/* Hallmark: scope app; shape app screen; theme project-defined; signature symbol library with text composition; system fonts for traditional-Chinese operations. */
/* Critique: task-first layout; no decorative hero; rendered verification pending. */
:root{--paper:#fff;--canvas:#f7f8f5;--soft:#eef3ed;--ink:#23362c;--muted:#5b6a60;--accent:#17634b;--accent-hover:#104c39;--line:#d9e1d8;--error:#a52a2a;--focus:#147b59;--disabled:#e8ece7;--transparent:transparent;--shadow:0 8px 28px #20372c14;--font:system-ui,-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif;--glyph:"Apple Symbols","Segoe UI Symbol","Noto Sans Symbols 2",sans-serif;--code:ui-monospace,monospace;--radius:12px;--space:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--font)}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea,summary{touch-action:manipulation}button,a{-webkit-tap-highlight-color:var(--transparent)}button{cursor:pointer;background:var(--paper);border:1px solid var(--line);border-radius:8px;min-height:44px;padding:8px 14px;transition:background-color .15s,color .15s}button:hover{background:var(--soft);border-color:var(--muted)}button:active{transform:translateY(1px)}button:disabled{background:var(--disabled);color:var(--muted);cursor:not-allowed;border-color:var(--line);transform:none}button[aria-busy=true]{cursor:progress}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}::selection{background:var(--accent);color:var(--paper)}input,textarea{caret-color:var(--accent)}[hidden]{display:none!important}.wrap{width:calc(100% - 64px);max-width:1240px;margin-inline:auto}.topbar{display:flex;justify-content:space-between;align-items:center;min-height:88px;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:750;text-decoration:none;color:var(--ink)}.brand svg{width:32px;height:32px;color:var(--accent)}.topbar nav{display:flex;gap:30px}.topbar nav a{padding:12px 0;min-height:44px;color:var(--muted);text-decoration:none;font-size:15px}.topbar nav a[aria-current]{color:var(--accent);font-weight:650}.intro{padding:42px 0 30px}.intro h1{font-size:36px;line-height:1.35;letter-spacing:-.025em;margin:0 0 10px;font-weight:720;overflow-wrap:break-word;min-width:0}.intro p{color:var(--muted);margin:0;font-size:17px}.breadcrumb{display:flex;gap:12px;font-size:14px;margin-top:24px}.breadcrumb+.intro{padding-top:18px}.workspace{display:grid;grid-template-columns:200px minmax(0,1fr);gap:42px;align-items:start}.library{min-width:0;grid-column:2;grid-row:1}label{display:block;font-weight:600;font-size:15px;margin-bottom:8px}.search-field{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:var(--radius);padding:5px 12px;min-height:58px;background:var(--canvas)}.search-field:focus-within{outline:2px solid var(--focus);outline-offset:2px}.search-field svg{flex-shrink:0;color:var(--muted)}.search-field input{width:100%;min-width:0;background:var(--transparent);border:0;outline:none;min-height:44px}.search-field input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}.search-field button{border:0;background:var(--transparent);padding-inline:8px;white-space:nowrap}.category-nav{display:flex;flex-wrap:wrap;gap:8px;padding:20px 0 24px;border-bottom:1px solid var(--line)}.category-nav button{border:0;font-size:14px;min-height:38px;padding:7px 12px;border-radius:6px;color:var(--muted)}.category-nav button[aria-pressed=true]{background:var(--accent);color:var(--paper)}.library-meta{display:flex;align-items:center;gap:12px;margin-top:24px}.library-meta h2,.section-line h2{font-size:18px;margin:0}.library-meta>span{color:var(--muted);font-size:14px}.library-meta>button{margin-left:auto;font-size:14px;border:0}.library-meta>button[aria-pressed=true]{background:var(--soft);color:var(--accent)}.helper{font-size:14px;color:var(--muted);margin:2px 0 16px}.symbol-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;list-style:none;margin:0;padding:0}.symbol{border:1px solid var(--line);border-radius:var(--radius);min-width:0;transition:border-color .15s;background:var(--paper)}.symbol:hover{border-color:var(--accent)}.symbol-copy{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:100%;padding:13px 3px 9px;border:0;border-radius:var(--radius) var(--radius) 0 0;min-height:89px}.glyph{font:32px/1.2 