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fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}:root{--primary-color: #6c5ce7;--secondary-color: #00b894;--whatsapp-green: #25D366;--whatsapp-green-dark: #1EBE57;--whatsapp-green-light: #dcf8c6;--danger-color: #d63031;--warning-color: #fdcb6e;--dark-bg: #2d3436;--dark-secondary: #34495e;--dark-tertiary: #273142;--light-bg: #ffffff;--light-gray: #f5f6fa;--border-color: #dfe6e9;--text-primary: #2d3436;--text-secondary: #636e72;--text-light: #b2bec3;--shadow: 0 2px 10px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .15)}*{margin:0;padding:0;box-sizing:border-box}html{overflow-x:hidden;width:100%}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:#000;min-height:100vh;margin:0;padding:0;overflow:hidden;overflow-x:hidden;width:100%;max-width:100vw}#root{width:100%;max-width:100vw;min-height:100vh;display:flex;overflow-x:hidden}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;width:100vw;position:fixed;top:0;left:0;background:#000;color:var(--whatsapp-green);text-align:center;padding:20px;z-index:9999}.loading-screen i{font-size:48px;margin-bottom:20px;animation:spin 1s linear infinite}.loading-screen p{font-size:18px;color:var(--text-light);margin-top:10px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:768px){.loading-screen i{font-size:36px}.loading-screen p{font-size:16px}}@media(max-width:480px){.loading-screen i{font-size:32px}.loading-screen p{font-size:14px}}.btn{padding:12px 24px;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s;display:inline-flex;align-items:center;gap:8px}.btn-primary{background:linear-gradient(135deg,var(--whatsapp-green),var(--whatsapp-green-dark));color:#fff;box-shadow:0 4px 15px #25d36640}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #25d36659}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--light-gray);color:var(--text-primary)}.btn-secondary:hover:not(:disabled){background:var(--border-color)}.btn-icon{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:8px;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;transition:all .3s}.btn-icon:hover{background:var(--light-gray);color:var(--primary-color)}.link-button{background:none;border:none;color:var(--primary-color);cursor:pointer;text-decoration:underline;padding:0;font-size:inherit}.link-button:hover{color:var(--whatsapp-green)}.error-message{background:#fee;border:1px solid var(--danger-color);color:var(--danger-color);padding:12px;border-radius:8px;margin-bottom:16px}.success-message{background:#efe;border:1px solid var(--secondary-color);color:var(--secondary-color);padding:12px;border-radius:8px;margin-bottom:16px}