:root{--bg: #f5f6f8;--surface: #ffffff;--border: #e5e6eb;--text: #1f2329;--text-2: #4e5969;--text-3: #8a919f;--accent: #0f3460;--accent-text: #ffffff;--hover-bg: #f0f2f5;--tag-bg: #eef1f6;--chart-grid: #eeeeee;--input-bg: #ffffff;--sidebar-bg: #0d1b2a;--sidebar-text: #b8c4d0;--sidebar-hover: #16283c;--sidebar-active-bg: #1b3a5c;--sidebar-active-text: #ffffff;--sidebar-border: #1e3048}body.dark{--bg: #101418;--surface: #1a2028;--border: #2a323c;--text: #e8eaed;--text-2: #a8b3bf;--text-3: #6b7684;--accent: #4d8fd6;--accent-text: #0d1117;--hover-bg: #232b35;--tag-bg: #232b35;--chart-grid: #2a323c;--input-bg: #141a21;--sidebar-bg: #0a0e13;--sidebar-hover: #141c26;--sidebar-active-bg: #1b3a5c;--sidebar-border: #182230}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);transition:background .25s,color .25s}.app{height:100vh;display:flex}.sidebar{width:210px;flex-shrink:0;background:var(--sidebar-bg);color:var(--sidebar-text);display:flex;flex-direction:column;transition:width .2s ease;overflow:hidden}.app.collapsed .sidebar{width:60px}.side-logo{display:flex;align-items:center;gap:10px;padding:18px 16px;font-weight:700;font-size:15px;color:#fff;cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none}.app.collapsed .side-logo{justify-content:center;padding:18px 0}.side-nav{flex:1;overflow-y:auto;padding:4px 10px}.side-group{font-size:11px;color:var(--text-3);padding:14px 8px 6px;letter-spacing:1px;white-space:nowrap}.app.collapsed .side-group{text-align:center;padding:14px 0 6px}.app.collapsed .side-group span{display:none}.app.collapsed .side-group:after{content:"···"}.side-item{display:flex;align-items:center;gap:10px;width:100%;border:none;background:none;color:var(--sidebar-text);padding:9px 10px;border-radius:8px;cursor:pointer;font-size:14px;text-align:left;white-space:nowrap;margin-bottom:2px}.side-item:hover{background:var(--sidebar-hover)}.side-item.active{background:var(--sidebar-active-bg);color:var(--sidebar-active-text);font-weight:600}.side-item .icon{font-size:16px;width:20px;text-align:center;flex-shrink:0}.app.collapsed .side-item{justify-content:center;padding:9px 0}.app.collapsed .side-item .label{display:none}.side-item.soon{opacity:.45;cursor:not-allowed}.side-footer{border-top:1px solid var(--sidebar-border);padding:10px;display:flex;flex-direction:column;gap:4px}.side-footer .user-row{display:flex;align-items:center;gap:8px;padding:6px 8px;font-size:13px;white-space:nowrap}.app.collapsed .side-footer .user-row span{display:none}.link-btn{border:none;background:none;color:#7fa8d9;cursor:pointer;font-size:12px}.main-wrap{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{display:flex;align-items:center;gap:14px;padding:10px 20px;background:var(--surface);border-bottom:1px solid var(--border)}.quick-ask{flex:1;max-width:560px;padding:9px 16px;border:1px solid var(--border);border-radius:20px;background:var(--input-bg);color:var(--text);font-size:13px}.quick-ask:focus{outline:2px solid var(--accent);border-color:transparent}main{flex:1;overflow:hidden;display:flex}.chat-slot{flex:1;min-width:0}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a2e,#16213e 60%,#0f3460)}.login-card{background:var(--surface);padding:40px 36px;border-radius:16px;width:360px;display:flex;flex-direction:column;gap:14px;box-shadow:0 20px 60px #0000004d}.login-card h1{font-size:22px;text-align:center}.login-sub{color:var(--text-3);text-align:center;margin-bottom:8px}.login-card input{padding:11px 14px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:var(--input-bg);color:var(--text)}.login-card input:focus{outline:2px solid var(--accent);border-color:transparent}.login-card button{padding:12px;border:none;border-radius:8px;background:var(--accent);color:var(--accent-text);font-size:15px;cursor:pointer}.login-card button:disabled{opacity:.5;cursor:not-allowed}.login-error{color:#e5484d;font-size:13px;text-align:center}.login-hint{color:var(--text-3);font-size:12px;text-align:center}.mode-tabs{display:flex;gap:6px;background:var(--hover-bg);border-radius:8px;padding:4px}.mode-tabs button{flex:1;padding:8px;border:none;border-radius:6px;background:none;color:var(--text-2);font-size:14px;cursor:pointer}.mode-tabs