/* 溯本助手：右下角悬浮按钮 + 右侧对话抽屉（2026-10-17） */
.ea-fab{position:fixed;right:22px;bottom:84px;z-index:18;display:inline-flex;align-items:center;gap:8px;border:0;border-radius:999px;padding:11px 16px 11px 12px;background:#102a43;color:#fff;font-size:13px;font-weight:700;box-shadow:0 10px 28px #0b26394a;transition:transform .15s,box-shadow .15s}
.ea-fab:hover{transform:translateY(-1px);box-shadow:0 14px 32px #0b263955}
.ea-fab .ea-mark{width:26px;height:26px;border-radius:8px;background:#00a991;display:grid;place-items:center;font-size:15px;font-weight:800}
.ea-fab.is-hidden,.ea-drawer.is-hidden{display:none}
.ea-drawer{position:fixed;top:0;right:0;bottom:0;z-index:19;width:min(440px,100vw);background:#fff;box-shadow:-18px 0 50px #0a233a2e;display:flex;flex-direction:column;transform:translateX(104%);transition:transform .22s ease;border-left:1px solid #e3eaee}
.ea-drawer:not(.is-open){visibility:hidden;transition:transform .22s ease,visibility 0s .22s}
.ea-drawer.is-open{transform:translateX(0)}
.ea-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 16px;border-bottom:1px solid #e8eef1;background:#fff}
.ea-title{display:flex;align-items:center;gap:10px;min-width:0}
.ea-title .ea-mark{width:34px;height:34px;border-radius:10px;background:#00a991;color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;flex:none}
.ea-title strong{display:block;font-size:15px;color:#142c40}
.ea-title small{display:block;font-size:11px;color:#5f7280;margin-top:2px}
.ea-head-actions{display:flex;gap:6px;flex:none}
.ea-head-actions button{border:1px solid #dce7eb;background:#fff;color:#2a4658;border-radius:8px;padding:6px 10px;font-size:12px;font-weight:600;min-height:30px}
.ea-head-actions button:hover{border-color:#00a991;color:#007e70}
.ea-head-actions .ea-close{width:30px;padding:0;font-size:18px;line-height:1;color:#6e8190}
.ea-history{border-bottom:1px solid #e8eef1;background:#f7fafb;max-height:40vh;overflow:auto;padding:8px}
.ea-history-item{display:flex;justify-content:space-between;align-items:center;gap:8px;width:100%;text-align:left;border:0;background:transparent;border-radius:8px;padding:9px 10px;font-size:12px;color:#2b485c}
.ea-history-item:hover,.ea-history-item.is-current{background:#e6f6f2;color:#0a7a68}
.ea-history-item small{color:#5f7280;flex:none;font-size:11px}
.ea-history-item .ea-dot{width:7px;height:7px;border-radius:50%;background:#eb9a3c;flex:none}
.ea-history-empty{padding:14px;text-align:center;color:#91a0ab;font-size:12px}
.ea-body{position:relative;flex:1;overflow-y:auto;padding:16px 16px 8px;background:#f4f7f9;display:flex;flex-direction:column;gap:12px;overscroll-behavior:contain}
.ea-welcome{background:#fff;border:1px solid #e4ebef;border-radius:13px;padding:18px 16px;font-size:13px;color:#2b485c;line-height:1.7}
.ea-welcome h3{margin:0 0 6px;font-size:15px;color:#142c40}
.ea-welcome p{margin:0 0 12px;color:#617789;font-size:12px}
.ea-suggest{display:flex;flex-direction:column;gap:8px}
.ea-suggest button{text-align:left;border:1px solid #d9e7ea;background:#f8fbfb;color:#1f4a5a;border-radius:9px;padding:9px 12px;font-size:12px;font-weight:600}
.ea-suggest button:hover{border-color:#00a991;background:#eefaf7;color:#007e70}
