:root{--brand: #2f6df6;--brand-hover: #2559d4;--brand-soft: #eaf1ff;--brand-contrast: #ffffff;--bg: #f7f8fa;--surface: #ffffff;--surface-2: #f2f4f7;--surface-3: #e9ecf1;--text: #16191f;--text-2: #5a6472;--text-3: #8b95a5;--border: #e3e7ed;--border-strong: #cfd6e0;--danger: #d8453c;--danger-soft: #fdeceb;--success: #1d9a68;--success-soft: #e8f6ef;--warning: #b47210;--warning-soft: #fdf3e2;--bubble-in: #f0f2f5;--bubble-in-text: #16191f;--r-sm: 6px;--r-md: 8px;--r-lg: 10px;--r-xl: 14px;--r-full: 999px;--shadow-pop: 0 6px 24px rgba(16, 24, 40, .12), 0 1px 2px rgba(16, 24, 40, .06);--shadow-menu: 0 8px 28px rgba(16, 24, 40, .14);--rail-w: 60px;--list-w: 340px;--bar-h: 60px;--font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif}[data-theme=dark]{--brand: #5b8cff;--brand-hover: #7ba3ff;--brand-soft: #1c2740;--brand-contrast: #0b0d12;--bg: #0d1016;--surface: #14181f;--surface-2: #1a1f28;--surface-3: #232935;--text: #e7eaf0;--text-2: #9aa4b4;--text-3: #6c7789;--border: #242a35;--border-strong: #333b49;--danger: #f26b62;--danger-soft: #2c1a1a;--success: #45c08c;--success-soft: #14261f;--warning: #d99b3c;--warning-soft: #2a2114;--bubble-in: #232935;--bubble-in-text: #e7eaf0;--shadow-pop: 0 6px 24px rgba(0, 0, 0, .5), 0 1px 2px rgba(0, 0, 0, .4);--shadow-menu: 0 8px 28px rgba(0, 0, 0, .55)}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;overflow-x:hidden}html,body,#root{height:100%}body{font-family:var(--font);font-size:14px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none}:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:38px;padding:0 14px;border-radius:var(--r-md);border:1px solid transparent;font-size:15px;font-weight:550;white-space:nowrap;transition:background .12s ease,border-color .12s ease,color .12s ease}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand);color:var(--brand-contrast)}.btn-primary:hover:not(:disabled){background:var(--brand-hover)}.btn-secondary{background:var(--surface);border-color:var(--border-strong);color:var(--text)}.btn-secondary:hover:not(:disabled){background:var(--surface-2)}.btn-ghost{color:var(--text-2)}.btn-ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.btn-danger{background:var(--surface);border-color:var(--border-strong);color:var(--danger)}.btn-danger:hover:not(:disabled){background:var(--danger-soft);border-color:var(--danger)}.btn-sm{height:32px;padding:0 11px;font-size:14px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;min-width:38px;border-radius:var(--r-md);color:var(--text-2);transition:background .12s ease,color .12s ease}.icon-btn:hover{background:var(--surface-2);color:var(--text)}.field{display:flex;flex-direction:column;gap:6px}.label{font-size:13px;font-weight:600;color:var(--text-2);letter-spacing:.01em}.input,.select{width:100%;height:40px;padding:0 11px;font-size:16px;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--r-md);transition:border-color .12s ease,box-shadow .12s ease}.input::placeholder{color:var(--text-3)}.input:focus,.select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:30px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238b95a5' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;cursor:pointer}.pill{display:inline-flex;align-items:center;gap:4px;height:21px;padding:0 8px;border-radius:var(--r-full);font-size:11.5px;font-weight:650;letter-spacing:.02em}.pill-admin{background:var(--brand-soft);color:var(--brand)}.pill-agent{background:var(--surface-3);color:var(--text-2)}.pill-active{background:var(--success-soft);color:var(--success)}.pill-inactive{background:var(--surface-3);color:var(--text-3)}.alert{padding:10px 12px;border-radius:var(--r-md);font-size:13.5px;border:1px solid transparent}.alert-error{background:var(--danger-soft);border-color:var(--danger);color:var(--danger)}.alert-success{background:var(--success-soft);border-color:var(--success);color:var(--success)}.alert-info{background:var(--brand-soft);border-color:var(--brand);color:var(--brand)}.spinner{width:15px;height:15px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;height:100%;padding:40px 