:root {
    --sp-sidebar-width: 250px;
    --sp-sidebar-bg: #111827;
    --sp-sidebar-color: #cbd5e1;
    --sp-sidebar-active: #2563eb;
}
body { background: #f4f6fa; }
.sp-sidebar {
    width: var(--sp-sidebar-width); background: var(--sp-sidebar-bg); color: var(--sp-sidebar-color);
    min-height: 100vh; position: fixed; top: 0; left: 0; z-index: 1030; overflow-y: auto;
    transition: transform .2s ease;
}
.sp-sidebar .brand { color: #fff; font-weight: 700; font-size: 1.15rem; padding: 1.1rem 1.25rem; display: block; text-decoration: none; }
.sp-sidebar .nav-section { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: #64748b; padding: 1rem 1.25rem .35rem; }
.sp-sidebar .nav-link { color: var(--sp-sidebar-color); padding: .5rem 1.25rem; display: flex; align-items: center; gap: .65rem; border-left: 3px solid transparent; }
.sp-sidebar .nav-link:hover { color: #fff; background: rgba(255,255,255,.04); }
.sp-sidebar .nav-link.active { color: #fff; background: rgba(37,99,235,.18); border-left-color: var(--sp-sidebar-active); }
.sp-main { margin-left: var(--sp-sidebar-width); min-height: 100vh; }
.sp-topbar { background: #fff; border-bottom: 1px solid #e5e7eb; padding: .65rem 1.5rem; position: sticky; top: 0; z-index: 1020; }
.sp-content { padding: 1.5rem; }
.card { border: 1px solid #e5e7eb; box-shadow: 0 1px 2px rgba(16,24,40,.04); }
.stat-card .stat-value { font-size: 1.75rem; font-weight: 700; line-height: 1.1; }
.stat-card .stat-icon { width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; font-size: 1.25rem; }
.table > :not(caption) > * > * { padding: .7rem .9rem; }
.table thead th { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: #6b7280; background: #f9fafb; }
.auth-wrapper { min-height: 100vh; display: grid; place-items: center; padding: 1rem; background: linear-gradient(135deg, #111827 0%, #1e3a8a 100%); }
.auth-card { width: 100%; max-width: 420px; }
.token-box { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; word-break: break-all; }
@media (max-width: 991.98px) {
    .sp-sidebar { transform: translateX(-100%); }
    .sp-sidebar.show { transform: translateX(0); }
    .sp-main { margin-left: 0; }
}