:root{--brand: #1a73e8;--brand-dark: #1558b0;--bg: #f0f2f5;--text: #222;--muted: #888;--border: #ddd}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.login-wrap{min-height:100%;display:flex;align-items:center;justify-content:center}.login-card{background:#fff;border-radius:12px;box-shadow:0 4px 20px #0000001a;padding:40px 36px;width:100%;max-width:380px}.login-logo{text-align:center;margin-bottom:32px}.login-logo svg{color:var(--brand)}.login-logo h1{font-size:22px;font-weight:700;margin-top:10px}.login-logo p{font-size:13px;color:var(--muted);margin-top:4px}.login-card label{display:block;font-size:13px;font-weight:500;color:#555;margin-bottom:6px;margin-top:16px}.login-card input{width:100%;border:1px solid var(--border);border-radius:8px;padding:10px 14px;font-size:14px;outline:none;transition:border-color .15s}.login-card input:focus{border-color:var(--brand)}.login-error{background:#fdecea;color:#c62828;border-radius:6px;padding:10px 14px;font-size:13px;margin-bottom:4px}.login-card button{width:100%;background:var(--brand);color:#fff;border:none;border-radius:8px;padding:11px;font-size:15px;font-weight:600;cursor:pointer;margin-top:24px;transition:background .15s}.login-card button:hover:not(:disabled){background:var(--brand-dark)}.login-card button:disabled{opacity:.6;cursor:default}.app-loading{display:flex;align-items:center;justify-content:center;height:100%;color:var(--muted)}.app-shell{display:flex;flex-direction:column;height:100%}.app-header{display:flex;align-items:center;gap:24px;padding:0 20px;height:56px;background:#fff;border-bottom:1px solid #e5e7eb;flex:0 0 auto}.app-brand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--brand)}.app-nav{display:flex;gap:16px}.app-nav a{text-decoration:none;color:#555;font-size:14px;font-weight:500;padding:6px 4px;border-bottom:2px solid transparent}.app-nav a.active{color:var(--brand);border-bottom-color:var(--brand)}.app-user{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:14px}.app-avatar{width:28px;height:28px;border-radius:50%;object-fit:cover}.settings-menu{position:relative}.gear-btn{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--border);border-radius:8px;background:none;color:#555;cursor:pointer}.gear-btn:hover{background:#f5f5f5;color:var(--brand)}.settings-dropdown{position:absolute;top:calc(100% + 8px);right:0;z-index:30;min-width:200px;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px #0000001f;padding:6px}.settings-group{padding:6px}.settings-group+.settings-group{border-top:1px solid #eee}.settings-group-title{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:2px 6px 6px}.settings-radio{display:flex;align-items:center;gap:8px;padding:5px 6px;font-size:14px;color:#333;cursor:pointer;border-radius:6px}.settings-radio:hover{background:#f5f5f5}.settings-link{display:block;padding:6px;font-size:14px;color:#333;text-decoration:none;border-radius:6px}.settings-link:hover{background:#f5f5f5}.settings-link.active{color:var(--brand);font-weight:600}.btn-ghost{background:none;border:1px solid var(--border);border-radius:8px;padding:6px 12px;font-size:13px;cursor:pointer;color:#555}.btn-ghost:hover{background:#f5f5f5}.app-main{flex:1 1 auto;overflow:auto}.placeholder{padding:40px;color:var(--muted)}.placeholder h2{color:var(--text);margin-bottom:8px}.inbox{display:flex;height:100%}.conv-list{flex:0 0 320px;border-right:1px solid #e5e7eb;background:#fff;display:flex;flex-direction:column;min-height:0;min-width:0;overflow:hidden}.conv-list-header{padding:14px 16px;font-weight:700;font-size:15px;border-bottom:1px solid #eee;flex:0 0 auto}.conv-scroll{overflow-y:auto;flex:1 1 auto}.conv-empty{padding:24px 16px;color:var(--muted);font-size:14px}.conv-more{padding:12px 16px;color:var(--muted);font-size:13px;text-align:center}.conv-item{display:flex;gap:12px;width:100%;text-align:left;background:none;border:none;border-bottom:1px solid #f2f2f2;padding:12px 16px;cursor:pointer}.conv-item:hover{background:#f7f9fc}.conv-item.active{background:#eaf1fd}.conv-avatar{flex:0 0 