:root{--bg: #f5f6f8;--panel: #ffffff;--border: #e3e6ea;--text: #1c2733;--muted: #6b7684;--brand: #2f6df6;--brand-dark: #1f56d6;--danger: #d64545;--hover: #eef3ff;--radius: 8px}:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}a{color:var(--brand);text-decoration:none}button{font:inherit;cursor:pointer}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--panel);border-right:1px solid var(--border);padding:16px 10px;position:sticky;top:0;height:100vh}.logo{font-weight:700;font-size:18px;padding:8px 10px 16px;display:flex;align-items:center;gap:8px}.logo .dot{width:12px;height:12px;border-radius:3px;background:var(--brand);display:inline-block}.nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:6px;color:var(--text);font-size:14px;margin-bottom:2px}.nav a.active,.nav a:hover{background:var(--hover);color:var(--brand-dark)}.nav .ico{width:18px;text-align:center}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:56px;background:var(--panel);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 20px;position:sticky;top:0;z-index:5}.content{padding:24px;flex:1}.who{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}.avatar{width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:600}.btn{background:var(--brand);color:#fff;border:none;padding:8px 14px;border-radius:6px;font-size:14px}.btn:hover{background:var(--brand-dark)}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}.btn.ghost:hover{background:var(--hover)}.btn.sm{padding:5px 10px;font-size:13px}.btn.danger{background:var(--danger)}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}.lib-card{padding:16px;cursor:pointer;transition:box-shadow .15s}.lib-card:hover{box-shadow:0 3px 12px #00000014}.lib-card h3{margin:0 0 4px;font-size:15px}.lib-card .meta{color:var(--muted);font-size:13px}.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:20px;background:var(--hover);color:var(--brand-dark)}table.files{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}table.files th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:10px 14px;border-bottom:1px solid var(--border)}table.files td{padding:10px 14px;border-bottom:1px solid var(--border);font-size:14px}table.files tr:last-child td{border-bottom:none}table.files tr:hover td{background:var(--hover)}.name-cell{display:flex;align-items:center;gap:10px;cursor:pointer}.name-cell .ico{font-size:18px}.row-actions{display:flex;gap:6px;opacity:0}table.files tr:hover .row-actions{opacity:1}.breadcrumbs{display:flex;align-items:center;gap:6px;font-size:14px;margin-bottom:16px;flex-wrap:wrap}.breadcrumbs a{color:var(--muted)}.breadcrumbs .sep{color:var(--border)}.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}.spacer{flex:1}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:28px;text-align:center;color:var(--muted);margin-bottom:16px;background:var(--panel)}.dropzone.drag{border-color:var(--brand);background:var(--hover)}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172373;display:grid;place-items:center;z-index:50;padding:16px}.modal{background:var(--panel);border-radius:10px;padding:22px;width:440px;max-width:92vw;max-height:90vh;max-height:90dvh;overflow-y:auto;-webkit-overflow-scrolling:touch;box-shadow:0 12px 40px #00000040}.modal h2{margin:0 0 14px;font-size:17px}.modal .field{margin-bottom:12px}.modal .field>span{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}.modal label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}input,select{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:6px;font-size:14px;background:#fff;color:var(--text)}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.menu{position:relative;display:inline-block}.menu-items{position:absolute;top:105%;left:0;background:var(--panel);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px #0000001f;min-width:190px;z-index:20;max-height:70vh;max-height:70dvh;overflow-y:auto;-webkit-overflow-scrolling:touch}.menu-items button{display:block;width:100%;text-align:left;padding:9px 14px;border:none;background:none;font-size:14px;color:var(--text)}.menu-items button:hover{background:var(--hover)}.center{min-height:100vh;display:grid;place-items:center}.login-card{width:380px;max-width:92vw;padding:30px}.login-card h1{font-size:22px;margin:0 0 6px}.login-card p.sub{color:var(--muted);margin:0 0 22px;font-size:14px}.err{color:var(--danger);font-size:13px;margin-top:8px}.empty{text-align:center;color:var(--muted);padding:50px 0}.nav-sep{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:14px 12px 4px}.editor-shell{display:flex;flex-direction:column;height:100vh;height:100dvh;overflow:hidden;overscroll-behavior:none}.editor-topbar{flex:0 0 auto;min-height:56px;padding-top:env(safe-area-inset-top,0px);background:var(--panel);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;padding-left:16px;padding-right:16px}.editor-title{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.editor-frame-wrap{flex:1 1 auto;min-height:0;position:relative;background:#fff}.editor-frame{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:none;display:block;background:#fff}.editor-loading{flex:1;display:grid;place-items:center;color:var(--muted);font-size:14px;background:#fff}.muted{color:var(--muted)}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-head h1{font-size:20px;margin:0}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px}.tab{background:none;border:none;padding:8px 