:root{--bg: #eef0f5;--panel: #ffffff;--line: #dfe3ec;--ink: #1c2333;--sub: #697086;--accent: #c81026;--accent-soft: #ffe3e3;--danger: #d64545;--ok: #1d9e6f;--shadow: 0 1px 2px rgba(20, 28, 50, .08), 0 8px 24px rgba(20, 28, 50, .1);--r: 10px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font:14px/1.45 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}button{font:inherit;color:inherit;cursor:pointer}input{font:inherit;color:inherit}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.auth-shell{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:32px 28px}.brand{display:flex;align-items:center;gap:10px;margin-bottom:24px}.brand .logo{width:32px;height:32px;border-radius:8px;overflow:hidden;flex:none}.brand .logo svg{width:32px;height:32px;display:block}.brand span{font-weight:700;font-size:15px}.auth-card h1{font-size:20px;margin:0 0 4px}.auth-card .sub{color:var(--sub);font-size:13px;margin:0 0 22px}.field{margin-bottom:14px}.field label{display:block;font-size:12.5px;font-weight:600;color:var(--sub);margin-bottom:6px}.field input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:#fff;transition:border-color .15s ease}.field input:focus{outline:none;border-color:var(--accent)}.field-row{display:flex;gap:12px}.field-row .field{flex:1}.btn{width:100%;padding:10px 14px;border-radius:8px;font-weight:600;font-size:14px;border:1px solid transparent}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#a80d1f}.btn-primary:disabled{background:#a9b6ee;cursor:not-allowed}.btn-ghost{background:none;border:1px solid var(--line);color:var(--ink)}.btn-ghost:hover{background:#f5f6fa}.form-error{background:#fdeceb;border:1px solid #f4c6c1;color:var(--danger);font-size:12.5px;padding:9px 11px;border-radius:8px;margin-bottom:14px}.form-success{background:#e8f7f0;border:1px solid #bfe8d5;color:var(--ok);font-size:12.5px;padding:9px 11px;border-radius:8px;margin-bottom:14px}.auth-links{display:flex;justify-content:space-between;margin-top:16px;font-size:12.5px;color:var(--sub)}.stepper{display:flex;gap:6px;margin-bottom:20px}.stepper .dot{flex:1;height:3px;border-radius:2px;background:var(--line)}.stepper .dot.active{background:var(--accent)}.app-shell{min-height:100%;display:flex;flex-direction:column}.navbar{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:var(--panel);border-bottom:1px solid var(--line)}.navbar .user-chip{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--sub)}.navbar .avatar{width:28px;height:28px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-weight:700;font-size:12px}.dash-body{flex:1;padding:28px 24px 40px;max-width:980px;margin:0 auto;width:100%}.dash-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}.dash-head h1{font-size:22px;margin:0}.dash-head p{color:var(--sub);font-size:13px;margin:4px 0 0}.upload-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:8px;background:var(--accent);color:#fff;font-weight:600;font-size:13.5px}.upload-btn:hover{background:#a80d1f}.upload-btn input{display:none}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.file-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:10px;transition:border-color .15s ease,box-shadow .15s ease}.file-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}.file-card .icon{width:36px;height:36px;border-radius:8px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}.file-card .name{font-weight:600;font-size:13.5px;word-break:break-word}.file-card .meta{color:var(--sub);font-size:12px}.file-card .actions{display:flex;gap:5px;margin-top:auto}.file-card .actions .open-btn,.file-card .actions .delete-btn{flex:1;padding:7px 0;border-radius:7px;font-size:12.5px;font-weight:600}.file-card .open-btn{background:var(--accent-soft);color:var(--accent)}.file-card .open-btn:hover{background:#ffd0d0}.file-card .delete-btn{background:none;border:1px solid var(--line);color:var(--sub)}.file-card .delete-btn:hover{border-color:var(--danger);color:var(--danger)}.file-card .delete-btn:disabled{opacity:.6;cursor:not-allowed}.file-card .icon-btn{flex:none;width:26px;display:grid;place-items:center;border-radius:7px;border:1px solid var(--line);color:var(--sub);background:none}.file-card .icon-btn:hover{border-color:var(--accent);color:var(--accent)}.file-card .icon-btn:disabled{opacity:.6;cursor:not-allowed}.rename-form{margin:-2px 0}.rename-input{width:100%;padding:4px 6px;border:1px solid var(--accent);border-radius:6px;font-size:13.5px;font-weight:600}.search-bar{position:relative;width:260px;max-width:100%}.search-bar svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--sub)}.search-bar input{width:100%;padding:9px 12px 9px 32px;border:1px solid var(--line);border-radius:8px;background:#fff}.search-bar input:focus{outline:none;border-color:var(--accent)}.empty-state{border:1px dashed var(--line);border-radius:14px;padding:60px 24px;text-align:center;color:var(--sub)}.empty-state h3{color:var(--ink);margin:12px 0 