:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:#243b36;background:#fafcfb;font-synthesis:none;font-size:var(--text-base);--primary: #0d7166;--primary-dark: #095c53;--muted: #617269;--border: #dce6df;--soft: #edf5ef;--ink: #243b33;--text-xs: 13px;--text-sm: 14px;--text-base: 16px;--text-lg: 18px;--text-title: 38px}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}a{color:var(--primary);text-decoration:none}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #89c8b9;outline-offset:3px}button:focus:not(:focus-visible){outline:none}h1,h2,h3,p{margin:0}button svg,a svg,span svg{flex-shrink:0}textarea{resize:vertical;line-height:1.8}hr{border:0;border-top:1px solid var(--border);width:100%;margin:6px 0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.muted{color:var(--muted);font-size:var(--text-sm)}.nowrap{white-space:nowrap}.spin{animation:spin 1s linear infinite}.app-shell{display:flex;height:100dvh;min-height:500px;overflow:hidden}.sidebar{width:272px;flex:none;display:flex;flex-direction:column;border-right:1px solid var(--border);background:#f1f6f2;padding:32px 20px 20px}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:44px;height:46px;display:grid;place-items:center;background:var(--primary);color:#fff;border-radius:13px 13px 13px 4px;box-shadow:0 3px 8px #0d716612}.brand strong{display:block;font-size:18px;font-weight:650;letter-spacing:.3px}.brand>div>span{display:block;font-size:12px;color:var(--muted);letter-spacing:.3px;margin-top:6px}.brand-link{color:inherit}.new-chat{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #a8cfc0;border-radius:10px;padding:12px 14px;font-weight:600;color:var(--primary);margin:32px 0 18px;box-shadow:0 2px 4px #183d2c04;min-height:50px}.new-chat:hover{background:#edf7f2}.new-chat>span{margin-left:auto;font-size:var(--text-lg);color:var(--muted)}.main-nav{display:flex;flex-direction:column;gap:7px}.main-nav>button{display:flex;align-items:center;gap:11px;border:0;background:transparent;padding:12px 13px;border-radius:8px;color:#4f6559;text-align:left;font-weight:500;min-height:48px}.main-nav>button.selected{background:#dcece3;color:var(--primary);font-weight:600}.main-nav>button:hover{background:#e8f1eb}.nav-count{margin-left:auto;font-size:var(--text-sm);background:#dde9e2;padding:2px 7px;border-radius:5px}.sidebar-divider{height:1px;background:var(--border);margin:26px 3px 21px}.history-heading{font-size:var(--text-sm);color:var(--muted);display:flex;justify-content:space-between;padding:0 8px;flex-wrap:wrap;gap:8px}.history-heading>span{font-size:12px;color:var(--muted)}.history-list{min-height:0;flex:1;overflow:auto;margin-top:13px}.history-empty{font-size:var(--text-sm);line-height:1.9;color:var(--muted);padding:14px 10px}.history-item{display:flex;align-items:center;border-radius:7px;margin-bottom:4px}.history-item>button:first-child{background:none;border:0;display:flex;align-items:center;gap:9px;font-size:var(--text-sm);text-align:left;min-width:0;padding:10px 8px;flex:1;color:var(--muted);min-height:44px}.history-item>button:first-child>span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.history-item.active,.history-item:hover{background:#e8f0eb}.history-item.active>button:first-child{color:var(--primary)}.history-delete{border:0;background:none;opacity:0;padding:8px 5px;color:var(--muted)}.history-item:hover .history-delete,.history-delete:focus-visible{opacity:1}.sidebar-bottom{margin-top:auto;padding-top:20px}.support-note{display:flex;align-items:center;gap:10px;padding:16px 6px 20px;border-bottom:1px solid var(--border);margin-bottom:13px}.mini-spark{color:var(--muted)}.support-note strong{font-size:13px;font-weight:500;color:var(--muted)}.support-note p{font-size:12px;color:var(--muted);margin-top:5px;line-height:1.7}.admin-link{display:flex;align-items:center;gap:9px;font-size:var(--text-sm);color:var(--muted);padding:10px;min-height:44px}.admin-link svg:last-child:not(:first-child){margin-left:auto}.main-panel{display:flex;flex-direction:column;min-width:0;flex:1;background:#f8fbf9}.topbar{height:80px;flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 40px;border-bottom:1px solid var(--border);background:#fff}.topbar>div{display:flex;align-items:center;gap:10px}.topbar strong{font-weight:600;font-size:var(--text-base)}.breadcrumb{color:var(--muted);font-size:var(--text-sm);display:flex;align-items:center;gap:10px}.knowledge-badge{display:flex;gap:7px;align-items:center;font-size:var(--text-xs);color:#426652;border:1px solid #e3ede6;border-radius:20px;padding:9px 14px;background:#f1f7f3;border-color:#dbe9df}.knowledge-badge>span,.eyebrow>span{width:5px;height:5px;background:#59a385;border-radius:50%}.chat-scroll{overflow:auto;flex:1;scroll-behavior:smooth}.welcome{max-width:1264px;padding:64px 48px 40px;margin:auto}.hero{position:relative;margin-bottom:32px}.eyebrow{display:flex;align-items:center;gap:8px;color:#38745c;font-size:var(--text-xs);letter-spacing:1px;margin-bottom:18px;font-weight:600}.hero h1{text-wrap:balance;font-weight:650;font-size:var(--text-title);line-height:1.35;letter-spacing:-.5px;color:#183f30}.hero p{font-size:var(--text-base);color:var(--muted);line-height:1.8;margin-top:16px}.composer{border:1px solid #b6cfc1;border-radius:18px;background:#fff;padding:24px 24px 18px;box-shadow:0 8px 32px #244c3510;transition:border-color .2s,box-shadow .2s}.composer:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px #0d716611,0 8px 32px #244c3510}.composer textarea{width:100%;border:0;background:transparent;resize:none;outline:none;line-height:1.8;font-size:var(--text-lg);padding:0;color:var(--ink);min-height:64px;max-height:180px}.composer textarea:focus-visible{outline:none}.composer textarea::placeholder{color:#718178}.composer-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:16px;gap:16px}.composer-bottom>span{font-size:var(--text-xs);display:flex;align-items:center;gap:7px;color:var(--muted);line-height:1.6}.keyboard-hint{color:var(--muted);font-size:var(--text-xs)}.send-button{border:0;background:var(--primary);color:#fff;width:auto;height:46px;border-radius:10px;display:inline-flex;place-items:center;min-width:96px;padding:0 18px;align-items:center;justify-content:center;gap:9px;font-size:var(--text-sm);font-weight:600;flex-shrink:0}.send-button:hover:not(:disabled){background:var(--primary-dark)}.send-button:disabled{opacity:1;background:#dce9e0;color:#62816d}.home-composer{min-height:190px}.suggestion-header,.section-heading{display:flex;align-items:center;justify-content:space-between;margin:36px 0 18px}.suggestion-header h2,.section-heading h2{font-size:var(--text-lg);font-weight:600;display:flex;gap:8px;align-items:center}.suggestion-header>span{font-size:var(--text-xs);color:var(--muted)}.starter-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.starter-card{display:flex;flex-direction:column;align-items:flex-start;position:relative;border:1px solid #e5ece7;background:#fff;border-radius:14px;text-align:left;min-height:188px;padding:22px;transition:transform .18s,border-color .18s,box-shadow .18s;border-color:var(--border)}.starter-card>svg:first-child{color:#69957f;stroke-width:1.5;margin-bottom:14px}.starter-card:hover{transform:translateY(-3px);border-color:#8bb69f;box-shadow:0 8px 24px #174b2d0d}.starter-category{color:var(--muted);font-size:var(--text-xs);margin-bottom:8px}.starter-card strong{font-size:var(--text-base);font-weight:600;line-height:1.65;color:#283f33}.starter-arrow{position:absolute;right:20px;top:24px;color:#6d8b78}.featured-questions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.featured-questions button{border:1px solid var(--border);background:#f0f6f1;font-size:var(--text-xs);color:#466f56;border-radius:8px;padding:9px 12px;display:flex;gap:5px;align-items:center;line-height:1.5;min-height:38px}.section-heading{margin-top:35px}.text-button{display:inline-flex;align-items:center;gap:6px;background:none;border:0;color:var(--primary);font-size:var(--text-sm);padding:3px 0;min-height:36px}.text-button:hover{text-decoration:underline}.manual-cards{display:flex;flex-direction:column;gap:10px}.manual-card{display:flex;align-items:center;gap:18px;border:1px solid var(--border);border-radius:14px;padding:22px;background:#fff;text-align:left;width:100%;min-height:100px}.manual-card:hover{border-color:#a7cbb6;background:#fbfdfb}.manual-icon{display:grid;place-items:center;width:52px;height:56px;flex:none;border:1px solid #dfeae1;border-radius:9px;background:#edf5ef;color:#477e5d}.manual-card>span:nth-child(2){min-width:0;flex:1}.manual-card strong{display:block;font-weight:600;font-size:var(--text-base);line-height:1.6}.manual-card small{display:block;color:var(--muted);font-size:var(--text-xs);line-height:1.8;margin-top:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.manual-card>svg{color:#6d8b78}.dot-divider{margin:0 9px;color:var(--muted)}.home-footnote{font-size:var(--text-xs);color:var(--muted);display:flex;align-items:center;justify-content:center;gap:6px;margin-top:28px;line-height:1.7}.mobile-menu,.mobile-only{display:none!important}.messages{max-width:1100px;margin:auto;padding:40px 40px 12px}.exchange{margin-bottom:40px}.user-message{display:flex;align-items:flex-start;justify-content:flex-end;gap:11px;margin-bottom:28px}.user-message>div{max-width:85%;background:#e9f3ed;border:1px solid #dfece3;padding:14px 20px;border-radius:13px 3px 13px 13px;font-size:var(--text-lg);line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}.user-message>span{display:grid;place-items:center;background:#e6eee7;border:1px solid #dce8df;color:#467254;width:40px;height:42px;border-radius:9px}.assistant-message{display:flex;align-items:flex-start;gap:16px}.assistant-avatar{display:grid;place-items:center;width:40px;height:42px;border-radius:10px 10px 10px 3px;background:var(--primary);color:#fff;flex:none}.answer-body{flex:1;min-width:0;padding-top:5px}.answer-heading{font-size:var(--text-base);font-weight:600;display:flex;align-items:center;gap:10px;margin-bottom:13px}.context-hint{margin:-4px 0 16px;color:var(--muted);font-size:var(--text-sm);line-height:1.5}.answer-heading>span{font-size:var(--text-xs);color:#54745d;font-weight:400;border:1px solid var(--border);padding:2px 6px;border-radius:4px;background:#edf5ef}.markdown{font-size:var(--text-lg);line-height:1.9;color:#304739;overflow-wrap:anywhere}.markdown>p,.markdown>ol,.markdown>ul{margin:9px 0}.markdown strong{color:#2d4939;font-weight:600}.markdown