40px;width:40px;height:40px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600}.conv-text{flex:1 1 auto;min-width:0}.conv-row{display:flex;justify-content:space-between;gap:8px}.conv-title{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.conv-time{flex:0 0 auto;font-size:12px;color:var(--muted)}.conv-preview{font-size:13px;color:#555;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.conv-sub{font-size:12px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thread-pane{flex:1 1 auto;display:flex;flex-direction:column;min-width:0;min-height:0}.thread-empty{margin:auto;color:var(--muted);font-size:14px;padding:40px;text-align:center;max-width:420px}.thread{display:flex;flex-direction:column;height:100%;min-height:0;min-width:0}.thread-header{flex:0 0 auto;padding:14px 20px;border-bottom:1px solid #eee;background:#fff;display:flex;flex-direction:column}.thread-title{font-weight:700;overflow-wrap:anywhere}.thread-sub{font-size:12px;color:var(--muted);overflow-wrap:anywhere}.thread-messages{flex:1 1 auto;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:8px}.msg{display:flex}.msg.outbound{justify-content:flex-end}.bubble{max-width:70%;padding:8px 12px;border-radius:14px;font-size:14px;line-height:1.4}.msg.inbound .bubble{background:#fff;border:1px solid #e5e7eb;border-bottom-left-radius:4px}.msg.outbound .bubble{background:var(--brand);color:#fff;border-bottom-right-radius:4px}.msg-body{white-space:pre-wrap;word-break:break-word}.msg-media{display:block;max-width:240px;border-radius:8px;margin-top:6px}.msg-meta{font-size:11px;margin-top:4px;opacity:.7}.composer{flex:0 0 auto;display:flex;gap:10px;padding:12px 16px;border-top:1px solid #eee;background:#fff}.composer textarea{flex:1 1 auto;resize:none;border:1px solid var(--border);border-radius:18px;padding:10px 14px;font-size:14px;font-family:inherit;max-height:120px;outline:none}.composer textarea:focus{border-color:var(--brand)}.composer button{flex:0 0 auto;align-self:flex-end;background:var(--brand);color:#fff;border:none;border-radius:18px;padding:10px 20px;font-weight:600;font-size:14px;cursor:pointer}.composer button:disabled{opacity:.5;cursor:default}.app-user-link{display:flex;align-items:center;gap:8px;text-decoration:none;color:inherit}.page{max-width:920px;margin:0 auto;padding:28px 24px}.page-title{font-size:20px;margin-bottom:4px}.page-sub{color:var(--muted);font-size:13px;margin-bottom:16px}.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:20px;margin-bottom:20px}.card-title{font-size:15px;font-weight:600;margin-bottom:12px}.form-card label{display:block;font-size:13px;font-weight:500;color:#555;margin:14px 0 6px}.form-card input,.grid-form input,.grid-form select,.inline-form input,.edit-row input,.edit-row select{border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-size:14px;font-family:inherit;outline:none}.form-card input{width:100%}.form-card input:focus,.grid-form input:focus,.inline-form input:focus{border-color:var(--brand)}.form-error{background:#fdecea;color:#c62828;border-radius:6px;padding:8px 12px;font-size:13px;margin-bottom:10px}.form-ok{background:#e8f5e9;color:#2e7d32;border-radius:6px;padding:8px 12px;font-size:13px;margin-bottom:10px}.inline-form{display:flex;gap:10px}.inline-form input{flex:1 1 auto}.grid-form{display:grid;grid-template-columns:1fr 1fr 1fr auto auto;gap:10px;align-items:center}.btn-primary{background:var(--brand);color:#fff;border:none;border-radius:8px;padding:9px 18px;font-size:14px;font-weight:600;cursor:pointer}.btn-primary:disabled{opacity:.5;cursor:default}.btn-danger{background:none;border:1px solid #f1c4c0;color:#c62828;border-radius:8px;padding:6px 12px;font-size:13px;cursor:pointer}.btn-danger:hover{background:#fdecea}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);padding:8px 10px;border-bottom:1px solid #eee}.data-table td{padding:10px;border-bottom:1px solid #f2f2f2;vertical-align:middle}.row-avatar{width:32px;height:32px;border-radius:50%;object-fit:cover;display:block}.row-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;cursor:pointer}.badge{display:inline-block;background:#eef2f7;color:#445;border-radius:20px;padding:2px 