var(--glyph);color:var(--ink)}.symbol-name{font-size:12px;line-height:1.4;color:var(--muted);word-break:break-word;padding:0 3px;min-height:16px}.symbol-actions{display:flex;border-top:1px solid var(--line)}.symbol-actions button{border:0;border-radius:0;min-height:36px;padding:3px;flex:1;font-size:11px;color:var(--muted);display:flex;justify-content:center;align-items:center}.symbol-actions button:first-child{border-radius:0 0 0 var(--radius)}.symbol-actions button:last-child{border-radius:0 0 var(--radius) 0}.symbol-actions svg{width:16px;height:16px}.more{margin-top:20px;width:100%;background:var(--canvas);color:var(--accent)}.composer{background:var(--canvas);border:1px solid var(--line);border-radius:12px;position:static;margin-top:20px}.composer summary{list-style:none;cursor:pointer;padding:22px 22px 18px;font-size:19px;font-weight:650}.composer summary::-webkit-details-marker{display:none}.composer summary span{display:block;font-weight:400;font-size:13px;color:var(--muted);margin-top:2px}.composer summary:after{content:'收起';font-size:12px;color:var(--muted);float:right;margin-top:-34px}.composer:not([open]) summary:after{content:'展開'}.composer-body{padding:0 22px 22px}textarea{resize:vertical;min-height:122px;width:100%;max-width:100%;border:1px solid var(--line);border-radius:8px;padding:12px;background:var(--paper);font-size:16px;line-height:1.6}.section-line{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.section-line small{color:var(--muted);margin-right:auto;font-size:12px}.section-line button{font-size:12px;padding:4px 7px;border:0;background:var(--transparent)}.mode-controls{padding-top:18px}.mode-controls>div{margin-bottom:12px}.select-wrap{position:relative}.select-wrap:after{content:'';position:absolute;right:17px;top:19px;width:7px;height:7px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);pointer-events:none}select{appearance:none;width:100%;min-height:48px;padding:9px 44px 9px 12px;border:1px solid var(--line);border-radius:8px;background:var(--paper);font-size:16px}input[type=number]{min-height:48px;border:1px solid var(--line);border-radius:8px;padding:8px 12px;width:100%;background:var(--paper)}.preview-heading{font-size:13px;font-weight:600;margin-top:20px}.output{font:16px/1.7 var(--font);white-space:pre-wrap;overflow-wrap:anywhere;margin:8px 0 16px;min-height:78px;max-height:240px;overflow:auto;color:var(--muted);padding:0 2px}.output.has-content{color:var(--ink)}.primary{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--accent);color:var(--paper);border:1px solid var(--accent);min-height:48px;border-radius:8px;text-decoration:none;padding:10px 20px;font-weight:600}.primary:hover:not(:disabled){background:var(--accent-hover);color:var(--paper)}#copy-output{width:100%}.privacy-note{font-size:12px;color:var(--muted);line-height:1.7;margin:12px 0 0}.error{font-size:14px;color:var(--error)}.recent-section{margin-top:28px;padding-top:20px;border-top:1px solid var(--line)}.recent-section .section-line{justify-content:space-between}#recent{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}#recent button{font:26px var(--glyph);min-width:44px}#recent p{margin:0;font-size:14px}.detail{margin-top:24px;padding:22px;background:var(--soft);border-radius:var(--radius)}.detail .section-line{justify-content:space-between}.detail-glyph{font:48px var(--glyph);margin:12px 0}.detail code{font:13px var(--code);overflow-wrap:anywhere}.detail p{font-size:15px}.detail .detail-glyph{font-size:48px}.muted{color:var(--muted)}.empty{padding:40px 16px;background:var(--canvas);text-align:center}.empty h3{font-size:19px}.empty p{color:var(--muted)}.manual{margin-top:32px;padding:24px;background:var(--soft);border-radius:var(--radius)}.manual h2{font-size:20px}.manual button{margin:8px 8px 0 0}.ad-slot{margin-top:40px;padding:24px;border:1px solid var(--line);overflow-wrap:anywhere}.ad-slot small{color:var(--muted)}.guide{border-top:1px solid var(--line);margin-top:56px;padding-top:32px;max-width:850px}.guide>h2,.explore h2{font-size:23px;margin:0 0 24px}.guide-row{display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;padding:18px 0}.guide-row h3{font-size:16px;margin:0}.guide-row