:root{--bg:#f0f1e9;--paper:#fffef9;--ink:#273d35;--muted:#657267;--green:#25483d;--line:#d6ddce;--soft:#e5ebdb;--rust:#985336;--serif:'Songti SC','STSong',serif;--sans:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}
.catalog-tools{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap;margin:0 0 18px}.catalog-tools label{margin:0;flex:1;min-width:150px;font-size:12px;color:var(--muted)}.catalog-tools label:first-child{flex:2;min-width:210px}.catalog-tools input,.catalog-tools select{display:block;width:100%;min-height:45px;border:1px solid #bac6b5;background:var(--paper);color:var(--ink);font:inherit;font-size:14px;padding:10px 12px;border-radius:3px;margin-top:7px}.catalog-summary{font-size:12px;color:var(--muted);margin:0 0 18px}.category-label{display:block;font-size:12px;color:var(--rust);margin-bottom:9px}.pagination{display:flex;justify-content:center;align-items:center;gap:20px;margin:28px 0 4px;font-size:13px;color:var(--muted)}.pagination button:disabled{cursor:default}.library-card h2,.archive-card h2,.letter-paper h2{overflow-wrap:anywhere}#history-body{white-space:pre-wrap;font-size:20px;color:var(--ink)}@media(max-width:760px){.catalog-tools{gap:12px}.catalog-tools label:first-child{flex-basis:100%}.catalog-tools label{min-width:125px}.pagination{gap:12px}.pagination .button{font-size:13px;padding:10px 13px}.side-bottom nav a{font-size:11px}}
*{box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.75}button,input,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;color:inherit}button:disabled{cursor:wait;opacity:.55}a{color:inherit;text-underline-offset:4px}h1,h2,h3,p{margin-top:0}:focus-visible{outline:3px solid #b0774e;outline-offset:4px}.skip-link{position:absolute;z-index:100;left:20px;top:-100px;background:white;padding:12px}.skip-link:focus{top:12px}.sidebar{position:fixed;inset:0 auto 0 0;width:240px;background:var(--green);color:#f4f3e9;padding:40px 25px;display:flex;flex-direction:column;z-index:10}.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-size:25px;text-decoration:none;line-height:1.5}.brand-mark{border:1px solid #c2d2b7;padding:3px 8px;font-size:24px}.brand small{display:block;font-family:var(--sans);font-size:9px;letter-spacing:.06em;margin-top:5px;color:#d2dfc8}.nav-caption{font-size:12px;color:#c7d5c1;letter-spacing:.1em;margin:50px 12px 14px}.sidebar nav{display:grid;gap:8px}.sidebar nav a{padding:12px 14px;display:flex;gap:14px;align-items:center;font-size:15px;text-decoration:none;border-radius:3px}.sidebar nav a:hover{background:#ffffff0d}.sidebar nav a[aria-current=page]{background:#e1e8d6;color:#284639}.nav-end{margin-left:auto;font-size:12px;opacity:.7}.side-bottom{margin-top:auto;padding-top:40px}.side-quote{font-family:var(--serif);font-size:18px;line-height:1.9;color:#d7e0cc;margin:0 14px 32px}.side-bottom nav a{font-size:14px}.edition{display:block;border-top:1px solid #567165;margin:24px 14px 0;padding-top:18px;font-size:12px;color:#c2d0be}.workspace{margin-left:240px;min-height:100vh}.topbar{height:77px;padding:0 48px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);font-size:14px}.mode-label{color:var(--muted);font-size:12px;letter-spacing:.06em}main{max-width:1230px;margin:auto;padding:44px 48px 28px;min-height:calc(100vh - 160px)}.page-footer{max-width:1230px;margin:auto;padding:22px 48px 30px;display:flex;justify-content:space-between;gap:14px;color:var(--muted);font-size:12px}.page-footer a{text-decoration:none}.eyebrow{font-size:12px;letter-spacing:.11em;color:var(--rust);margin:0 0 8px}.