h1,.markdown h2,.markdown h3{font-size:calc(var(--text-lg) + 2px);margin:17px 0 8px}.markdown ul,.markdown ol{padding-left:22px}.markdown li{margin:7px 0}.markdown code{background:#eff4f0;padding:2px 5px;border-radius:4px;font-size:var(--text-sm)}.markdown pre{white-space:pre-wrap;background:#f3f6f3;padding:15px;border-radius:8px;overflow:auto}.answer-sources{margin-top:20px;display:flex;flex-direction:column;gap:7px}.sources-label{font-size:var(--text-sm);display:flex;gap:6px;align-items:center;color:var(--muted);margin-bottom:6px}.source-card{display:flex;align-items:center;gap:10px;padding:15px 16px;border:1px solid #e1ebe2;background:#f1f7f3;border-radius:10px;color:#4d6f58;min-width:0}.source-card>span:nth-child(2){flex:1;min-width:0}.source-card strong{display:block;font-size:var(--text-base);font-weight:500;line-height:1.7}.source-card small{display:block;font-size:var(--text-xs);color:var(--muted);margin-top:3px;line-height:1.6}.source-card:hover{border-color:#b9cfbd}.source-number{flex:none;font-size:var(--text-xs);display:grid;place-items:center;width:26px;height:26px;border:1px solid #dce8dd;border-radius:5px;background:#fff;color:#477e5d}.answer-actions{display:flex;gap:14px;align-items:center;margin-top:16px}.answer-actions button{display:flex;align-items:center;gap:5px;background:none;border:0;color:var(--muted);font-size:var(--text-sm);padding:3px 0;min-height:40px}.answer-actions button:hover,.answer-actions button.chosen{color:var(--primary)}.action-separator{height:12px;background:var(--border);width:1px}.feedback-note{display:block;color:var(--muted);margin-top:9px;font-size:var(--text-xs)}.contact-hint{display:flex;align-items:flex-start;gap:8px;font-size:var(--text-sm);color:var(--muted);background:#f5f8f4;padding:12px;border-radius:8px;margin-top:12px;line-height:1.8}.bottom-composer{max-width:1100px;padding:12px 40px 20px;width:100%;margin:auto;flex:none;background:#f8fbf9}.bottom-composer>p{font-size:var(--text-xs);color:var(--muted);text-align:center;margin-top:9px;line-height:1.6}.bottom-composer textarea{font-size:var(--text-lg)}.thinking{padding-top:10px;color:var(--muted);font-size:var(--text-sm);display:flex;gap:13px;align-items:center}.thinking-dots{display:flex;gap:4px}.thinking-dots i{width:4px;height:4px;background:#80b296;border-radius:50%;animation:pulse 1.2s infinite}.thinking-dots i:nth-child(2){animation-delay:.2s}.thinking-dots i:nth-child(3){animation-delay:.4s}.chat-error{display:flex;align-items:center;gap:8px;margin:0 auto;padding:0 45px;max-width:1100px;width:100%}.chat-error>.notice{flex:1}.notice{display:flex;gap:8px;align-items:flex-start;padding:12px 14px;border-radius:8px;background:#fff4ee;border:1px solid #f2dacd;color:#a46743;font-size:var(--text-sm);line-height:1.8;margin:10px 0}.notice.success{background:#edf7f1;color:#438563;border-color:#cee7d8}.notice.info{background:#eff6fa;color:#58849d;border-color:#d3e6ee}.notice svg{margin-top:3px;flex:none}.loading{display:flex;align-items:center;justify-content:center;gap:10px;min-height:120px;color:var(--muted);font-size:var(--text-base)}.full-loading{height:100dvh;display:grid;place-items:center}.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:160px;padding:26px;color:var(--muted);gap:12px}.empty p{font-size:var(--text-sm);line-height:1.8}.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 14px;border:1px solid #dfe8e1;background:#fff;border-radius:7px;font-size:var(--text-sm);font-weight:500;white-space:nowrap;min-height:42px}.button:hover:not(:disabled){background:#f2f7f3}.button.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.button.primary:hover:not(:disabled){background:var(--primary-dark)}.button.danger,.danger{color:#b57468}.icon-button{display:inline-flex;align-items:center;justify-content:center;background:none;border:0;padding:8px;border-radius:6px;flex-shrink:0;color:var(--muted);min-width:40px;min-height:40px}.icon-button:hover:not(:disabled){background:#edf3ee}.icon-button.danger:hover{background:#fff1ed;color:#a64e3c}.pill{display:inline-flex;align-items:center;padding:4px 8px;border-radius:5px;font-size:var(--text-xs);white-space:nowrap;font-weight:400}.pill.green{background:#eaf5ee;color:#4a8e66}.pill.gray{background:#f0f3f1;color:var(--muted)}.pill.amber{background:#fcf4e6;color:#b58f4e}.modal-backdrop{position:fixed;inset:0;z-index:50;background:#1e382f55;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:30px}.modal{width:560px;max-width:100%;max-height:90dvh;overflow:auto;border-radius:16px;background:#fff;box-shadow:0 20px 70px #173c2d26;outline:none}.modal.wide{width:1040px}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 25px;border-bottom:1px solid var(--border);position:sticky;top:0;background:#fff;z-index:2}.modal-header h2{font-size:var(--text-lg);font-weight:600}.modal>.form,.question-detail{padding:25px}.form{display:flex;flex-direction:column;gap:19px}.form label,.login-card label{display:flex;flex-direction:column;font-size:var(--text-sm);color:#5d7666;gap:8px;min-width:0}.form input:not([type=checkbox]),.form textarea,.form select,.login-card input{width:100%;padding:10px 12px;border-radius:7px;border:1px solid #dae5dc;background:#fff;color:#3d5546;font-size:var(--text-base)}.form