/* 玻璃按钮样式 - Glass Button Styles */

.buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 40px;
    pointer-events: auto;
}

.glass-button, 
.glass-button:link, 
.glass-button:visited, 
.glass-button:hover, 
.glass-button:active {
    position: relative;
    padding: 16px 40px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: #fff;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 1.5px solid transparent;
    border-radius: 40px;
    backdrop-filter: blur(30px);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2),
        inset 0 -1px 0 rgba(255, 255, 255, 0.05);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    text-decoration: none;
    display: inline-block;
}

.glass-button::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 40px;
    padding: 1.5px;
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.4) 0%,
        rgba(138, 43, 226, 0.4) 25%,
        rgba(0, 191, 255, 0.4) 50%,
        rgba(255, 105, 180, 0.4) 75%,
        rgba(255, 255, 255, 0.4) 100%);
    background-size: 200% 200%;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    animation: borderFlow 3s linear infinite;
    opacity: 0.6;
    transition: opacity 0.5s ease;
}

@keyframes borderFlow {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

.glass-button::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 40px;
    background: radial-gradient(circle at var(--x, 50%) var(--y, 50%),
        rgba(255, 255, 255, 0.2) 0%,
        transparent 50%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.glass-button:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
    box-shadow:
        0 12px 48px rgba(138, 43, 226, 0.3),
        0 0 80px rgba(0, 191, 255, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1);
    transform: translateY(-3px) scale(1.02);
}

.glass-button:hover::before {
    opacity: 1;
    animation-duration: 2s;
}

.glass-button:hover::after {
    opacity: 1;
}

.glass-button:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow:
        0 6px 24px rgba(138, 43, 226, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.glass-button .shimmer {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.1) 45%,
        rgba(255, 255, 255, 0.3) 50%,
        rgba(255, 255, 255, 0.1) 55%,
        transparent 100%
    );
    transform: rotate(30deg);
    animation: shimmer 3s infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(30deg); }
    100% { transform: translateX(100%) rotate(30deg); }
}

.glass-button:hover .shimmer {
    animation-duration: 1.5s;
}

.glass-button span {
    position: relative;
    z-index: 1;
}