:root{--bg:#eef2f1;--panel:#fbfcfa;--panel-soft:#f5f7f3;--ink:#17201d;--muted:#64706b;--line:#dbe2dd;--line-strong:#bdc8c1;--accent:#0d9488;--accent-dark:#0f766e;--blue:#2563eb;--warning:#d97706;--danger:#dc2626;--shadow:0 18px 50px #13201d1f;--radius:8px;--font:"Microsoft YaHei", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;color:var(--ink);background:var(--bg);font-family:var(--font);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea{font:inherit}button{background:var(--ink);color:#fff;cursor:pointer;border:0;border-radius:6px;min-height:40px;padding:0 16px}button:disabled{cursor:not-allowed;opacity:.65}button:hover{background:#24312d}.secondary-button{border:1px solid var(--line-strong);color:var(--ink);background:#fff}.secondary-button:hover{border-color:var(--accent);color:var(--accent-dark);background:#e8f7f4}code{border:1px solid var(--line);color:var(--accent-dark);white-space:nowrap;background:#ffffffb3;border-radius:4px;padding:3px 6px;font-family:Cascadia Mono,Consolas,monospace;font-size:12px}a{color:inherit;text-decoration:none}.app-shell{grid-template-columns:248px minmax(0,1fr);min-height:100vh;display:grid}.mobile-chatbar,.mobile-menu-backdrop{display:none}.sidebar{border-right:1px solid var(--line);color:#d7dfda;background:#111a17;flex-direction:column;gap:28px;min-height:100vh;padding:24px 18px;display:flex}.brand{align-items:center;gap:12px;min-height:48px;display:flex}.brand-mark{color:#111;background:#f8fffd;border:1px solid #ffffff38;border-radius:14px;place-items:center;width:42px;height:42px;font-weight:800;display:grid;position:relative;overflow:hidden}.brand-orbit{border:2px solid;border-right-color:#0000;border-radius:50%;width:25px;height:25px;position:absolute;transform:rotate(-26deg)}.brand-orbit:after{content:"";background:currentColor;border-radius:50%;width:5px;height:5px;position:absolute;bottom:2px;right:-1px}.brand-core{z-index:1;font-size:13px;font-weight:800;line-height:1;position:relative}.brand strong{color:#fff;letter-spacing:.5px;display:block}.brand small{color:#93a19a;margin-top:2px;font-size:12px;display:block}.nav-list{gap:6px;display:grid}.nav-list a{color:#aebcb5;border-radius:6px;padding:11px 12px}.nav-list a:hover,.nav-list a.active{color:#fff;background:#ffffff14}.nav-list a.active{box-shadow:inset 3px 0 0 var(--accent)}.sidebar-footer{color:#8d9a94;gap:8px;margin-top:auto;font-size:12px;display:grid}.sidebar-footer code{color:#c8fff7;text-overflow:ellipsis;overflow:hidden}.main-panel{min-width:0}.topbar{border-bottom:1px solid var(--line);background:#fbfcfadb;justify-content:space-between;align-items:center;gap:16px;min-height:64px;padding:0 28px;display:flex}.topbar>div{color:var(--muted);align-items:center;gap:9px;font-size:14px;display:flex}.status-dot{background:var(--warning);border-radius:50%;width:9px;height:9px;box-shadow:0 0 0 4px #d9770624}.topbar-meta{min-width:0}.ghost-button{border:1px solid var(--line);min-height:30px;color:var(--muted);background:0 0;padding:0 10px}.ghost-button:hover{border-color:var(--accent);color:var(--accent-dark);background:#e8f7f4}.topbar-meta code{text-overflow:ellipsis;max-width:34vw;overflow:hidden}.content{width:min(1160px,100vw - 248px);margin:0 auto;padding:34px 32px 56px}.page-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:24px;display:flex}.section-label{color:var(--accent-dark);letter-spacing:.08em;text-transform:uppercase;font-size:12px;font-weight:700}h1,h2,p{margin:0}h1{color:var(--ink);margin-top:8px;font-size:34px;font-weight:760;line-height:1.15}h2{margin-top:8px;font-size:22px;line-height:1.25}.page-heading p,.wide-panel p,.empty-state p{max-width:650px;color:var(--muted);margin-top:8px;line-height:1.7}.dashboard-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;display:grid}.metric-card,.wide-panel,.tool-surface,.chat-shell,.log-table,.empty-state{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow)}.metric-card{gap:10px;min-height:148px;padding:18px;display:grid}.metric-card span{color:var(--muted);font-size:13px}.metric-card strong{font-size:24px;line-height:1.15}.metric-card.ok