:root{--bg:#f6f8fb;--panel:#fff;--line:#e5e9ef;--text:#172033;--muted:#6b7280;--blue:#2563eb;--blue2:#1d4ed8;--teal:#0f766e;--danger:#b42318;--sidebar:238px;--sidebar-collapsed:68px;--shadow:0 8px 28px rgba(15,23,42,.06)}
*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--bg)}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0}.app{min-height:100vh}.sidebar{position:fixed;z-index:30;left:0;top:0;bottom:0;width:var(--sidebar);background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;transition:width .2s;overflow:hidden}.sidebar.collapsed{width:var(--sidebar-collapsed)}.brand{height:72px;display:flex;align-items:center;gap:11px;padding:0 17px;border-bottom:1px solid var(--line);cursor:pointer;white-space:nowrap}.brand img{width:38px;height:38px;flex:none}.brand-text{font-weight:750}.brand-sub{font-size:10px;color:var(--muted);margin-top:3px}.sidebar.collapsed .brand{padding:0 15px}.sidebar.collapsed .brand-copy,.sidebar.collapsed .nav-label,.sidebar.collapsed .nav-badge,.sidebar.collapsed .section-title,.sidebar.collapsed .history-list,.sidebar.collapsed .pet-list,.sidebar.collapsed .credit-unit,.sidebar.collapsed .credit-card small,.sidebar.collapsed .recharge-button .nav-label{display:none}.nav{padding:12px 9px}.nav-item,.recharge-button{height:42px;border-radius:9px;display:flex;align-items:center;gap:12px;padding:0 12px;color:#374151;font-size:15px;margin:3px 0;background:transparent;width:100%;text-align:left}.nav-item:hover,.recharge-button:hover{background:#f3f5f8}.nav-icon{width:18px;text-align:center;font-size:16px;flex:none}.nav-badge{margin-left:auto;font-size:11px;color:#fff;background:#2563eb;padding:2px 7px;border-radius:999px}.section{padding:6px 12px}.section-title{font-size:11px;color:#9ca3af;letter-spacing:.08em;margin:8px 4px}.mini-list{max-height:190px;overflow:auto}.mini-row{display:flex;align-items:center;gap:7px;padding:6px 7px;border-radius:7px;font-size:12px;color:#5b6472;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.mini-row:hover{background:#f6f7f9}.mini-row.active{color:#1d4ed8;background:#f1f5ff}.mini-dot{width:7px;height:7px;border-radius:50%;background:#94a3b8;flex:none}.sidebar-bottom{margin-top:auto;padding:10px;border-top:1px solid var(--line)}.recharge-button{background:#f5f8ff;color:#2455c3;font-weight:600}.credit-card{border:1px solid #e1e7f0;border-radius:10px;padding:9px 11px;margin:5px 0 8px;background:#fbfcfe;display:flex;align-items:baseline;gap:4px}.credit-card strong{font-size:18px}.credit-unit{font-size:12px;color:#667085}.credit-card small{display:block;color:var(--muted);font-size:10px;margin-left:auto}.collapse{height:38px;width:100%;border-radius:9px;background:#f5f6f8;color:#6b7280}.main{margin-left:var(--sidebar);min-height:100vh;transition:margin-left .2s}.main.collapsed{margin-left:var(--sidebar-collapsed)}.topbar{height:56px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:20}.top-title{font-size:14px;font-weight:600}.role-pill{font-size:12px;color:#475467;background:#f2f4f7;border:1px solid #e4e7ec;border-radius:999px;padding:5px 9px}.content{max-width:1060px;margin:0 auto;padding:34px 24px 70px}.home-content{max-width:900px}.hero{text-align:center;padding:48px 0 24px}.hero-logo{width:58px;height:58px}.hero h1{font-size:31px;margin:15px 0 7px;letter-spacing:-.03em}.hero p{margin:0;color:var(--muted);font-size:14px}.composer-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:12px}.composer-card textarea{width:100%;border:0;outline:none;resize:none;min-height:105px;font-size:16px;line-height:1.72;padding:8px}.composer-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #f0f1f3;padding-top:9px}.attach-label{color:#667085;font-size:13px;padding:8px 10px;border-radius:8px;background:#f7f8fa;cursor:pointer}.attach-label:hover{background:#eef0f3}.file-name{font-size:12px;color:#667085;margin-left:7px}.primary{background:var(--blue);color:#fff;border-radius:9px;padding:9px 15px;font-weight:600}.primary:hover{background:var(--blue2)}.secondary{background:#f2f4f7;color:#344054;border-radius:9px;padding:9px 14px}.hint{font-size:12px;color:#8a93a1;text-align:center;margin-top:10px}.page-title{font-size:24px;margin:4px 