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:22px;margin-bottom:28px}h1{font-family:var(--serif);font-size:30px;font-weight:500;line-height:1.4;margin:0 0 9px}.page-subtitle{font-size:14px;color:var(--muted);margin:0}.daily-meta{text-align:right;font-size:12px;color:var(--muted)}.daily-meta b{display:block;font-weight:400;letter-spacing:.12em;margin-bottom:4px}.text-button{border:0;background:none;color:var(--muted);font-size:14px;text-decoration:underline;text-underline-offset:4px;padding:4px 0}.inbox-layout{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:28px;align-items:start}.letter-paper{border:1px solid var(--line);background:var(--paper);padding:34px 40px 30px;box-shadow:0 8px 24px #20352805}.letter-top{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line);padding-bottom:22px}.sender{font-size:14px}.sender small{display:block;color:var(--muted);font-size:12px;margin-top:3px}.letter-number{font-family:var(--serif);font-size:33px;color:var(--rust);font-weight:400;line-height:1.1}.letter-number small{display:block;font-family:var(--sans);font-size:10px;letter-spacing:.12em;text-align:center;margin-bottom:6px}.letter-paper h2{font-family:var(--serif);font-size:30px;font-weight:500;line-height:1.4;margin:30px 0 22px}.letter-text{font-family:var(--serif);font-size:22px;line-height:2.08;letter-spacing:.01em;white-space:pre-wrap}.letter-signature{text-align:right;font-family:var(--serif);font-size:16px;color:var(--muted);margin:25px 0 32px}.letter-actions{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-top:23px;border-top:1px solid var(--line)}.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:45px;padding:10px 18px;border:1px solid transparent;border-radius:3px;font-size:14px;line-height:1.5;text-decoration:none}.primary{background:var(--green);color:var(--paper)}.primary:hover{background:#173b2e}.secondary{background:transparent;border-color:#bac6b5}.secondary:hover{background:var(--soft)}.danger{background:#893e2a;color:white}.quiet-actions{display:flex;gap:20px;align-items:center}.desk-note{padding:4px 0 22px;border-bottom:1px solid var(--line);margin-bottom:24px}.desk-note h3{font-size:14px;font-weight:500;margin:0 0 12px}.desk-note p{font-size:14px;line-height:1.9;color:var(--muted);margin:0}.tag{font-size:12px;display:inline-block;border:1px solid var(--line);padding:3px 8px;margin-bottom:12px}.hint-label{color:var(--rust);font-size:12px;letter-spacing:.08em;margin-bottom:12px}.welcome-note{padding:15px 18px;border:1px solid var(--line);background:#e8edde;font-size:13px;color:var(--muted);display:flex;align-items:flex-start;gap:14px;margin-bottom:24px}.welcome-note p{margin:0;flex:1}.welcome-note button{border:0;background:none;font-size:20px;line-height:1.3;padding:0 4px}.receipt{margin-top:20px;background:#e5ebdb;border-left:3px solid var(--green);padding:18px 22px}.receipt h3{font-size:14px;margin:0 0 8px}.receipt p{font-size:14px;color:#526452;margin:0}.receipt small{display:block;font-size:12px;color:var(--muted);margin-top:8px}.reply-preview{white-space:pre-wrap;overflow-wrap:anywhere}.library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.library-card{display:block;text-align:left;width:100%;background:var(--paper);border:1px solid var(--line);padding:26px;transition:border-color .2s,transform .2s}.library-card:hover{border-color:#708e70;transform:translateY(-2px)}.card-top{display:flex;justify-content:space-between;gap:12px;margin-bottom:18px}.card-number{color:var(--rust);font-family:var(--serif);font-size:24px}.status-tag{font-size:12px;color:var(--muted);padding:2px 7px;border:1px solid var(--line);align-self:center;border-radius:3px}.library-card h2{font-family:var(--serif);font-weight:500;font-size:24px;margin:0 0 12px}.library-card p{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 