24px;text-align:center;color:var(--text-3)}.empty svg{opacity:.5}.empty-title{font-size:15px;font-weight:600;color:var(--text-2)}.empty-sub{font-size:13.5px;max-width:300px}.login-page{display:flex;align-items:center;justify-content:center;min-height:100dvh;padding:24px;background:var(--bg)}.login-card{width:100%;max-width:380px;padding:30px 28px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl)}.login-mark{display:flex;align-items:center;justify-content:center;width:42px;height:42px;margin-bottom:18px;border-radius:var(--r-lg);background:var(--brand);color:var(--brand-contrast)}.login-title{margin:0 0 4px;font-size:21px;font-weight:680;letter-spacing:-.02em}.login-sub{margin:0 0 22px;font-size:14px;color:var(--text-2)}.login-form{display:flex;flex-direction:column;gap:15px}.login-form .btn{height:42px;margin-top:4px}.shell{display:flex;height:100dvh;overflow:hidden}@media (display-mode: standalone),(display-mode: fullscreen){.shell{padding-top:env(safe-area-inset-top);background:var(--surface)}.login-page{padding-top:calc(24px + env(safe-area-inset-top));padding-bottom:calc(24px + env(safe-area-inset-bottom))}}:root[data-standalone=true] .shell{padding-top:env(safe-area-inset-top);background:var(--surface)}:root[data-standalone=true] .login-page{padding-top:calc(24px + env(safe-area-inset-top));padding-bottom:calc(24px + env(safe-area-inset-bottom))}:root[data-standalone=true] .toast-stack{top:calc(14px + env(safe-area-inset-top))}:root[data-standalone=true] .overlay,:root[data-standalone=true] .lightbox{padding-top:calc(20px + env(safe-area-inset-top));padding-bottom:calc(20px + env(safe-area-inset-bottom))}.rail{display:flex;flex-direction:column;align-items:center;gap:6px;flex:0 0 var(--rail-w);width:var(--rail-w);padding:12px 0;background:var(--surface);border-right:1px solid var(--border);z-index:20}.rail-mark{display:flex;align-items:center;justify-content:center;width:34px;height:34px;margin-bottom:10px;border-radius:var(--r-md);background:var(--brand);color:var(--brand-contrast);flex-shrink:0}.rail-link{position:relative;display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:var(--r-md);color:var(--text-3);transition:background .12s ease,color .12s ease}.rail-link:hover{background:var(--surface-2);color:var(--text)}.rail-link.is-active{background:var(--brand-soft);color:var(--brand)}.rail-spacer{flex:1}.rail-badge{position:absolute;top:3px;right:3px;display:flex;align-items:center;justify-content:center;min-width:17px;height:17px;padding:0 4px;border-radius:var(--r-full);background:var(--danger);color:#fff;font-size:11.5px;font-weight:700;line-height:1;border:2px solid var(--surface)}.main{display:flex;flex-direction:column;flex:1;min-width:0;min-height:0}.topbar{display:flex;align-items:center;gap:10px;flex:0 0 auto;height:var(--bar-h);padding:0 16px;background:var(--surface);border-bottom:1px solid var(--border)}.topbar-title{font-size:16.5px;font-weight:650;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-spacer{flex:1}.user-menu{position:relative}.user-trigger{display:flex;align-items:center;gap:8px;height:40px;padding:0 9px 0 5px;border-radius:var(--r-md);transition:background .12s ease}.user-trigger:hover{background:var(--surface-2)}.avatar{display:flex;align-items:center;justify-content:center;width:30px;height:30px;flex-shrink:0;border-radius:var(--r-full);background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700}.user-name{font-size:14.5px;font-weight:600;max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.menu{position:absolute;top:calc(100% + 6px);right:0;z-index:60;min-width:244px;padding:5px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-menu)}.menu-head{padding:8px 10px 9px;border-bottom:1px solid