0 18px}.panel{background:#fff;border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow);padding:18px}.setup-note{font-size:12px;color:#667085;background:#f8fafc;border-radius:9px;padding:10px;margin-bottom:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.field label{display:block;font-size:13px;color:#667085;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;border:1px solid #dfe3e8;border-radius:9px;padding:9px 10px;outline:none;background:#fff}.field input:focus,.field select:focus,.field textarea:focus{border-color:#9db7f4;box-shadow:0 0 0 3px #edf3ff}.full{grid-column:1/-1}.actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.top-actions{margin-top:-8px;margin-bottom:12px}.choice-row{display:flex;gap:8px;margin-bottom:15px}.choice{flex:1;border:1px solid #dfe3e8;background:#fff;border-radius:10px;padding:11px;text-align:left}.choice.active{border-color:#9db7f4;background:#f4f7ff;color:#1d4ed8}.case-layout{display:block;max-width:1050px;margin:0 auto;padding:12px 18px 50px}.case-center{min-width:0}.case-header{position:sticky;top:56px;z-index:15;background:rgba(246,248,251,.96);backdrop-filter:blur(8px);padding:6px 0}.case-header-inner{background:#fff;border:1px solid var(--line);border-radius:11px;padding:9px 12px;display:flex;align-items:center;justify-content:space-between;gap:12px}.patient-line{display:flex;align-items:center;gap:9px;min-width:0}.patient-avatar{width:30px;height:30px;border-radius:8px;background:#eef4ff;display:grid;place-items:center;color:#2563eb;font-weight:700;font-size:13px}.patient-name{font-size:13px;font-weight:700}.light{font-weight:400;color:#667085}.patient-meta{font-size:10px;color:#8a93a1;margin-top:2px}.case-status{font-size:11px;padding:5px 8px;border-radius:999px;background:#ecfdf3;color:#027a48;white-space:nowrap}.case-status.frozen{background:#fff1f0;color:#b42318}.chat{padding:3px 2px 8px;min-height:200px}.msg{display:flex;margin:13px 0}.msg.user{justify-content:flex-end}.bubble{max-width:82%;border-radius:13px;padding:11px 13px;font-size:15px;line-height:1.78;white-space:normal}.bubble p{margin:.35em 0}.bubble h1,.bubble h2,.bubble h3,.bubble h4{margin:.55em 0 .4em;line-height:1.35}.bubble ul,.bubble ol{padding-left:1.35em;margin:.35em 0}.bubble blockquote{margin:.5em 0;padding-left:.9em;border-left:3px solid #d0d5dd;color:#667085}.bubble code{background:#f2f4f7;border-radius:4px;padding:1px 4px;font-family:ui-monospace,Consolas,monospace;font-size:.9em}.md-table{width:100%;border-collapse:collapse;margin:.6em 0;font-size:.92em}.md-table th,.md-table td{border:1px solid #e5e7eb;padding:6px 8px;text-align:left;vertical-align:top}.md-table th{background:#f8fafc;font-weight:700}.attachments-line{margin-top:8px;font-size:12px;color:#667085}.msg.user .bubble{background:#2563eb;color:#fff;border-bottom-right-radius:4px}.msg.assistant .bubble{background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}.msg-meta{font-size:10px;color:#98a2b3;margin:3px 4px}.middle-structure{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:6px 0 15px}.structure-card{background:#fff;border:1px solid var(--line);border-radius:11px;padding:12px}.structure-card h3{font-size:11px;margin:0 0 7px;color:#344054}.structure-card p,.structure-card li{font-size:12px;line-height:1.7;color:#5b6472}.structure-card ul{margin:0;padding-left:17px}.audit-right{min-width:0}.right-sticky{position:sticky;top:68px;max-height:calc(100vh - 82px);overflow:auto;padding-bottom:10px}.right-head{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:9px}.right-head strong{display:block;font-size:13px}.right-head span{font-size:9px;color:#8a93a1}.points-used{font-size:10px;color:#667085;white-space:nowrap}.right-block{background:#fff;border:1px solid var(--line);border-radius:11px;padding:12px;margin-bottom:9px}.right-block h4{font-size:12px;margin:0 0 8px}.right-block p,.right-block li{font-size:11px;line-height:1.7;color:#5b6472}.right-block ul{margin:0;padding-left:17px}.right-block.critical{border-left:3px solid #2563eb}.right-block.treatment{border-left:3px solid #0f766e}.right-empty{position:sticky;top:68px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;color:#98a2b3;font-size:11px}.chat-composer{position:sticky;bottom:10px;background:#fff;border:1px solid #dfe3e8;border-radius:14px;box-shadow:0 8px 30px rgba(15,23,42,.09);padding:9px;margin-top:8px;z-index:12}.chat-composer textarea{width:100%;border:0;outline:0;resize:none;min-height:48px;max-height:130px;padding:3px;font-size:13px}.chat-actions{display:flex;align-items:center;justify-content:space-between}.charge-note{font-size:10px;color:#8a93a1}.warning{background:#fffaeb;border:1px solid #fedf89;color:#93370d;border-radius:10px;padding:9px 11px;font-size:11px;margin:10px 0}.empty{padding:35px;text-align:center;color:#98a2b3;font-size:12px}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;border-bottom:1px solid #eef0f2;padding:10px 7px;font-size:11px}.table th{color:#667085;font-weight:600}.table tr{cursor:pointer}.table tr:hover td{background:#fafbfc}.recharge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.recharge-card{background:#fff;border:1px solid var(--line);border-radius:13px;padding:18px;display:flex;flex-direction:column;gap:10px}.recharge-card.featured{border-color:#9db7f4;box-shadow:0 8px 25px rgba(37,99,235,.08)}.recharge-card strong{font-size:14px}.recharge-card b{font-size:24px}.recharge-card .primary{width:100%}.verify-panel{margin-top:14px;display:grid;grid-template-columns:1fr auto;gap:15px;align-items:center}.verify-panel h3,.pricing-panel h3{font-size:14px;margin:0 0 7px}.verify-panel p,.pricing-panel p{font-size:12px;color:#667085;line-height:1.7;margin:0}.verify-status{font-size:11px;margin-top:8px;color:#475467}.upload-cert{background:#eef4ff;color:#1d4ed8;border-radius:9px;padding:10px 13px;font-size:11px;font-weight:600;cursor:pointer}.cert-name{grid-column:1/-1;font-size:10px;color:#667085}.pricing-panel{margin-top:14px}.subheading{font-size:14px;margin:20px 0 8px}.toast{position:fixed;right:20px;bottom:20px;background:#1f2937;color:#fff;padding:10px 13px;border-radius:9px;font-size:11px;z-index:100;box-shadow:0 10px 25px rgba(0,0,0,.18)}
@media(max-width:1000px){.case-layout{grid-template-columns:1fr}.audit-right{order:2}.right-sticky{position:relative;top:auto;max-height:none;overflow:visible}.recharge-grid{grid-template-columns:1fr 1fr}}
@media(max-width:720px){:root{--sidebar:205px}.content{padding:25px 14px 50px}.hero{padding-top:35px}.hero h1{font-size:25px}.form-grid,.middle-structure{grid-template-columns:1fr}.topbar{padding:0 14px}.top-title{font-size:11px}.case-layout{padding:8px 9px 50px;display:block}.audit-right{margin-top:12px}.bubble{max-width:88%}.case-header{top:56px}.sidebar.collapsed{width:60px}.main.collapsed{margin-left:60px}.recharge-grid{grid-template-columns:1fr}.verify-panel{grid-template-columns:1fr}.upload-cert{width:max-content}}

.audit-final{grid-column:1/-1}
.login-screen{min-height:100vh;display:grid;place-items:center;background:#f6f8fb;padding:20px}.login-card{width:min(420px,92vw);background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow);text-align:center}.login-logo{width:56px;height:56px}.login-card h1{font-size:25px;margin:12px 0 5px}.login-card>p{font-size:13px;color:var(--muted);margin:0 0 20px}.login-card .field{text-align:left;margin-bottom:12px}.login-btn{width:100%;margin-top:8px}.login-note{font-size:10px;color:#98a2b3;line-height:1.6;margin-top:12px}

.page-title-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.danger{background:#fff1f0;color:#b42318;border:1px solid #fecdca;border-radius:9px;padding:8px 12px;font-size:11px;font-weight:600}.danger-link{border:0;background:none;color:#b42318;font-size:11px;cursor:pointer}.danger-link:hover{text-decoration:underline}.retry-btn{margin-top:9px;padding:6px 10px;font-size:10px}.inline-retry{display:flex;align-items:center;gap:7px;margin-top:8px}.inline-retry span,.retry-note{font-size:9px;color:#98a2b3;margin-left:7px}.audit-pending{border-left:3px solid #64748b}.audit-error{border-left:3px solid #b42318}.full{grid-column:1/-1}button:disabled{opacity:.55;cursor:not-allowed}

/* V2.4 authentication, security and mobile UX */
