-faint);font-size:11px}.longku-toast-onward.is-on{color:var(--lg-success)}@media (max-width:720px){.longku-toast{width:auto;left:12px;right:12px;top:calc(var(--lg-top-h,97px) + 10px)}}@media (prefers-reduced-motion:reduce){.longku-toast,.longku-toast.is-leaving,.longku-toast-spark,.longku-toast-seal{animation:none}.longku-toast-seal{transform:rotate(-8deg)}}