.ea-notice{background:#fff8e9;border:1px solid #f6e2ad;color:#906517;padding:10px 12px;border-radius:8px;font-size:12px;line-height:1.6}
.ea-notice.is-error{background:#fff0f1;border-color:#f0cbd0;color:#b53742}
.ea-msg{display:flex;flex-direction:column;max-width:92%;gap:6px}
.ea-msg.user{align-self:flex-end;align-items:flex-end}
.ea-msg.assistant{align-self:flex-start;align-items:flex-start;max-width:100%}
.ea-bubble{border-radius:14px;padding:10px 13px;font-size:13px;line-height:1.7;word-break:break-word;white-space:normal}
.ea-msg.user .ea-bubble{background:#102a43;color:#fff;border-bottom-right-radius:4px;white-space:pre-wrap}
.ea-msg.assistant .ea-bubble{background:#fff;color:#1f3545;border:1px solid #e4ebef;border-bottom-left-radius:4px;width:100%}
.ea-bubble p{margin:0 0 8px}.ea-bubble p:last-child{margin-bottom:0}
.ea-bubble ul,.ea-bubble ol{margin:0 0 8px;padding-left:20px}.ea-bubble li{margin:2px 0}
.ea-bubble .ea-h{font-weight:700;color:#142c40;margin:4px 0 6px}
.ea-bubble .ea-table-wrap{overflow-x:auto;margin:4px 0 8px}
.ea-bubble table{border-collapse:collapse;font-size:12px;min-width:100%}
.ea-bubble th,.ea-bubble td{border:1px solid #e3eaee;padding:5px 8px;text-align:left;white-space:nowrap}
.ea-bubble th{background:#f7fafb;color:#6e8190;font-weight:600}
.ea-bubble code{background:#eef3f5;border-radius:4px;padding:1px 5px;font-size:12px}
.ea-link{border:0;background:#e6f6f2;color:#0a7a68;border-radius:6px;padding:1px 7px;font-weight:700;font-size:12px;cursor:pointer;vertical-align:baseline}
.ea-link:hover{background:#d2efe7;text-decoration:underline}
.ea-time{font-size:11px;color:#5f7280;padding:0 4px}
.ea-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ea-bubble pre{background:#f3f6f8;border:1px solid #e3eaee;border-radius:8px;padding:8px 10px;overflow-x:auto;font-size:12px;margin:0 0 8px}.ea-bubble pre code{background:none;padding:0}
.ea-files{display:flex;flex-wrap:wrap;gap:6px}
.ea-file{display:inline-flex;align-items:center;gap:5px;border:1px solid #dce7eb;background:#fff;color:#2a4658;border-radius:7px;padding:4px 8px;font-size:11px;font-weight:600;max-width:100%}
.ea-file span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:200px}
.ea-file:hover{border-color:#00a991;color:#007e70}
.ea-file .ea-file-remove{border:0;background:transparent;color:#8fa0ab;font-size:14px;line-height:1;padding:0 2px;cursor:pointer}
.ea-file .ea-file-remove:hover{color:#c74249}
.ea-typing{align-self:flex-start;background:#fff;border:1px solid #e4ebef;border-radius:14px;border-bottom-left-radius:4px;padding:10px 14px;font-size:12px;color:#617789;display:inline-flex;align-items:center;gap:8px}
.ea-typing i{width:6px;height:6px;border-radius:50%;background:#00a991;display:inline-block;animation:ea-blink 1.2s infinite}
.ea-typing i:nth-child(2){animation-delay:.2s}.ea-typing i:nth-child(3){animation-delay:.4s}
@keyframes ea-blink{0%,80%,100%{opacity:.25}40%{opacity:1}}
.ea-action{margin-top:4px;border:1px solid #f0d9a6;background:#fffaf0;border-radius:12px;padding:12px 13px;font-size:12px;color:#5a4a26;width:100%}
.ea-action.executed{border-color:#c6ece0;background:#f0fbf7;color:#19604f}