p{margin:0;color:var(--muted);font-size:15px}.guide>.muted{font-size:14px;margin-top:24px}.explore{margin:42px 0 48px}.explore nav{display:flex;flex-wrap:wrap;gap:10px 24px}.explore a{min-height:44px;display:flex;align-items:center}.footer{border-top:1px solid var(--line);padding-top:28px;padding-bottom:36px;display:flex;gap:22px;align-items:center;flex-wrap:wrap}.wordmark{font-weight:700;text-decoration:none}.footer p{color:var(--muted);font-size:13px;margin:0}.footer nav{display:flex;gap:20px;margin-left:auto;flex-wrap:wrap}.footer nav a,.footer small{font-size:12px;color:var(--muted)}.footer small{flex-basis:100%}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:10px 20px;border-radius:9px;font-size:14px;z-index:10;max-width:calc(100% - 24px);box-shadow:var(--shadow);pointer-events:none}.toast:empty{display:none}.skip{position:fixed;top:8px;left:8px;transform:translateY(-150%);z-index:20;background:var(--paper);padding:10px}.skip:focus{transform:none}.prose{max-width:780px;padding-top:40px;padding-bottom:60px}.prose h1{font-size:32px}.prose h2{font-size:21px;margin-top:32px}.prose p{color:var(--muted)}
@media(min-width:1450px){.symbol-copy{min-height:100px}.glyph{font-size:36px}}
@media(max-width:1050px){.workspace{gap:24px;grid-template-columns:184px minmax(0,1fr)}.symbol-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.wrap{width:calc(100% - 40px)}}
@media(max-width:760px){.wrap{width:calc(100% - 32px)}.topbar{min-height:72px;gap:12px}.brand{font-size:20px;gap:6px}.brand svg{width:26px}.topbar nav{gap:16px}.topbar nav a{font-size:13px}.topbar nav a:last-child{display:none}.intro{padding:26px 0 24px}.intro h1{font-size:28px}.intro p{font-size:15px}.workspace{display:flex;flex-direction:column;gap:24px}.library{width:100%}.composer{position:static;width:100%;order:-1}.composer summary{padding:14px 18px;font-size:16px}.composer summary span{display:inline;font-size:12px;margin-left:12px}.composer summary:after{margin-top:0}.composer-body{padding:0 18px 18px}.category-nav{gap:5px;padding-top:14px;padding-bottom:18px}.category-nav button{min-height:44px;padding:7px 10px;font-size:13px}.symbol-grid{gap:8px;grid-template-columns:repeat(4,minmax(0,1fr))}.symbol-actions button{min-height:44px}.symbol-copy{min-height:86px}.glyph{font-size:30px}.symbol-name{font-size:11px}.library-meta{margin-top:18px}.library-meta h2{font-size:17px}.library-meta>span{font-size:12px}.library-meta>button{font-size:12px;padding-inline:6px}.guide{margin-top:36px}.guide-row{grid-template-columns:1fr;gap:8px;padding:16px 0}.guide>h2,.explore h2{font-size:21px}.footer{gap:12px}.footer nav{margin-left:0;flex-basis:100%;gap:16px}.manual{padding:18px}.composer summary span{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Category navigation stays beside the symbol library; composition is optional. */
.category-sidebar{grid-column:1;grid-row:1;position:sticky;top:24px;max-height:calc(100dvh - 48px);overflow:auto;scrollbar-width:thin;scrollbar-color:var(--line) var(--paper);border-right:1px solid var(--line);padding-right:20px;background:var(--paper)}
.category-sidebar h2{font-size:17px;margin:0 0 12px}.category-sidebar summary{display:none}.category-nav{display:flex;flex-direction:column;flex-wrap:nowrap;gap:4px;padding:0 4px 4px;border:0}.category-nav button{min-height:44px;text-align:left;padding:10px 12px;font-size:15px}
.composer summary{display:flex;align-items:center;flex-wrap:wrap;gap:8px 16px;padding:16px 20px;font-size:16px}.composer summary strong{font-weight:600}.composer summary span{display:block;margin:0;color:var(--muted);font-size:14px}.composer summary:after{float:none;margin:0 0 0 auto;font-weight:400}.composer-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 28px;padding:0 20px 20px}.composer-help{grid-column:1/-1;margin:0 0 20px;color:var(--muted);font-size:14px;max-width:70ch}.composer-input,.composer-result{min-width:0}.composer-result{border-left:1px solid var(--line);padding-left:24px}.composer-result .preview-heading{margin-top:0}.composer-result .output{min-height:122px}.composer-result .privacy-note{margin-bottom:0}.composer textarea{min-height:122px}.library-meta{scroll-margin-top:24px}#result-heading{scroll-margin-top:24px}
@media(max-width:760px){
