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p{margin:0;font-size:13px}.empty-sheet{width:84px;height:108px;display:grid;place-items:center;color:var(--coral);background:var(--paper);border:1px solid var(--line);box-shadow:7px 7px #d7e3e7;font-size:28px;transform:rotate(-4deg)}.toast{display:flex;align-items:center;gap:12px;position:fixed;z-index:20;right:24px;bottom:28px;max-width:min(390px,calc(100vw - 48px));padding:12px 14px;color:#2d674e;background:#e5f3e9;border:1px solid #b8dbc6;border-radius:10px;box-shadow:0 10px 30px #1e3c281f;font-size:12px;animation:toast-in .25s both}.toast.error{color:#913d32;background:#fde8e4;border-color:#eab7ae}.toast button{width:20px;height:20px;display:grid;place-items:center;margin-left:auto;color:currentColor;background:transparent}.toast .app-icon{width:15px}.app-footer{display:flex;justify-content:space-between;padding:15px clamp(20px,4vw,64px);color:#8c9695;border-top:1px solid rgba(184,177,162,.45);font-size:10px}.mobile-settings,.drawer-scrim{display:none}@keyframes paper-in{0%{opacity:0;transform:translateY(12px) rotate(.3deg)}to{opacity:1;transform:none}}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}@media(max-width:1050px){.workspace{grid-template-columns:minmax(290px,330px) minmax(0,1fr)}.settings-drawer{padding-left:24px;padding-right:20px}.paper{padding:43px 42px 32px}}@media(max-width:780px){.app-shell{min-height:100vh;grid-template-rows:minmax(0,1fr)}.mobile-settings{display:inline-flex;min-height:44px;padding:0 12px;font-size:12px}.workspace{display:block;min-height:0}.settings-drawer{width:min(390px,calc(100vw - 30px));height:100vh;position:fixed;z-index:30;top:0;left:0;padding:20px 18px 42px;background:#f8f6ef;box-shadow:20px 0 50px #1c2e3a33;transform:translate(-103%);transition:transform .25s}.settings-drawer.open{transform:translate(0)}.drawer-scrim{display:block;position:fixed;z-index:25;top:0;right:0;bottom:0;left:0;background:#19324a59;opacity:0;pointer-events:none;transition:opacity .25s}.settings-drawer.open+.drawer-scrim{opacity:1;pointer-events:auto}.drawer-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;margin-bottom:23px;border-bottom:1px solid var(--line)}.drawer-head strong{display:block;margin-top:4px;overflow:hidden;max-width:245px;font-size:14px;text-overflow:ellipsis;white-space:nowrap}.close-drawer{width:44px;height:44px}.preview-area{height:100%;padding:19px 12px 44px}.preview-toolbar{margin-bottom:11px}.paper-stack{gap:14px}.paper{padding:34px 25px 24px}.paper:before{top:17px;right:20px}.paper h1{margin:9px 0 17px;font-size:23px}.paper-meta{gap:9px;font-size:9px}.paper-meta i{width:48px}.paper-meta i.score-line{width:30px}.exercise-grid{gap:calc(var(--sheet-gap) * .72) 13px}.exercise-item{min-height:36px;font-size:max(14px,calc(var(--sheet-font) * .78))}.app-footer{display:none}}@media(max-width:600px){.zoom-control{display:none}}@media(max-width:420px){.paper{padding-left:19px;padding-right:19px}.paper h1{font-size:21px}.paper-meta{justify-content:flex-start}.paper-meta span:nth-child(n+3){display:none}.preview-toolbar .button{padding:0 10px}.answer-list{columns:1}}@page{size:A4 portrait;margin:12mm}@media print{:root{background:#fff}body{min-width:0;background:#fff}.app-shell{height:auto;display:block;overflow:visible}.settings-drawer,.preview-toolbar,.app-footer,.toast,.drawer-scrim,.exercise-actions{display:none!important}.workspace,.preview-area{display:block;min-height:0;padding:0;overflow:visible}.paper-stack{display:block;width:auto;transform:none!important}.paper{width:auto;min-height:0;height:273mm;padding:0;margin:0;border:0;box-shadow:none;animation:none;break-after:page}.paper:before{display:none}.paper:last-child{break-after:auto}.paper-header{padding-top:3mm;margin-bottom:6mm}.paper h1{font-size:24px}.exercise-item{color:#111;font-size:var(--sheet-font)}.exercise-grid{grid-template-columns:repeat(var(--sheet-cols),minmax(0,1fr))!important}.paper-footer{color:#555}.screen-answer-prompt{display:none!important}.print-answer-prompt{display:inline!important;white-space:pre-wrap}.answer-paper{height:auto;min-height:100mm}.answer-list{color:#111}}