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popoverFadeIn;display:flex}.card-divider-line{background:var(--line);height:1px;margin-bottom:4px}.card-meanings-list{flex-direction:column;gap:6px;display:flex}.meaning-item{color:var(--ink);font-size:16px;font-weight:600;line-height:1.45}.card-source-sentence{color:var(--ink-secondary);border-radius:var(--radius-md);background:var(--paper-subtle);border-left:3px solid var(--accent);padding:8px 12px;font-size:13px;line-height:1.6}.card-video-link{color:var(--accent-dark);margin-top:2px;font-size:12px;font-weight:600;text-decoration:none;display:inline-block}.flashcard-thumb-bar{z-index:990;padding:10px 16px max(14px, env(safe-area-inset-bottom,14px));-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line);background:#f8f7f2f0;grid-template-columns:repeat(3,1fr);gap:8px;max-width:720px;margin:0 auto;animation:.18s ease-out updateToastSlideUp;display:grid;position:fixed;bottom:0;left:0;right:0}.thumb-action-btn{border-radius:var(--radius-md);border:1px solid 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32px;display:flex}.gate-icon-badge{margin-bottom:2px;font-size:36px}.gate-title{font-family:var(--font-display);color:var(--ink);letter-spacing:-.02em;font-size:21px;font-weight:750}.gate-desc{color:var(--muted);max-width:420px;margin-bottom:4px;font-size:13.5px;line-height:1.55}.gate-action-box{justify-content:center;min-height:44px;margin:8px 0;display:flex}.gate-perks{border-radius:var(--radius-md);background:var(--paper-subtle);border:1px solid var(--line);text-align:left;flex-direction:column;gap:8px;width:100%;max-width:420px;padding:14px 16px;display:flex}.gate-perk-item{color:var(--ink-secondary);align-items:center;gap:8px;font-size:12.5px;font-weight:500;display:flex}.perk-check{color:var(--green);font-size:13px;font-weight:800}.app-footer{text-align:center;color:var(--muted);flex-direction:column;align-items:center;gap:4px;margin-top:auto;padding:32px 0 12px;font-size:11px;display:flex}@media (width>=641px){.study-shell{padding:24px 24px 60px}.mission-card{padding:28px}.mission-headline{font-size:24px}.start-review-hero-btn{min-height:52px;font-size:16px}.flashcard-thumb-bar{-webkit-backdrop-filter:none;background:0 0;border:none;padding:0;position:static}.session-shell{padding-bottom:40px}.thumb-action-btn{min-height:60px}.btn-title{font-size:14.5px}.completion-btn-group{flex-direction:row;max-width:380px}}