button.active{background:var(--surface);color:var(--accent);font-weight:600}.chat-page{flex:1;display:flex;flex-direction:column;max-width:900px;margin:0 auto;width:100%}.chat-messages{flex:1;overflow-y:auto;padding:24px}.chat-empty{color:var(--text-3);text-align:center;margin-top:80px}.msg{margin-bottom:16px;padding:12px 16px;border-radius:10px;line-height:1.7;font-size:14px;white-space:pre-wrap;max-width:88%}.msg-user{background:var(--accent);color:var(--accent-text);margin-left:auto}.msg-assistant{background:var(--surface);border:1px solid var(--border)}.tool-badge{display:inline-block;background:var(--hover-bg);border-radius:12px;padding:3px 10px;font-size:12px;color:var(--text-2);margin:0 6px 8px 0}.chat-input{display:flex;gap:10px;padding:16px 24px;background:var(--surface);border-top:1px solid var(--border)}.chat-input textarea{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:8px;resize:none;font-size:14px;font-family:inherit;background:var(--input-bg);color:var(--text)}.chat-input button{align-self:flex-end;padding:10px 20px;border:none;border-radius:8px;background:var(--accent);color:var(--accent-text);cursor:pointer}.chat-input button:disabled{opacity:.5;cursor:not-allowed}.library-page{flex:1;overflow-y:auto;padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:28px}.page-pad{flex:1;overflow-y:auto;padding:28px}.section-head{display:flex;align-items:center;justify-content:space-between}.library-page h2,.page-pad h2{font-size:16px;margin-bottom:14px}.doc-list{list-style:none}.doc-list li{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 16px;margin-bottom:10px}.doc-title{font-weight:600;font-size:14px;margin-bottom:6px}.doc-summary{font-size:13px;color:var(--text-2);line-height:1.6}.doc-tags{margin-top:8px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.tag{background:var(--tag-bg);border-radius:4px;padding:2px 8px;font-size:12px;color:var(--accent)}.status{font-size:12px;font-weight:400;margin-left:8px}.status-ready{color:#00b578}.status-processing{color:#ff8f1f}.status-failed{color:#e5484d}.mem-form{display:flex;gap:8px;margin-bottom:14px}.mem-form input{flex:1;padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--text);font-size:13px}.mem-form button{padding:9px 16px;border:none;border-radius:8px;background:var(--accent);color:var(--accent-text);cursor:pointer;font-size:13px}.dash-page{flex:1;overflow-y:auto;padding:24px 28px}.dash-page h2{font-size:18px;margin-bottom:18px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:20px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 18px}.stat-value{font-size:26px;font-weight:700;color:var(--accent)}.stat-label{font-size:13px;color:var(--text-2);margin-top:4px}.stat-sub{font-size:12px;color:var(--text-3);margin-top:2px}.charts-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px}@media (max-width: 900px){.charts-row{grid-template-columns:1fr}}.chart-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 18px}.chart-card h3{font-size:14px;margin-bottom:12px}.chart-empty{color:var(--text-3);font-size:13px;text-align:center;margin-top:60px}.task-list{list-style:none}.task-list li{display:flex;align-items:baseline;gap:8px;padding:8px 0;border-bottom:1px dashed var(--border);font-size:13px}.task-detail{color:var(--text-2);flex:1}.task-time{color:var(--text-3);font-size:12px}.today-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:20px}.today-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 18px}.today-num{font-size:22px;font-weight:700}.today-label{font-size:13px;color:var(--text-2);margin-top:4px}.arrow{font-size:12px;margin-left:6px}.arrow.up{color:#00b578}.arrow.down{color:#e5484d}.arrow.flat{color:var(--text-3)}.recent-list{list-style:none}.recent-list li{display:flex;justify-content:space-between;gap:10px;padding:9px 10px;border-radius:8px;cursor:pointer;font-size:13px}.recent-list li:hover{background:var(--hover-bg)}.recent-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.recent-meta{color:var(--text-3);font-size:12px;white-space:nowrap}.remind-list{list-style:none}.remind-list li{padding:8px 