/* Melons - AI音乐生成器样式 */

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 彩虹文字效果 */
.rainbow-text {
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4, #feca57, #ff9ff3, #54a0ff);
    background-size: 400% 400%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rainbowShift 3s ease infinite;
}

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

/* 渐变背景动画 */
@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
    transition: all 0.3s ease;
}

.gradient-bg:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

/* 深色渐变背景 */
.dark-gradient {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    position: relative;
    overflow: hidden;
}

/* 文字渐变效果 */
.text-gradient {
    background: linear-gradient(45deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

/* 卡片悬停效果 */
.card-hover {
    transition: all 0.3s ease;
    cursor: pointer;
}

.card-hover:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* 按钮悬停效果 */
.btn-hover {
    transition: all 0.3s ease;
}

.btn-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* 输入框焦点效果 */
.input-focus:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

/* 图标动画 */
.icon-bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* 音乐播放器样式 */
.waveform-wrapper {
    transition: all 0.3s ease;
}

.waveform-wrapper:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.player-main-controls button {
    transition: all 0.3s ease;
}

.player-main-controls button:hover {
    transform: scale(1.1);
}

/* 卡片样式增强 */
.card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s;
}

.card:hover::before {
    left: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

/* 导航栏增强 */
nav {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* 响应式设计增强 */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.5rem !important;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .waveform-wrapper {
        padding: 1rem;
    }
}

/* 加载动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 滚动指示器 */
.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

/* 社交媒体图标悬停效果 */
.social-icons a {
    transition: all 0.3s ease;
}

.social-icons a:hover {
    transform: scale(1.1) rotate(5deg);
}

/* 按钮增强 */
.app-button {
    position: relative;
    overflow: hidden;
}

.app-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.app-button:hover::before {
    left: 100%;
}

/* 渐变背景增强 */
.create-with-mubert__image div {
    position: relative;
    overflow: hidden;
}

.create-with-mubert__image div::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.create-with-mubert__image div:hover::before {
    transform: translateX(100%);
}

/* 加载动画 */
.loading {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 社交媒体图标悬停效果 */
.social-icon {
    transition: all 0.3s ease;
}

.social-icon:hover {
    transform: scale(1.1);
    color: #667eea;
}

/* 表单验证样式 */
.form-input:invalid {
    border-color: #e53e3e;
}

.form-input:valid {
    border-color: #38a169;
}

/* 页面加载动画 */
.page-transition {
    animation: pageLoad 0.8s ease-out;
}

@keyframes pageLoad {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: #1f2937;
    margin: 15% auto;
    padding: 20px;
    border-radius: 10px;
    width: 80%;
    max-width: 500px;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover {
    color: #fff;
}

/* 通知样式 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: #10b981;
}

.notification.error {
    background: #ef4444;
}

.notification.info {
    background: #3b82f6;
}

/* 加载器 */
.loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1f2937;
}

::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}