input::placeholder,.form textarea::placeholder,.search-field input::placeholder{color:#718178}.form input[type=file]{font-size:var(--text-sm);padding:8px}.form input[type=file]::file-selector-button{background:#edf4ef;border:0;padding:3px 7px;border-radius:4px;color:var(--muted);margin-right:6px;cursor:pointer}.form label small{font-size:var(--text-xs);color:var(--muted);line-height:1.8}.form-row{display:flex;gap:20px;align-items:flex-start}.form-row>label{flex:1}.form .checkbox{display:flex;flex-direction:row;align-items:center;gap:8px;font-size:var(--text-sm);min-height:20px}.checkbox input{accent-color:var(--primary);width:15px;height:15px;margin:0}.form-actions{display:flex;align-items:center;justify-content:flex-end;gap:12px;padding-top:9px}.form-actions>.muted{margin-right:auto}.form-actions>.danger{margin-right:auto}.search-field{display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:7px;padding:9px 11px;background:#fff;min-width:0;color:var(--muted);min-height:44px}.search-field input{border:0;outline:none;min-width:0;background:none;font-size:var(--text-sm);flex:1;color:#57745f;line-height:1.5}.search-field input:focus-visible{outline:none}.search-field:focus-within{border-color:#8db89e}.library-list,.library-detail{padding:25px}.library-list{display:flex;flex-direction:column;gap:12px}.library-detail h3{font-size:24px;margin:18px 0 12px;line-height:1.6}.library-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:var(--text-sm);margin-bottom:22px;gap:15px}.library-meta a{display:flex;align-items:center;gap:5px}.chapter-list{margin-top:20px}.chapter-list details{border-bottom:1px solid var(--border)}.chapter-list summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;padding:18px 4px;font-size:var(--text-base);color:#66816d;gap:12px}.chapter-list summary::-webkit-details-marker{display:none}.chapter-list details[open] summary{font-weight:600;color:var(--primary)}.chapter-list details[open] summary svg{transform:rotate(90deg)}.chapter-content{white-space:pre-wrap;font-size:var(--text-base);line-height:1.95;color:var(--muted);padding:8px 10px 14px;background:#fafcf9;overflow-wrap:anywhere}.chapter-link{display:inline-flex;align-items:center;gap:5px;font-size:var(--text-sm);margin:10px 0 17px;min-height:36px}.admin-shell .sidebar{background:#f4f8f5}.workspace-label{color:var(--muted);font-size:var(--text-xs);letter-spacing:2px;margin:40px 13px 15px}.admin-nav{gap:9px}.admin-user{display:flex;align-items:center;gap:10px;padding:12px 6px 19px;border-bottom:1px solid var(--border);margin-bottom:10px}.admin-user>span{background:#e1eae3;color:var(--muted);display:grid;place-items:center;width:34px;height:34px;border-radius:10px;font-size:var(--text-base)}.admin-user>div{flex:1}.admin-user strong{display:block;font-size:var(--text-sm);font-weight:500}.admin-user small{display:block;font-size:var(--text-xs);color:var(--muted);margin-top:4px}.admin-top-label{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:var(--text-sm)}.admin-main{background:#fafcfb}.admin-content{padding:38px 38px 45px;overflow:auto;flex:1}.page-intro{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:29px}.certificate-notice{display:flex;flex-wrap:wrap;align-items:center;gap:18px 28px;margin-bottom:28px;padding:20px 24px;border:1px solid #cddfd5;border-radius:12px;background:#f0f7f3;color:#285c47}.certificate-heading{display:flex;align-items:center;gap:12px;min-width:220px}.certificate-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:#fff9;flex-shrink:0}.certificate-heading strong{display:block;font-size:var(--text-base);font-weight:600}.certificate-heading span:not(.certificate-icon){display:block;font-size:var(--text-sm);margin-top:5px;overflow-wrap:anywhere}.certificate-information{flex:1;min-width:min(100%,320px)}.certificate-information p{font-size:var(--text-sm);line-height:1.8}.certificate-timezone{white-space:nowrap}.certificate-summary{margin-left:auto;text-align:right}.certificate-countdown{display:block;font-size:var(--text-base);font-weight:500;white-space:nowrap}.certificate-countdown b{font-size:28px;font-variant-numeric:tabular-nums;font-weight:650}.certificate-summary details{font-size:var(--text-sm);margin-top:6px;max-width:320px}.certificate-summary summary{cursor:pointer;text-decoration:underline;text-underline-offset:4px;min-height:28px}.certificate-summary details p{text-align:left;line-height:1.8;margin-top:8px}.certificate-notice.warning,.certificate-notice.unavailable,.certificate-notice.not_configured{background:#fff8e8;border-color:#e8d4a2;color:#7d591a}.certificate-notice.critical,.certificate-notice.expired,.certificate-notice.invalid{background:#fff1ef;border-color:#e8b9b3;color:#a33c32}.certificate-notice.loading{background:#f4f7f5;border-color:var(--border);color:var(--muted)}@media(max-width:640px){.certificate-notice{padding:18px;gap:14px;margin-bottom:24px}.certificate-heading{min-width:0;flex-basis:100%}.certificate-summary{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;flex-basis:100%;text-align:left}.certificate-summary details{max-width:100%}}.page-intro .eyebrow{font-size:var(--text-xs);margin-bottom:9px}.page-intro h1{font-size:30px;font-weight:600;color:#2c4b38;line-height:1.5}.page-intro