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ease}.back-button:hover{background-color:#000c}.avatar-story-wrapper{width:100%;height:100%}@media (max-width: 768px){.chat-container{min-width:280px;max-width:95vw;padding:14px}.speaking-timer{min-width:280px}.toggle-chat-button{padding:8px 14px;font-size:13px;min-width:120px}.timer-display{font-size:28px}.chat-input{font-size:13px}.chat-action-buttons{gap:6px}.chat-icon-button{width:32px;height:32px}}@media (max-width: 480px){.chat-container{min-width:260px;max-width:98vw;padding:12px;gap:12px}.container{padding:4px}.chat-action-buttons{gap:4px}.chat-icon-button{width:30px;height:30px}.chat-icon-button svg{width:16px;height:16px}}.loading-container{position:fixed;top:5px;left:-35%;width:100%;height:100%;display:flex;justify-content:center}.bilan .loading-container{left:-44%}.timer-container{position:fixed;bottom:30px;left:50%;transform:translate(-50%);z-index:20;display:flex;flex-direction:column;align-items:center}:root{--primary-color: #3498db;--primary-dark: #2980b9;--text-color: #333333;--bg-color: #f8f9fa;--card-bg: #ffffff;--card-shadow: 0 2px 10px rgba(0, 0, 0, .1);--border-radius: 8px;--transition: all .3s ease;--font-family: Exo 2, Segoe UI, Tahoma, Geneva, Verdana, sans-serif}