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env(safe-area-inset-bottom));padding:6px 14px calc(6px + env(safe-area-inset-bottom));border-top:1px solid var(--border);background:var(--surface);grid-template-columns:repeat(3,1fr);gap:8px;display:grid;position:fixed;inset:auto 0 0}.mobile-actions button{border:1px solid var(--border);background:var(--surface);min-height:44px;color:var(--text);border-radius:8px;font-weight:650}.mobile-actions button:last-child{border-color:var(--accent);background:var(--accent);color:var(--accent-text)}.support-content{padding:22px 15px 0}.support-inner{grid-template-columns:1fr;gap:32px}.support-inner h2{font-size:20px}.site-footer{flex-wrap:wrap;gap:12px;margin-top:25px;padding:17px 15px 86px}.site-footer nav{order:3;width:100%;margin:0}.site-footer small{width:100%}.sheet-backdrop{align-items:end;padding:0}.sheet{width:100%;max-height:min(92vh,800px);padding:18px 16px calc(18px + env(safe-area-inset-bottom));border-radius:15px 15px 0 0}.sheet-actions .button{flex:1}.static-page article{padding:38px 16px 60px}.static-page h1,.library-content h1{font-size:27px}.library-content{padding:34px 14px 80px}.library-title{flex-direction:column;align-items:flex-start}.project-card{grid-template-columns:1fr auto;gap:10px;padding:12px}.project-card-preview{grid-column:1/-1;grid-template-columns:repeat(5,1fr)}.project-card-preview span{text-align:center;min-height:19px}.project-card-main{grid-column:1}.project-card-actions{flex-direction:column;grid-area:2/2;align-items:stretch}.project-card-actions .button{min-height:38px}.presentation-toolbar{min-height:48px;padding:4px 10px}.presentation-toolbar .button{min-height:38px}}@media (max-width:360px){.site-header{flex-wrap:wrap;gap:2px 8px;height:auto;min-height:53px;padding:0 8px;display:flex}.site-header nav{flex:1 0 100%;order:3;justify-content:space-between;gap:8px;margin-left:0}.theme-button{margin-left:auto}.site-header nav a{font-size:12px}.intro{padding-left:12px;padding-right:12px}.workspace{padding-left:8px;padding-right:8px}.board{padding:6px}.tier-row{grid-template-columns:46px minmax(0,1fr) 44px}.tier-controls{width:44px}.item-card{width:58px;min-width:54px}.tier-items{gap:5px;padding:5px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}