p{font-size:var(--text-sm);color:var(--muted);line-height:1.8;margin-top:7px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-bottom:24px}.stat-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:20px}.stat-card>div{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:var(--text-sm);color:var(--muted)}.stat-card>div svg{color:var(--muted)}.stat-card>strong{display:block;font-size:33px;line-height:1.3;margin:15px 0 9px;font-weight:550;letter-spacing:-1px}.stat-card>small{display:block;font-size:var(--text-xs);color:var(--muted);line-height:1.7}.panel{background:#fff;border:1px solid var(--border);border-radius:10px;padding:23px}.panel h2{font-size:var(--text-base);font-weight:600;color:#526f5c}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:20px}.panel-heading>.muted{font-size:var(--text-xs)}.dashboard-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:23px;margin-bottom:23px}.bar-chart{height:180px;display:flex;justify-content:space-between;gap:16px;margin:30px 10px 0}.bar-item{display:flex;flex-direction:column;align-items:center;gap:9px;flex:1;min-width:0;color:var(--muted);font-size:var(--text-xs)}.bar-item>span{color:var(--muted)}.bar-track{height:135px;display:flex;align-items:flex-end;width:100%;max-width:36px;background:#f4f8f4;border-radius:4px;overflow:hidden}.bar-track>div{width:100%;background:#8eb9a0;border-radius:4px 4px 0 0;min-height:3px}.bar-item:last-child .bar-track>div{background:var(--primary)}.bar-item small{font-size:var(--text-xs)}.knowledge-status>.panel-heading{color:var(--muted)}.knowledge-status>div:not(.panel-heading){display:flex;align-items:center;justify-content:space-between;margin-bottom:21px;gap:15px}.knowledge-status>div>span{font-size:var(--text-sm);color:var(--muted)}.knowledge-status strong{font-size:17px;font-weight:550;color:#587a63}.knowledge-status strong small{font-size:var(--text-xs);color:var(--muted);font-weight:400}.knowledge-status>p{font-size:var(--text-xs);line-height:1.9;color:var(--muted);padding:13px 0;border-top:1px solid var(--border)}.gap-list{display:flex;flex-direction:column}.gap-list>button{display:flex;align-items:center;gap:12px;border:0;background:none;border-top:1px solid #f0f4f0;padding:16px 0;text-align:left}.gap-list>button>span:nth-child(2){flex:1;min-width:0}.gap-list strong{display:block;font-weight:500;font-size:var(--text-sm);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.gap-list small{display:block;font-size:var(--text-xs);color:var(--muted);margin-top:6px}.gap-icon{background:#f7f5ec;color:var(--muted);width:32px;height:32px;display:grid;place-items:center;border-radius:9px}.gap-list>button>svg{color:var(--muted)}.admin-manual-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.admin-manual-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:23px;min-width:0}.manual-card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:17px}.admin-manual-card h2{font-size:var(--text-lg);font-weight:600;line-height:1.7;margin-bottom:8px}.admin-manual-card>p{font-size:var(--text-sm);color:var(--muted);line-height:1.8;min-height:40px}.manual-url{display:flex;align-items:center;gap:4px;font-size:var(--text-xs);margin-top:13px}.manual-stats{display:flex;align-items:center;justify-content:space-between;margin-top:23px;padding-bottom:17px;border-bottom:1px solid var(--border);gap:15px}.manual-stats>strong{font-size:22px;color:#64806c;font-weight:500}.manual-stats>strong>span{font-size:var(--text-xs);color:var(--muted);margin-left:7px}.manual-stats>small{font-size:var(--text-xs);color:var(--muted)}.manual-tools{display:flex;align-items:center;gap:7px;padding-top:16px;flex-wrap:wrap}.manual-tools>.button{font-size:var(--text-xs);padding:8px 11px;min-height:32px}.manual-tools>.icon-button{padding:7px}.manual-tools>.button:nth-child(2){margin-right:auto}.sync-error{font-size:var(--text-xs);color:#b59464;line-height:1.8;background:#fcf8ef;padding:7px 10px;border-radius:5px;margin-top:10px}.info-panel{display:flex;align-items:flex-start;gap:12px;padding:19px 22px;margin-top:25px;background:#f0f6f1;border:1px solid #e5eee5;border-radius:10px;color:var(--muted)}.info-panel>svg{flex:none;margin-top:2px}.info-panel strong{font-size:var(--text-sm);font-weight:500;color:var(--muted)}.info-panel p{font-size:var(--text-xs);line-height:1.9;color:var(--muted);margin-top:6px}.chapter-editor{display:grid;grid-template-columns:250px 1fr;min-height:540px}.chapter-editor>aside{padding:18px;border-right:1px solid var(--border);background:#f8fbf8}.chapter-editor>aside>.button{width:100%;margin:12px 0;font-size:var(--text-sm)}.chapter-editor>.form,.chapter-editor>div>.form{padding:23px}.chapter-menu{max-height:530px;overflow:auto;display:flex;flex-direction:column;gap:5px}.chapter-menu>button{background:none;border:0;border-radius:6px;text-align:left;padding:10px 9px;font-size:var(--text-sm);color:var(--muted);line-height:1.8}.chapter-menu>button.active,.chapter-menu>button:hover{background:#e7f1e9;color:var(--primary)}.table-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:15px}.table-toolbar>.search-field{width:300px;max-width:100%}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--border);border-radius:10px}.table-wrap