:root{--nav:#0d223c;--nav2:#132d4e;--blue:#2575f5;--bg:#f3f6fb;--ink:#152844;--muted:#7b8ca4;--border:#e4eaf2;--shadow:0 5px 25px rgba(20,52,85,.05)}*{box-sizing:border-box}body{margin:0;font:14px system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--bg)}button,input,select{font:inherit}button{cursor:pointer;border:0}h1,h2,h3,p{margin-top:0}.hidden{display:none!important}.app{display:flex;min-height:100vh}.sidebar{width:238px;flex-shrink:0;background:linear-gradient(180deg,#102c4b,#091a30);color:#c4d3e7;min-height:100vh;padding:24px 13px;display:flex;flex-direction:column}.brand{font-weight:800;color:white;font-size:19px;padding:0 14px;margin:0 0 33px;letter-spacing:-.6px}.brand b{font-weight:500}.brand-icon{display:inline-grid;place-items:center;color:#79c7fa;font-size:27px;vertical-align:middle;margin-right:5px}.sidebar-tag{font-size:10px;letter-spacing:2px;padding:0 15px 12px;color:#7291b0}.sidebar 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h1{font-size:23px}.form-grid{grid-template-columns:1fr}.top-actions{width:100%;justify-content:end}.rooms-grid{grid-template-columns:repeat(2,1fr)}}