/* 自定义样式 */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* 进度条动画 */
.progress-bar-animated {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
    animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
    0% { background-position: 1rem 0; }
    100% { background-position: 0 0; }
}

/* 按钮加载状态 */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spinner 0.6s linear infinite;
}

@keyframes spinner {
    to { transform: rotate(360deg); }
}

/* 输入框焦点效果 */
.form-input:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* 成功/错误状态样式 */
.status-success {
    background-color: #10b981;
    color: white;
}

.status-error {
    background-color: #ef4444;
    color: white;
}

.status-processing {
    background-color: #3b82f6;
    color: white;
}

/* 响应式设计 */
@media (max-width: 640px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
}

/* 下载链接悬停效果 */
.download-link {
    transition: all 0.3s ease;
}

.download-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}