:root{--k-bg:#ffffff;--k-bg-secondary:#f5f5f5;--k-ground:#f9fbfc;--k-label-1:rgba(0,0,0,0.9);--k-label-1-hover:rgba(37,37,37,1);--k-label-2:rgba(0,0,0,0.6);--k-label-3:rgba(0,0,0,0.45);--k-label-4:rgba(0,0,0,0.3);--k-f1:rgba(0,0,0,0.03);--k-f1-hover:rgba(0,0,0,0.059);--k-f2:rgba(0,0,0,0.05);--k-f2-hover:rgba(0,0,0,0.079);--k-f3:rgba(0,0,0,0.15);--k-sep:rgba(0,0,0,0.13);--k-sep-soft:rgba(0,0,0,0.08);--k-blue:#1783ff;--k-blue-hover:rgba(22,127,247,1);--k-blue-10:rgba(23,131,255,0.1);--k-green:#16c456;--k-green-10:rgba(22,196,86,0.1);--k-danger:#ff3849;--k-danger-hover:rgba(247,54,71,1);--k-danger-10:rgba(255,77,77,0.1);--k-orange-10:rgba(255,149,0,0.1);--k-orange-text:#8a5200;--k-bubble:#f5f5f5;--k-mask:rgba(0,0,0,0.4);--k-mask-dark:rgba(0,0,0,0.6);--k-selected:rgba(23,131,255,0.2);--r-xxs:4px;--r-sm:8px;--r-md:10px;--r-lg:12px;--r-xl:16px;--r-full:999px;--shadow-input:0 5px 16px -4px rgba(0,0,0,0.07);--shadow-small:0 4px 16.4px rgba(0,0,0,0.1);--shadow-medium:0 4px 15px 2px rgba(0,0,0,0.15);--ease-out:cubic-bezier(0.23,1,0.32,1);--ease-in-out:cubic-bezier(0.77,0,0.175,1);--font:"PingFang SC",system-ui,-apple-system,"Segoe UI","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;--font-mono:"Geist Mono",ui-monospace,"Cascadia Mono",Consolas,monospace;--z-header:500;--z-modal-backdrop:800;--z-modal:810;--z-dialog-backdrop:850;--z-dialog:860;--z-tooltip:900;--z-toast:1000;--sidebar-w:280px}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;overflow:hidden;background:var(--k-bg);color:var(--k-label-1);font-family:var(--font);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}::selection{background:var(--k-selected)}a{color:var(--k-blue);text-decoration:none}a:hover{text-decoration:underline}.card{background:var(--k-bg);border:1px solid var(--k-sep-soft);border-radius:var(--r-xl);padding:24px}label{display:block;font-size:14px;font-weight:500;color:var(--k-label-2);margin-bottom:6px}input,select,textarea{width:100%;background:var(--k-bg);border:1px solid var(--k-sep);color:var(--k-label-1);border-radius:var(--r-md);padding:9px 12px;font:inherit;font-size:14px;margin-bottom:14px;transition:border-color .15s ease,box-shadow .15s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--k-blue);box-shadow:0 0 0 3px var(--k-blue-10)}textarea{min-height:120px;resize:vertical}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}@layer base{.btn,button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:var(--r-md);padding:10px 18px;font:inherit;font-size:14px;font-weight:500;cursor:pointer;background:var(--k-label-1);color:#ffffff;transition:background .15s ease,transform .12s var(--ease-out)}.btn:hover,button:hover:not(:disabled){background:var(--k-label-1-hover)}button:active:not(:disabled){transform:scale(.97)}button:disabled{opacity:.5;cursor:not-allowed}}button.secondary{background:transparent;color:var(--k-label-1);border:1px solid var(--k-sep)}button.secondary:hover:not(:disabled){background:var(--k-f1)}.error{color:var(--k-danger);margin:8px 0}.error,.muted{font-size:14px}.muted{color:var(--k-label-3)}.btn-secondary{display:inline-flex;align-items:center;gap:5px;height:32px;padding:0 12px;border:none;border-radius:var(--r-md);background:var(--k-f1);color:var(--k-label-1);font-size:14px;font-weight:500;font-family:inherit;cursor:pointer;white-space:nowrap;transition:background .15s ease}.btn-secondary:hover:not(:disabled){background:var(--k-f1-hover)}.btn-secondary:disabled{color:var(--k-label-4);cursor:not-allowed}.btn-ghost{display:inline-flex;align-items:center;gap:5px;height:32px;padding:0 12px;border:1px solid var(--k-sep);border-radius:var(--r-md);background:transparent;color:var(--k-label-1);font-size:14px;font-weight:500;font-family:inherit;cursor:pointer;white-space:nowrap;transition:background .15s ease}.btn-ghost:hover:not(:disabled){background:var(--k-f1)}.btn-ghost:disabled{color:var(--k-label-4);cursor:not-allowed}.btn-primary{display:inline-flex;align-items:center;gap:6px;height:44px;min-width:72px;padding:0 16px;border:none;border-radius:var(--r-lg);background:var(--k-label-1);color:#ffffff;font-size:16px;font-weight:500;font-family:inherit;cursor:pointer;transition:background .15s ease,transform .12s var(--ease-out)}.btn-primary:hover:not(:disabled){background:var(--k-label-1-hover)}.btn-primary:active:not(:disabled){transform:scale(.97)}.btn-primary:disabled{background:var(--k-f2);color:var(--k-label-4);cursor:not-allowed}.preview-bar .btn-ghost{height:44px;padding:0 14px;border-radius:var(--r-lg);font-size:15px}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--k-ground)}.login-card{width:100%;max-width:400px;padding:28px;box-shadow:var(--shadow-small)}.brand{font-size:20px;font-weight:600;margin:0 0 4px;line-height:30px}.sub{color:var(--k-label-2);margin:0 0 24px;font-size:14px}.login-card .tabs{display:flex;gap:2px;padding:2px;margin-bottom:20px;background:var(--k-f1);border-radius:var(--r-sm)}.login-card .tab{flex:1 1;padding:6px 8px;border-radius:6px;text-align:center;cursor:pointer;font-size:14px;color:var(--k-label-2);transition:background .15s ease,color .15s ease;-webkit-user-select:none;-moz-user-select:none;user-select:none}.login-card .tab.on{background:var(--k-bg);color:var(--k-label-1);font-weight:500;box-shadow:0 1px 3px rgba(0,0,0,.08)}.app-layout{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:100vh;overflow:hidden;transition:grid-template-columns .15s 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10px;border:none;border-radius:6px;background:transparent;color:var(--k-label-1);font-size:14px;font-weight:400;cursor:pointer;font-family:inherit}.sb-menu button:hover:not(:disabled){background:var(--k-f1)}.sb-menu button.danger{color:var(--k-danger)}.sb-account{position:relative;margin-top:auto;border-top:1px solid var(--k-sep-soft);padding:10px;flex-shrink:0}.sb-account-btn{width:100%;display:flex;align-items:center;gap:10px;padding:6px 8px;border:none;border-radius:var(--r-md);background:transparent;color:var(--k-label-1);cursor:pointer;font-family:inherit;text-align:left}.sb-account-btn.open,.sb-account-btn:hover{background:var(--k-f1)}.sb-avatar{width:30px;height:30px;border-radius:8px;background:var(--k-label-1);color:#ffffff;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0}.sb-account-meta{flex:1 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6px}.sidebar.is-collapsed .sb-account-btn{justify-content:center;padding:6px}.resize-handle{position:absolute;right:0;top:0;bottom:0;width:4px;cursor:ew-resize;background:transparent}.resize-handle.active,.resize-handle:hover{background:var(--k-blue)}.app-confirm-overlay,.sb-dialog-overlay{position:fixed;inset:0;z-index:var(--z-dialog-backdrop);background:var(--k-mask);display:flex;align-items:center;justify-content:center;padding:20px;animation:fadeIn .15s ease-out}.app-confirm,.sb-dialog{width:min(400px,100%);background:var(--k-bg);border-radius:var(--r-xl);box-shadow:var(--shadow-medium);overflow:hidden;animation:dialogIn .18s var(--ease-out)}.app-confirm{width:min(460px,100%)}.app-confirm-head,.sb-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px 10px}.app-confirm-head h3,.sb-dialog-head h3{margin:0;font-size:16px;font-weight:600;color:var(--k-label-1)}.app-confirm-close,.sb-dialog-close{width:28px;height:28px;padding:0;border:none;border-radius:var(--r-sm);background:transparent;color:var(--k-label-3);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.app-confirm-close:hover,.sb-dialog-close:hover{color:var(--k-label-1);background:var(--k-f1)}.app-confirm-close:disabled{opacity:.5;cursor:not-allowed}.sb-dialog-body{padding:12px 