20px}.card-bottom{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted)}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.filter-button{background:transparent;border:1px solid var(--line);padding:8px 16px;border-radius:3px;font-size:14px}.filter-button[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}.empty-state{padding:65px 30px;border:1px dashed #b8c4b1;text-align:center;background:#f7f8ef}.empty-state h2{font-family:var(--serif);font-size:25px;font-weight:500}.empty-state p{font-size:15px;color:var(--muted);max-width:470px;margin:0 auto 24px}.archive-list{display:grid;gap:18px}.archive-card{padding:25px 28px;border:1px solid var(--line);background:var(--paper)}.archive-card h2{font-family:var(--serif);font-size:24px;font-weight:500;margin:0 0 15px}.archive-meta{display:flex;gap:16px;justify-content:space-between;color:var(--muted);font-size:12px;margin-bottom:14px}.archive-card .reply-preview{font-size:15px;margin:0 0 16px;max-height:180px;overflow:auto}.actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.actions .delete{margin-left:auto;color:#904b36}.attachment-preview{display:block;max-width:100%;max-height:300px;object-fit:contain;border-radius:3px;margin:12px 0;background:#e9ece4}.settings-section{background:var(--paper);border:1px solid var(--line);padding:28px 32px;margin-bottom:22px}.settings-section h2{font-family:var(--serif);font-size:20px;font-weight:500;margin:0 0 18px}.settings-section p{font-size:14px;color:var(--muted);max-width:720px}.settings-row{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-top:18px;border-top:1px solid var(--line)}.settings-row p{margin:4px 0 0;font-size:13px}.settings-row b{font-size:15px;font-weight:500}.switch{display:flex;align-items:center;gap:9px;font-size:14px;white-space:nowrap}.switch input{width:19px;height:19px;accent-color:var(--green)}.data-actions{display:flex;gap:12px;flex-wrap:wrap}.danger-zone h2{color:#89442f}.loading{padding:70px 20px;text-align:center;color:var(--muted)}.error-card{padding:30px;background:var(--paper);border:1px solid #b96042}.error-card h1{font-size:26px}.error-card p{font-size:15px}.error-card a{display:inline-block;margin:16px 0}.link-result{display:block;font-size:14px;overflow-wrap:anywhere;margin:12px 0}
dialog{border:1px solid var(--line);border-radius:6px;padding:0;background:var(--paper);color:var(--ink);width:min(650px,calc(100vw - 32px));max-height:calc(100dvh - 40px);box-shadow:0 22px 80px #162c2b38}dialog::backdrop{background:#172e2790;backdrop-filter:blur(3px)}.dialog-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:25px 30px 20px;border-bottom:1px solid var(--line)}.dialog-header h2{font-family:var(--serif);font-size:27px;font-weight:500;margin:0}.icon-button{background:none;border:1px solid var(--line);width:36px;height:36px;border-radius:50%;font-size:25px;line-height:1;flex-shrink:0}.dialog-body{padding:23px 30px}.compose-context{font-size:14px;color:var(--muted);border-left:2px solid var(--line);padding-left:14px;margin:0 0 24px}label{display:block;font-size:14px;margin-bottom:9px}.optional{font-size:12px;color:var(--muted);margin-left:10px}textarea,input[type=url]{width:100%;display:block;background:#f9faf3;color:var(--ink);border:1px solid #bdc8b7;border-radius:3px;padding:12px 14px;font-size:16px;line-height:1.8}textarea{resize:vertical;min-height:155px}input::placeholder,textarea::placeholder{color:#7d897a}.input-meta{display:flex;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted);margin:7px 0 20px}.field-hint{font-size:12px;color:var(--muted);margin:8px 0 20px}.privacy-note{font-size:12px;color:var(--muted);line-height:1.8;margin:20px 0 