*{box-sizing:border-box}body{color:#253633;background:#f7f9f8;margin:0;font-family:system-ui,-apple-system,Microsoft YaHei,sans-serif}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{color:inherit}#app{min-height:100vh}.app-layout{min-height:100vh;display:flex}.app-sidebar{z-index:10;background:#fff;border-right:1px solid #e7edeb;flex-direction:column;flex:none;width:248px;padding:30px 18px 18px;display:flex;position:fixed;inset:0 auto 0 0}.brand,.auth-brand{align-items:center;gap:12px;display:flex}.brand{padding:0 8px 42px}.brand-mark{color:#fff;background:#237d6f;border-radius:10px;place-items:center;width:39px;height:39px;font-size:20px;font-weight:800;display:grid}.brand strong{font-size:16px;display:block}.brand small{color:#95a6a1;margin-top:3px;font-size:11px;display:block}.nav-label{color:#9eaaa6;margin:0 10px 12px;font-size:11px;font-weight:700}.app-nav{flex-direction:column;gap:5px;display:flex}.app-nav a{color:#72817d;border-radius:7px;align-items:center;gap:12px;padding:12px;font-size:14px;font-weight:600;text-decoration:none;display:flex}.app-nav a:hover,.app-nav a.router-link-active{color:#237d6f;background:#eaf5f1}.sidebar-bottom{border-top:1px solid #edf1ef;align-items:center;gap:10px;margin-top:auto;padding:20px 5px 0;display:flex}.account-avatar,.message-avatar{color:#9c6842;background:#f8e7d3;border-radius:50%;flex:none;place-items:center;width:36px;height:36px;font-weight:700;display:grid}.account-info{flex:1;min-width:0}.account-info strong,.account-info span{text-overflow:ellipsis;display:block;overflow:hidden}.account-info strong{font-size:13px}.account-info span{color:#94a29e;margin-top:2px;font-size:12px}.logout-icon{color:#93a19c;background:0 0;border:0;padding:7px}.logout-icon:hover{color:#c75b53}.with-header{width:calc(100% - 248px);margin-left:248px}.page-container{max-width:1060px;margin:0 auto;padding:46px 48px}.page-title{color:#243a34;margin:0 0 26px;font-size:27px}.page-heading{justify-content:space-between;align-items:center;gap:16px;display:flex}.page-heading .page-title{margin:8px 0}.eyebrow,.auth-kicker{color:#78a69a;font-size:11px;font-weight:800}.eyebrow span{color:#d0ddd8;padding:0 5px}.page-description{color:#8b9b95;margin:0;font-size:14px}.usage-badge{color:#58887b;white-space:nowrap;background:#eaf5f1;border-radius:6px;align-items:center;gap:7px;padding:10px 12px;font-size:12px;display:flex}.card{background:#fff;border:1px solid #e5ece9;border-radius:8px;margin-bottom:16px;padding:24px;box-shadow:0 4px 18px #2c554708}.form-group{margin-bottom:20px}.form-group label{color:#526660;margin-bottom:8px;font-size:13px;font-weight:700;display:block}.form-input{color:#30433d;background:#fff;border:1px solid #dce6e1;border-radius:6px;outline:none;width:100%;min-width:0;padding:11px 13px}.form-input:focus{border-color:#62a997;box-shadow:0 0 0 3px #dff1eb}.form-input::placeholder{color:#a5b3ae}.btn{white-space:nowrap;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;padding:11px 20px;font-size:14px;font-weight:700;text-decoration:none;display:inline-flex}.btn-primary{color:#fff;background:#258473}.btn-primary:hover{background:#1b6e60}.btn-secondary{color:#527068;background:#eef4f1}.btn-secondary:hover{background:#e3efea}.btn-danger{color:#bf6258;background:#fff5f3;border-color:#f4ded9}.btn-sm{padding:7px 12px;font-size:12px}.auth-shell{background:#f2f7f4;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:35px 20px;display:flex}.auth-brand{margin-bottom:28px;font-size:16px;font-weight:800}.auth-card{background:#fff;border:1px solid #e5eeea;border-radius:8px;width:min(100%,430px);padding:38px 40px;box-shadow:0 15px 45px #244b3b0c}.auth-card h1{color:#243a34;margin:10px 0;font-size:27px}.auth-card .subtitle{color:#899b94;margin:0 0 28px;font-size:14px}.auth-card .link{text-align:center;color:#8c9c96;margin:22px 0 0;font-size:13px}.auth-card .link a{color:#258473;font-weight:700;text-decoration:none}.auth-footer{color:#a0aea8;margin-top:25px;font-size:12px}.error-msg{color:#b84e46;background:#fff3f1;border-radius:6px;margin-bottom:16px;padding:10px 12px;font-size:13px}.chat-page{flex-direction:column;max-width:1110px;height:100vh;display:flex}.chat-area{flex-direction:column;flex:1;gap:20px;min-height:150px;padding:24px 0;display:flex;overflow-y:auto}.chat-welcome{text-align:center;width:100%;max-width:710px;margin:auto}.welcome-icon{color:#258473;background:#dff2e9;border-radius:18px;place-items:center;width:60px;height:60px;margin:0 