table{width:100%;border-collapse:collapse;text-align:left;font-size:var(--text-sm)}.table-wrap th{padding:15px 18px;font-size:var(--text-xs);color:var(--muted);background:#f6faf6;font-weight:500;white-space:nowrap;border-bottom:1px solid var(--border)}.table-wrap td{padding:17px 18px;border-bottom:1px solid #edf2ed}.table-wrap tr:last-child td{border-bottom:0}.faq-question{max-width:450px;width:60%;min-width:250px}.faq-question>strong{font-size:var(--text-sm);font-weight:500;color:#4f705b;display:flex;gap:5px;align-items:center}.faq-question svg{color:#c2ab68}.faq-question>p{font-size:var(--text-xs);color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:420px;margin-top:9px;line-height:1.7}.row-actions{display:flex;gap:3px}.filter-tabs{display:flex;border-radius:7px;border:1px solid var(--border);background:#f3f7f4;padding:3px;gap:2px}.filter-tabs>button{background:none;border:0;padding:8px 12px;border-radius:5px;font-size:var(--text-sm);color:var(--muted);white-space:nowrap}.filter-tabs>button.active{background:#fff;color:var(--primary);box-shadow:0 1px 4px #1a48280b}.question-cell{min-width:220px;max-width:420px;width:55%}.question-cell>button{display:block;background:none;border:0;text-align:left;font-size:var(--text-sm);line-height:1.7;color:#54765f;padding:0}.question-cell>small{display:block;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;font-size:var(--text-xs);color:var(--muted);max-width:400px;line-height:1.8;margin-top:8px}.pagination{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:var(--text-xs);padding:15px 5px}.pagination>div{display:flex;align-items:center;gap:12px}.question-detail>h3{font-size:20px;margin:20px 0;line-height:1.7}.question-detail>.muted{display:block;text-align:right;margin-top:8px}.settings-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:start}.settings-layout .panel{padding:26px}.connection-panel h2{margin-bottom:24px}.model-name{display:flex;align-items:center;justify-content:space-between;font-weight:600;font-size:20px;margin-bottom:25px}.connection-row{display:flex;justify-content:space-between;font-size:var(--text-sm);color:var(--muted);margin:20px 0}.connection-row strong{font-weight:500;color:var(--muted)}.connection-panel p,.account-panel p{font-size:var(--text-sm);color:var(--muted);line-height:1.95;margin:18px 0}.connection-panel>.button{width:100%;margin-top:5px}.account-panel{margin-top:24px}.connection-panel .notice{font-size:var(--text-sm)}.login-page{display:grid;grid-template-columns:1.1fr 1fr;min-height:100dvh}.login-story{background:#edf4ed;padding:50px 12% 35px;display:flex;flex-direction:column;position:relative;overflow:hidden}.login-story>.eyebrow{margin-top:115px;font-size:var(--text-xs);color:var(--muted);letter-spacing:2px}.login-story h1{font-size:37px;font-weight:500;line-height:1.65;letter-spacing:1px;color:#426c50}.login-story>p{font-size:var(--text-base);color:var(--muted);line-height:2.2;margin-top:23px}.login-story>small{font-size:var(--text-xs);color:var(--muted);margin-top:auto;padding-top:40px}.login-illustration{display:flex;align-items:center;gap:17px;margin:50px 0;color:var(--muted)}.login-illustration>div{display:flex;flex-direction:column;align-items:center;gap:15px;border:1px solid #d1e2d3;background:#ffffff70;padding:25px 35px;border-radius:16px;font-size:var(--text-sm)}.login-illustration>div svg{stroke-width:1.1}.illustration-line{height:1px;background:#b9d2bd;width:50px}.login-side{display:grid;place-items:center;padding:50px 30px;background:#fdfefd}.login-card{max-width:340px;width:100%;display:flex;flex-direction:column}.login-icon{background:#eaf4ec;color:var(--muted);width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:25px}.login-card>h2{font-size:26px;font-weight:600;color:#3e624b}.login-card>p{font-size:var(--text-sm);color:var(--muted);margin-top:12px;margin-bottom:34px}.login-card label{margin-bottom:23px}.login-card input{padding:13px}.login-card>.button{margin-top:5px;justify-content:space-between;padding:13px 17px}.login-back{text-align:center;font-size:var(--text-sm);color:var(--muted);margin-top:25px}.eyebrow>span{width:6px;height:6px}.starter-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:#edf5ef;color:#367c60;margin-bottom:18px}.starter-icon svg{width:22px;height:22px;stroke-width:1.75}.featured-questions button:hover{background:#e5f0e8;border-color:#a6c6b2}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{50%{opacity:.3;transform:translateY(-2px)}}@media(max-width:1200px){.sidebar{width:252px;padding:28px 16px 18px}.brand strong{font-size:17px}.brand>div>span{font-size:12px}.welcome{padding:44px 32px 32px}.hero h1{font-size:34px}.starter-card{padding:20px;min-height:170px}.starter-card strong{font-size:var(--text-base)}.starter-category{font-size:var(--text-xs)}.keyboard-hint{display:none}.admin-content{padding:28px}.stat-card{padding:16px}.stat-card>div{font-size:var(--text-xs)}.stats-grid{gap:12px}.admin-manual-grid{gap:15px}.admin-manual-card{padding:18px}.settings-layout{grid-template-columns:1.3fr 1fr}.manual-stats{align-items:flex-start}.manual-stats small{max-width:110px;line-height:1.8}.login-story{padding-left:10%;padding-right:8%}.login-story