.chat-header h1,.share-header h3{-webkit-text-fill-color:transparent}.btn-back,.btn-share,.close-modal,.share-option{cursor:pointer;transition:.3s}:root{--primary:#dacd18ff;--primary-dark:#b1c218ff;--primary-light:#fdf90cff;--bg-dark:#1a1a2e;--bg-card:#16213e;--bg-input:#0f0f23;--text-primary:#ffffff;--text-secondary:#a0a0b0;--border-color:#2d2d4a}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%}body{font-family:'Segoe UI',Tahoma,sans-serif;background:linear-gradient(135deg,var(--bg-dark) 0,#0f0f23 100%);color:var(--text-primary);line-height:1.6}.chat-container{max-width:800px;width:100%;margin:0 auto;display:flex;flex-direction:column;height:100vh;height:100dvh}.chat-header{text-align:center;padding:12px 15px;border-bottom:1px solid var(--border-color);flex-shrink:0;background:var(--bg-dark);position:relative}.btn-back{color:var(--primary);left:15px}.chat-header h1{font-size:1.4rem;background:linear-gradient(90deg,var(--primary),#ff6b9d);-webkit-background-clip:text;background-clip:text}.chat-header p{color:var(--text-secondary);font-size:.8rem}.messages-wrapper{flex:1;overflow-y:auto;display:flex;flex-direction:column-reverse;padding:15px 15px 10px}.messages-list{display:flex;flex-direction:column;gap:12px}.new-message-form{background:var(--bg-card);padding:12px 15px;padding-bottom:calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--border-color);flex-shrink:0}.form-row-nickname{display:flex;gap:8px;margin-bottom:8px}.form-row-message{display:flex;gap:8px}.input-group{flex:1}.input-group input,.input-group textarea{width:100%;padding:12px 14px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:20px;color:var(--text-primary);font-size:16px}.input-group input:focus,.input-group textarea:focus{outline:0;border-color:var(--primary)}.input-group textarea{resize:none;min-height:44px;max-height:100px;border-radius:20px}.nickname-label{color:var(--text-secondary);font-size:.75rem;margin-bottom:4px;display:block}.btn-send{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;border:none;width:44px;height:44px;border-radius:50%;font-size:1.2rem;cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center}.btn-send:disabled{opacity:.6}.message-card{background:var(--bg-card);border-radius:12px;padding:12px;border:1px solid var(--border-color)}.message-card.own-message{border-left:3px solid var(--primary)}.message-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.message-author{display:flex;align-items:center;gap:8px}.author-avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#ff6b9d);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem}.author-name{font-weight:600;font-size:.85rem}.message-time{color:var(--text-secondary);font-size:.7rem}.message-content{word-wrap:break-word;margin-bottom:8px;font-size:.9rem}.og-preview{background:var(--bg-input);border-radius:10px;overflow:hidden;margin-top:8px;border:1px solid var(--border-color)}.og-preview a{display:flex;text-decoration:none;color:inherit}.og-preview-image{width:80px;min-width:80px;height:70px;object-fit:cover}.og-preview-content{padding:8px 10px;flex:1;min-width:0}.og-preview-title{font-weight:600;font-size:.8rem;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.og-preview-description{font-size:.7rem;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.og-preview-domain{font-size:.65rem;color:var(--primary);margin-top:2px}.btn-cancel,.btn-reply{color:var(--text-secondary)}.btn-reply{background:0 0;border:1px solid var(--border-color);padding:5px 10px;border-radius:6px;cursor:pointer;font-size:.75rem}.reply-card,.reply-form{background:var(--bg-input);border-radius:8px}.btn-reply:hover{border-color:var(--primary);color:var(--primary)}.replies-container{margin-top:10px;padding-left:12px;border-left:2px solid var(--border-color)}.reply-card{padding:10px;margin-top:6px}.reply-card .author-avatar{width:24px;height:24px;font-size:.7rem}.reply-card .author-name{font-size:.8rem}.reply-card .message-content{font-size:.85rem;margin-bottom:4px}.reply-form{padding:10px;margin-top:8px;display:none}.notification-toast.show,.reply-form.active{display:block}.reply-form