var(--border);margin-bottom:5px}.menu-head-name{font-size:15px;font-weight:650}.menu-head-email{font-size:13px;color:var(--text-3);overflow:hidden;text-overflow:ellipsis}.menu-item{display:flex;align-items:center;gap:9px;width:100%;padding:8px 10px;border-radius:var(--r-sm);font-size:15px;text-align:left;color:var(--text);transition:background .12s 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solid var(--border)}.pane-thread{display:flex;flex-direction:column;flex:1;min-width:0;min-height:0;background:var(--bg)}.search-wrap{flex:0 0 auto;padding:11px 12px;border-bottom:1px solid var(--border)}.search{position:relative;display:flex;align-items:center}.search svg.search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-3);pointer-events:none}.search .input{height:36px;padding-left:34px;padding-right:32px;font-size:15px;border-radius:var(--r-md);background:var(--surface-2);border-color:transparent}.search .input::placeholder{color:var(--text-3)}.search 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var(--brand)}.conv-avatar{display:flex;align-items:center;justify-content:center;width:36px;height:36px;flex-shrink:0;border-radius:var(--r-full);background:var(--surface-3);color:var(--text-2);font-size:14px;font-weight:600;line-height:1}.conv-body{flex:1;min-width:0}.conv-top{display:flex;align-items:baseline;gap:8px}.conv-name{flex:1;min-width:0;font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conv-time{flex-shrink:0;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}.conv-preview{display:flex;align-items:center;gap:7px;margin-top:3px}.conv-snippet{flex:1;min-width:0;font-size:14px;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conv-snippet.is-empty{font-style:italic;color:var(--text-3)}.conv-badge{display:flex;align-items:center;justify-content:center;min-width:19px;height:19px;padding:0 6px;flex-shrink:0;border-radius:var(--r-full);background:var(--danger);color:#fff;font-size:12px;font-weight:700;line-height:1}.conv-meta{display:flex;align-items:center;gap:6px;margin-top:4px;font-size:13px;color:var(--text-3)}.conv-row.is-unread .conv-name,.conv-row.is-unread .conv-snippet{font-weight:680;color:var(--text)}.thread-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex:0 0 auto;height:64px;padding:0 20px;background:var(--surface);border-bottom:1px solid var(--border)}.thread-id{display:flex;flex-direction:column;justify-content:center;gap:2px;flex:1;min-width:0}.thread-name{font-size:17px;font-weight:600;line-height:1.2;letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread-number{font-size:14px;line-height:1.2;color:var(--text-3);font-variant-numeric:tabular-nums}.thread-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:0;scrollbar-gutter:stable both-edges}.msg-list{display:flex;flex-direction:column;align-items:stretch;justify-content:flex-end;min-height:100%;width:100%;max-width:760px;margin:0 auto;padding:24px 20px}.day-sep{display:flex;align-items:center;justify-content:center;margin:14px 0 10px}.day-sep span{padding:3px 11px;border-radius:var(--r-full);background:var(--surface-3);color:var(--text-2);font-size:12.5px;font-weight:600}.bubble.has-tail:after{content:"";position:absolute;bottom:0;width:9px;height:12px}.bubble-in.has-tail{border-bottom-left-radius:var(--r-sm)}.bubble-in.has-tail:after{left:-8px;background:var(--bubble-in);clip-path:polygon(100% 0,100% 100%,0 100%)}.bubble-out.has-tail{border-bottom-right-radius:var(--r-sm)}.bubble-out.has-tail:after{right:-8px;background:var(--brand);clip-path:polygon(0 0,0 100%,100% 100%)}.bubble-failed.has-tail:after{background:var(--danger)}.bubble-skeleton{height:40px;max-width:65%;border-radius:var(--r-xl);background:linear-gradient(90deg,var(--surface-3) 25%,var(--surface-2) 37%,var(--surface-3) 63%);background-size:400% 100%;animation:skeleton 1.3s ease-in-out infinite}.msg-row{display:flex;align-items:flex-end;justify-content:flex-start;gap:8px;margin-top:4px}.msg-row.out{justify-content:flex-end}.msg-row.run-start{margin-top:16px}.msg-list>div:first-child .msg-row{margin-top:0}.msg-avatar,.msg-spacer{width:28px;min-width:28px;height:28px;flex-shrink:0}.msg-avatar{display:flex;align-items:center;justify-content:center;border-radius:var(--r-full);background:var(--surface-3);color:var(--text-2);font-size:12px;font-weight:700;line-height:1;-webkit-user-select:none;user-select:none}[data-theme=dark] .msg-avatar{background:var(--surface-2)}.bubble{width:fit-content;max-width:65%;padding:6px 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.bubble-text{margin-top:6px}.media-image{display:block;position:relative;width:fit-content;max-width:100%;padding:0;border-radius:var(--r-md);overflow:hidden;line-height:0;background:var(--surface-3)}.media-image img{display:block;width:auto;max-width:100%;max-height:360px;object-fit:cover;border-radius:var(--r-md)}.media-stamp{position:absolute;right:6px;bottom:6px;display:inline-flex;align-items:center;padding:2px 7px;border-radius:var(--r-full);background:#080b108c;line-height:1;pointer-events:none}.media-stamp .bubble-meta{float:none;margin-left:0;padding-top:0;color:#fff;opacity:1}.media-skeleton{display:block;width:240px;max-width:100%;height:160px;border-radius:var(--r-md);background:linear-gradient(90deg,var(--surface-3) 25%,var(--surface-2) 37%,var(--surface-3) 63%);background-size:400% 100%;animation:skeleton 1.3s ease-in-out infinite}@keyframes skeleton{0%{background-position:100% 50%}to{background-position:0 50%}}.media-doc{display:flex;align-items:center;gap:10px;min-width:220px;max-width:300px;padding:8px 10px;border-radius:var(--r-md);text-decoration:none;color:inherit;background:var(--surface-3);transition:background .12s ease}.media-doc:hover{background:var(--surface-2)}.media-doc[aria-disabled=true]{opacity:.6;pointer-events:none}.bubble-out .media-doc{background:#ffffff29}.bubble-out .media-doc:hover{background:#ffffff3d}.media-doc-icon{display:flex;align-items:center;justify-content:center;width:34px;height:34px;flex-shrink:0;border-radius:var(--r-sm);background:var(--surface);color:var(--text-2)}.bubble-out 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ease-out}.lightbox-img{max-width:100%;max-height:100%;object-fit:contain;border-radius:var(--r-md)}.lightbox-close{position:absolute;top:16px;right:16px;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--r-full);background:#ffffff24;color:#fff;transition:background .12s ease}.lightbox-close:hover{background:#ffffff42}.reply{flex:0 0 auto;padding:12px 0 calc(12px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--border);overflow:hidden;scrollbar-gutter:stable both-edges}.reply-inner{display:flex;align-items:flex-end;gap:8px;width:100%;max-width:760px;margin:0 auto;padding:0 20px}.reply-attach-btn{display:flex;align-items:center;justify-content:center;width:44px;height:44px;min-width:44px;flex-shrink:0;border-radius:var(--r-md);color:var(--text-2);transition:background .12s ease,color .12s ease}.reply-attach-btn:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.reply-attach-btn:disabled{opacity:.45;cursor:not-allowed}.reply-attach{display:flex;align-items:center;gap:10px;width:calc(100% - 40px);max-width:720px;margin:0 auto 8px;padding:8px 10px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-md)}.reply-attach-thumb{width:40px;height:40px;flex-shrink:0;object-fit:cover;border-radius:var(--r-sm)}.reply-attach-icon{display:flex;align-items:center;justify-content:center;width:40px;height:40px;flex-shrink:0;border-radius:var(--r-sm);background:var(--surface-3);color:var(--text-2)}.reply-attach-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}.reply-attach-name{font-size:15px;font-weight:550;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reply-attach-size{font-size:13px;color:var(--text-3)}.reply-attach-remove{display:flex;align-items:center;justify-content:center;width:28px;height:28px;flex-shrink:0;border-radius:var(--r-sm);color:var(--text-3)}.reply-attach-remove:hover:not(:disabled){background:var(--surface-3);color:var(--text)}.reply-error{display:flex;align-items:center;gap:7px;width:calc(100% - 