.ea-action.failed{border-color:#f0cbd0;background:#fff3f4;color:#9a3540}
.ea-action.cancelled,.ea-action.stale{border-color:#e3eaee;background:#f7f9fa;color:#7a8a95}
.ea-action.unknown,.ea-action.executing{border-color:#f6e2ad;background:#fffaf0;color:#5a4a26}
.ea-action-target{font-size:11px;color:#6f6040;margin:-4px 0 8px;word-break:break-all}
.ea-action-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.ea-action-badge{display:inline-flex;align-items:center;border-radius:6px;padding:2px 7px;font-size:11px;font-weight:700;background:#f6e2ad;color:#7a5a10}
.ea-action.executed .ea-action-badge{background:#c6ece0;color:#0f6b58}
.ea-action.failed .ea-action-badge{background:#f6c9ce;color:#8e2b36}
.ea-action.cancelled .ea-action-badge,.ea-action.stale .ea-action-badge{background:#e3eaee;color:#6b7c88}
.ea-action-head strong{font-size:13px;color:inherit}
.ea-action-summary{margin:0 0 8px;font-size:13px;line-height:1.6;color:#2b2f33}
.ea-action details{margin:0 0 8px}
.ea-action summary{cursor:pointer;font-size:11px;color:#7a6a40;font-weight:600}
.ea-action dl{margin:8px 0 0;display:grid;grid-template-columns:auto 1fr;gap:4px 10px;font-size:11px;background:#fff;border:1px solid #efe7d2;border-radius:8px;padding:8px 10px}
.ea-action dt{color:#8a7b55;white-space:nowrap}.ea-action dd{margin:0;color:#2b2f33;word-break:break-all}
.ea-action-buttons{display:flex;gap:8px}
.ea-btn{border:1px solid #d8e3e8;background:#fff;color:#2a4658;padding:7px 14px;border-radius:8px;font-weight:700;font-size:12px;min-height:32px}
.ea-btn.primary{border-color:#009f8d;background:#009f8d;color:#fff}
.ea-btn.primary:hover{background:#008574}
.ea-btn:disabled{opacity:.55;cursor:not-allowed}
.ea-action-result{font-size:12px;line-height:1.6}
.ea-compose{border-top:1px solid #e8eef1;background:#fff;padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px))}
.ea-compose .ea-files{margin-bottom:8px}
.ea-compose-row{display:flex;align-items:flex-end;gap:8px}
.ea-attach{flex:none;width:36px;height:36px;border:1px solid #dce7eb;border-radius:9px;display:grid;place-items:center;cursor:pointer;color:#4b6576;font-size:16px;background:#fff}
.ea-attach:hover,.ea-attach:focus-visible{border-color:#00a991;color:#007e70;outline:2px solid #0ca98b40}
.ea-attach input{display:none}
.ea-compose textarea{flex:1;min-height:38px;max-height:160px;resize:none;border:1px solid #dce7eb;border-radius:10px;padding:9px 11px;font-size:13px;line-height:1.5;color:#1f3545;background:#fff}
.ea-send{flex:none;min-height:36px;padding:0 14px;border-radius:9px;border:1px solid #009f8d;background:#009f8d;color:#fff;font-weight:700;font-size:12px}
.ea-send:disabled{opacity:.55;cursor:not-allowed}
.ea-hint{margin-top:6px;font-size:11px;color:#5f7280;line-height:1.5}
/* 抽屉打开时把全局提示挪开，不遮住输入区 */
body.ea-drawer-open .toast{right:calc(min(440px,100vw) + 24px)}
@media(max-width:720px){.ea-drawer{width:100vw;border-left:0}.ea-msg{max-width:96%}body.ea-drawer-open .toast{right:12px;left:12px;bottom:calc(118px + env(safe-area-inset-bottom,0px))}}
@media(max-width:620px){.ea-fab{right:12px;bottom:calc(74px + env(safe-area-inset-bottom,0px));padding:10px 13px 10px 10px;font-size:12px}}
@media print{.ea-fab,.ea-drawer{display:none!important}}