:root{--leaf: #f2f3f0;--leaf-lift: #fbfbf9;--ink: #191c1e;--ink-2: #454c50;--ink-3: #5f686d;--rule: rgba(25, 28, 30, .1);--rule-strong: rgba(25, 28, 30, .18);--punch: rgba(25, 28, 30, .22);--ok: #1f6b41;--ok-wash: rgba(47, 125, 79, .13);--warn: #8a5300;--warn-wash: rgba(242, 196, 0, .2);--errata: #ab2a21;--errata-wash: rgba(179, 49, 42, .11);--rail: 46px;--gutter: 10px;--measure: min(34rem, calc(100dvw - var(--rail) - 52px));--reading: 17px;--leading: 26px;--step: steps(2, end);--cut: 90ms}:root{--sec-home: #c9441a;--sec-history: #7c3f9e;--sec-words: #96690a;--sec-stats: #0d6b6b;--sec-settings: #2c4a90;--sec-review: #0d6b6b}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,sans-serif;background:#0f1113;color:var(--ink);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none}#app{min-height:100%}::selection{background:var(--punch);color:var(--ink)}:focus-visible{outline:2px solid var(--errata);outline-offset:2px}.shell{position:relative;min-height:100dvh;background:var(--board);overflow:hidden}.shell:after{content:"";position:absolute;inset:0;pointer-events:none}.board{position:relative;z-index:3;display:flex;align-items:center;min-height:22dvh;padding:calc(env(safe-area-inset-top,0px) + 12px) 18px 12px calc(var(--rail) + 12px);color:#fff}.board-measure{width:var(--measure)}.board-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px}.board-name{font-size:21px;font-weight:700;letter-spacing:.01em;line-height:1.2}.board-read{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;font-variant-numeric:tabular-nums;letter-spacing:.06em;color:#fff;padding:3px 7px;border:1px solid rgba(255,255,255,.8)}.board-note{margin-top:7px;font-size:12.5px;line-height:1.5;color:#fff;max-width:34ch}.board:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:#00000047}.leaf{position:relative;z-index:2;display:flex;flex-direction:column;background:var(--leaf);min-height:78dvh;border-top-left-radius:3px;box-shadow:0 -1px #00000029,0 2px 10px #00000021;padding:0 16px calc(env(safe-area-inset-bottom,0px) + 96px) calc(var(--rail) + 12px)}.leaf>.sheet{flex:1 0 auto}.leaf:before{content:"";position:absolute;top:18px;bottom:18px;left:9px;width:4px;background-image:radial-gradient(circle at 2px 2px,var(--punch) 2px,transparent 2.4px);background-size:4px 26px;background-repeat:repeat-y}.rail{position:fixed;z-index:4;top:22dvh;left:0;width:var(--rail);height:78dvh;display:flex;flex-direction:column;gap:5px;padding:5px 0 5px 5px}.tab{position:relative;display:flex;flex-direction:column;flex:0 1 calc(var(--tab-units, 10) * 1%);width:100%;overflow:hidden;border:0;padding:0;background:#0003;color:#ffffffe0;cursor:pointer;text-decoration:none;transition:flex-basis var(--cut) var(--step),background var(--cut) var(--step)}.tab.is-now{flex-basis:calc(var(--tab-units, 10) * 1.45 * 1%)}.tab-w{writing-mode:vertical-rl;display:flex;align-items:center;justify-content:center;flex:1 1 auto;min-height:0;padding:8px 0;font-size:12px;font-weight:700;letter-spacing:.16em;text-shadow:0 1px 0 rgba(0,0,0,.3)}.tab.is-now{background:var(--leaf);color:var(--ink);text-shadow:none;border-top-right-radius:3px;border-bottom-right-radius:3px;box-shadow:0 0 0 1px #00000024,1px 0 4px #00000024}.tab.is-now:after{content:"";position:absolute;left:50%;top:12px;width:6px;height:6px;margin-left:-3px;border-radius:50%;background:var(--punch)}.tab:hover:not(.is-now){background:#00000052}.sheet{max-width:var(--measure);margin:0 auto}.sheet-head{display:flex;align-items:center;gap:8px;padding:18px 0 10px}.sheet-head h2{margin:0;font-size:15px;font-weight:700;letter-spacing:.02em}.sheet-head .rule{flex:1;height:1px;background:var(--rule-strong)}.sheet-head .stamp{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;font-variant-numeric:tabular-nums;letter-spacing:.06em;color:var(--ink-3)}.prose{font-size:var(--reading);line-height:var(--leading);text-align:justify;text-justify:inter-ideograph;hanging-punctuation:allow-end;margin:0 0 var(--leading);word-break:break-word}.prose-en{text-align:left;text-justify:auto;hyphens:manual}.stack{border-top:1px solid var(--rule-strong)}.leafrow{position:relative;display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;padding:13px 12px 13px 14px;border:0;border-bottom:1px solid var(--rule);background:transparent;color:inherit;cursor:pointer;font:inherit}.leafrow:hover{background:#191c1e09}.leafrow:active{background:#191c1e12}.leafrow:before{content:"";position:absolute;left:2px;top:50%;width:6px;height:6px;margin-top:-3px;border-radius:50%;background:var(--punch)}.leafrow-main{flex:1;min-width:0}.leafrow-title{font-size:15.5px;font-weight:600;line-height:1.45}.leafrow-label{margin-top:4px;font-size:12.5px;line-height:1.5;color:var(--ink-2)}.leafrow-meta{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;font-variant-numeric:tabular-nums;letter-spacing:.04em;color:var(--ink-3);white-space:nowrap;padding-top:2px}.errata-mark{display:inline-block;margin-left:6px;padding:0 5px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10px;letter-spacing:.08em;color:var(--errata);border:1px solid var(--errata);transform:rotate(-1.5deg)}.btn{display:block;width:100%;min-height:48px;padding:13px 16px;border:1px solid var(--ink);background:var(--leaf-lift);color:var(--ink);font:inherit;font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;transition:background var(--cut) var(--step),color var(--cut) var(--step)}.btn-flat{border:1px solid var(--errata);background:transparent;color:var(--errata)}.btn-go{border-color:transparent;background:var(--board);color:#fff}.btn-go:hover:not(:disabled){filter:brightness(1.08)}.btn:disabled,.btn[aria-disabled=true]{background-color:transparent;background-image:repeating-linear-gradient(135deg,transparent 0 5px,rgba(25,28,30,.055) 5px 10px);border-style:dashed;border-color:var(--rule-strong);color:var(--ink-3);cursor:not-allowed}.act-bar{position:fixed;left:0;right:0;bottom:0;z-index:6;padding:10px 16px calc(env(safe-area-inset-bottom,0px) + 12px) calc(var(--rail) + 12px);background:var(--leaf);border-top:1px solid var(--rule-strong)}.act-bar:before{content:"";position:absolute;left:0;right:0;bottom:100%;height:22px;pointer-events:none;background:linear-gradient(to bottom,rgba(242,243,240,0),var(--leaf))}.slab{display:block;width:100%;padding:11px 12px;border:1px solid var(--rule-strong);border-radius:0;background:var(--leaf-lift);color:var(--ink);font:inherit;font-size:15px;line-height:1.6}.slab::placeholder{color:var(--ink-3)}.slab:focus{outline:none;border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}textarea.slab{resize:vertical;min-height:108px}.field-lab{display:block;margin:14px 0 6px;font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--ink-2)}.seg{display:flex;border:1px solid var(--rule-strong);background:var(--leaf-lift)}.seg button{flex:1;min-height:44px;border:0;border-left:1px solid var(--rule-strong);background:transparent;color:var(--ink-2);font:inherit;font-size:14px;font-weight:600;cursor:pointer}.seg button:first-child{border-left:0}.seg button[aria-pressed=true]{background:var(--ink);color:var(--leaf)}.wd-word{cursor:pointer;background:transparent;transition:background var(--cut) var(--step)}.wordroll{display:flex;flex-wrap:wrap;gap:6px 8px;line-height:2}.wd-word.hl{background:var(--warn-wash);border-bottom:1px