strong{color:var(--accent-dark)}.metric-card.warn strong{color:var(--warning)}.metric-card p{color:var(--muted);font-size:13px;line-height:1.6}.wide-panel{grid-column:1/-1;grid-template-columns:minmax(0,1.5fr) minmax(280px,.9fr);gap:24px;padding:24px;display:grid}.timeline{border-left:1px solid var(--line);align-content:start;gap:10px;padding-left:22px;display:grid}.timeline span{border:1px solid var(--line);background:var(--panel-soft);color:var(--muted);border-radius:6px;padding:10px 12px}.tool-surface{grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:18px;padding:20px;display:grid}.speak-box{gap:10px;display:grid}.speak-box label{color:var(--muted);font-size:13px}textarea,input{border:1px solid var(--line-strong);width:100%;color:var(--ink);background:#fff;border-radius:6px;outline:none}textarea{resize:vertical;min-height:150px;padding:12px}input{min-height:42px;padding:0 12px}select{border:1px solid var(--line-strong);width:100%;min-height:42px;color:var(--ink);font:inherit;background:#fff;border-radius:6px;padding:0 12px}textarea:focus,input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0d948824}.command-matrix{grid-template-columns:repeat(2,minmax(0,1fr));align-content:start;gap:10px;display:grid}.command-matrix button{background:var(--panel-soft);color:var(--ink);border:1px solid var(--line)}.command-matrix button:hover{border-color:var(--accent);background:#e8f7f4}.chat-shell{gap:12px;max-width:820px;padding:20px;display:grid}.chat-device-row{max-width:360px}.chat-thread{align-content:start;gap:12px;min-height:360px;display:grid}.chat-empty{display:none}.prompt-chips{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.prompt-chips button{border:1px solid var(--line);color:var(--ink);background:#fff}.message{border-radius:8px;width:fit-content;max-width:76%;padding:12px 14px;line-height:1.65}.message.robot{color:#12413b;background:#e8f7f4}.message.owner{background:var(--ink);color:#fff;justify-self:end}.chat-input{border-top:1px solid var(--line);grid-template-columns:minmax(0,1fr) auto;gap:10px;padding-top:16px;display:grid}.log-table{overflow:hidden}.log-row{border-bottom:1px solid var(--line);grid-template-columns:64px minmax(0,1fr) 110px;align-items:center;gap:16px;padding:14px 18px;display:grid}.log-row:last-child{border-bottom:0}.log-row span,.log-row small{color:var(--muted)}.empty-state{place-items:start;min-height:280px;padding:30px;display:grid}.empty-state.compact{min-height:180px;box-shadow:none}.management-grid,.control-layout{grid-template-columns:360px minmax(0,1fr);gap:16px;display:grid}.form-panel,.list-panel,.speak-panel,.command-section,.danger-panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow);padding:20px}.form-panel,.speak-panel{align-content:start;gap:14px;display:grid}.form-panel label,.speak-panel label{color:var(--muted);gap:8px;font-size:13px;display:grid}.check-row{align-items:center;gap:10px!important;display:flex!important}.check-row input{width:18px;min-height:18px}.panel-title{gap:4px;display:grid}.panel-toolbar{justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;display:flex}.device-list,.simple-list{gap:10px;display:grid}.simple-row{border:1px solid var(--line);background:var(--panel-soft);border-radius:8px;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:12px;padding:14px;display:grid}.simple-row div{gap:5px;min-width:0;display:grid}.simple-row p{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:13px;line-height:1.55;overflow:hidden}.two-col{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.tabs{gap:8px;margin-bottom:16px;display:flex}.tabs button{border:1px solid var(--line);color:var(--ink);background:#fff}.tabs button.active{background:var(--ink);color:#fff}.device-row{border:1px solid var(--line);background:var(--panel-soft);border-radius:8px;grid-template-columns:minmax(0,1fr) auto 80px auto;align-items:center;gap:12px;padding:14px;display:grid}.device-row div:first-child{gap:4px;min-width:0;display:grid}.device-row strong,.device-row span{text-overflow:ellipsis;overflow:hidden}.device-row