:root{--bg:#f5f7fb;--surface:#fff;--card:#f1f5f9;--border:#e2e8f0;--primary:#2563eb;--primary-h:#1d4ed8;--text:#172338;--text2:#475569;--text3:#64748b;--danger:#dc2626;--success:#059669;--warn:#d97706;--radius:16px;--shadow:0 16px 48px #13294712;--gold:#2563eb}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.6;min-width:320px}
#sidebar{overflow-y:auto}.nav-item{flex-shrink:0}#mobileNavToggle{display:none}
#sidebar{width:232px;height:100vh;position:sticky;top:0;padding:12px;gap:3px;background:#fff}
.sidebar-logo{padding:22px 12px 24px;letter-spacing:0;color:#172338}.nav-item{border-radius:10px;padding:11px 13px}.nav-item:hover{background:#eff6ff;color:var(--primary)}.nav-item.active{border-radius:10px;background:#eff6ff;color:var(--primary);font-weight:650}.sidebar-footer{margin-top:auto;padding:16px 10px}
#main{min-width:0;height:100vh}#header{background:#ffffffee;min-height:76px;gap:12px}#header h1{font-size:20px;white-space:nowrap}#headerActions{flex-wrap:wrap;justify-content:flex-end}#content{padding:30px;scrollbar-gutter:stable}
.stat-card{box-shadow:0 4px 16px #1e293b04}.stat-card .value{letter-spacing:-1px}.stat-card .label{font-weight:500}.stats-row{gap:14px}.btn{min-height:36px}.btn-primary{box-shadow:0 3px 8px #2563eb18}.btn-danger{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}.actions-cell{flex-wrap:wrap;align-items:center}
.toolbar input,.toolbar select,.form-group input,.form-group select,.form-group textarea{background:#fff!important;color:var(--text)!important}.toolbar{gap:12px}.toolbar input:focus,.form-group input:focus{box-shadow:0 0 0 3px #2563eb12}
.table-scroll{max-width:100%;overflow-x:auto;border:1px solid var(--border);border-radius:12px;background:#fff}table{background:#fff}th{background:#f8fafc;color:#64748b;white-space:nowrap}td{vertical-align:middle}tr:last-child td{border-bottom:0}
.modal-overlay{padding:20px;background:#0f172a66;backdrop-filter:blur(4px)}.modal{width:min(560px,100%);max-width:100%;background:#fff}.login-box{width:min(400px,calc(100% - 32px));border:1px solid var(--border);padding:36px}.login-box input{background:#f8fafc}.login-box h2{font-size:24px;letter-spacing:-.5px}
.management-intro{margin-bottom:22px}.management-intro h2{font-size:24px;letter-spacing:-.6px}.management-intro p{color:var(--text3);margin-top:6px}.management-card{padding:24px;background:#fff;border:1px solid var(--border);border-radius:16px;margin-bottom:20px}.management-card h3{margin-bottom:16px;font-size:16px}.management-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.management-grid>div{min-width:0}.muted{color:var(--text3);font-size:13px}.notice{padding:13px 16px;border-radius:10px;background:#eff6ff;color:#1d4ed8;margin:12px 0}.notice.error{background:#fef2f2;color:#b91c1c}.management-link{display:flex;gap:8px;align-items:center;margin:12px 0}.management-link input{min-width:0;flex:1;border:1px solid var(--border);padding:10px;border-radius:8px;background:#f8fafc;color:var(--text2)}.management-qr{width:180px;height:180px;background:#fff;padding:8px;border:1px solid var(--border);border-radius:12px}.management-empty{padding:36px;text-align:center;color:var(--text3)}.management-details{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;max-width:400px}.management-form{display:grid;gap:14px}.management-form input,.management-form textarea,.management-form select{width:100%;border:1px solid var(--border);border-radius:9px;padding:11px;background:#fff;color:var(--text);font:inherit}.management-form textarea{min-height:100px}.reader-modal{width:min(1120px,100%);padding:22px}.book-reader{height:65vh;background:#fff}.chapter-content-body{font-size:16px;line-height:2.1;word-break:normal;overflow-wrap:anywhere;color:#334155}.chapter-content-title{font-size:22px}.chapter-list{background:#f8fafc}.chapter-list-header{background:#f8fafc}.chapter-item.active{background:#eff6ff;color:#1d4ed8}.reader-controls{display:flex;gap:10px;align-items:center;margin-bottom:15px}.reader-controls h3{flex:1;margin:0}