4px}.spinner{width:16px;height:16px;border-radius:50%;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.type-badge{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.3px;padding:2px 6px;border-radius:4px;margin-left:6px;vertical-align:middle}.type-badge.pdf{background:var(--accent-soft);color:var(--accent)}.type-badge.docx{background:#e3ecff;color:#2952cc}.doc-editor-shell{min-height:100%;display:flex;flex-direction:column;background:var(--bg)}.doc-editor-error{margin:auto;text-align:center;color:var(--sub)}.doc-editor-error p{margin-bottom:14px}.doc-topbar{display:flex;align-items:center;gap:16px;padding:10px 18px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:nowrap}.doc-topbar-left{display:flex;align-items:center;gap:10px;flex-shrink:0}.doc-topbar-left .logo svg{width:26px;height:26px;display:block}.doc-filename{font-weight:600;font-size:13.5px;color:var(--ink);white-space:nowrap}.doc-toolbar{display:flex;align-items:center;gap:6px;flex:1;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin;padding-bottom:2px}.doc-toolbar::-webkit-scrollbar{height:5px}.doc-toolbar::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}.doc-toolbar .tb,.doc-toolbar .doc-toolbar-sep,.doc-toolbar .doc-popover-wrap{flex-shrink:0}.doc-toolbar-sep{width:1px;height:20px;background:var(--line);margin:0 4px}.doc-topbar-right{display:flex;align-items:center;gap:8px;flex-shrink:0}.doc-status{font-size:12px;color:var(--ok);font-weight:600}.doc-editor-shell .tb{padding:7px 12px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:12.5px;font-weight:600;cursor:pointer}.doc-editor-shell .tb:hover{border-color:var(--accent);color:var(--accent)}.doc-editor-shell .tb.primary{background:var(--accent);border-color:var(--accent);color:#fff}.doc-editor-shell .tb.primary:hover{background:#a80d1f}.doc-editor-shell .tb:disabled{opacity:.6;cursor:not-allowed}.doc-page-wrap{flex:1;display:flex;justify-content:center;padding:32px 20px 80px;overflow-y:auto}.doc-page{width:100%;max-width:760px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:56px 64px;min-height:900px;font-size:15px;line-height:1.7;color:var(--ink);outline:none}.doc-h1{font-size:26px;font-weight:800;margin:.6em 0 .3em}.doc-h2{font-size:21px;font-weight:800;margin:.6em 0 .3em}.doc-h3{font-size:17px;font-weight:700;margin:.6em 0 .3em}.doc-blockquote{border-left:3px solid var(--accent);margin:.8em 0;padding:4px 16px;color:var(--sub);font-style:italic}.doc-code{background:#f1f2f6;border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-family:Courier New,monospace;font-size:.92em}.doc-link{color:var(--accent);text-decoration:underline}.doc-list-item{position:relative;padding-left:26px;margin:.2em 0}.doc-list-bulleted:before{content:"•";position:absolute;left:8px;color:var(--sub)}.doc-list-ordered{counter-increment:doc-list-counter}.doc-list-ordered:before{content:counter(doc-list-counter) ".";position:absolute;left:4px;color:var(--sub)}.doc-page{counter-reset:doc-list-counter}.doc-table{border-collapse:collapse;width:100%;margin:1em 0}.doc-td,.doc-th{border:1px solid var(--line);padding:8px 10px;min-width:60px}.doc-th{background:var(--bg);font-weight:700}.doc-image-wrap{margin:1em 0}.doc-image{max-width:100%;border-radius:6px;display:block}.doc-popover-wrap{position:relative;display:inline-block}.doc-popover{position:fixed;z-index:200;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:8px;display:flex;gap:6px}.doc-swatch{width:22px;height:22px;border-radius:5px;border:1px solid var(--line);cursor:pointer;padding:0}.doc-emoji-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;width:180px}.doc-emoji-btn{background:none;border:none;font-size:18px;padding:4px;cursor:pointer;border-radius:5px}.doc-emoji-btn:hover{background:var(--bg)}.admin-filters{display:flex;gap:8px;margin-bottom:18px}.admin-filter-btn{padding:7px 14px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--sub);font-size:12.5px;font-weight:600}.admin-filter-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.admin-table-wrap{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}.admin-table{width:100%;border-collapse:collapse;font-size:13px}.admin-table th{text-align:left;padding:12px 16px;background:var(--bg);color:var(--sub);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.3px;border-bottom:1px solid var(--line)}.admin-table td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--ink)}.admin-table tr:last-child td{border-bottom:none}.admin-actions{display:flex;gap:8px;justify-content:flex-end}.admin-text-btn{width:auto;padding:6px 12px;font-size:12px;font-weight:600;border-radius:6px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1c233373;display:flex;align-items:center;justify-content:center;z-index:300;padding:20px}.modal-card{background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:28px;width:100%;max-width:400px}.modal-card h2{margin:0 0 4px;font-size:19px}.modal-card .sub{color:var(--sub);font-size:13px;margin:0 0 18px}