solid var(--errata);font-weight:600}.wd-word:not(.hl){border-bottom:1px solid transparent}.wd-word:not(.hl):hover,.wd-word:not(.hl):focus-visible{border-bottom-color:#ab2a2173}.wd-word:active{background:var(--punch)}.punchline{display:flex;align-items:center;gap:10px;padding:10px 0 4px}.punchline .count{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;font-variant-numeric:tabular-nums;letter-spacing:.06em;color:var(--ink-2)}.punchline .rule{flex:1;height:1px;background:var(--rule-strong)}.empty{padding:42px 2px 30px;color:var(--ink-2);font-size:14px;line-height:1.8}.empty strong{display:block;color:var(--ink);font-size:15px;margin-bottom:6px}.loading-line{display:flex;align-items:center;gap:9px;padding:14px 0;color:var(--ink-2);font-size:13.5px}.printing i{display:inline-block;width:7px;height:13px;background:var(--ink);animation:print-blink 1s var(--step) infinite}@keyframes print-blink{0%,49%{opacity:1}50%,to{opacity:0}}@media(prefers-reduced-motion:reduce){*{transition-duration:0ms!important;animation-duration:0ms!important}.printing i{animation:none;opacity:1}}.slips{position:fixed;z-index:40;left:50%;bottom:calc(env(safe-area-inset-bottom,0px) + 74px);transform:translate(-50%);width:min(23rem,calc(100vw - 2.5rem));display:flex;flex-direction:column;gap:6px;pointer-events:none}.slip{padding:11px 13px;background:var(--leaf-lift);border:1px solid var(--ink);font-size:13.5px;line-height:1.5;box-shadow:0 3px #00000029;animation:slip-land var(--cut) var(--step) 1}.slip.ok{border-color:var(--ok);color:var(--ok)}.slip.err{border-color:var(--errata);color:var(--errata)}@keyframes slip-land{0%{transform:translateY(-8px);opacity:0}to{transform:translateY(0);opacity:1}}.confirm-veil{position:fixed;inset:0;z-index:50;display:flex;align-items:flex-end;background:#0f111380}.confirm{width:100%;background:#fbfbf9f0;padding:20px 18px calc(env(safe-area-inset-bottom,0px) + 18px);border-top:1px solid var(--ink);animation:slip-land var(--cut) var(--step) 1}.confirm h3{margin:0 0 8px;font-size:16px}.confirm p{margin:0 0 18px;font-size:14px;line-height:1.6;color:var(--ink-2)}.confirm-btns{display:flex;gap:10px}.dict-veil{position:fixed;inset:0;z-index:45;display:flex;align-items:flex-end;background:#0f11136b}.dict{width:100%;max-height:68dvh;overflow-y:auto;background:#fbfbf9ed;backdrop-filter:blur(2px) saturate(1.02);border-top:1px solid var(--ink);padding:18px 18px calc(env(safe-area-inset-bottom,0px) + 22px) calc(var(--rail) + 4px);animation:slip-land var(--cut) var(--step) 1}.dict-word{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.dict-word b{font-size:25px;font-weight:700}.dict-phonetic{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;color:var(--ink-2)}.dict-pos{display:inline-block;margin-top:9px;padding:1px 6px;font-size:11.5px;color:var(--ink);border:1px solid var(--rule-strong)}.dict-mean{margin-top:12px;font-size:16px;line-height:1.75}.dict-mean .tag{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10.5px;letter-spacing:.08em;color:var(--ink-3);margin-right:6px}.dict-ex{margin-top:16px;padding:11px 13px;background:var(--warn-wash);font-size:14.5px;line-height:1.8;color:var(--ink)}.dict-ex b{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:10.5px;letter-spacing:.08em;color:var(--ink-3);font-weight:400;margin-bottom:5px}.speak{min-height:44px;padding:0 12px;border:1px solid var(--ink);background:var(--leaf-lift);color:var(--ink);font:inherit;font-size:12px;letter-spacing:.06em;cursor:pointer}.speak:hover{background:var(--warn-wash)}.ex-zh{margin-top:8px;padding-top:8px;border-top:1px dashed var(--rule-strong);font-size:13.5px;line-height:1.7;color:var(--ink-2)}