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var(--transition)}.btn-close-guide:hover{background:#f8717133}.hint-text{font-size:.75rem;color:var(--text-muted);text-align:center;margin-top:10px}.bottom-nav{display:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1f;border-radius:3px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media(max-width:1200px){.stats-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:1024px){.dashboard-layout{grid-template-columns:300px 1fr}.main-content{padding:28px 24px}}@media(max-width:768px){.dashboard-layout{display:block;padding-bottom:calc(72px + env(safe-area-inset-bottom))}.sidebar{position:fixed;inset:0;width:100%;max-width:100%;z-index:100;display:none;padding:20px 16px}.sidebar.active{display:flex;animation:slideIn .3s ease}.main-content{display:none;padding:20px 16px 24px}.main-content.active{display:block;animation:fadeIn .3s ease}.stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}.stat-card{padding:16px}.stat-card__value{font-size:1.4rem}.page-header{margin-bottom:24px}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:#07080df2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--border-subtle);padding:8px 12px calc(8px + env(safe-area-inset-bottom));z-index:200;gap:8px}.nav-item{flex:1;background:none;border:none;color:var(--text-muted);display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 8px;border-radius:var(--radius-md);font-size:.7rem;font-weight:600;cursor:pointer;transition:all var(--transition)}.nav-item.active{color:var(--accent-bright);background:var(--accent-dim)}.feed-card{min-height:360px}.tweet-card{padding:16px;gap:12px}.tweet-card__avatar{width:38px;height:38px}.guide-panel{padding:24px 20px}.modal-actions{flex-direction:column}}@media(max-width:480px){.stats-grid{grid-template-columns:1fr 1fr}.page-title{font-size:1.5rem}}@keyframes slideIn{0%{transform:translate(-12px);opacity:0}to{transform:translate(0);opacity:1}}