.mobile-toggle{display:none;background:#f3f5f8;color:#344054;border:1px solid #e2e6ec;border-radius:8px;width:34px;height:34px;font-size:18px}
.auth-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;background:#f6f8fb;border-radius:10px;padding:4px;margin-bottom:14px}
.auth-tabs button{background:transparent;border:0;border-radius:7px;padding:8px;font-size:12px;color:#667085}
.auth-tabs button.active{background:#fff;color:#1d4ed8;box-shadow:0 1px 4px rgba(15,23,42,.08)}
.auth-error{background:#fff1f0;border:1px solid #fecdca;color:#b42318;border-radius:9px;padding:9px 10px;font-size:11px;text-align:left;margin-bottom:12px}
.security-title{font-size:14px;margin:0 0 10px}
.session-list{display:flex;flex-direction:column;gap:8px}.session-row{display:flex;justify-content:space-between;align-items:center;gap:12px;border:1px solid var(--line);border-radius:10px;padding:11px}.session-row strong{font-size:12px}.session-meta{font-size:10px;color:#98a2b3;margin-top:4px}.badge-current{display:inline-flex;padding:4px 8px;border-radius:999px;background:#ecfdf3;color:#027a48;font-size:10px}
@media(max-width:720px){
  .mobile-toggle{display:inline-grid;place-items:center;flex:none}.sidebar{transform:translateX(-100%);box-shadow:10px 0 30px rgba(15,23,42,.12)}.sidebar.mobile-open{transform:translateX(0)}.main,.main.collapsed{margin-left:0}.topbar{gap:8px}.topbar .role-pill{max-width:42vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.content{padding-left:12px;padding-right:12px}.composer-footer,.chat-actions{gap:8px;align-items:stretch;flex-direction:column}.composer-footer .primary,.chat-actions .primary{width:100%}.case-header{top:56px}.auth-card{padding:22px 18px}.auth-tabs button{font-size:11px}.session-row{align-items:flex-start}
}

.middle-structure,.audit-right,.right-sticky,.right-block,.right-head,.right-empty{display:none!important}.case-layout{display:block!important}
@media(max-width:720px){.bubble{max-width:92%;font-size:15px}.patient-meta{font-size:11px}.patient-name{font-size:14px}}

/* V2.8.7: language selection and published content */
.language-control{display:inline-flex;align-items:center;gap:6px;flex:none;border:1px solid var(--line);border-radius:9px;padding:3px 7px;background:#fff;font-size:15px}.language-control select{width:auto;border:0;background:transparent;padding:5px;font:inherit;font-size:12px;cursor:pointer;color:var(--text)}.auth-language{display:flex;justify-content:flex-end;margin:-8px -5px 8px}.topbar{gap:12px}.top-title{flex:1;min-width:0}.nav-label{white-space:normal;text-align:left;line-height:1.45}.content-tabs,.content-pagination{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:18px 0}.content-pagination{justify-content:space-between;font-size:12px;color:var(--muted)}.content-list{display:grid;gap:12px}.content-item{display:block;text-align:left;width:100%;padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text);cursor:pointer;overflow-wrap:anywhere}.content-item:hover{border-color:#94b8d5;background:#f8fbff}.content-item strong{font-size:16px}.content-meta{font-size:12px;color:var(--muted);margin-top:9px;line-height:1.6}.content-article{margin-top:18px;overflow-wrap:anywhere}.markdown-body{line-height:1.8;margin-top:24px}.markdown-body table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse}.markdown-body td,.markdown-body th{padding:8px;border:1px solid var(--line)}.markdown-body a{color:#1769aa}.markdown-body code{white-space:pre-wrap}html[lang=en] .top-title{font-size:12px}html[lang=en] .nav-item{min-height:40px}html[lang=en] .section-title{letter-spacing:0}html[lang=en] .choice-row{flex-wrap:wrap}button:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid #1769aa;outline-offset:3px}
@media(max-width:720px){.topbar .top-title{display:none}.topbar .language-control{margin-left:auto}.topbar .role-pill{max-width:45vw;font-size:10px}.content-item{padding:16px}.content-article{padding:16px}.content-pagination{gap:8px}.content-tabs button{flex:1}.table{display:block;overflow-x:auto}html[lang=en] .case-header{overflow-wrap:anywhere}}

.clinical-review-note{padding:8px 12px;margin-bottom:12px;border-left:3px solid #a86516;background:#fff7e9;color:#7a4a12;font-size:13px;border-radius:4px;}