@media(max-width:1000px){#sidebar{width:190px}#content{padding:20px}#header{padding:14px 20px}#agentLinkContainer{display:none!important}.management-grid{grid-template-columns:1fr}}
@media(max-width:700px){body{display:block}#sidebar{width:100%;height:auto;position:relative;display:flex;flex-direction:row;overflow-x:auto;padding:8px;border-right:0;border-bottom:1px solid var(--border);gap:6px}.sidebar-logo,.sidebar-footer{display:none}.nav-item{flex:0 0 auto;padding:10px 12px;font-size:13px}.nav-item svg{width:16px;height:16px}#main{height:auto;min-height:calc(100dvh - 64px)}#header{padding:16px;flex-wrap:wrap}#header h1{font-size:18px}#headerActions{gap:8px;margin-left:auto}#content{padding:16px;overflow:visible}.stats-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.stat-card{padding:15px}.stat-card .value{font-size:25px}.toolbar>*{max-width:100%}.toolbar input{width:100%!important;flex:1 1 100%}.toolbar select{flex:1}.management-card{padding:16px}.management-intro h2{font-size:22px}.table-scroll table{min-width:600px}.modal-overlay{padding:10px}.modal{padding:20px;width:100%!important;max-height:92dvh}.book-reader{height:68dvh;flex-direction:column}.chapter-list{width:100%;max-height:150px;border-right:0;border-bottom:1px solid var(--border)}.chapter-content{padding:18px;min-height:0}.chapter-content-body{font-size:16px}.reader-controls{flex-wrap:wrap}.reader-controls h3{flex-basis:100%;font-size:18px}.management-link{flex-wrap:wrap}.management-link input{flex-basis:100%}.management-qr{width:150px;height:150px}}
#mobileNavClose,#mobileNavOverlay{display:none}
.header-nav-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px;min-width:0}
@media(max-width:700px){
body #sidebar{position:fixed;inset:0 auto 0 0;width:min(280px,85vw);height:100vh;height:100dvh;max-height:none;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;padding:12px;border-right:1px solid var(--border);border-bottom:0;gap:3px;z-index:600;transform:translateX(-100%);visibility:hidden;transition:transform .2s ease,visibility .2s}
body.mobile-nav-open{overflow:hidden}
body.mobile-nav-open #sidebar{transform:translateX(0);visibility:visible;transition:transform .2s ease,visibility 0s}
body #sidebar .sidebar-logo{display:block;padding:16px 12px}
body #sidebar .sidebar-footer{display:block}
body #sidebar .nav-item{display:flex;min-height:48px;padding:12px 16px;white-space:normal;flex:0 0 auto}
#mobileNavToggle,#mobileNavClose{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px}
#mobileNavToggle[hidden]{display:none}
#mobileNavClose{align-self:flex-end}
#mobileNavOverlay:not([hidden]){display:block;position:fixed;inset:0;background:#0f172a66;z-index:599;touch-action:none}
}
@media(prefers-reduced-motion:reduce){body #sidebar,body.mobile-nav-open #sidebar{transition:none}}

.management-poster{width:min(300px,100%);margin:16px 0;border-radius:10px;overflow:hidden}.management-poster-image{width:100%;height:auto}.management-poster-image:not([hidden]){display:block}.management-poster+.btn{margin-bottom:10px}
@media(max-width:700px){
body[data-page=children] #pageTitle,#page-children>.management-intro h2{display:none}
#page-children.active{display:flex;flex-direction:column}
#page-children>.children-invite{order:-1}
#page-children .management-poster{width:min(300px,100%,calc((100dvh - 220px) * 2 / 3));margin:0 auto 12px}
}
#page-community label{display:block;margin:12px 0 8px;color:var(--text2)}
#page-community input{display:block;width:100%;max-width:100%;margin-top:8px}
#page-community input:not([type=file]){padding:10px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text)}
#page-community .btn{margin:6px 0 10px}#page-community .muted{font-size:13px;color:var(--text3);margin:4px 0 14px}