/* WhatsMyNameApp - Custom Styles */

/* Blob Animation for Hero Section */
@keyframes blob {
    0% {
        transform: translate(0px, 0px) scale(1);
    }
    33% {
        transform: translate(30px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    100% {
        transform: translate(0px, 0px) scale(1);
    }
}

.animate-blob {
    animation: blob 7s infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}

/* Custom Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateY(0);
    }
    40%, 43% {
        transform: translateY(-30px);
    }
    70% {
        transform: translateY(-15px);
    }
    90% {
        transform: translateY(-4px);
    }
}

/* Utility Classes */
.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-pulse-custom {
    animation: pulse 2s infinite;
}

.animate-bounce-custom {
    animation: bounce 2s infinite;
}

/* Style Selection Cards */
.style-option input[type="radio"]:checked + .style-card {
    border-color: #6366F1;
    background-color: #EEF2FF;
    transform: scale(1.05);
}

.style-card {
    transition: all 0.2s ease-in-out;
}

.style-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Platform Selection Cards */
.platform-option input[type="radio"]:checked + .platform-card {
    border-color: #6366F1;
    background-color: #EEF2FF;
    transform: scale(1.05);
}

.platform-card {
    transition: all 0.2s ease-in-out;
}

.platform-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Username Result Cards */
.username-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 16px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.username-card::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;
}

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

.username-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.username-card.copied {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    animation: pulse 0.6s ease-in-out;
}

/* FAQ Accordion */
.faq-question:hover {
    color: #6366F1;
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer.show {
    max-height: 200px;
}

/* Loading States */
.loading-dots {
    display: inline-block;
}

.loading-dots::after {
    content: '';
    animation: dots 1.5s steps(5, end) infinite;
}

@keyframes dots {
    0%, 20% {
        color: rgba(0, 0, 0, 0);
        text-shadow: 0.25em 0 0 rgba(0, 0, 0, 0),
                     0.5em 0 0 rgba(0, 0, 0, 0);
    }
    40% {
        color: black;
        text-shadow: 0.25em 0 0 rgba(0, 0, 0, 0),
                     0.5em 0 0 rgba(0, 0, 0, 0);
    }
    60% {
        text-shadow: 0.25em 0 0 black,
                     0.5em 0 0 rgba(0, 0, 0, 0);
    }
    80%, 100% {
        text-shadow: 0.25em 0 0 black,
                     0.5em 0 0 black;
    }
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}

/* Responsive Design Enhancements */
@media (max-width: 768px) {
    .username-card {
        padding: 12px;
        font-size: 14px;
    }
    
    .style-card {
        padding: 8px;
    }
    
    .style-card span {
        font-size: 12px;
    }
}

/* Copy Notification */
.copy-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1000;
}

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

/* Platform Icons */
.platform-icon {
    width: 20px;
    height: 20px;
    margin-right: 8px;
}

/* Error States */
.error-message {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: white;
    padding: 12px;
    border-radius: 8px;
    margin-top: 16px;
    animation: fadeInUp 0.3s ease-out;
}

/* Success States */
.success-message {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
    padding: 12px;
    border-radius: 8px;
    margin-top: 16px;
    animation: fadeInUp 0.3s ease-out;
}

/* Focus States */
input:focus, select:focus, button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Hover Effects for Links */
a {
    transition: all 0.2s ease;
}

/* Custom Button Styles */
.btn-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-gradient:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Loading Spinner */
.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #6366F1;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Creative Examples Section - Floating Scroll Effect */
.creative-examples-section {
    position: relative;
    padding: 80px 0;
}

.examples-container {
    display: flex;
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
}

.examples-sidebar {
    position: fixed !important;
    left: 0 !important;
    top: 80px !important;
    width: 220px;
    height: calc(100vh - 80px) !important;
    background: white;
    border-right: 2px solid #e5e7eb;
    padding: 16px 12px;
    z-index: 10 !important;
    overflow-y: auto !important;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: #888 #f1f1f1;
    transform: translateX(-100%) !important;
    margin: 0 !important;
    transition: transform 0.3s ease;
}

/* 当在Main Content区域时显示侧边栏 */
.examples-sidebar.visible {
    transform: translateX(0) !important;
}

/* 兼容旧的hidden类 */
.examples-sidebar.hidden {
    transform: translateX(-100%) !important;
}

.examples-sidebar::-webkit-scrollbar {
    width: 6px;
}

.examples-sidebar::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.examples-sidebar::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

.examples-sidebar::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.sidebar-nav {
    position: relative;
}

.sidebar-nav h3 {
    font-size: 14px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e5e7eb;
    display: flex;
    align-items: center;
}

.sidebar-nav h3 i {
    color: #667eea;
    margin-right: 6px;
    font-size: 13px;
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    margin-bottom: 2px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    padding: 8px 10px;
    color: #6B7280;
    text-decoration: none;
    border-radius: 8px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    font-size: 13px;
    font-weight: 500;
}

