*{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f4f6f9;--card: #ffffff;--ink: #16243a;--muted: #6b7a90;--line: #e3e8ef;--brand: #0f2d52;--accent: #1b6ef3;--danger: #c0392b}body{font-family:-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}.muted{color:var(--muted)}.small{font-size:12px}.center{display:flex;align-items:center;justify-content:center;min-height:100vh}.error{color:var(--danger);font-size:13px}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{background:var(--card);padding:36px;border-radius:14px;width:340px;display:flex;flex-direction:column;gap:12px;box-shadow:0 8px 30px #0f2d521a}.login-card h1{color:var(--brand);font-size:24px}input,textarea,select{border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14px;font-family:inherit;width:100%}input:focus,textarea:focus,select:focus{outline:2px solid var(--accent);outline-offset:-1px}button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-size:14px;cursor:pointer;font-family:inherit}button:disabled{opacity:.6;cursor:default}button.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}button.danger{background:var(--danger)}.layout{display:grid;grid-template-columns:230px 1fr;min-height:100vh}aside{background:var(--brand);color:#fff;display:flex;flex-direction:column;padding:20px 14px;gap:20px}.brand{display:flex;flex-direction:column}.brand .muted{color:#9db4d4;font-size:12px}aside nav{display:flex;flex-direction:column;gap:4px}aside nav button{background:transparent;text-align:left;color:#cfdcef;border-radius:8px}aside nav button.active,aside nav button:hover{background:#ffffff1f;color:#fff}.sidebar-footer{margin-top:auto;display:flex;flex-direction:column;gap:8px}.sidebar-footer .muted{color:#9db4d4;word-break:break-all}main{padding:28px;max-width:900px}main h2{margin-bottom:4px}main .desc{margin-bottom:20px}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin-bottom:16px}.form-grid{display:flex;flex-direction:column;gap:12px}.row{display:flex;gap:12px}.row>*{flex:1}label{font-size:13px;color:var(--muted);display:block;margin-bottom:4px}.list-item{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.list-item:last-child{border-bottom:none}.list-item .title{font-weight:600}.list-item .body{font-size:13px;color:var(--muted);margin-top:2px;white-space:pre-wrap}.list-item img{width:72px;height:72px;object-fit:cover;border-radius:8px}.item-actions{display:flex;gap:6px;flex-shrink:0}.item-actions button{padding:6px 10px;font-size:12px}.tag{display:inline-block;background:#eaf1fd;color:var(--accent);font-size:11px;border-radius:6px;padding:2px 8px;margin-right:6px}