span{color:var(--muted);font-size:13px}.pill{color:#4b5563;white-space:nowrap;background:#f3f4f4;border-radius:999px;justify-content:center;align-items:center;min-height:28px;padding:0 10px;font-size:12px;font-weight:700;display:inline-flex}.pill.ok{color:var(--accent-dark);background:#e8f7f4}.pill.warn{color:#9a5b05;background:#d977061a}.row-actions{justify-content:end;gap:8px;display:flex}.control-layout{grid-template-columns:340px minmax(0,1fr)}.speak-panel{grid-column:span 1}.command-section,.danger-panel{gap:12px;display:grid}.command-section h3,.danger-panel h3{margin:0}.device-mini-status{align-items:center;gap:10px;min-width:0;display:flex}.device-mini-status>span:last-child{color:var(--muted);text-overflow:ellipsis;font-size:13px;overflow:hidden}.danger-panel button{background:var(--danger)}.danger-panel button:hover{background:#b91c1c}.inline-warning{color:#8a4b05;background:#d977061a;border:1px solid #d9770647;border-radius:6px;grid-column:1/-1;padding:12px 14px}.login-page{background:linear-gradient(135deg, #0d948824, transparent 42%), radial-gradient(circle at 80% 20%, #2563eb1f, transparent 34%), var(--bg);place-items:center;min-height:100vh;padding:24px;display:grid}.login-panel{border:1px solid var(--line);background:var(--panel);width:min(920px,100%);box-shadow:var(--shadow);border-radius:10px;grid-template-columns:minmax(0,1fr) 380px;display:grid;overflow:hidden}.login-copy{color:#fff;background:#111a17;align-content:center;gap:14px;padding:42px;display:grid}.login-copy .section-label{color:#77ddd2}.login-copy h1{color:#fff}.login-copy p{color:#b7c4be;line-height:1.8}.login-form{align-content:center;gap:16px;padding:42px 32px;display:grid}.login-form label{color:var(--muted);gap:8px;font-size:13px;display:grid}.form-error{color:var(--danger);background:#dc262614;border:1px solid #dc26263d;border-radius:6px;padding:10px 12px}@media (width<=980px){.app-shell{grid-template-columns:1fr}.sidebar{z-index:10;gap:16px;min-height:auto;padding:16px;position:sticky;top:0}.nav-list{grid-template-columns:repeat(4,minmax(0,1fr))}.sidebar-footer{display:none}.content{width:100%;padding:24px 18px 40px}.dashboard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.wide-panel,.tool-surface,.management-grid,.control-layout{grid-template-columns:1fr}.timeline{border-left:0;padding-left:0}.login-panel{grid-template-columns:1fr}.login-copy,.login-form{padding:28px}}@media (width<=620px){body{background:#fff}.app-shell{background:#fff;min-height:100svh;display:block}.mobile-chatbar{z-index:30;background:#ffffffeb;justify-content:space-between;align-items:center;padding:14px 18px 8px;display:flex;position:sticky;top:0}.mobile-icon-button,.mobile-title-pill{color:#111;background:#fff;border:0;border-radius:999px;place-items:center;display:inline-grid;box-shadow:0 12px 30px #14181614}.mobile-icon-button{width:52px;height:52px;min-height:52px;padding:0}.mobile-icon-button span{background:#111;border-radius:99px;width:22px;height:2px;display:block}.mobile-icon-button span+span{margin-top:-15px}.mobile-title-pill{align-items:center;gap:9px;min-height:52px;padding:0 22px;font-size:22px;font-weight:650;display:inline-flex}.mobile-title-mark{color:#111;place-items:center;width:24px;height:24px;display:grid;position:relative}.mobile-title-mark .brand-orbit{border-width:2px;width:20px;height:20px}.mobile-title-mark .brand-core{font-size:10px}.status-ring span{background:0 0;border:3px dashed #111;border-radius:50%;width:23px;height:23px}.mobile-menu-backdrop{z-index:35;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff94;border:0;border-radius:0;padding:0;display:block;position:fixed;inset:0}.mobile-menu-backdrop:hover{background:#ffffff94}.sidebar{z-index:40;color:#111;background:#fafafa;border-right:1px solid #ececec;width:min(82vw,310px);min-height:100svh;padding:20px 16px;transition:transform .18s;position:fixed;inset:0 auto 0 0;transform:translate(-105%);box-shadow:24px 0 70px #0000001f}.sidebar.open{transform:translate(0)}.topbar,.page-heading{flex-direction:column;align-items:flex-start}.brand{gap:10px;min-height:38px}.brand-mark{border-radius:8px;width:38px;height:38px;font-size:13px}.brand