.sidebar-link i {
    width: 16px;
    margin-right: 8px;
    color: #9CA3AF;
    transition: color 0.2s ease;
    font-size: 12px;
}

.sidebar-link:hover {
    background: #F9FAFB;
    color: #667eea;
    border-color: #e5e7eb;
    transform: translateX(3px);
}

.sidebar-link:hover i {
    color: #667eea;
}

.sidebar-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
    border-color: #667eea;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.sidebar-link.active i {
    color: white;
}

.examples-content {
    flex: 1;
    min-width: 0;
    margin-left: 240px;
    position: relative;
    z-index: 20;
    background: white;
}

/* 分类区域 */
.category-section {
    margin-bottom: 60px;
}

/* 分类大标题 */
.category-heading {
    font-size: 32px;
    font-weight: 700;
    color: #5D62C2;
    text-align: center;
    margin: 40px 0 30px 0;
    padding: 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 12px;
    border-left: 5px solid #5D62C2;
}

.example-category {
    background: white;
    border-radius: 16px;
    padding: 40px;
    margin-bottom: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    scroll-margin-top: 100px;
}

.example-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--category-color, #667eea) 0%, var(--category-footer, #764ba2) 100%);
}

.example-category:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

/* Idea Wrapper */
.idea-wrapper {
    margin-bottom: 60px;
}

.idea-main-title {
    font-size: 24px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 8px;
}

.idea-main-subtitle {
    font-size: 16px;
    color: #6B7280;
    margin-bottom: 24px;
    line-height: 1.6;
}

/* Idea Blocks Container - Vertical Layout (Fixed on top, Generated below) */
.idea-blocks-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Fixed Data Section (Top, with border and background) */
.idea-block.fixed-data {
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    padding: 30px;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.idea-block.fixed-data .usernames-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px 24px;
}

.idea-block.fixed-data .username-item {
    background: white;
    border: 1px solid #e5e7eb;
    padding: 12px 16px;
    font-size: 16px;
    color: #1F2937;
    font-weight: 500;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    cursor: pointer;
    transition: all 0.2s ease;
}

.idea-block.fixed-data .username-item:hover {
    color: #667eea;
    background: #f9fafb;
    border-color: #667eea;
    transform: translateX(4px);
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.15);
}

/* Generated Data Section (Instagram-style card) */
.idea-block.generated-data {
    background: var(--card-color, #61d4d5);
    color: white;
    padding: 30px;
    border-radius: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

/* Card Header */
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.card-icon-left,
.card-icon-right {
    font-size: 48px;
    color: rgba(255, 255, 255, 0.3) !important;
    transform: rotate(-15deg);
}

.card-icon-right {
    transform: rotate(15deg);
}

.card-title-wrapper {
    flex: 1;
    text-align: center;
}

.card-title {
    font-size: 28px;
    font-weight: 700;
    color: white !important;
    margin: 0 0 8px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.card-subtitle {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.95) !important;
    margin: 0;
    font-weight: 300;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

/* Generate Button in Card */
.idea-block.generated-data .generate-more-btn {
    width: auto;
    padding: 12px 32px;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.4);
    color: white !important;
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    margin: 0 auto 24px;
    display: block;
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.idea-block.generated-data .generate-more-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Usernames Grid in Card */
.idea-block.generated-data .usernames-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.idea-block.generated-data .username-item {
    background: rgba(255, 255, 255, 0.95);
    color: #1F2937 !important;
    border: none;
    padding: 14px 20px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.idea-block.generated-data .username-item:hover {
    background: white;
    color: #111827 !important;
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* Card Footer */
.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icons i {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all 0.3s ease;
}

.social-icons i:hover {
    color: white;
    transform: scale(1.2);
}

.category-header {
    margin-bottom: 30px;
}

.category-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #1F2937;
}

.category-description {
    color: #6B7280;
    line-height: 1.6;
    margin-bottom: 12px;
}

.category-ideas {
    display: grid;
    gap: 30px;
}

.idea-block {
    background: #F9FAFB;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid #E5E7EB;
}

.idea-title {
    font-size: 20px;
    font-weight: 700;
    color: #1F2937;
    margin-bottom: 8px;
}

.idea-subtitle {
    font-size: 14px;
    color: #6B7280;
    margin-bottom: 16px;
}

.usernames-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.username-item {
    background: white;
    padding: 12px 16px;
    border-radius: 8px;
    border: 2px solid #E5E7EB;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    font-weight: 500;
    color: #374151;
    position: relative;
}

.username-item::before {
    content: '@';
    color: #9CA3AF;
    margin-right: 2px;
}

.username-item:hover {
    border-color: #6366F1;
    background: #EEF2FF;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.username-item.copied {
    border-color: #10B981;
    background: #D1FAE5;
    animation: pulse 0.4s ease-in-out;
}

