.glass-button {position: absolute;z-index: 100;top: 10px;left: 10px;height: 25px;width: 100px;display: flex;align-items: center;justify-content: center;background: rgba(255, 255, 255, 0.1);backdrop-filter: blur(15px);-webkit-backdrop-filter: blur(15px);border: 2px solid rgba(204, 204, 204, 0.3);border-radius: 12px;color: #cccccc;text-decoration: none;font-size: 14px;font-weight: 500;letter-spacing: 0.3px;text-align: center;overflow: hidden;transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.05);}.glass-button::before {content: '';position: absolute;top: 0;left: -100%;width: 100%;height: 100%;background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent );transition: left 0.5s ease;}.glass-button::after {content: '';position: absolute;top: 50%;left: 50%;width: 0;height: 0;background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);border-radius: 50%;transform: translate(-50%, -50%);transition: width 0.4s ease, height 0.4s ease;}.glass-button:hover {transform: translateY(-1px);background: rgba(255, 255, 255, 0.15);border-color: rgba(204, 204, 204, 0.5);color: #ffffff;box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1);}.glass-button:hover::before {left: 100%;}.glass-button:hover::after {width: 120px;height: 120px;}.glass-button {animation: subtlePulse 4s ease-in-out infinite;}@keyframes subtlePulse {0%, 100% {box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.05);}50% {box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.05), 0 0 0 8px rgba(204, 204, 204, 0.1);}}.glass-button:active {transform: translateY(0);background: rgba(255, 255, 255, 0.08);}.sparkle {position: absolute;width: 2px;height: 2px;background: rgba(255, 255, 255, 0.8);border-radius: 50%;animation: sparkle 3s ease-in-out infinite;pointer-events: none;}.sparkle:nth-child(1) {top: 6px;left: 15px;animation-delay: 0s;}.sparkle:nth-child(2) {top: 15px;right: 20px;animation-delay: 1s;}.sparkle:nth-child(3) {bottom: 8px;left: 70px;animation-delay: 2s;}@keyframes sparkle {0%, 100% {opacity: 0;transform: scale(0);}50% {opacity: 1;transform: scale(1);}}.glass-button .shimmer {position: absolute;top: 0;left: 0;width: 100%;height: 100%;background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);animation: shimmer 3s ease-in-out infinite;pointer-events: none;}@keyframes shimmer {0% {transform: translateX(-100%) skewX(-20deg);}100% {transform: translateX(200%) skewX(-20deg);}}