:root{--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-light:#dbeafe;--color-background:#f8fafc;--color-surface:#fff;--color-border:#e2e8f0;--color-text:#0f172a;--color-text-muted:#64748b;--color-error:#dc2626;--color-success:#16a34a;--color-warning:#d97706;--sidebar-width:280px;--header-height:64px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--shadow-sm:0 1px 2px #0f172a0f;--shadow-md:0 4px 12px #0f172a14;--font-sans:"Inter", system-ui, -apple-system, sans-serif}[dir=rtl]{--font-sans:"Inter", "Noto Sans Arabic", system-ui, sans-serif}
*,:before,:after{box-sizing:border-box}html,body{min-height:100%;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--color-background);color:var(--color-text);-webkit-font-smoothing:antialiased}.placeholder{justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.placeholderCard{text-align:center;max-width:480px}.placeholderTitle{margin:0 0 .5rem;font-size:1.75rem;font-weight:700}.placeholderSubtitle{color:var(--color-text-muted);margin:0 0 1rem}.placeholderMessage{color:var(--color-text-muted);margin:0 0 1.5rem;font-size:.9375rem;line-height:1.6}.adminLocaleSwitcher{border-top:none;justify-content:center;padding:0}