:root{color-scheme:light;--ink:#17252d;--muted:#627581;--line:#dfe6e9;--green:#087f64;--green-light:#e4f5ef;--background:#f2f5f7;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--background)}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.55;cursor:wait}input,select{min-width:0;border:1px solid #ccd6dc;border-radius:8px;padding:10px 12px;background:white;color:var(--ink)}input:focus,select:focus,button:focus-visible{outline:3px solid #78c7b3;outline-offset:2px}button{border:0;border-radius:8px;padding:9px 14px;font-weight:600}button:hover{filter:brightness(.96)}button.primary{background:var(--green);color:white}button.secondary{border:1px solid var(--line);background:white;color:#3a545f;font-size:.875rem}h1,h2,p{margin:0}[hidden]{display:none!important}.muted{color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.login-page{min-height:100dvh;display:grid;place-items:center;padding:32px;background:radial-gradient(ellipse at top left,#dcefe8,transparent 55%),#edf2f4}.login-card{width:100%;max-width:420px;background:#fff;border:1px solid #e2e9ec;padding:40px;border-radius:20px;box-shadow:0 20px 80px #17382f12}.brand-mark{display:grid;place-items:center;width:56px;height:56px;background:var(--green);color:#fff;border-radius:15px;font-size:1.625rem;font-weight:700}.eyebrow{color:var(--green);font-size:.875rem;margin-top:28px;letter-spacing:.08em}.login-card h1{font-size:2rem;margin:6px 0 12px;letter-spacing:.03em}.login-card .muted{font-size:.9375rem}.login-card form{display:grid;gap:10px;margin-top:30px}.login-card label{font-size:.875rem;margin-top:8px;font-weight:600}.login-card input{padding:12px}.login-card .primary{margin-top:12px;padding:12px}.error{font-size:.875rem;color:#ad2632;min-height:20px;line-height:1.5}.login-foot{margin-top:25px;padding-top:20px;border-top:1px solid var(--line);font-size:.8125rem;color:var(--muted)}
.workspace{height:100dvh;display:flex;flex-direction:column;min-height:0}.topbar{height:72px;flex-shrink:0;display:flex;justify-content:space-between;align-items:center;padding:0 26px;background:#132b34;color:white;gap:14px}.brand{display:flex;gap:12px;align-items:center}.brand-mark.small{width:38px;height:38px;border-radius:10px;font-size:1.125rem;background:#32977e}.brand strong{font-size:1.0625rem;letter-spacing:.06em}.brand div>span{display:block;font-size:.75rem;color:#bdd1d8;margin-top:3px}.readonly{font-size:.75rem;border:1px solid #426069;border-radius:5px;padding:3px 7px;color:#c4e8df;margin-left:6px}.top-actions{display:flex;align-items:center;gap:10px}.top-count{font-size:.8125rem;color:#bdd1d8;margin-right:10px}.top-button{background:#26434c;color:#e8f2f5;font-size:.8125rem;padding:8px 12px}.workspace-body{display:flex;flex:1;min-height:0}.sidebar{width:302px;flex-shrink:0;display:flex;flex-direction:column;background:white;border-right:1px solid var(--line);min-height:0}.sidebar-head{display:flex;align-items:center;justify-content:space-between;padding:25px 20px 15px}.sidebar-head h2{font-size:1rem}.sidebar-head span{font-size:.8125rem;color:var(--muted)}.chat-search{margin:0 16px;font-size:.875rem;background:#f7f9fa}.chat-tabs{display:flex;padding:15px 16px 10px;gap:5px}.chat-tabs button{flex:1;padding:7px;font-size:.8125rem;background:transparent;color:var(--muted)}.chat-tabs .active{background:var(--green-light);color:#07634d}.chat-list{overflow-y:auto;min-height:0;flex:1;padding:4px 8px 12px}.chat-item{border:1px solid transparent;display:flex;gap:11px;text-align:left;width:100%;padding:13px 