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600px){.podcast-header{flex-direction:column;align-items:center;text-align:center;padding:20px}.podcast-cover-large{width:120px;height:120px}.podcast-tags{justify-content:center}.subscribe-btn-large{width:100%}.episode-meta{flex-wrap:wrap;gap:8px}}.app{display:flex;flex-direction:column;height:100vh;background:var(--bg-color)}.main-content{flex:1;overflow-y:auto;padding-bottom:100px}.loading-screen{display:flex;align-items:center;justify-content:center;height:100vh}.loading-content{text-align:center}.loading-spinner{width:48px;height:48px;border:4px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}.loading-content p{color:var(--text-secondary);font-size:14px}.app-footer{text-align:center;padding:12px;background:var(--card-bg);border-top:1px solid var(--border-color);position:fixed;bottom:80px;left:0;right:0;z-index:50}.app-footer 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