:root{--bg:#f7f9fc;--surface:#fff;--surface-hover:#eceef1;--ink:#191c1e;--ink-muted:#4a4a4a;--ink-faint:#8a9298;--accent:#036;--accent-ink:#fff;--accent-soft:#d5e3ff;--line:#e0e3e6;--warn:#ba1a1a;--warn-soft:#fbe4e4;--radius:12px;--radius-sm:8px;--shadow-card:0px 2px 4px rgba(0,0,0,.05);--shadow-raised:0px 12px 32px rgba(0,0,0,.12);--font-display:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-body:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:ui-monospace,"SF Mono","Cascadia Code",monospace}*{box-sizing:border-box}body,html{padding:0;margin:0}body{background:var(--bg);color:var(--ink);font-family:var(--font-body);-webkit-font-smoothing:antialiased}a{color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}@media (prefers-reduced-motion:no-preference){.skeleton-shimmer{animation:skeleton-shimmer 1.4s ease infinite}}@keyframes skeleton-shimmer{0%{background-position:100% 0}to{background-position:0 0}}.app-shell,.main-content{display:flex;height:100vh}.main-content{flex:1 1;min-width:0;flex-direction:column;margin-left:224px}.main-scroll-area{flex:1 1;min-height:0;overflow-y:auto}.sidebar{width:224px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--line);padding:22px 16px 32px;overflow-y:auto;height:100vh;position:fixed;top:0;left:0;z-index:15}.sidebar-backdrop,.sidebar-toggle{display:none}@media (max-width:860px){.main-content{margin-left:0}.sidebar{position:fixed;top:0;left:0;bottom:0;z-index:40;transform:translateX(-100%);transition:transform .2s ease;box-shadow:var(--shadow-raised)}.sidebar.sidebar-open{transform:translateX(0)}.sidebar-toggle{display:inline-flex}.sidebar-backdrop.sidebar-open{display:block;position:fixed;inset:0;background:rgba(14,15,20,.4);z-index:30}.admin-topbar{padding-left:56px}}