0}.dialog-actions{position:sticky;bottom:0;background:var(--paper);display:flex;justify-content:flex-end;gap:12px;border-top:1px solid var(--line);padding:18px 30px;z-index:1}.error-text{font-size:14px;color:#993c26;margin-top:12px}.attachment-picker{border:1px dashed #acbca1;padding:15px 17px;display:flex;align-items:center;gap:15px;flex-wrap:wrap}.attachment-picker label{margin:0}.attachment-picker small{font-size:12px;color:var(--muted)}.attachment-picker input{font-size:13px;max-width:100%}.confirm-content{padding:30px}.confirm-content h2{font-size:22px}.confirm-content p{font-size:15px;color:var(--muted)}.confirm-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:25px}.toast{position:fixed;bottom:26px;left:calc(50% + 120px);transform:translateX(-50%);max-width:calc(100vw - 32px);padding:13px 21px;background:#243e32;color:white;border-radius:5px;font-size:14px;box-shadow:0 5px 20px #19342333;z-index:100}[hidden]{display:none!important}
@media(min-width:1550px){main{padding-top:55px}.letter-paper{padding:40px 50px}.letter-text{font-size:23px}.inbox-layout{grid-template-columns:minmax(0,1fr) 230px;gap:34px}.letter-paper h2{font-size:34px}}
@media(max-width:1160px){.sidebar{width:208px;padding:30px 18px}.brand{font-size:22px;gap:9px}.brand small{font-size:8px}.workspace{margin-left:208px}.topbar{padding:0 28px}main{padding:32px 28px}.page-footer{padding:20px 28px}.inbox-layout{grid-template-columns:1fr}.desk-aside{display:grid;grid-template-columns:1fr 1fr;gap:24px}.desk-note{margin-bottom:0}.toast{left:calc(50% + 104px)}}
@media(max-width:760px){.sidebar{position:static;width:100%;padding:22px 22px 12px;display:block}.brand{font-size:23px}.brand small{font-size:8px}.brand-mark{font-size:23px}.nav-caption,.side-quote,.edition{display:none}.sidebar>nav{display:flex;gap:5px;margin-top:24px}.sidebar nav a{padding:9px 12px;font-size:14px;flex:1;justify-content:center}.sidebar>nav .nav-end{display:none}.side-bottom{padding:0;margin:0}.side-bottom nav{position:absolute;right:22px;top:29px;display:block}.side-bottom nav a{font-size:12px;padding:3px 0}.side-bottom nav a:first-child{display:none}.workspace{margin:0}.topbar{height:56px;padding:0 22px;font-size:13px}.mode-label{font-size:11px}main{padding:26px 20px 16px;min-height:60vh}.page-head{align-items:flex-start;gap:12px;margin-bottom:22px}h1{font-size:27px}.page-subtitle{font-size:13px}.daily-meta{font-size:11px}.daily-meta b{letter-spacing:.03em}.letter-paper{padding:25px 23px}.letter-paper h2{font-size:28px;margin-top:25px}.letter-text{font-size:20px;line-height:2}.letter-top{padding-bottom:18px}.letter-signature{margin:20px 0 26px}.letter-actions{gap:18px}.letter-actions>.primary{width:100%}.quiet-actions{justify-content:space-between;width:100%}.desk-aside{grid-template-columns:1fr;gap:20px}.inbox-layout{gap:24px}.desk-note{padding:0 0 20px}.page-footer{font-size:12px;padding:15px 20px 24px;flex-wrap:wrap}.library-grid{grid-template-columns:1fr;gap:14px}.library-card{padding:22px}.library-card h2{font-size:25px}.page-head .button{padding:8px 12px;min-height:40px;font-size:13px}.archive-card{padding:22px}.settings-section{padding:23px}.settings-row{align-items:flex-start;flex-wrap:wrap}.toast{left:50%;width:max-content;bottom:16px}.dialog-header{padding:21px 22px 18px}.dialog-body{padding:22px}.dialog-actions{padding:16px 22px}.dialog-actions .button{flex:1;padding:10px 12px;font-size:14px}.optional{display:block;margin:3px 0 0}.welcome-note{font-size:13px;padding:13px 15px}.sender{font-size:14px}.sender small{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.library-card{transition:none}}
.brand small{font-size:12px;letter-spacing:0}.letter-number small{font-size:12px}.mode-label,.daily-meta{font-size:12px}