.generate-more-btn {
    margin-top: 24px;
    width: 100%;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--category-color, #667eea) 0%, var(--category-footer, #764ba2) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.generate-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .examples-container {
        flex-direction: column;
    }
    
    /* 平板端隐藏侧边栏 */
    .examples-sidebar {
        display: none;
    }
    
    .examples-content {
        margin-left: 0;
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .sidebar-nav {
        display: flex;
        overflow-x: auto;
        padding: 16px;
    }
    
    .sidebar-nav h3 {
        display: none;
    }
    
    .sidebar-nav ul {
        display: flex;
        gap: 8px;
        white-space: nowrap;
    }
    
    .sidebar-nav li {
        margin-bottom: 0;
    }
    
    .example-category {
        padding: 24px;
    }
    
    /* Stack blocks vertically on mobile */
    .idea-blocks-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .idea-block.generated-data .usernames-grid {
        grid-template-columns: 1fr;
    }
    
    .idea-block.fixed-data .usernames-grid {
        grid-template-columns: 1fr;
    }
    
    .card-header {
        flex-direction: column;
        gap: 12px;
    }
    
    .card-icon-left,
    .card-icon-right {
        font-size: 36px;
    }
    
    .card-title {
        font-size: 22px;
    }
    
    .card-footer {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 640px) {
    /* 移动端完全隐藏侧边栏 */
    .examples-sidebar {
        display: none !important;
    }
    
    .examples-content {
        padding-left: 12px;
        padding-right: 12px;
    }
    
    .category-header h2 {
        font-size: 20px;
    }
    
    .category-heading {
        font-size: 18px;
        padding: 12px 16px;
    }
    
    .idea-main-title {
        font-size: 16px;
        padding: 10px 0;
    }
    
    .example-category {
        padding: 16px;
    }
    
    .usernames-grid {
        grid-template-columns: 1fr !important;
        gap: 8px;
    }
    
    .username-item {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .card-title {
        font-size: 18px;
    }
    
    .card-subtitle {
        font-size: 12px;
    }
    
    .idea-title {
        font-size: 18px;
    }
    
    .usernames-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    
    .username-item {
        padding: 10px 12px;
        font-size: 14px;
    }
}

/* Platform Dropdown Menu */
.platform-dropdown {
    position: relative;
}

.platform-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.platform-dropdown-toggle:hover {
    background: #F3F4F6;
}

.platform-dropdown-toggle i {
    font-size: 10px;
    transition: transform 0.3s ease;
}

.platform-dropdown:hover .platform-dropdown-toggle i {
    transform: rotate(180deg);
}

.platform-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    padding: 12px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    border: 1px solid #E5E7EB;
}

.platform-dropdown:hover .platform-dropdown-menu,
.platform-dropdown-menu:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.platform-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: #374151;
    text-decoration: none;
    transition: all 0.2s ease;
    font-weight: 500;
}

.platform-dropdown-menu a:hover {
    background: linear-gradient(135deg, #F3F4F6 0%, #E5E7EB 100%);
    color: #6366F1;
    padding-left: 24px;
}

.platform-dropdown-menu a i {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: transform 0.2s ease;
}

.platform-dropdown-menu a:hover i {
    transform: scale(1.2);
}



.nav-glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: 0 18px 35px rgba(15, 23, 42, 0.06);
}

.nav-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.9rem;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.875rem;
    color: #4b5563;
    transition: all .2s ease;
}

.nav-pill:hover {
    color: #111827;
    background: rgba(99, 102, 241, 0.12);
}

.nav-pill.no-hover-bg:hover {
    /* background: transparent; */
        background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.nav-pill-active {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #ffffff !important;
    box-shadow: 0 15px 25px rgba(99, 102, 241, 0.3);
}

.nav-pill-active:hover {
    color: #ffffff !important;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.platform-dropdown-menu {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.4rem;
    padding: 1rem;
    background: #fff;
    border-radius: 1.25rem;
    border: 1px solid rgba(229, 231, 235, 0.9);
    box-shadow: 0 25px 45px rgba(15, 23, 42, 0.12);
    min-width: 360px;
}

.platform-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.65rem 0.85rem;
    border-radius: 0.9rem;
    font-weight: 600;
    color: #4b5563;
    transition: all .2s ease;
}

.platform-dropdown-menu a:hover {
    background: rgba(99, 102, 241, 0.1);
    color: #111827;
}

.platform-dropdown-menu a.active {
    background: rgba(99, 102, 241, 0.2);
    color: #1e293b;
    font-weight: 700;
    box-shadow: inset 0 0 0 1.5px rgba(99, 102, 241, 0.35);
}

.mobile-platform-link.active {
    color: #4f46e5;
    font-weight: 700;
}

/* Tab Buttons */
.tab-button {
    background: #f3f4f6;
    color: #6b7280;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-button:hover {
    background: #e5e7eb;
    color: #374151;
}

.tab-button.active {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    border-color: #6366f1;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}