10px;font-size:12px;font-weight:500}.badge-ok{background:#e8f5e9;color:#2e7d32}.badge-off{background:#fdecea;color:#c62828}.you-tag{margin-left:6px;font-size:11px;color:var(--brand)}.check{display:inline-flex;align-items:center;gap:6px;font-size:13px}.pw-input{width:130px}.edit-row{background:#f7f9fc}.profile-head{display:flex;gap:16px;align-items:center;margin-bottom:12px}.profile-avatar{width:56px;height:56px;border-radius:50%;object-fit:cover}.profile-name{font-weight:600}.profile-email{color:var(--muted);font-size:13px;margin-bottom:4px}.section-title{font-size:15px;font-weight:700;margin:4px 0 10px}.card-title .badge{margin-left:8px;vertical-align:middle}.hint{color:var(--muted);font-size:12px;font-weight:400}.form-card select,.form-card input[type=number]{width:100%;border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-size:14px;font-family:inherit;outline:none}.form-card .check{margin-top:6px}.form-card .btn-primary{margin-top:18px}.conv-list-header{display:flex;flex-direction:column;gap:8px}.portal-select{border:1px solid var(--border);border-radius:8px;padding:7px 10px;font-size:13px;font-family:inherit;outline:none}.conv-tools{display:flex;gap:8px;align-items:center}.conv-search{flex:1 1 auto;border:1px solid var(--border);border-radius:8px;padding:8px 12px;font-size:13px;outline:none}.conv-search:focus{border-color:var(--brand)}.new-btn{flex:0 0 auto;padding:8px 12px}.conv-item{position:relative}.conv-badge{position:absolute;top:12px;right:12px;min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:#e53935;color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}.mute-dot{font-size:11px;margin-right:4px}.thread-header{flex-direction:row;align-items:center;justify-content:space-between}.thread-headtext{display:flex;flex-direction:column;min-width:0}.thread-actions{display:flex;gap:8px;flex-wrap:wrap}.composer{flex-direction:column;align-items:stretch;gap:8px}.composer-row{display:flex;gap:10px;align-items:flex-end}.composer-row textarea{flex:1 1 auto;resize:none;border:1px solid var(--border);border-radius:18px;padding:10px 14px;font-size:14px;font-family:inherit;max-height:120px;outline:none}.composer-attach{flex:0 0 auto;align-self:flex-end;background:none;border:1px solid var(--border);border-radius:50%;width:38px;height:38px;font-size:16px;cursor:pointer}.composer-previews{display:flex;flex-wrap:wrap;gap:6px}.composer-chip{background:#eef2f7;border-radius:14px;padding:3px 6px 3px 10px;font-size:12px;display:inline-flex;align-items:center;gap:4px}.composer-chip button{background:none;border:none;cursor:pointer;font-size:14px;color:#777}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:#fff;border-radius:12px;padding:24px;width:100%;max-width:420px;box-shadow:0 10px 40px #0003}.modal label{display:block;font-size:13px;font-weight:500;color:#555;margin:14px 0 6px}.modal input,.modal select,.modal textarea{width:100%;border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-size:14px;font-family:inherit;outline:none}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.subcard{border:1px solid #eee;border-radius:10px;padding:16px;margin-top:12px;background:#fafbfc}.subcard-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.grid-2 label{display:block;font-size:12px;font-weight:500;color:#666;margin-bottom:4px}.grid-2 input,.grid-2 select{width:100%;border:1px solid var(--border);border-radius:8px;padding:8px 10px;font-size:13px;font-family:inherit;outline:none}.subcard-actions{display:flex;gap:10px;align-items:center;margin-top:12px}.filters-form{grid-template-columns:1fr 1fr auto}.badge-btn{background:none;border:none;cursor:pointer;padding:0}.kv{display:flex;gap:12px;padding:6px 0;border-bottom:1px solid #f2f2f2}.kv-k{flex:0 0 160px;color:var(--muted);font-size:13px}.data-table select{border:1px solid var(--border);border-radius:6px;padding:5px 8px;font-size:13px;font-family:inherit}.avatar-btn{margin-top:8px}