/* Compact identity and quiet, consistent navigation. */
.sidebar .brand{gap:10px;padding:0 2px 18px;border-bottom:1px solid #d4e6f2;font-size:20px;letter-spacing:.3px;white-space:nowrap;line-height:1.2}
.sidebar .brand-icon{width:46px;height:46px;flex:0 0 46px;border-radius:12px;background:#fff;overflow:hidden}
.brand-icon img{display:block;width:100%;height:100%;object-fit:contain}
#brand-sub{display:none}
.sidebar{background:linear-gradient(165deg,#f5fbff,#eaf5fc);padding:22px 14px;overflow-y:auto;scrollbar-width:thin}
.sidebar>.eyebrow{margin:21px 12px 10px;font-size:10px;letter-spacing:1.5px;color:#587082}
.sidebar nav,.mobile-drawer nav{gap:5px}
.sidebar nav a,.mobile-drawer nav a{position:relative;display:flex;align-items:center;gap:10px;min-height:46px;padding:9px 11px;border:1px solid transparent;border-radius:12px;color:#000;font-size:13px;line-height:1.4;font-weight:400;transition:background .15s,border-color .15s}
.sidebar nav a:hover,.mobile-drawer nav a:hover{background:#ffffffb8;border-color:#daeaf6}
.sidebar nav a.active,.mobile-drawer nav a.active{background:#dceffc;border-color:#c5e2f5;box-shadow:inset 3px 0 0 #65afe0;font-weight:600;color:#000}
.sidebar nav .nav-icon,.mobile-drawer nav .nav-icon{display:grid;place-items:center;width:29px;height:29px;flex:0 0 29px;border-radius:9px;background:#fff9;color:#326e98;font-size:16px;line-height:1}
.sidebar nav a.active .nav-icon,.mobile-drawer nav a.active .nav-icon{background:white;color:#2176b0}
.sidebar .side-bottom{padding:18px 10px 0}.sidebar .mini-grid{display:none}.sidebar .side-bottom p{font-size:11px;line-height:1.5;color:#536b7c}.sidebar .author{border-color:#d4e6f2;padding-top:13px}
.mobile-drawer{background:linear-gradient(165deg,#f5fbff,#eaf5fc);padding:20px 16px}.drawer-top{border-bottom:1px solid #d4e6f2;margin-bottom:16px;padding-bottom:16px}.drawer-brand{display:flex;align-items:center;gap:10px;font-size:20px;white-space:nowrap}.drawer-brand img{width:46px;height:46px;object-fit:contain;border-radius:12px}.drawer-top button{background:#ffffffb8;color:#38607d;border:1px solid #d8e9f5;border-radius:12px}
@media(prefers-reduced-motion:reduce){.sidebar nav a,.mobile-drawer nav a{transition:none}}