/* =================================================================
   eSimAce - Shared Stylesheet
   ================================================================= */

/* 字体设置 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

body { 
    font-feature-settings: "cv11", "ss01"; 
}

/* =================================================================
   滚动与工具类
   ================================================================= */

html { 
    scroll-behavior: smooth; 
}

.no-scrollbar::-webkit-scrollbar { 
    display: none; 
}

.no-scrollbar { 
    -ms-overflow-style: none; 
    scrollbar-width: none; 
}

/* =================================================================
   动画类
   ================================================================= */

/* 淡入动画 */
.fade-in { 
    animation: fadeIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards; 
}

.animate-fade-in {
    animation: fadeIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeIn { 
    from { 
        opacity: 0; 
        transform: translateY(20px); 
    } 
    to { 
        opacity: 1; 
        transform: translateY(0); 
    } 
}

/* 骨架屏脉冲动画 - 更流畅 */
@keyframes skeleton-pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

/* 骨架屏波浪动画 - 备选 */
@keyframes skeleton-wave {
    0% {
        transform: translateX(-100%);
    }
    50%, 100% {
        transform: translateX(100%);
    }
}

.skeleton-wave {
    position: relative;
    overflow: hidden;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: skeleton-wave 2s infinite;
}

/* 骨架屏渐变动画 - 更专业 */
@keyframes skeleton-shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.animate-shimmer {
    background: linear-gradient(
        90deg,
        #f0f0f0 0px,
        #f8f8f8 40px,
        #f0f0f0 80px
    );
    background-size: 1000px 100%;
    animation: skeleton-shimmer 2s infinite linear;
}

/* 平滑弹跳动画 */
.animate-bounce {
    animation: smoothBounce 2s ease-in-out infinite;
}

@keyframes smoothBounce {
    0%, 100% { 
        transform: translateY(0) translateX(-50%); 
    }
    50% { 
        transform: translateY(-5px) translateX(-50%); 
    }
}

/* Toast通知动画 */
.toast-notification {
    transform: translateX(-150%);
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

/* =================================================================
   视觉增强
   ================================================================= */

/* 渐变文字 */
.text-gradient {
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-image: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
}

/* 毛玻璃卡片 */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* =================================================================
   视图管理
   ================================================================= */

section { 
    display: block; 
    opacity: 1; 
}

section.active { 
    display: block; 
    animation: fadeIn 0.4s ease-out forwards; 
    opacity: 1; 
}

/* =================================================================
   下拉菜单
   ================================================================= */

.dropdown-content {
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s, transform 0.2s;
}

.group:hover .dropdown-content,
.dropdown-content:hover {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* 填充按钮和下拉菜单之间的间隙，防止hover丢失 */
.group:hover::after {
    content: '';
    position: absolute;
    top: 100%;
    right: 0;
    width: 100%;
    height: 0.5rem;
    display: block;
}

/* =================================================================
   装饰性背景
   ================================================================= */

.bg-dots {
    background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
    background-size: 20px 20px;
}

/* =================================================================
   高级区域样式
   ================================================================= */

.section-premium {
    background: radial-gradient(120% 120% at 10% 20%, rgba(59,130,246,0.08), transparent 45%),
                radial-gradient(80% 80% at 85% 10%, rgba(45,212,191,0.1), transparent 40%),
                linear-gradient(180deg, #f7fbff 0%, #eef2ff 40%, #f8fafc 100%);
}

.section-premium::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(120deg, rgba(59,130,246,0.08), transparent 30%, rgba(14,165,233,0.06) 60%, transparent 90%);
    mix-blend-mode: screen;
}

.section-premium-layer {
    position: absolute;
    inset: 0;
    background: radial-gradient(60% 60% at 60% 20%, rgba(255,255,255,0.65), transparent 60%);
    pointer-events: none;
    mix-blend-mode: lighten;
}

.section-premium-mist {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(90% 70% at 15% 25%, rgba(59,130,246,0.1), transparent 55%),
        radial-gradient(85% 80% at 85% 20%, rgba(45,212,191,0.08), transparent 55%),
        linear-gradient(180deg, rgba(255,255,255,0.5) 0%, rgba(255,255,255,0) 60%);
    pointer-events: none;
    mix-blend-mode: screen;
}

/* =================================================================
   移动端布局优化
   ================================================================= */

@media (max-width: 768px) {
    /* 网格列数调整 */
    .grid-cols-4,
    .grid-cols-5,
    .grid-cols-6 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .grid-cols-3,
    .grid-cols-2 {
        grid-template-columns: repeat(1, minmax(0, 1fr));
    }
    
    .grid-cols-8 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    /* 统一页边距，避免左右贴边 */
    section {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    /* 特定视图需要全屏宽度，不应用 padding */
    #view-home,
    #view-packages,
    #view-checkout,
    #view-contact,
    #view-help,
    #view-privacy,
    #view-terms {
        padding-left: 0;
        padding-right: 0;
    }
    
    /* Footer logos 在小屏幕下移除间距 */
    footer .space-x-4 > * {
        margin-top: 0 !important;
    }

    /* 主容器和卡片在小屏占满宽度 */
    .max-w-6xl,
    .max-w-7xl,
    .max-w-5xl {
        max-width: 100%;
    }
    
    .shadow-card,
    .shadow-soft,
    .shadow-xl,
    .shadow-2xl {
        border-radius: 20px;
    }

    /* Hero / 顶部横向内容在小屏下竖排 */
    .flex.flex-row.hero-layout,
    .hero-layout {
        flex-direction: column;
        gap: 1.5rem;
    }

    /* 表单与按钮留出垂直间距 */
    .space-x-4 > :not([hidden]) ~ :not([hidden]) {
        margin-left: 0;
        margin-top: 0.75rem;
    }
}