:root{--navy:#1f3a60;--blue:#2f6fdb;--line:#d9e1ea;--muted:#57697c;--bg:#f5f7fa}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:var(--bg);color:#1b2733;font-size:14px}button{font:inherit;background:var(--blue);color:#fff;border:0;border-radius:8px;padding:9px 16px;cursor:pointer}button:disabled{opacity:.6;cursor:default}button.ghost{background:transparent;color:var(--navy);border:1px solid var(--line)}button.ghost.on{border-color:var(--blue);color:var(--blue);font-weight:600}input,select{font:inherit;border:1px solid var(--line);border-radius:8px;padding:9px 12px;background:#fff}.muted{color:var(--muted)}.small{font-size:12px}.err{background:#fdecec;color:#b23636;border-radius:8px;padding:8px 12px;margin:8px 0}.err.big{margin:40px;text-align:center}.ok{background:#e8f6ec;color:#1e7c3a;border-radius:8px;padding:8px 12px;margin:8px 0}.lnk{color:var(--blue);cursor:pointer;font-size:13px;display:inline-block;margin-top:8px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:34px;max-width:400px;width:100%;box-shadow:0 8px 30px #1f3a6014}.login-card h1{margin:0 0 4px;color:var(--navy);font-size:22px}.login-card label{display:block;margin:16px 0 6px;font-weight:600;font-size:13px}.login-card input{width:100%;margin-bottom:12px}.login-card button{width:100%}.shell{max-width:860px;margin:0 auto;padding:0 16px 60px}header{display:flex;align-items:center;gap:10px;padding:16px 0;border-bottom:1px solid var(--line);margin-bottom:14px}.brand{font-weight:700;color:var(--navy);font-size:17px;margin-right:auto}.who{color:var(--muted);font-size:13px}.search{width:100%;margin:4px 0 14px}.group h2{font-size:14px;color:var(--navy);text-transform:uppercase;letter-spacing:.05em;margin:18px 0 6px}.folder{display:flex;align-items:center;gap:10px;background:#eef3f9;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin-bottom:6px;cursor:pointer;-webkit-user-select:none;user-select:none}.folder:hover{background:#e4ecf6}.folder .fname{color:var(--navy)}.folder .fmeta{white-space:nowrap}.caret{color:var(--muted);width:12px;flex:none}.file{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin-bottom:6px;flex-wrap:wrap}.fname{font-weight:600;margin-right:auto;min-width:0;flex:1 1 240px;overflow-wrap:anywhere}.fname .off{color:#b23636;font-style:normal;font-weight:400}.fmeta{color:var(--muted);font-size:12px;min-width:0;flex:0 1 auto;text-align:right;overflow-wrap:anywhere}.file button{flex:none}.tabs{display:flex;gap:6px;margin-bottom:12px}.tabs button{background:transparent;color:var(--navy);border:1px solid var(--line)}.tabs button.active{background:var(--blue);color:#fff;border-color:var(--blue)}.addrow{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}.addrow input{flex:1;min-width:160px}.upload{display:inline-block;background:var(--blue);color:#fff;border-radius:8px;padding:10px 18px;cursor:pointer}.subhead{font-size:13px;color:var(--navy);text-transform:uppercase;letter-spacing:.05em;margin:20px 0 8px}.notice{background:#eef3f9;border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:8px;padding:10px 14px;margin:0 0 4px;color:var(--muted);font-size:13px;line-height:1.5}.notice b{color:var(--navy)}.sharemsg{background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin:10px 0;white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;color:#1b2733;max-height:200px;overflow-y:auto}header{flex-wrap:wrap}.brand{min-width:0}.who{min-width:0;overflow-wrap:anywhere}.addrow select{max-width:100%}@media (max-width:600px){.fmeta{order:3;width:100%;text-align:left}}