10px;background:transparent;margin:3px 0;border-radius:10px;align-items:flex-start}.chat-item:hover{background:#f4f7f8}.chat-item.selected{background:#e9f4ef;border-color:#cde6db}.chat-avatar{width:38px;height:38px;flex-shrink:0;border-radius:11px;display:grid;place-items:center;color:#3e6470;background:#e9f0f3;font-size:.9375rem;font-weight:600}.chat-item.selected .chat-avatar{background:#c9e6d9;color:#246849}.chat-copy{flex:1;min-width:0}.chat-title{font-size:.875rem;line-height:1.5;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-weight:600}.chat-meta{display:flex;justify-content:space-between;color:#738691;font-size:.75rem;font-weight:400;margin-top:5px}.chat-preview{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:.8125rem;color:#647985;font-weight:400;margin-top:5px}.sidebar-footer{padding:14px 18px;border-top:1px solid var(--line);font-size:.75rem;color:var(--muted);display:flex;flex-direction:column;gap:6px;line-height:1.5}.load-more{margin:4px 16px 12px;background:#f3f6f7;color:var(--muted);font-size:.8125rem}
.conversation{flex:1;min-width:0;display:flex;flex-direction:column;min-height:0}.conversation-head{display:flex;align-items:center;gap:12px;padding:20px 28px;background:white;border-bottom:1px solid var(--line);min-height:88px}.conversation-head>div{flex:1;min-width:0}.conversation-head h1{font-size:1.125rem;line-height:1.6;overflow-wrap:anywhere}.conversation-head p{font-size:.8125rem;color:var(--muted);margin-top:3px;line-height:1.5}.search-panel{padding:18px 28px 15px;background:#fff;border-bottom:1px solid var(--line)}.search-line{display:flex;gap:8px}.search-line input{flex:1;background:#f8fafb;font-size:.9375rem}.search-line button{white-space:nowrap;font-size:.875rem}.filters{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px}.filters label{display:flex;align-items:center;gap:7px;font-size:.8125rem;color:var(--muted)}.filters input,.filters select{font-size:.8125rem;padding:6px 8px;border-radius:6px;max-width:148px}.filters #sender{width:100px}.filters select{max-width:122px}.coverage{color:#826127;background:#faf3e6;border-bottom:1px solid #ecdfc6;padding:9px 28px;font-size:.8125rem;line-height:1.6}.message-notice{font-size:.8125rem;color:var(--muted);padding:0 28px;background:#eef3f5;line-height:1.6}.message-notice:not(:empty){padding-top:9px;padding-bottom:9px}.message-notice.problem{color:#a62837;background:#fff0f0}.messages{min-height:0;flex:1;overflow-y:auto;padding:20px 32px 32px;scroll-behavior:auto}.day-divider{text-align:center;font-size:.75rem;color:#71848c;margin:10px 0 24px}.message{display:flex;gap:11px;max-width:880px;margin:0 0 23px}.message-avatar{width:34px;height:34px;display:grid;place-items:center;background:#dce7ed;color:#406172;border:1px solid #d0dde4;border-radius:9px;flex-shrink:0;font-weight:600;font-size:.875rem}.message-main{min-width:0;max-width:calc(100% - 45px)}.message-meta{display:flex;align-items:baseline;flex-wrap:wrap;gap:10px;line-height:1.5;margin-bottom:6px}.sender-name{font-size:.8125rem;font-weight:600;color:#4b6470}.message-time{font-size:.75rem;color:#7a8e99}.bubble{background:white;border:1px solid #e0e7eb;border-radius:0 12px 12px 12px;padding:12px 15px;font-size:1rem;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere;box-shadow:0 2px 3px #102b3903}.message.self{margin-left:auto;flex-direction:row-reverse}.message.self .message-meta{justify-content:flex-end}.message.self .bubble{background:#dff0e5;border-color:#cfe5d8;border-radius:12px 0 12px 12px}.message.self .message-avatar{background:#c1e1ce;color:#316b47;border-color:#afd5bd}.media-marker{display:flex;align-items:center;gap:12px;min-width:190px;padding:6px 4px}.media-symbol{width:36px;height:36px;border:1px solid #cfdbdf;border-radius:8px;display:grid;place-items:center;background:#f3f7f8;color:#66808b;font-size:1.125rem}.media-description{display:block;font-size:.75rem;color:#6d858f;font-weight:400;line-height:1.5}.media-label{font-size:.9375rem;font-weight:600}.result-card{background:white;border:1px solid var(--line);border-radius:11px;padding:16px 18px;margin-bottom:13px;max-width:1000px}.result-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:12px}.result-chat{font-size:.875rem;font-weight:600;color:#176953}.result-content{font-size:1rem;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.context-button{color:var(--green);background:#eaf5f1;font-size:.75rem;padding:5px 9px;white-space:nowrap}.result-card .message-meta{margin-top:10px;margin-bottom:0}.target-message .bubble{outline:2px solid #d29e30;outline-offset:3px}mark{background:#ffdf86;color:inherit;border-radius:2px}.empty{display:grid;place-content:center;text-align:center;min-height:220px;color:var(--muted);gap:10px;padding:20px}.empty strong{font-size:1rem;color:#45616e}.empty p{font-size:.875rem;line-height:1.8}.conversation-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 28px;background:white;border-top:1px solid var(--line);min-height:57px}.conversation-footer>span{font-size:.8125rem;color:var(--muted)}.back-button{display:none}
.sync-feedback{padding:8px 28px;background:#eef6f2;color:#416856;font-size:.75rem;line-height:1.6;border-bottom:1px solid #dae9e1;flex-shrink:0}
@media(min-width:1600px){.sidebar{width:335px}.messages{padding-left:50px;padding-right:50px}.search-panel,.conversation-head{padding-left:36px;padding-right:36px}}
@media(max-width:1000px){.sidebar{width:250px}.top-count{display:none}.filters{gap:9px}.filters label{flex-direction:column;align-items:flex-start;gap:4px}.messages{padding:18px}.conversation-head,.search-panel{padding-left:18px;padding-right:18px}.filters input,.filters select{max-width:125px}.coverage{padding-left:18px;padding-right:18px}}
@media(max-width:700px){.topbar{height:64px;padding:0 14px}.readonly{display:none}.top-actions{gap:6px}.top-button{padding:7px 9px}.brand div>span{display:none}.brand strong{font-size:1rem}.sidebar{width:100%;border:0}.conversation{display:none}.workspace.show-chat .sidebar{display:none}.workspace.show-chat .conversation{display:flex}.back-button{display:block;font-size:1.75rem;background:transparent;color:var(--green);padding:0 8px 0 0}.conversation-head{padding:14px;min-height:78px}.conversation-head h1{font-size:1rem}.conversation-head .secondary{font-size:.75rem;padding:7px}.search-panel{padding:12px 14px}.search-line{gap:5px}.search-line button{padding:8px 10px;font-size:.8125rem}.search-line input{font-size:.875rem;padding:9px}.filters{gap:8px}.filters label{font-size:.75rem}.filters input,.filters select{font-size:.75rem;padding:5px;max-width:125px}.filters #sender{width:82px}.coverage,.message-notice{padding-left:14px;padding-right:14px;font-size:.75rem}.messages{padding:16px 14px}.message{gap:8px}.message-avatar{width:28px;height:28px;font-size:.75rem}.message-main{max-width:calc(100% - 36px)}.bubble{padding:9px 12px}.conversation-footer{padding:10px 14px}.conversation-footer>span{font-size:.75rem}.login-page{padding:20px}.login-card{padding:30px}.result-card{padding:13px}.media-marker{min-width:165px}}