:root{--bg:#f6f7f9;--panel:#fff;--text:#17202a;--muted:#6b7280;--border:#e5e7eb;--accent:#1f6feb;--accent-soft:#eaf2ff;--ok:#18864b;--warn:#b7791f;--danger:#c53030;--sidebar:#111827;--sidebar2:#1f2937}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text)}
.app{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--sidebar);color:#fff;position:fixed;inset:0 auto 0 0;padding:18px 12px;overflow:auto}
.brand{font-weight:800;font-size:19px;padding:10px 12px 18px}
.brand small{display:block;font-weight:500;color:#9ca3af;font-size:11px;margin-top:4px}
.xelvio-wordmark{display:flex;align-items:center;gap:10px;font-size:28px;font-weight:750;letter-spacing:-1px;line-height:28px}
.xelvio-wordmark img{display:block;width:36px;height:28px;flex-shrink:0}
.xelvio-brand small{margin-left:46px;line-height:1.45}
.login-card>.xelvio-brand{padding:0 0 22px}
.nav-item{padding:10px 12px;margin:3px 0;border-radius:8px;color:#d1d5db;display:flex;gap:4px;align-items:center;text-decoration:none;white-space:nowrap}
.nav-item:hover,.nav-item.active{background:var(--sidebar2);color:#fff}
.main{margin-left:240px;min-width:0;flex:1}
.topbar{height:64px;background:var(--panel);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:5}
.crumb{font-size:14px;color:var(--muted)}
.user{display:flex;align-items:center;gap:10px}
.user-name{font-size:13px;font-weight:700}
.user-meta{font-size:11px;color:var(--muted)}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-weight:700;font-size:19px}
.content{padding:24px}
h1{font-size:26px;margin:0 0 5px}
.subtitle{color:var(--muted);margin:0 0 20px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
h2{font-size:18px;margin:0 0 12px}
.card p{font-size:14px;line-height:1.55;margin:0 0 8px}
.card p:last-child{margin:0}
.muted{color:var(--muted)}
.back{display:inline-block;color:#1758b8;margin-bottom:16px}
:focus-visible{outline:3px solid #1f6feb;outline-offset:3px}
.sidebar :focus-visible{outline-color:#93c5fd}
.skip-link{position:fixed;top:-100px;left:252px;background:#fff;color:#17202a;padding:12px;z-index:20}
.skip-link:focus{top:8px}
@media(max-width:720px){.app{display:block}.sidebar{position:static;width:100%;height:auto}.main{margin-left:0}.topbar{position:static;height:auto;min-height:64px;padding:12px 14px;gap:12px}.content{padding:14px}.crumb{font-size:12px}.skip-link{left:12px}.user{flex-shrink:0}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Help remains separate from the operational modules. */
.sidebar{display:flex;flex-direction:column}.sidebar>.brand,.sidebar>nav{flex-shrink:0}.sidebar-footer{margin-top:auto;padding-top:18px}.sidebar-footer .nav-item{border-top:1px solid #374151;border-radius:0;padding-top:14px}.sidebar-footer .nav-item.active{border-radius:8px}@media(max-width:720px){.sidebar-footer{margin-top:12px;padding-top:0}}