16px 16px}.sb-dialog-body label{margin-bottom:8px}.sb-dialog-body input{margin:0;height:38px}.sb-dialog-error{margin-top:8px;color:var(--k-danger);font-size:13px}.app-confirm-foot,.sb-dialog-foot{display:flex;justify-content:flex-end;gap:8px;padding:0 16px 16px}.app-confirm-body{display:flex;gap:12px;align-items:flex-start;padding:8px 16px 18px}.app-confirm-warn{width:34px;height:34px;border-radius:50%;background:var(--k-danger);color:#ffffff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;flex-shrink:0}.app-confirm-body p{margin:4px 0 0;color:var(--k-label-2);font-size:14px;line-height:1.6}.app-confirm-cancel,.app-confirm-danger,.app-confirm-ok,.sb-dialog-cancel,.sb-dialog-ok{height:32px;min-width:72px;padding:0 14px;border-radius:var(--r-md);font-weight:500;font-size:14px;cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;justify-content:center;line-height:1}.app-confirm-cancel,.sb-dialog-cancel{border:1px solid var(--k-sep);background:transparent;color:var(--k-label-1)}.app-confirm-cancel:hover,.sb-dialog-cancel:hover{background:var(--k-f1)}.app-confirm-ok,.sb-dialog-ok{border:none;background:var(--k-label-1);color:#ffffff}.app-confirm-ok:hover,.sb-dialog-ok:hover{background:var(--k-label-1-hover)}.app-confirm-danger{border:none;background:var(--k-danger);color:#ffffff}.app-confirm-danger:hover{background:var(--k-danger-hover)}.app-confirm-cancel:disabled,.app-confirm-danger:disabled,.app-confirm-ok:disabled,.sb-dialog-cancel:disabled,.sb-dialog-ok:disabled{opacity:.55;cursor:not-allowed}.chat-thread-wrap{position:relative;flex:1 1;min-height:0;display:flex;flex-direction:column}.chat-thread{flex:1 1;min-height:0;overflow-y:auto;padding:28px 16px 20px;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.15) transparent}.chat-thread::-webkit-scrollbar{width:6px}.chat-thread::-webkit-scrollbar-thumb{background:rgba(0,0,0,.14);border-radius:999px}.chat-thread::-webkit-scrollbar-track{background:transparent}.msg-row{width:100%;max-width:800px;margin:20px auto 0;padding:0 8px;display:flex;align-items:flex-start;animation:msgIn .2s var(--ease-out)}.msg-row:first-child{margin-top:0}.msg-row.user{justify-content:flex-end;margin-top:32px}.msg-row.user:first-child{margin-top:0}.bubble.assistant{flex:1 1;min-width:0;line-height:1.7}.bubble.assistant,.bubble.user{font-size:15px;color:var(--k-label-1)}.bubble.user{max-width:80%;padding:10px 14px;background:var(--k-bubble);border-radius:var(--r-lg);line-height:1.65;overflow-wrap:anywhere}.bubble pre.specs{margin:0}.specs{color:var(--k-label-2);white-space:pre-wrap;word-break:break-word;font-family:inherit}.specs,.user-spec-meta{font-size:14px;line-height:1.6}.user-spec-meta{margin-top:8px}.user-spec-meta b{font-weight:600}.quicktags-inline{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.tag-chip{display:inline-flex;align-items:center;height:20px;padding:0 8px;border-radius:var(--r-full);background:var(--k-f2);color:var(--k-label-2);font-size:12px;white-space:nowrap}.user-text-msg{display:block;max-height:180px;overflow:auto;white-space:pre-wrap;word-break:break-word;font-size:14px}.msg-link{color:var(--k-blue);word-break:break-all}.msg-link:hover{text-decoration:underline}.assistant-note{font-size:14px;line-height:1.6;color:var(--k-label-2)}.assistant-note.error{color:var(--k-danger)}.assistant-note-hint{margin-top:6px;font-size:13px;line-height:1.6;color:var(--k-label-2);opacity:.9}.msg-row.notice{justify-content:center;margin-top:12px}.notice-strip{max-width:720px;padding:6px 