:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#0f172a;background:#f0f4f8}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:#f0f4f8}.app-shell{min-height:100vh}.app-sider{position:fixed!important;inset:0 auto 0 0;height:100vh;overflow:auto}.app-main{margin-left:256px;min-height:100vh}.app-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:#fff;border-bottom:1px solid #e2e8f0}.app-content{padding:24px}.page-title{margin:0!important}.page-description{color:#64748b;margin-top:4px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.page-card{border:1px solid #e2e8f0;box-shadow:0 1px 3px #0f172a0f}.login-page{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr;background:#0f172a}.login-hero{display:flex;align-items:center;padding:64px;color:#fff}.login-panel{display:flex;align-items:center;justify-content:center;padding:24px;background:#f0f4f8}.login-card{width:100%;max-width:440px}.asset-preview{width:100%;height:180px;object-fit:cover;border-radius:10px;background:#f8fafc}.thumbnail{width:76px;height:48px;border-radius:8px;object-fit:cover;background:#f1f5f9}@media (max-width: 900px){.login-page{grid-template-columns:1fr}.login-hero{display:none}.app-main{margin-left:0}.app-sider{display:none}.app-content{padding:16px}.mobile-menu-button{display:inline-flex}.page-header{flex-direction:column}}.mobile-menu-button{display:none}