:root{--nanum-bordo: #7a2925;--nanum-amber: #f0a24f;--nanum-black: #000000;--nanum-bg: #f6f4f2;--nanum-ink: #1f1a17;--nanum-soft: #ded8d3}*{box-sizing:border-box;font-family:Montserrat,Avenir Next,Trebuchet MS,sans-serif}body{margin:0;background:radial-gradient(circle at top left,#fff4e8 0%,var(--nanum-bg) 45%,#efe9e4 100%);color:var(--nanum-ink)}button{border:none;background:linear-gradient(120deg,var(--nanum-bordo),#5a1d1b);color:#fff;padding:10px 16px;border-radius:8px;cursor:pointer}input,select{width:100%;padding:10px;border:1px solid #c5beb8;border-radius:8px;margin-bottom:8px}.login-screen{min-height:100vh;display:grid;place-items:center}.login-card{width:min(480px,92vw);background:#fff;border:1px solid var(--nanum-soft);border-top:8px solid var(--nanum-bordo);border-radius:16px;padding:32px;box-shadow:0 20px 45px #140c0a1a}.brand{color:var(--nanum-amber);font-weight:700;letter-spacing:.08em}.app-shell{display:grid;grid-template-columns:320px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,#2e201f,#1d1413);color:#fff;padding:24px 18px}.sidebar-brand{border-bottom:1px solid #594240;margin-bottom:16px;padding-bottom:16px}.brand-title{font-size:24px;font-weight:800;color:var(--nanum-amber)}.brand-subtitle{font-size:14px;color:#ead9d8}.sidebar-nav summary{cursor:pointer;padding:8px;font-weight:600}.drilldown-items{display:grid;gap:6px;margin:8px 0 14px}.drilldown-items button{background:#3a2a28;text-align:left}.drilldown-items button.active{background:var(--nanum-amber);color:#2b1d10}.sidebar-admin{border-top:1px solid #594240;margin-top:24px;padding-top:16px}.main-content{padding:20px}.main-header,.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px}.header-controls{display:grid;justify-items:end;gap:8px}.header-actions{display:flex;gap:8px;flex-wrap:wrap}.header-user-chip{background:#fff;border:1px solid #e4d8cf;border-radius:999px;color:var(--nanum-bordo);font-size:14px;font-weight:700;padding:8px 14px}.alert{background:#ffe4e4;color:#811616;border:1px solid #ffc8c8;border-radius:10px;padding:12px;margin-bottom:12px}.embed-container{background:#fff;border:1px solid var(--nanum-soft);border-radius:14px;overflow:hidden;min-height:70vh}.powerbi-frame{width:100%;height:72vh}.admin-shell{padding:20px}.admin-content,.card-grid{display:grid;gap:16px}.card-grid{grid-template-columns:repeat(auto-fit,minmax(360px,1fr))}.card{background:#fff;border:1px solid var(--nanum-soft);border-radius:12px;padding:16px;overflow:auto}.line{display:flex;align-items:center;gap:8px}.workspace-box{border:1px solid #e5ddd6;border-radius:8px;padding:10px;margin-bottom:10px}table{width:100%;border-collapse:collapse}th,td{border-bottom:1px solid #ece6df;padding:8px;text-align:left}.screen-center{min-height:100vh;display:grid;place-items:center}.empty-state{background:#fff;border:1px dashed #cfc4ba;border-radius:12px;padding:24px}@media (max-width: 980px){.app-shell{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:2}}