:root{--fd-blue: #2296fe;--fd-blue-dark: #0574e4;--fd-blue-soft: rgba(34, 150, 254, .12);--fd-ink: #1f2937;--fd-muted: #6b7280;--fd-border: #e5e7eb;--fd-bg: #f9fafb;--fd-danger: #dc2626}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--fd-ink);background:var(--fd-bg);font-size:14px}button{cursor:pointer;font:inherit}.fd-header{display:flex;align-items:center;gap:12px;height:52px;padding:0 16px;background:#fff;border-bottom:1px solid var(--fd-border)}.fd-header__brand{font-weight:700;font-size:15px}.fd-header__site{color:var(--fd-muted);font-size:13px;text-decoration:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fd-header__site:hover{color:var(--fd-blue)}.fd-layout{display:flex;height:calc(100vh - 52px)}.fd-sidebar{display:flex;flex-direction:column;width:420px;min-width:420px;background:#fff;border-right:1px solid var(--fd-border)}.fd-sidebar__scroll{flex:1;overflow-y:auto;padding:16px}.fd-preview{display:flex;flex:1;flex-direction:column;min-width:0}.fd-iframe{flex:1;border:none;background:#fff}.fd-toolbar{display:flex;align-items:center;gap:12px;height:48px;flex-shrink:0;padding:0 14px;background:#fff;border-bottom:1px solid var(--fd-border)}.fd-segment{display:inline-flex;padding:2px;border-radius:999px;background:var(--fd-bg);border:1px solid var(--fd-border)}.fd-segment__btn{border:none;background:transparent;color:var(--fd-muted);font-weight:600;font-size:13px;padding:6px 14px;border-radius:999px;transition:background .12s ease,color .12s ease}.fd-segment__btn:hover:not(.is-active){color:var(--fd-ink)}.fd-segment__btn.is-active{background:var(--fd-blue);color:#fff;box-shadow:0 1px 3px #2296fe59}.fd-toolbar__path{flex:1;min-width:0;text-align:center;font-size:13px;color:var(--fd-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fd-toolbar__link{flex-shrink:0;font-size:13px;font-weight:600;color:var(--fd-blue-dark);text-decoration:none;white-space:nowrap}.fd-toolbar__link:hover{text-decoration:underline}.fd-collections{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}.fd-collections__item{display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;border:none;border-radius:6px;background:transparent;color:var(--fd-ink);text-align:left;font-size:14px}.fd-collections__item:hover{background:var(--fd-bg)}.fd-collections__item.is-active{background:var(--fd-blue-soft);color:var(--fd-blue-dark);font-weight:600}.fd-collections__dot{width:7px;height:7px;border-radius:50%;background:var(--fd-blue);margin-left:auto;flex-shrink:0}.fd-item{border:1px solid var(--fd-border);border-radius:8px;margin-bottom:8px;background:#fff}.fd-item[open]{border-color:#2296fe73;box-shadow:0 1px 4px #1f29370f}.fd-item__summary{display:flex;align-items:center;gap:8px;padding:10px 12px;font-weight:600;font-size:13.5px;list-style:none;cursor:pointer;border-radius:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.fd-item__summary::-webkit-details-marker{display:none}.fd-item__summary:before{content:"";flex-shrink:0;width:8px;height:8px;border-right:2px solid var(--fd-muted);border-bottom:2px solid var(--fd-muted);transform:rotate(-45deg);transition:transform .12s ease}.fd-item[open]>.fd-item__summary:before{transform:rotate(45deg)}.fd-item__body{padding:4px 12px 12px;border-top:1px solid var(--fd-border)}.fd-field{display:block;margin:10px 0}.fd-field__label{display:block;margin-bottom:4px;font-size:12px;font-weight:600;color:#374151}.fd-input{display:block;width:100%;padding:8px 10px;border:1px solid var(--fd-border);border-radius:6px;font:inherit;color:var(--fd-ink);background:#fff;resize:vertical}.fd-input:focus{outline:none;border-color:var(--fd-blue);box-shadow:0 0 0 3px #2296fe40}.fd-field--checkbox{display:flex;align-items:center;gap:8px}.fd-field--checkbox input{width:16px;height:16px;accent-color:var(--fd-blue)}.fd-group{border:1px solid var(--fd-border);border-radius:8px;padding:4px 12px 10px;margin:10px 0}.fd-group>legend{font-size:12px;font-weight:600;color:#374151;padding:0 4px}.fd-id{font-size:11px;color:var(--fd-muted);margin:2px 0 6px}.fd-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 18px;border-radius:999px;border:1px solid var(--fd-border);background:#fff;color:var(--fd-ink);font-weight:600;font-size:13.5px;transition:background .12s ease,box-shadow .12s ease}.fd-btn:hover:not(:disabled){background:var(--fd-bg)}.fd-btn:disabled{opacity:.45;cursor:default}.fd-btn--primary{background:var(--fd-blue);border-color:var(--fd-blue);color:#fff}.fd-btn--primary:hover:not(:disabled){background:var(--fd-blue-dark)}.fd-btn--ghost{border-color:transparent;background:transparent;color:var(--fd-blue-dark);padding:6px 10px}.fd-btn--ghost:hover:not(:disabled){background:var(--fd-blue-soft)}.fd-btn--danger{border-color:transparent;background:transparent;color:var(--fd-danger);padding:6px 10px;font-size:12.5px}.fd-actions{display:flex;gap:8px;padding:12px 16px;border-top:1px solid var(--fd-border);background:#fff}.fd-actions .fd-btn{flex:1}.fd-status{padding:8px 16px 0;font-size:12.5px;color:var(--fd-muted)}.fd-hint{margin-top:14px;font-size:12px;line-height:1.5;color:var(--fd-muted)}.fd-login{display:flex;align-items:center;justify-content:center;min-height:100vh}.fd-login__card{width:340px;padding:28px;background:#fff;border:1px solid var(--fd-border);border-radius:12px;box-shadow:0 8px 24px #1f293714}.fd-login__card h1{margin:0 0 18px;font-size:18px}.fd-login__error{color:var(--fd-danger);font-size:13px}