h1{font-size:30px}.login-illustration>div{padding:23px}.login-illustration{gap:12px}.starter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:960px){.sidebar{position:fixed;inset:0 auto 0 0;z-index:40;width:280px;transform:translate(-100%);transition:transform .2s}.sidebar.open{transform:translate(0)}.sidebar-shade{position:fixed;inset:0;z-index:35;background:#1e382f55;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.mobile-menu{display:inline-flex!important}.topbar{padding:0 22px;height:68px}.welcome{padding:40px 28px 32px;max-width:900px}.hero h1{font-size:34px}.starter-card strong{font-size:var(--text-base)}.admin-content{padding:26px}.history-delete{opacity:1}.settings-layout{grid-template-columns:1.3fr 1fr}.login-story h1{font-size:27px}.login-story>.eyebrow{margin-top:90px}.login-illustration>div{padding:20px}.illustration-line{width:25px}.login-side{padding:30px}.bar-chart{margin-left:0;margin-right:0}.chapter-editor{grid-template-columns:210px 1fr}.history-heading>span{font-size:12px}}@media(max-width:640px){:root{font-size:16px;--text-xs: 12px;--text-sm: 13px;--text-base: 16px;--text-lg: 17px}.topbar{height:64px;padding:0 16px}.topbar>div{gap:7px}.breadcrumb{display:none}.knowledge-badge{font-size:12px;padding:7px 9px}.topbar strong{font-size:15px}.welcome{padding:32px 20px 28px}.hero{margin-bottom:25px}.hero h1{font-size:30px;line-height:1.4;max-width:none;letter-spacing:0}.hero p{font-size:14px;line-height:1.85;margin-top:14px}.eyebrow{font-size:12px;margin-bottom:16px;letter-spacing:.6px}.mobile-only{display:block!important}.composer{padding:18px 16px 14px;border-radius:14px}.home-composer{min-height:186px}.composer textarea{font-size:16px;line-height:1.7}.composer textarea::placeholder{font-size:16px}.composer-bottom>span{font-size:12px;gap:5px}.send-button{width:auto;height:44px;min-width:80px;padding:0 12px}.suggestion-header{margin-top:32px}.suggestion-header h2{font-size:17px}.suggestion-header>span{font-size:12px}.starter-grid{grid-template-columns:1fr 1fr;gap:12px}.starter-card{min-height:184px;padding:18px 14px}.starter-card strong{font-size:15px;line-height:1.65}.starter-card>svg:first-child{margin-bottom:13px}.section-heading{margin-top:30px;margin-bottom:13px}.section-heading h2{font-size:17px}.section-heading h2 svg{width:18px}.manual-card{padding:16px 14px;gap:12px;min-height:100px}.manual-card strong{font-size:15px}.manual-card small{font-size:12px}.manual-icon{width:40px;height:46px;border-radius:7px}.manual-icon svg{width:20px}.manual-card>svg{width:15px}.home-footnote{font-size:12px;align-items:flex-start;text-align:left;line-height:1.8;margin-top:25px}.home-footnote svg{margin-top:2px;flex:none}.messages{padding:28px 16px 12px}.user-message{gap:8px;margin-bottom:24px}.user-message>div{font-size:16px;padding:12px 14px}.user-message>span{width:32px;height:34px}.assistant-message{gap:10px}.assistant-avatar{width:32px;height:34px;border-radius:8px}.assistant-avatar svg{width:16px}.answer-heading{font-size:14px;flex-wrap:wrap;gap:7px}.answer-heading>span{font-size:12px}.markdown{font-size:16px;line-height:1.9}.answer-sources{margin-top:16px}.source-card{padding:12px;gap:8px}.source-card strong{font-size:14px}.source-card small{font-size:12px}.source-card>svg{width:14px}.source-number{width:22px;height:22px;font-size:12px}.answer-actions{gap:16px;flex-wrap:wrap}.bottom-composer{padding:10px 14px max(12px,env(safe-area-inset-bottom))}.bottom-composer textarea{font-size:var(--text-lg);min-height:45px}.bottom-composer>p{font-size:12px;line-height:1.6;margin-top:7px}.bottom-composer .composer{padding:14px 14px 12px}.chat-error{padding:0 16px}.notice{font-size:14px;padding:10px 12px}.modal-backdrop{padding:12px;align-items:center}.modal{max-height:94dvh;border-radius:12px}.modal-header{padding:15px 17px}.modal-header h2{font-size:18px}.modal>.form,.library-detail,.library-list,.question-detail{padding:18px}.form-row{flex-direction:column;gap:18px}.form-row>label{width:100%}.form input:not([type=checkbox]),.form textarea,.form select,.login-card input,.search-field input{font-size:var(--text-lg)}.form label small{font-size:var(--text-xs)}.library-meta{flex-direction:column;gap:10px;font-size:13px}.library-detail h3{font-size:20px}.chapter-list summary{font-size:15px;padding:14px 2px}.chapter-content{font-size:15px}.admin-content{padding:24px 17px}.page-intro{flex-direction:column;align-items:flex-start;gap:17px;margin-bottom:23px}.page-intro h1{font-size:24px}.page-intro p{font-size:var(--text-sm)}.page-intro>.button{font-size:var(--text-sm)}.stats-grid{grid-template-columns:1fr 1fr;gap:11px}.stat-card{padding:15px}.stat-card>strong{font-size:29px;margin:12px 0 8px}.stat-card>small{font-size:var(--text-xs)}.stat-card>div svg{width:15px}.dashboard-grid{grid-template-columns:1fr;gap:17px;margin-bottom:17px}.panel{padding:19px}.panel-heading{margin-bottom:14px}.panel h2{font-size:var(--text-base)}.knowledge-status>div:not(.panel-heading){margin-bottom:17px}.gap-list>button{gap:9px;flex-wrap:wrap}.gap-list strong{font-size:var(--text-sm)}.gap-list .pill{font-size:var(--text-xs);padding:4px 6px}.gap-list>button>svg{display:none}.gap-icon{width:27px;height:29px}.admin-manual-grid{grid-template-columns:1fr}.admin-manual-card{padding:20px}.admin-manual-card