:root{--bg-app: #0f172a;--bg-sidebar: #111827;--bg-card: #1e293b;--bg-card-hover: #263449;--bg-input: #0b1120;--border-subtle: #334155;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #38bdf8;--accent-strong: #0284c7;--green: #22c55e;--green-bg: rgba(34, 197, 94, .16);--amber: #f59e0b;--amber-bg: rgba(245, 158, 11, .16);--red: #ef4444;--red-bg: rgba(239, 68, 68, .16)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,Roboto,sans-serif;background-color:var(--bg-app);color:var(--text-primary);height:100dvh;overflow:hidden}.app-shell{display:flex;height:100dvh;width:100%;position:relative}.mobile-backdrop,.mobile-topbar,.mobile-close-btn{display:none}.sidebar{width:340px;min-width:340px;background:var(--bg-sidebar);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;height:100dvh}.sidebar-header{padding:18px 16px 12px;border-bottom:1px solid 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