 html{scroll-padding-top:84px}.workspace{gap:16px}.category-sidebar{width:100%;order:-1;top:8px;z-index:5;max-height:calc(100dvh - 16px);border:1px solid var(--line);padding:0;border-radius:8px;overflow:visible}.category-sidebar h2{display:none}.category-sidebar summary{display:flex;align-items:center;gap:12px;padding:12px 16px;font-size:15px;min-height:48px;cursor:pointer;list-style:none}.category-sidebar summary::-webkit-details-marker{display:none}.category-sidebar summary span{color:var(--accent);font-size:14px}.category-sidebar summary:after{content:'展開';margin-left:auto;font-size:12px;color:var(--muted)}.category-sidebar details[open]>summary:after{content:'收起'}.category-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));max-height:55dvh;overflow:auto;padding:4px 8px 8px;gap:4px;overscroll-behavior:contain}.category-nav button{font-size:14px;min-height:44px;padding:8px}.composer{margin-top:16px}.composer summary{padding:14px 16px;gap:4px 8px}.composer summary span{display:block;order:3;width:100%;margin:0;font-size:13px}.composer-body{grid-template-columns:1fr;padding:0 16px 16px;gap:0}.composer-help{font-size:13px}.composer-result{border-left:0;padding:16px 0 0;border-top:1px solid var(--line);margin-top:8px}.composer-result .output{min-height:78px}#result-heading{scroll-margin-top:84px}
}
/* Expanded library: direct save, nearby details, and continuous composition. */
.library-views{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px;border-bottom:1px solid var(--line);padding-bottom:12px}.library-views button{border:0;font-size:14px;min-height:44px}.library-views button[aria-pressed=true]{background:var(--soft);color:var(--accent);font-weight:650}.library-meta{margin-top:20px}.symbol{position:relative}.symbol-copy{padding-top:36px;min-height:120px}.symbol-favorite{position:absolute;top:2px;right:2px;width:32px;min-height:32px;padding:7px;border:0;background:var(--transparent);color:var(--muted);display:flex;align-items:center;justify-content:center}.symbol-favorite[aria-pressed=true]{color:var(--accent);background:var(--soft)}.symbol-favorite[aria-pressed=true] svg{fill:currentColor}.symbol-actions button[aria-expanded=true]{color:var(--accent);background:var(--soft)}.inline-detail{grid-column:1/-1;margin:0;list-style:none;padding:20px}.inline-detail .section-line h2{font-size:18px}.inline-detail .detail-glyph{margin:8px 0}.detail-buttons{display:flex;gap:8px;flex-wrap:wrap}.cross-scope{padding:16px;background:var(--soft);margin-bottom:16px;border-radius:8px}.cross-scope p{margin:0 0 10px;font-size:15px}.history-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.history-actions:has(button:not([hidden])){border-top:1px solid var(--line);padding-top:16px}.composition-tray{position:fixed;bottom:12px;left:50%;transform:translateX(-50%);z-index:8;display:flex;align-items:center;gap:12px;padding:8px 12px;background:var(--paper);border:1px solid var(--line);border-radius:12px;max-width:calc(100% - 24px);width:max-content}.composition-tray>span{color:var(--muted);font-size:13px}.composition-tray button{font-size:14px;white-space:nowrap;min-height:44px}.composition-tray .primary{padding:8px 14px}.has-draft{padding-bottom:84px}.has-draft .toast{bottom:90px}html{scroll-padding-bottom:90px}.category-sidebar{scrollbar-gutter:stable}.symbol-actions button{min-height:44px}
@media(max-width:760px){.library-views{gap:4px;margin-top:20px}.library-views button{padding:8px 10px;font-size:13px}.symbol-favorite{width:44px;min-height:44px;padding:12px}.symbol-copy{padding-top:44px;min-height:128px}.inline-detail{padding:16px}.composition-tray{gap:6px;padding:6px 8px;bottom:8px}.composition-tray>span{font-size:11px}.composition-tray button{font-size:12px;padding:8px}.composition-tray .primary{padding:8px}.category-sidebar{scrollbar-gutter:auto}}
@media(max-width:480px){.symbol-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.symbol-name{font-size:12px}.symbol-actions button{font-size:12px}}

/* Disclosure controls toggle content; only their labels should resist text selection. */
.composer > summary,.composer > summary *,.composer > summary::after,
.category-sidebar summary,.category-sidebar summary *,.category-sidebar summary::after{
 -webkit-user-select:none;
 user-select:none;
}