h2{font-size:var(--text-base)}.manual-stats small{max-width:none}.info-panel{padding:17px 15px}.info-panel p{font-size:var(--text-xs)}.table-toolbar{flex-direction:column;align-items:stretch;gap:13px}.table-toolbar>.search-field{width:100%}.table-toolbar>.muted{font-size:var(--text-xs)}.filter-tabs{align-self:flex-start;max-width:100%;overflow:auto}.filter-tabs>button{padding:8px 11px;font-size:var(--text-xs)}.table-wrap td,.table-wrap th{padding:13px}.faq-question{min-width:215px}.faq-question>p{max-width:215px}.faq-question>strong{font-size:var(--text-sm)}.table-wrap .text-button{white-space:nowrap}.question-cell{min-width:230px}.question-cell>small{max-width:230px}.settings-layout{grid-template-columns:1fr;gap:18px}.settings-layout .panel{padding:20px}.account-panel{margin-top:18px}.chapter-editor{grid-template-columns:1fr}.chapter-editor>aside{border-right:0;border-bottom:1px solid var(--border)}.chapter-menu{max-height:180px}.chapter-menu>button{font-size:var(--text-sm);padding:8px}.chapter-editor>div>.form{padding:18px}.chapter-editor>aside>.button{font-size:var(--text-xs)}.login-page{grid-template-columns:1fr}.login-story{display:none}.login-side{padding:38px 27px;min-height:100dvh;background:radial-gradient(ellipse at top,#edf6ed 0,transparent 65%)}.login-card{max-width:350px}.login-card>h2{font-size:27px}.login-icon{width:51px;height:51px}.admin-top-label{font-size:var(--text-xs)}.question-detail>h3{font-size:17px}.form-actions{flex-wrap:wrap}.form-actions .button{font-size:var(--text-sm)}.history-delete{min-width:40px;min-height:44px}.answer-actions button{min-height:44px;font-size:13px}.chapter-link{min-height:44px}.source-card{min-height:55px}.app-shell{min-height:0}.composer-bottom{gap:8px;margin-top:14px}.send-button svg{width:18px}.starter-category{font-size:12px}.starter-icon{width:38px;height:38px;margin-bottom:16px}.starter-arrow{top:20px;right:12px;width:16px}.featured-questions{gap:8px}.featured-questions button{font-size:12px;min-height:40px;padding:8px 10px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media(max-width:960px){.sidebar{visibility:hidden}.sidebar.open{visibility:visible}}@media(min-width:1920px){:root{--text-xs: 14px;--text-sm: 16px;--text-base: 18px;--text-lg: 20px;--text-title: 48px}.sidebar{width:296px;padding:36px 24px 24px}.brand strong{font-size:20px}.brand>div>span{font-size:13px}.new-chat{min-height:56px}.main-nav>button{min-height:54px}.topbar{height:88px;padding:0 48px}.welcome{max-width:1528px;padding:84px 64px 48px}.hero{margin-bottom:36px}.home-composer{min-height:218px}.composer{padding:28px 28px 22px}.send-button{height:50px;min-width:108px}.suggestion-header,.section-heading{margin:40px 0 20px}.starter-grid{gap:20px}.starter-card{min-height:210px;padding:26px}.starter-icon{width:48px;height:48px}.starter-arrow{top:28px;right:24px}.manual-card{padding:24px 26px;min-height:112px}.messages{max-width:1220px;padding:48px 56px 16px}.bottom-composer{max-width:1220px;padding:12px 56px 20px}.chat-error{max-width:1220px;padding:0 56px}.admin-content{max-width:1760px;width:100%;margin:auto;padding:48px}.support-note strong{font-size:14px}.support-note p{font-size:13px}}.access-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:18px}.access-card{min-width:0;display:flex;flex-direction:column;gap:14px}.access-card h2{margin:0;overflow-wrap:anywhere;font-size:17px}.access-card h2 small{font-size:12px;font-weight:400}.access-card p{margin:0;overflow-wrap:anywhere}.access-card-heading{display:flex;align-items:center;gap:10px}.access-card-heading h2{flex:1}.access-card-heading>svg{color:var(--primary);flex-shrink:0}.access-card-heading>.pill{flex-shrink:0}.access-tags{display:flex;flex-wrap:wrap;gap:6px}.access-tags .pill{white-space:normal;overflow-wrap:anywhere}.access-actions{display:flex;gap:10px;margin-top:auto;padding-top:6px}.access-choices{border:1px solid var(--border);border-radius:12px;padding:14px;margin:0;min-width:0;display:grid;gap:14px}.access-choices legend{font-weight:600;padding:0 5px}.access-choices .checkbox{margin:0;align-items:flex-start}.access-choices .checkbox input{flex-shrink:0;margin-top:3px}.access-choices .checkbox span{min-width:0;overflow-wrap:anywhere}.access-choices small{display:block;line-height:1.6}.menu-choices{grid-template-columns:1fr 1fr}.personal-password{width:100%;background:transparent;border:0;cursor:pointer;text-align:left}.admin-user strong{overflow-wrap:anywhere}.admin-shell .sidebar .main-nav{min-height:0;overflow-y:auto}.admin-shell .sidebar .sidebar-bottom{flex-shrink:0}@media(max-width:600px){.access-grid{grid-template-columns:1fr;gap:12px}.access-card{padding:18px}.access-actions .button{flex:1;min-height:42px}.access-choices .checkbox{min-height:32px}}.model-actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;min-width:190px}.chat-access-denied{max-width:640px;width:100%;padding:32px;background:var(--surface,#fff);border:1px solid var(--border,#dce5e1);border-radius:18px}.chat-access-denied>.brand{margin-bottom:32px}.chat-access-denied h1{font-size:28px;margin:20px 0 14px}.chat-access-denied p{line-height:1.8}.access-denied-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.chat-access-denied .personal-password{margin-top:12px}
