:root{--ink:#16313b;--muted:#62747b;--teal:#087f72;--mint:#dcf4e9;--line:#dce4e3;--paper:#f5f7f5;--white:#fff;--gold:#f3d99f;--red:#a43838;--shadow:0 6px 30px #18393a08;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--paper);font-size:15px;line-height:1.55}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a,input,select,textarea,summary{touch-action:manipulation}button,a{outline-offset:4px}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--teal);border:1px solid var(--teal);border-radius:9px;color:white;font-weight:650;padding:10px 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@media(max-width:1100px){.shell{grid-template-columns:190px minmax(0,1fr)}.main{padding:0 23px 40px}.sidebar{padding:26px 13px}.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}.session-layout{grid-template-columns:1fr}.sidepanel{position:static}.hero{grid-template-columns:1fr}.hero-art{display:none}}
@media(max-width:700px){.shell{display:block}.sidebar{position:static;height:auto;padding:16px;gap:12px}.sidebar .brand{font-size:20px}.sidebar nav{display:flex;overflow:auto;gap:4px}.sidebar nav a{white-space:nowrap;padding:8px;font-size:12px}.sidebar nav svg{display:none}.sidebar .foot{display:none}.main{padding:0 17px 35px}.topbar{height:54px;margin-bottom:22px}.topbar>span:last-child{display:none}h1{font-size:27px}.pagehead{display:block}.pagehead>.actions{margin-top:15px}.grid.two,.grid.three{grid-template-columns:1fr}.grid.four{gap:10px}.card{padding:19px}.hero{padding:23px}.hero h1{font-size:30px}.hero p{font-size:13px}.formgrid{grid-template-columns:1fr}.join-panel{grid-template-columns:100px minmax(0,1fr);gap:16px}.join-panel .qr{width:100px;height:100px}.code{font-size:19px}.display{padding:16px}.display-join{grid-template-columns:1fr 140px;padding:20px;gap:12px}.display-join .qr{height:140px;width:140px}.display-join p{font-size:12px}.display .code{font-size:22px}.display-results{grid-template-columns:1fr}.barrow{grid-template-columns:1.2fr 1.5fr 35px}.public{padding:20px 12px 45px}.public .brand{margin-bottom:20px}.question{padding:18px}.public-header{padding:21px}.matrix-row .choices{display:block}.matrix-row .choice{margin:6px 0}.filterrow{flex-wrap:wrap}.builder-head .actions{gap:5px}.builder-head button{font-size:12px;padding:8px 10px}th,td{padding:12px}.metric{font-size:30px}}
@media print{.sidebar,.topbar,.pagehead>.actions,.sidepanel,.no-print,.filterrow,#toasts,dialog,.student-footer{display:none!important}.shell,.session-layout{display:block}.main{padding:0;max-width:100%}.card{box-shadow:none;break-inside:avoid}.print-only{display:block}.chart-card{border:1px solid #ddd}.display{padding:0}body{background:white}button{display:none!important}}