40px);max-width:720px;margin:0 auto 8px;padding:8px 10px;border-radius:var(--r-md);background:var(--danger-soft);border:1px solid var(--danger);color:var(--danger);font-size:14px}.reply-input{flex:1;min-width:0;min-height:44px;max-height:136px;padding:9px 12px;font-size:16px;line-height:1.45;resize:none;overflow-y:auto;background:var(--surface-2);border:1px solid var(--border-strong);border-radius:var(--r-md);transition:border-color .12s ease,box-shadow .12s ease}.reply-input:focus{outline:none;background:var(--surface);border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.reply-send{display:flex;align-items:center;justify-content:center;width:44px;height:44px;min-width:44px;flex-shrink:0;border-radius:var(--r-full);background:var(--brand);color:var(--brand-contrast);transition:background .12s ease,opacity .12s ease}.reply-send:hover:not(:disabled){background:var(--brand-hover)}.reply-send:disabled{opacity:.4;cursor:not-allowed}.reply-hint{width:calc(100% - 40px);max-width:720px;margin:6px auto 0;font-size:13px;line-height:1.4;text-align:center;color:var(--text-3);background:none}.assign{display:flex;align-items:center;gap:7px;flex-shrink:0}.assign .select{height:32px;min-width:150px;padding:0 26px 0 9px;font-size:14px;color:var(--text-2);background-color:transparent;background-position:right 8px center;border-color:var(--border)}.assign .select:hover:not(:disabled){background-color:var(--surface-2);color:var(--text)}.assign .select:disabled{opacity:.6;cursor:progress}.assign-static{display:flex;align-items:center;gap:6px;height:32px;padding:0 10px;border-radius:var(--r-md);background:var(--surface-2);font-size:14px;color:var(--text-2);white-space:nowrap}.toast-stack{position:fixed;top:14px;right:14px;z-index:200;display:flex;flex-direction:column;gap:9px;width:min(340px,calc(100vw - 28px));pointer-events:none}.toast{display:flex;gap:10px;width:100%;padding:11px 12px;text-align:left;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-pop);pointer-events:auto;animation:toast-in .2s ease-out}.toast:hover{border-color:var(--border-strong)}@keyframes toast-in{0%{opacity:0;transform:translate(14px)}to{opacity:1;transform:none}}.toast-icon{display:flex;align-items:center;justify-content:center;width:30px;height:30px;flex-shrink:0;border-radius:var(--r-full);background:var(--brand-soft);color:var(--brand)}.toast-icon.err{background:var(--danger-soft);color:var(--danger)}.toast-icon.ok{background:var(--success-soft);color:var(--success)}.toast-body{flex:1;min-width:0}.toast-title{font-size:13.5px;font-weight:650;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.toast-text{margin-top:1px;font-size:13px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.toast-close{display:flex;align-items:center;justify-content:center;width:22px;height:22px;flex-shrink:0;border-radius:var(--r-sm);color:var(--text-3)}.toast-close:hover{background:var(--surface-2);color:var(--text)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:150;display:flex;align-items:center;justify-content:center;padding:20px;background:#10182873;animation:fade .14s ease-out}@keyframes fade{0%{opacity:0}}.modal{width:100%;max-width:400px;max-height:calc(100dvh - 40px);overflow-y:auto;padding:22px;background:var(--surface);border-radius:var(--r-xl);box-shadow:var(--shadow-pop)}.modal-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:18px}.modal-title{flex:1;margin:0;font-size:17px;font-weight:680;letter-spacing:-.015em}.modal-sub{margin:3px 0 0;font-size:13.5px;color:var(--text-2)}.modal-form{display:flex;flex-direction:column;gap:15px}.modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:4px}.code-box{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 13px;background:var(--surface-2);border:1px solid