14px;border-radius:999px;background:rgba(127,127,127,.1);font-size:12.5px;line-height:1.5;color:var(--k-label-2);text-align:center;word-break:break-all}.clarify-bubble{display:flex;align-items:flex-start;gap:8px;font-size:14px;line-height:1.7}.clarify-icon{flex:none;font-size:15px;line-height:1.6}.clarify-text{white-space:pre-wrap;word-break:break-word}.clarify-cta{display:inline-block;margin-left:8px;padding:2px 12px;border:1px solid var(--k-blue);border-radius:999px;background:transparent;color:var(--k-blue);font-size:13px;line-height:1.6;cursor:pointer;white-space:nowrap}.clarify-cta:hover{background:var(--k-blue);color:#fff}.clarify-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.clarify-actions .clarify-cta{margin-left:0}.clarify-chip{display:inline-block;padding:3px 12px;border:1px solid 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var(--k-sep-soft);border-radius:var(--r-sm);background:var(--k-f1);color:var(--k-label-1);font-size:12px}.coffee-stats{margin:0;font-size:12px;color:var(--k-label-2)}.coffee-btn{height:34px;display:inline-flex;align-items:center;justify-content:center;line-height:1;padding:0 14px;border:1px solid var(--k-sep);border-radius:var(--r-sm);background:var(--k-bg);color:var(--k-label-1);font-size:13px;cursor:pointer;white-space:nowrap;transition:background .15s ease}.coffee-btn:hover{background:var(--k-f1-hover)}.coffee-btn.primary{background:var(--k-label-1-hover);border-color:var(--k-label-1-hover);color:#fff}.coffee-btn.primary:hover{opacity:.88}.coffee-btn.primary:disabled{opacity:.5;cursor:not-allowed}.coffee-btn.ghost{border-color:var(--k-sep-soft);color:var(--k-label-2)}.coffee-btn.wide{width:100%}.coffee-textarea{width:100%;box-sizing:border-box;padding:8px 10px;border:1px solid var(--k-sep-soft);border-radius:var(--r-sm);background:var(--k-bg);color:var(--k-label-1);font-size:13px;font-family:inherit;resize:vertical}.coffee-textarea:focus-visible{outline:none;border-color:var(--k-blue)}.coffee-feedback-actions{display:flex;justify-content:center;gap:12px}.coffee-history-title{font-size:12px;color:var(--k-label-3);border-top:1px solid var(--k-sep-soft);padding-top:10px}.coffee-history{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.coffee-history-item{padding:8px 10px;border-radius:var(--r-sm);background:var(--k-f1);font-size:12px;color:var(--k-label-2)}.coffee-history-item.row{gap:10px}.coffee-history-head,.coffee-history-item.row{display:flex;align-items:center;justify-content:space-between}.coffee-history-head{margin-bottom:4px}.coffee-history-content{margin:0;white-space:pre-wrap;word-break:break-word;color:var(--k-label-1)}.coffee-admin-note{margin:4px 0 0;color:var(--k-label-3)}.coffee-time{color:var(--k-label-4);font-size:11px}.coffee-thumbs{display:flex;gap:6px;margin-top:6px}.coffee-thumb{width:56px;height:56px;object-fit:cover;border-radius:var(--r-xxs);border:1px solid var(--k-sep-soft)}.coffee-badge{display:inline-block;padding:1px 8px;border-radius:var(--r-full);font-size:11px;line-height:18px;background:var(--k-f2);color:var(--k-label-2)}.coffee-badge.approved,.coffee-badge.confirmed{background:var(--k-green-10);color:var(--k-green)}.coffee-badge.rejected{background:var(--k-danger-10);color:var(--k-danger)}.coffee-badge.pending{background:var(--k-orange-10);color:var(--k-orange-text)}.coffee-presets{display:flex;gap:6px;align-items:stretch;justify-content:center;flex-wrap:wrap}.coffee-preset{min-height:44px;min-width:56px;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;line-height:1.2;padding:4px 10px;border:1px solid var(--k-sep-soft);border-radius:var(--r-sm);background:var(--k-bg);color:var(--k-label-2);font-size:13px;cursor:pointer;transition:all .15s ease}.coffee-preset:hover{color:var(--k-label-1);border-color:var(--k-sep)}.coffee-preset.on{background:var(--k-blue-10);border-color:var(--k-blue);color:var(--k-blue);font-weight:500}.coffee-preset-count{display:inline-flex;align-items:center;gap:4px}.coffee-preset-price{font-size:11px;color:var(--k-label-3);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.coffee-preset.on .coffee-preset-price{color:var(--k-blue)}.coffee-preset-tag{font-style:normal;font-size:10px;line-height:1;padding:2px 4px;border-radius:var(--r-xxs);background:var(--k-orange-10);color:var(--k-orange-text)}.coffee-custom-input{width:72px;min-height:44px;box-sizing:border-box;padding:0 8px;border:1px solid var(--k-sep);border-radius:var(--r-sm);background:var(--k-bg);color:var(--k-label-1);font-size:13px;align-self:center}.coffee-paybox{display:flex;flex-direction:column;gap:8px;padding:10px;border:1px solid var(--k-sep-soft);border-radius:var(--r-md);background:var(--k-f1)}.coffee-pay-amount{font-size:13px;color:var(--k-label-2)}.coffee-pay-amount strong{color:var(--k-label-1);font-size:16px}.coffee-qr-tabs{display:flex;gap:6px}.coffee-qr-tab{flex:1 1;height:28px;display:inline-flex;align-items:center;justify-content:center;line-height:1;border:1px solid var(--k-sep-soft);border-radius:var(--r-sm);background:var(--k-bg);color:var(--k-label-2);font-size:12px;cursor:pointer}.coffee-qr-tab.on{border-color:var(--k-blue);color:var(--k-blue);background:var(--k-blue-10)}.coffee-qr{width:200px;height:200px;object-fit:contain;align-self:center;background:#fff;border-radius:var(--r-sm);border:1px solid var(--k-sep-soft)}.coffee-waiting{text-align:center;font-size:12px;color:var(--k-orange-text);background:var(--k-orange-10);border-radius:var(--r-sm);padding:6px 8px}.composer-chips{display:flex;gap:6px;flex-wrap:wrap;padding:0 20px 8px}.composer-chip{display:inline-flex;align-items:center;gap:6px;background:var(--k-f2);color:var(--k-label-1);border-radius:999px;padding:3px 6px 3px 12px;font-size:12px;line-height:20px;max-width:100%}.composer-chip-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:260px}.composer-chip-x{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border:none;border-radius:50%;background:transparent;color:var(--k-label-3);font-size:14px;line-height:1;cursor:pointer;padding:0}.composer-chip-x:hover{background:var(--k-f1-hover);color:var(--k-label-1)}.notif-widget{position:relative;flex-shrink:0}.notif-trigger{position:relative;display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--k-sep-soft);border-radius:var(--r-full);background:var(--k-bg);color:var(--k-label-2);cursor:pointer;transition:background .15s ease,color .15s ease,border-color .15s ease}.notif-trigger.open,.notif-trigger:hover{background:var(--k-f1-hover);color:var(--k-label-1);border-color:var(--k-sep)}.notif-badge{position:absolute;top:-5px;right:-5px;min-width:16px;height:16px;padding:0 4px;border-radius:999px;background:var(--k-danger);color:#fff;font-size:10px;line-height:16px;text-align:center;font-weight:600}.notif-panel{position:absolute;top:calc(100% + 8px);right:0;width:320px;max-height:min(480px,calc(100vh - 96px));overflow-y:auto;background:var(--k-bg);border:1px solid var(--k-sep-soft);border-radius:var(--r-lg);box-shadow:var(--shadow-medium);padding:12px;z-index:60}.notif-panel-title{font-size:13px;font-weight:600;color:var(--k-label-1);margin-bottom:8px}.notif-empty{font-size:12px;color:var(--k-label-3);padding:12px 0;text-align:center}.notif-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.notif-item{padding:8px 10px;border-radius:var(--r-sm);background:var(--k-f1);border-left:2px solid transparent}.notif-item.unread{border-left-color:var(--k-blue)}.notif-item-title{font-size:13px;font-weight:500;color:var(--k-label-1)}.notif-item-body{margin:4px 0 0;font-size:12px;line-height:1.6;color:var(--k-label-2);white-space:pre-wrap;word-break:break-word}.notif-item-time{margin-top:4px;font-size:11px;color:var(--k-label-4)}