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env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fffffff0;border:1px solid #d8e1dbe6;border-radius:21px;grid-template-columns:1fr 1fr 1fr 1fr 1fr;align-items:center;height:70px;padding:7px 8px;display:grid;position:fixed;box-shadow:0 12px 45px #1f362921}.bottom-nav .nav-button{background:0 0;flex-direction:column;justify-content:center;gap:2px;min-height:51px;padding:0;display:flex}.bottom-nav .nav-button>span{font-size:20px;line-height:1}.bottom-nav .nav-button small{font-size:9px}.bottom-nav .nav-button.active{color:var(--green)}.fab{background:var(--green);color:#fff;cursor:pointer;border:0;border-radius:16px;justify-self:center;width:48px;height:48px;font-size:24px;box-shadow:0 8px 20px #216b4f40}.profile-popover{top:76px;right:22px}.contact-footer{margin:0 24px 110px}.contact-body{grid-template-columns:1fr 1.25fr 90px;gap:18px}}@media (width<=560px){.topbar{padding-left:17px;padding-right:17px}.topbar-brand{width:84px;height:48px}.topbar-title{min-width:0}.topbar-title h1{font-size:17px}.mohub-corner{display:none}.topbar .eyebrow{font-size:8px}.top-actions{gap:7px}.top-avatar{width:34px;height:34px}.streak-pill{height:34px;padding:0 10px;font-size:12px}.learn-view{padding:5px 16px 106px}.level-picker{gap:3px;margin-bottom:15px}.level-picker button{flex-direction:column;gap:0;min-height:40px}.progress-row{margin-bottom:19px}.flashcard{border-radius:20px;min-height:min(53svh,390px);padding:20px 20px 16px}.card-content{padding-left:0;padding-right:0}.rating-grid{gap:5px}.rating-grid button{border-radius:11px;min-height:55px}.rating-grid button span{font-size:9.5px}.rating-grid button kbd,.keyboard-hint{display:none}.today-card{margin-top:18px}.panel-view{padding:13px 17px 105px}.section-heading{align-items:start}.section-heading h2{font-size:22px}.primary-button{padding:10px 12px;font-size:11px}.deck-card.featured{flex-wrap:wrap;padding:20px}.deck-card.featured>button{width:100%}.deck-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.stats-grid .stat-card:last-child{grid-column:span 2;min-height:140px}.stat-card{min-height:165px;padding:18px}.chart-card{padding:20px 14px 25px}.chart-card h2{font-size:22px}.bar-chart{gap:5px}.bottom-nav{left:9px;right:9px}.modal-backdrop{align-items:end;padding:0}.modal{padding:24px 20px max(24px, env(safe-area-inset-bottom));border-radius:22px 22px 0 0}.contact-footer{border-radius:18px;margin:8px 16px 105px}.contact-body{grid-template-columns:1fr;gap:20px;padding:20px}.contact-branding{text-align:center;align-items:center}.contact-branding>img{width:165px}.contact-links{grid-template-columns:1fr}.contact-links a{min-height:58px}.contact-links strong{font-size:11px}.contact-qr{flex-direction:column;align-items:center;display:flex}.contact-qr img{width:126px;height:126px}.qr-link{padding:9px;display:inline-block}.privacy-note{flex-direction:column;align-items:flex-start;gap:7px;padding:14px 18px}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}