var(--border-strong);border-radius:var(--r-md);font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:15px;font-weight:600;letter-spacing:.04em;word-break:break-all}.diag-actions{display:flex;flex-wrap:wrap;gap:8px}.diag-block{padding:10px 12px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-md);user-select:text;-webkit-user-select:text}.diag-title{margin-bottom:6px;font-size:12px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--text-3)}.diag-row{display:flex;flex-direction:column;gap:1px;padding:5px 0;border-bottom:1px solid var(--border)}.diag-row:last-child{border-bottom:none}.diag-key{font-size:11.5px;font-weight:650;color:var(--text-3)}.diag-value,.diag-trace{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:12px;line-height:1.45;color:var(--text);overflow-wrap:anywhere}.diag-trace{padding:2px 0;color:var(--text-2)}.page-scroll{flex:1;min-height:0;overflow-y:auto;padding:22px 20px calc(30px + env(safe-area-inset-bottom))}.page-inner{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);overflow:hidden}.card-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:15px 17px;border-bottom:1px solid var(--border)}.card-title{flex:1;min-width:140px;margin:0;font-size:16px;font-weight:650}.card-body{padding:17px}.user-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:13px 17px;border-bottom:1px solid var(--border)}.user-row:last-child{border-bottom:none}.user-row-id{flex:1;min-width:170px}.user-row-name{font-size:15px;font-weight:600}.user-row-email{font-size:13px;color:var(--text-3);overflow-wrap:anywhere}.user-row-tags{display:flex;align-items:center;gap:6px;flex-shrink:0}.user-row-actions{display:flex;gap:7px;flex-shrink:0}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid-actions{grid-column:1 / -1;display:flex;justify-content:flex-end}.back-btn,.mobile-only{display:none}@media (max-width: 860px){.pane-list{flex-basis:300px;width:300px}}@media (max-width: 720px){.shell{flex-direction:column;padding-bottom:calc(56px + env(safe-area-inset-bottom))}.rail{position:fixed;left:0;right:0;bottom:0;top:auto;width:100%;height:calc(56px + env(safe-area-inset-bottom));flex:0 0 auto;flex-direction:row;justify-content:space-around;align-items:center;gap:0;padding:0 6px env(safe-area-inset-bottom);border-right:none;border-top:1px solid var(--border)}.rail-mark,.rail-spacer{display:none}.rail-link{width:46px;height:46px}.main{height:100%}.inbox{position:relative}.pane-list,.pane-thread{flex:1 1 auto;width:100%;min-width:0;border-right:none}.inbox[data-view=list] .pane-thread,.inbox[data-view=thread] .pane-list{display:none}.back-btn{display:inline-flex}.mobile-only{display:initial}.desktop-only{display:none}.topbar{padding:0 11px}.user-name{display:none}.thread-head{height:56px;padding:0 11px;gap:8px}.msg-list{padding:14px 12px}.bubble{max-width:82%}.reply{padding:10px 0 calc(10px + env(safe-area-inset-bottom))}.reply-inner{padding:0 12px}.reply-attach,.reply-error,.reply-hint{width:calc(100% - 24px)}.msg-avatar,.msg-spacer,.shell[data-mobile-view=thread] .topbar,.shell[data-mobile-view=thread] .rail{display:none}.shell[data-mobile-view=thread]{padding-bottom:0}.reply-input,.search .input{font-size:16px}.reply-input{min-height:44px;max-height:136px}.reply-send,.reply-attach-btn{width:44px;min-width:44px;height:44px}.reply-inner{gap:6px}.bubble.has-media{max-width:min(328px,82%)}.media-doc{min-width:0;max-width:100%}.media-skeleton{width:200px;height:140px}.lightbox{padding:16px}.assign .select{min-width:0;width:100%}.toast-stack{top:10px;right:10px;left:10px;width:auto}.page-scroll{padding:16px 12px calc(24px + env(safe-area-inset-bottom))}.user-row{align-items:flex-start;flex-direction:column;gap:9px;padding:14px 13px}.user-row-id,.user-row-actions{width:100%;min-width:0}.user-row-actions .btn{flex:1}.form-grid{grid-template-columns:minmax(0,1fr)}.form-grid-actions .btn{width:100%}.card-head,.card-body{padding:14px 13px}.modal{max-width:100%;padding:18px}.btn-sm{height:40px}.icon-btn{width:42px;height:42px;min-width:42px}}@media (max-width: 380px){.rail-link{width:42px}}