auto 20px;display:grid}.welcome-kicker{color:#6da494;font-size:13px;font-weight:700}.chat-welcome h3{color:#293e38;margin:10px 0;font-size:26px}.chat-welcome p{color:#91a19b;margin:0;font-size:14px}.suggestions{text-align:left;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:34px;display:grid}.suggestions button{text-align:left;color:#334a42;background:#fff;border:1px solid #e4ece8;border-radius:8px;min-height:90px;padding:18px;position:relative}.suggestions button:hover{background:#fbfefc;border-color:#82b9aa}.suggestions span,.suggestions small{display:block}.suggestions span{font-size:14px;font-weight:700}.suggestions small{color:#99a9a2;margin-top:9px;font-size:12px}.suggestions svg{color:#7ea99d;position:absolute;top:17px;right:15px}.message-row{align-items:flex-start;gap:12px;max-width:85%;display:flex}.message-row.user{flex-direction:row-reverse;align-self:flex-end}.message-row.user .message-name{text-align:right}.message-row.ai .message-avatar{color:#258473;background:#dff2e9}.message-name{color:#8a9a94;margin:0 0 7px;font-size:12px}.chat-msg{white-space:pre-wrap;overflow-wrap:anywhere;border-radius:8px;padding:13px 16px;font-size:14px;line-height:1.8}.chat-msg.ai{background:#fff;border:1px solid #e5ece9}.chat-msg.user{color:#fff;background:#278575}.composer{background:#fff;border:1px solid #dce8e2;border-radius:8px;padding:12px 14px;box-shadow:0 8px 24px #315a4a0a}.chat-input-row{align-items:center;gap:10px;display:flex}.chat-input{border:0;padding:8px 4px;box-shadow:none!important}.send-button{color:#fff;background:#258473;border:0;border-radius:6px;flex:none;place-items:center;width:38px;height:38px;display:grid}.composer-tools,.composer-left{align-items:center;gap:12px;display:flex}.composer-tools{border-top:1px solid #f0f4f2;flex-wrap:wrap;justify-content:space-between;margin-top:8px;padding-top:10px}.model-label,.upload-label{color:#83978e;align-items:center;gap:6px;font-size:12px;display:inline-flex}.model-select{color:#536d62;background:#f3f7f5;border:0;border-radius:5px;padding:5px;font-size:12px}.upload-label{cursor:pointer;white-space:nowrap;max-width:230px;overflow:hidden}.upload-label input{opacity:0;width:1px;height:1px;position:absolute}.upload-action{color:#258473;background:#eaf5f1;border:0;border-radius:5px;padding:7px 10px;font-size:12px;font-weight:700}.chat-note{text-align:center;color:#a9b7b0;padding:12px;font-size:11px}.plan-item .date{color:#a3b1ab;margin-bottom:8px;font-size:12px}.plan-item .query{overflow-wrap:anywhere;margin-bottom:8px;font-size:15px;font-weight:700}.plan-item .response{color:#74857e;white-space:pre-wrap;max-height:120px;font-size:14px;line-height:1.7;overflow:hidden}.child-row{border-bottom:1px solid #eff3f1;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;display:flex}.child-name{font-weight:700}.child-usage{color:#8b9c95;margin-top:5px;font-size:13px}.progress-bar{background:#edf2ef;border-radius:4px;width:100%;height:7px;overflow:hidden}.progress-fill{border-radius:4px;height:100%}.progress-fill.safe{background:#5db798}.progress-fill.warn{background:#e4ae55}.progress-fill.danger{background:#df7971}.pagination{justify-content:center;gap:10px;margin-top:20px;display:flex}.empty-state{text-align:center;color:#a2b1aa;padding:60px 20px;font-size:14px}@media (width<=760px){.app-layout{display:block}.app-sidebar{border-bottom:1px solid #e7edeb;border-right:0;width:100%;padding:12px 16px;position:relative}.brand{margin-bottom:12px;padding:0}.brand-mark{width:34px;height:34px;font-size:17px}.brand small,.nav-label,.account-info{display:none}.app-nav{flex-direction:row;gap:4px;padding-right:40px;overflow-x:auto}.app-nav a{white-space:nowrap;padding:9px;font-size:12px}.app-nav svg{width:16px}.sidebar-bottom{border:0;padding:0;position:absolute;top:10px;right:15px}.sidebar-bottom .account-avatar{display:none}.with-header{width:100%;margin:0}.page-container{padding:28px 20px}.chat-page{height:calc(100dvh - 109px);min-height:500px}.page-heading{flex-direction:column;align-items:flex-start}.page-title{font-size:23px}.suggestions{grid-template-columns:1fr;gap:8px;margin-top:20px}.suggestions button{min-height:68px;padding:13px}.suggestions small{margin-top:4px}.chat-welcome h3{font-size:21px}.chat-area{padding:18px 0}.message-row{max-width:95%}.auth-card{padding:30px 24px}.composer-left{flex-wrap:wrap;gap:8px}.child-row{flex-wrap:wrap}}