14px;font-size:14px;color:var(--muted);border-bottom:2px solid transparent;cursor:pointer}.tab.active{color:var(--brand-dark);border-bottom-color:var(--brand);font-weight:600}.share-section .field{margin-bottom:12px}.row-inline{display:flex;gap:8px;align-items:center}.row-inline select,.row-inline input{flex:1}.row-inline .btn{flex:0 0 auto;white-space:nowrap}.check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin:10px 0 8px}.check input{width:auto}.search-wrap{position:relative}.search-results{position:absolute;top:104%;left:0;right:0;background:var(--panel);border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 24px #0000001f;z-index:20;max-height:220px;overflow-y:auto}.search-results button{display:block;width:100%;text-align:left;padding:9px 12px;border:none;background:none;font-size:14px;color:var(--text);cursor:pointer}.search-results button:hover{background:var(--hover)}.picked-row{display:flex;align-items:center;justify-content:space-between;padding:8px 11px;border:1px solid var(--border);border-radius:6px;font-size:14px}.grant-list{margin-top:16px;border-top:1px solid var(--border);padding-top:10px}.grant-row{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:14px}.grant-row>span:first-child{flex:1}.role-tag{font-size:11px;padding:2px 8px;border-radius:20px;background:var(--hover);color:var(--brand-dark)}.created-link{background:var(--hover);border:1px solid var(--border);border-radius:8px;padding:12px;margin-bottom:16px}.created-link label{display:block;font-size:13px;margin-bottom:6px;color:var(--text);font-weight:600}.sm{font-size:12px}.public-share{min-height:100vh;background:var(--bg);display:flex;flex-direction:column;align-items:center;padding:48px 16px;box-sizing:border-box}.ps-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;box-shadow:0 8px 30px #00000014;width:560px;max-width:96vw;padding:28px}.ps-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px;margin-bottom:20px}.ps-brand .dot{width:12px;height:12px;border-radius:3px;background:var(--brand);display:inline-block}.ps-unlock h2,.ps-file h2{font-size:18px;margin:0 0 8px}.ps-unlock input{margin:12px 0}.ps-file{text-align:center;padding:20px 0}.ps-file-ico{font-size:52px;margin-bottom:8px}.ps-file .btn{display:inline-block;margin-top:12px}.ps-footer{margin-top:20px;font-size:12px}@media (max-width: 720px){.app{flex-direction:column}.sidebar{width:auto;height:auto;position:static;border-right:none;border-bottom:1px solid var(--border);padding:8px 8px 6px}.logo{padding:4px 6px 8px}.nav{display:flex;flex-wrap:wrap;gap:4px}.nav a{margin-bottom:0;padding:7px 10px}.nav-sep{width:100%;padding:6px 10px 2px}.topbar{height:52px;padding:0 12px}.content{padding:14px}.page-head h1{font-size:18px}.row-actions{opacity:1}table.files th:nth-child(2),table.files td:nth-child(2),table.files th:nth-child(3),table.files td:nth-child(3),table.files th:nth-child(4),table.files td:nth-child(4){display:none}.editor-topbar{min-height:48px;gap:8px;padding-left:10px;padding-right:10px}.editor-title{font-size:13px}}.pdf-tools{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:4px}.pdf-tools .btn{justify-content:flex-start}.pdf-group-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:12px 2px 6px}.pdf-group-label:first-child{margin-top:0}.form-fill-list{max-height:340px;overflow-y:auto;padding-right:4px}.pdf-studio-hint{flex:0 0 auto;font-size:13px;line-height:1.4;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--border);color:var(--muted)}.pce-badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;background:var(--accent, #2563eb);color:#fff;border-radius:6px;padding:2px 6px}.pce-hint{flex:0 0 auto;font-size:13px;line-height:1.4;padding:10px 16px;background:var(--panel);border-bottom:1px solid var(--border);color:var(--muted)}.pce-warn{flex:0 0 auto;font-size:13px;line-height:1.5;padding:12px 16px;background:#fff7ed;border-bottom:1px solid #fed7aa;color:#9a3412;display:flex;align-items:center;flex-wrap:wrap}:root[data-theme=dark] .pce-warn{background:#3a240f;border-bottom-color:#7c2d12;color:#fdba74}.pce-pages{flex:1 1 auto;overflow:auto;padding:24px;display:flex;flex-direction:column;align-items:center;gap:24px;background:#6b7280}.pce-page{position:relative;background:#fff;box-shadow:0 2px 12px #00000059;flex:0 0 auto}.pce-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.pce-layer{position:absolute;top:0;right:0;bottom:0;left:0}.pce-text{position:absolute;white-space:pre;color:transparent;caret-color:#2563eb;transform-origin:left top;cursor:text;border-radius:2px;padding:0;outline:none;min-width:4px}.pce-text[contenteditable=true]:hover{background:#2563eb1f}.pce-text[contenteditable=true]:focus{background:#fff;color:#111;box-shadow:0 0 0 1px #2563eb}.pce-text.edited{background:#fff;color:#111}.merge-list{max-height:320px;overflow-y:auto;border:1px solid var(--border);border-radius:8px;margin:8px 0}.merge-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border-bottom:1px solid var(--border);cursor:pointer}.merge-item:last-child{border-bottom:none}.merge-item .merge-name{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.merge-item .merge-order{font-size:12px;font-weight:600;color:var(--accent, #2563eb);background:var(--accent-weak, #eff4ff);border-radius:10px;padding:1px 8px}@media (max-width: 720px){.pdf-tools{grid-template-columns:1fr}}