strong{font-size:15px}.brand small{color:#727272;text-overflow:ellipsis;white-space:nowrap;max-width:220px;font-size:11px;overflow:hidden}.nav-list{gap:8px;display:grid}.nav-list a{color:#2b2b2b;text-align:left;border-radius:10px;padding:13px 12px}.nav-list a.active{color:#fff;background:#111;font-weight:700}.nav-list a:hover{color:#111;background:#f0f0f0}.sidebar .brand strong{color:#111}.sidebar .brand-mark{background:#fff;border-color:#dedede;box-shadow:0 12px 28px #00000014}.sidebar-footer{color:#777}.sidebar-footer code{color:#111;background:#fff;border-color:#e2e2e2}.topbar{display:none}.topbar>div,.topbar-meta{flex-wrap:wrap;align-items:flex-start}.topbar-meta code{max-width:calc(100vw - 122px)}.topbar-meta>span{color:var(--accent-dark);background:#eef6f3;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:700}.topbar-meta code{display:none}.ghost-button{min-height:28px;padding:0 9px}.dashboard-grid,.command-matrix,.chat-input{grid-template-columns:1fr}.log-row{grid-template-columns:1fr;gap:4px}h1{font-size:27px}.content{background:#fff;padding:22px 16px 42px}.page-heading{gap:10px;margin-bottom:18px}.page-heading p,.wide-panel p,.empty-state p{font-size:14px;line-height:1.65}.metric-card{border-color:#ededed;border-radius:16px;min-height:118px;padding:17px;box-shadow:0 12px 34px #0000000f}.metric-card strong{font-size:25px}.wide-panel,.tool-surface,.chat-shell,.empty-state,.form-panel,.list-panel,.speak-panel,.command-section,.danger-panel{border-color:#ededed;border-radius:16px;padding:18px;box-shadow:0 12px 34px #0000000f}.management-grid,.control-layout{gap:12px}.panel-toolbar{flex-direction:column;align-items:flex-start}.device-row{background:#fff;border-color:#ededed;border-radius:14px;grid-template-columns:1fr;align-items:stretch}.row-actions{grid-template-columns:1fr 1fr;display:grid}.row-actions button{width:100%}.device-mini-status{flex-direction:column;align-items:flex-start}.simple-row{background:#fff;border-color:#ededed;border-radius:14px;grid-template-columns:1fr}.simple-row p{white-space:normal}.two-col{grid-template-columns:1fr}.tabs{padding-bottom:4px;overflow-x:auto}.tabs button{border-radius:999px;flex:none;min-height:36px}.section-label{color:#111;letter-spacing:.06em}.page-heading p{color:#707070}.timeline span{padding:9px 10px;font-size:13px}.login-page{place-items:stretch stretch;padding:12px}.login-copy{padding:24px 20px}.login-form{padding:22px 20px}.chat-home-shell .content{min-height:calc(100svh - 74px);padding:0 18px 104px}.chat-home-shell .page-heading{display:none}.chat-home-shell .chat-shell{max-width:none;min-height:calc(100svh - 178px);box-shadow:none;background:0 0;border:0;border-radius:0;padding:0;display:grid}.chat-home-shell .chat-device-row{display:none}.chat-home-shell .chat-thread{min-height:calc(100svh - 220px);padding-top:10px}.chat-empty{text-align:center;align-content:center;justify-items:center;gap:14px;min-height:calc(100svh - 230px);display:grid}.chat-empty .brand-mark{border:0;border-radius:14px;width:46px;height:46px;box-shadow:0 12px 30px #0d948824}.chat-empty h2{max-width:300px;font-size:22px;line-height:1.35}.chat-empty p{color:#6f7773;max-width:320px;font-size:13px;line-height:1.7}.prompt-chips{margin-top:4px}.prompt-chips button{color:#343a37;border-radius:999px;min-height:34px;padding:0 12px;font-size:13px}.chat-home-shell .chat-input{right:18px;bottom:max(18px, env(safe-area-inset-bottom));z-index:25;background:#fff;border:0;border-radius:999px;grid-template-columns:44px minmax(0,1fr) 44px;align-items:center;gap:8px;padding:8px;display:grid;position:fixed;left:18px;box-shadow:0 16px 38px #161c1a24}.chat-home-shell .chat-input input{min-height:42px;box-shadow:none;border:0;padding:0 4px;font-size:17px}.plus-button,.voice-button{border-radius:999px;width:42px;height:42px;min-height:42px;padding:0;font-size:30px;line-height:1}.plus-button{color:#111;background:#fff}.plus-button:hover{background:#f4f4f4}.voice-button{color:#fff;background:#111;font-size:22px}}