textarea{width:100%;padding:10px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;color:var(--text-primary);min-height:50px;margin-bottom:8px;font-size:16px}.reply-form-actions{display:flex;gap:8px;justify-content:flex-end}.btn-cancel,.btn-submit-reply{padding:6px 12px;border-radius:6px;cursor:pointer;font-size:.8rem}.btn-cancel{background:0 0;border:1px solid var(--border-color)}.btn-submit-reply{background:var(--primary);border:none;color:#fff}.empty-state,.loading{text-align:center;padding:30px 15px;color:var(--text-secondary)}.loading-spinner{width:30px;height:30px;border:3px solid var(--border-color);border-top-color:var(--primary);border-radius:50%;animation:1s linear infinite spin;margin:0 auto 10px}@keyframes spin{to{transform:rotate(360deg)}}.empty-state-icon{font-size:2.5rem;margin-bottom:10px;opacity:.5}.notification-toast{position:fixed;top:15px;left:15px;right:15px;background:var(--bg-card);border:1px solid var(--primary);border-radius:12px;padding:12px 15px;z-index:1000;display:none;max-width:400px;margin:0 auto}@media (min-width:600px){.chat-header,.messages-wrapper{padding:20px}.chat-header h1{font-size:1.6rem}.new-message-form{padding:15px 20px}.form-row-nickname{margin-bottom:10px}.message-card{padding:15px}.author-avatar{width:36px;height:36px;font-size:.9rem}.og-preview-image{width:100px;height:80px}}.btn-back,.btn-share{position:absolute;top:50%;transform:translateY(-50%);color:var(--primary);text-decoration:none;font-size:.85rem;padding:6px 10px;border-radius:6px;background:rgba(233,30,99,.1);border:1px solid transparent}.btn-share{right:15px;background:linear-gradient(135deg,rgba(218,205,24,.1),rgba(255,107,157,.1))}.btn-share:hover{background:linear-gradient(135deg,rgba(218,205,24,.2),rgba(255,107,157,.2));border-color:var(--primary)}.share-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.85);z-index:9999;backdrop-filter:blur(5px)}.share-modal.active{display:flex;align-items:center;justify-content:center;animation:.3s ease-out fadeIn}@keyframes fadeIn{from{opacity:0}to{opacity:1}}.share-content{background:var(--bg-card);padding:30px;border-radius:20px;max-width:400px;width:90%;box-shadow:0 20px 60px rgba(0,0,0,.5);animation:.3s ease-out slideUp;border:1px solid var(--border-color)}@keyframes slideUp{from{transform:translateY(50px);opacity:0}to{transform:translateY(0);opacity:1}}.share-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.share-header h3{font-size:1.5rem;background:linear-gradient(90deg,var(--primary),#ff6b9d);-webkit-background-clip:text;background-clip:text;margin:0}.close-modal{background:0 0;border:none;font-size:1.5rem;color:var(--text-secondary);padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:50%}.close-modal:hover{background:var(--bg-input);color:var(--primary)}.share-buttons{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.share-option{display:flex;align-items:center;justify-content:center;gap:10px;padding:15px;border-radius:12px;border:none;font-size:1rem;font-weight:600;color:#fff}.share-option:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(0,0,0,.3)}.share-option:active{transform:translateY(0)}.share-option.whatsapp{background:linear-gradient(135deg,#25d366,#128c7e)}.share-option.facebook{background:linear-gradient(135deg,#1877f2,#0c63d4)}.share-option.twitter{background:linear-gradient(135deg,#1da1f2,#0d8bd9)}.share-option.telegram{background:linear-gradient(135deg,#08c,#069)}.share-option.copy{background:linear-gradient(135deg,var(--primary),var(--primary-dark));grid-column:1/-1}.share-option i{font-size:1.2rem}.copy-feedback{position:fixed;top:20px;left:50%;transform:translateX(-50%);background:var(--bg-card);border:1px solid var(--primary);color:var(--text-primary);padding:15px 30px;border-radius:50px;font-weight:600;z-index:10000;animation:2s ease-out forwards copyFeedback;box-shadow:0 10px 40px rgba(0,0,0,.5)}@keyframes copyFeedback{0%,100%{opacity:0;transform:translateX(-50%) translateY(-20px)}10%,90%{opacity:1;transform:translateX(-50%) translateY(0)}}@media (max-width:768px){.share-content{padding:25px;margin:0 15px}.share-header h3{font-size:1.3rem}.share-option{padding:12px;font-size:.9rem}}@media (max-width:480px){.btn-back,.btn-share{padding:5px 8px;font-size:.8rem}.share-buttons{grid-template-columns:1fr}.share-option.copy{grid-column:1}}