10px;border-radius:8px;font-size:13px;line-height:1.6;margin-bottom:6px}.remind-warn{background:#ff8f1f1f;color:var(--text)}.remind-info{background:var(--hover-bg);color:var(--text-2)}.digest-box{font-size:13px;line-height:1.8;color:var(--text-2);white-space:pre-wrap;background:var(--hover-bg);border-radius:8px;padding:12px 14px}.history-page{flex:1;display:flex;gap:0;overflow:hidden}.conv-list{width:340px;flex-shrink:0;border-right:1px solid var(--border);overflow-y:auto;padding:20px}.conv-list h2{font-size:15px;margin-bottom:12px}.conv-list ul{list-style:none}.conv-list li{padding:10px 12px;border-radius:8px;cursor:pointer;margin-bottom:4px}.conv-list li:hover{background:var(--hover-bg)}.conv-list li.active{background:var(--hover-bg);border-left:3px solid var(--accent)}.conv-detail{flex:1;overflow-y:auto;padding:20px 24px;display:flex;flex-direction:column}.conv-detail-title{font-weight:600;font-size:15px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--border)}.conv-messages{flex:1}.setting-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 20px;margin-bottom:16px;max-width:640px}.setting-card h3{font-size:14px;margin-bottom:10px}.setting-row{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px dashed var(--border);font-size:13px}.setting-row:last-child{border-bottom:none}.setting-label{color:var(--text-2)}.setting-value{font-weight:600}.pwd-form{display:flex;gap:8px;flex-wrap:wrap}.pwd-form input{flex:1;min-width:160px;padding:9px 12px;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--text);font-size:13px}.pwd-form button{padding:9px 20px;border:none;border-radius:8px;background:var(--accent);color:var(--accent-text);cursor:pointer;font-size:13px}.pwd-form button:disabled{opacity:.5;cursor:not-allowed}.setting-msg{font-size:13px;margin-top:10px}.setting-msg.ok{color:#00b578}.setting-msg.err{color:#e5484d}.setting-note{font-size:12px;color:var(--text-3);margin-top:6px}.menu-btn{display:none;border:none;background:none;color:var(--text);font-size:20px;cursor:pointer;padding:4px 8px;line-height:1}.mobile-title{display:none;font-weight:600;font-size:15px;white-space:nowrap}.side-backdrop{display:none}@supports (height: 100dvh){.app{height:100dvh}}@media (max-width: 768px){.sidebar{position:fixed;left:0;top:0;bottom:0;height:100dvh;width:240px!important;z-index:60;transform:translate(-100%);transition:transform .25s ease;box-shadow:4px 0 24px #00000059}.app.collapsed .sidebar{width:240px!important}.app.collapsed .side-logo{justify-content:flex-start;padding:18px 16px}.app.collapsed .side-group{text-align:left;padding:14px 8px 6px}.app.collapsed .side-group span{display:inline}.app.collapsed .side-group:after{content:none}.app.collapsed .side-item{justify-content:flex-start;padding:9px 10px}.app.collapsed .side-item .label,.app.collapsed .side-footer .user-row span{display:inline}.sidebar.open{transform:translate(0)}.side-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:50}.menu-btn{display:inline-flex}.mobile-title{display:inline}.topbar{gap:8px;padding:8px 12px}.quick-ask{min-width:0;font-size:16px;padding:8px 14px}.chat-messages{padding:14px 12px}.msg{max-width:94%;font-size:15px}.chat-input{padding:10px 12px calc(10px + env(safe-area-inset-bottom));gap:8px}.chat-input textarea{font-size:16px;padding:9px 12px}.chat-input button{padding:10px 16px}.library-page{grid-template-columns:1fr;padding:16px;gap:16px}.page-pad{padding:16px}.dash-page{padding:16px 16px calc(24px + env(safe-area-inset-bottom))}.setting-card{max-width:100%}.history-page{flex-direction:column;overflow-y:auto}.conv-list{width:100%;max-height:38vh;border-right:none;border-bottom:1px solid var(--border);padding:14px}.conv-detail{padding:14px 16px calc(20px + env(safe-area-inset-bottom));overflow-y:visible}.stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}.today-grid{gap:10px;margin-bottom:14px}.today-card{padding:10px 12px}.today-num{font-size:18px}.today-label{font-size:12px}.chart-card{padding:12px}.chart-card h3{font-size:13px}.login-card{width:min(360px,92vw);padding:28px 22px}.login-card input,.mem-form input,.pwd-form input{font-size:16px}.mem-form,.pwd-form{flex-wrap:wrap}}@media (hover: none){.recent-list li:active,.conv-list li:active{background:var(--hover-bg)}}