:root{--ink:#172033;--muted:#667085;--line:#dce3ee;--canvas:#f4f6fa;--surface:#fff;--navy:#16203a;--primary:#3e5bea;--primary-soft:#edf0ff;--green:#14804a;--amber:#b86500;--red:#c43c38;--shadow:0 16px 40px #17203317;color:var(--ink);background:var(--canvas);font-family:Malgun Gothic,맑은 고딕,sans-serif;font-size:11pt}*{box-sizing:border-box}body{background:var(--canvas);min-height:100vh;margin:0}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}:focus-visible{outline-offset:2px;outline:3px solid #9dabff}h1{font-size:15pt;line-height:1.35}h2,.section-title{font-size:13pt;line-height:1.4}h3{font-size:11pt}p{line-height:1.65}.loading-screen{min-height:100vh;color:var(--muted);place-items:center;display:grid}.button{border:1px solid 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(max-width:760px){.login-page{grid-template-columns:1fr}.login-brand{min-height:260px;padding:30px}.login-brand-copy h1{font-size:20pt}.studio-shell{grid-template-columns:1fr}.sidebar{height:auto;padding:12px;position:static}.sidebar-nav{grid-template-columns:repeat(4,1fr)}.sidebar-section,.sidebar-spacer,.sidebar-user{display:none}.sidebar .brand-mark{padding-bottom:12px}.sidebar-link{justify-content:center;padding:0 6px;font-size:8pt}.studio-main{padding:0 14px 24px}.topbar{min-height:62px}.topbar-title p{display:none}.library-toolbar{grid-template-columns:1fr 1fr}.search-box{grid-column:1/-1}.presentation-grid,.presentation-grid.list{grid-template-columns:1fr}.presentation-grid.list .presentation-card{grid-template-columns:120px 1fr}.card-actions{flex-wrap:wrap}.card-actions .icon-button[data-tooltip]{flex:30%;gap:6px;width:auto;min-width:max-content;padding:0 9px;display:inline-flex}.card-actions .icon-button[data-tooltip]:before{display:none}.card-actions 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