:root {
    --primary-color: #2563eb;
    --hover-color: #1d4ed8;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --text-color: #1e293b;
    --muted-color: #64748b;
    --border-color: #e2e8f0;
}

:root.dark {
    --primary-color: #3b82f6;
    --hover-color: #2563eb;
    --shadow-color: rgba(255, 255, 255, 0.1);
    --text-color: #f8fafc;
    --muted-color: #94a3b8;
    --border-color: #334155;
    background: #0f172a;
    color: var(--text-color);
}

:root.dark body {
    background: #0f172a !important;
}

:root.dark .app-card {
    background: #1e293b !important;
    border-color: var(--border-color) !important;
}

:root.dark .modal-content {
    background: #1e293b !important;
    color: var(--text-color) !important;
}

:root.dark .list-group-item {
    background: #1e293b !important;
    color: var(--text-color) !important;
    border-color: var(--border-color) !important;
}

:root.dark .search-input {
    background: #1e293b !important;
    border-color: var(--border-color) !important;
    color: var(--text-color) !important;
}

:root.dark .modal-header,
:root.dark .modal-footer {
    border-color: var(--border-color) !important;
}

.source-link {
    color: var(--text-color) !important;
    text-decoration: none !important;
    font-weight: 600;
    padding: 8px 0;
    transition: opacity 0.2s;
}

.source-link:hover {
    opacity: 0.8;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    padding: 15px 25px;
    box-shadow: 0 2px 15px var(--shadow-color);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-logo {
    transition: transform 0.3s ease;
}

.header-logo:hover {
    transform: translateX(3px);
}

.search-group {
    position: relative;
    margin-left: auto;
    width: 200px;
    transition: width 0.3s ease;
}

.search-input {
    width: 100%;
    padding: 8px 35px 8px 15px;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    width: 280px;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 5px;
    color: var(--muted-color);
    cursor: pointer;
}

.search-btn:hover {
    color: var(--primary-color);
}

.main-content {
    margin-top: 100px;
    padding-bottom: 50px;
}

.main-title {
    font-size: 2.5rem;
    color: var(--text-color);
    margin-bottom: 2rem;
    font-weight: 600;
}

.app-card {
    transition: all 0.3s ease;
    border: none;
    border-radius: 12px;
    overflow: hidden;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px var(--shadow-color);
}

.app-icon {
    width: 70px;
    height: 70px;
    border-radius: 15px;
    object-fit: contain;
    border: 2px solid var(--border-color);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.text-muted {
    color: var(--muted-color) !important;
}

.download-btn {
    background: var(--primary-color);
    border: none;
    padding: 8px 20px;
    transition: all 0.3s ease;
}

.download-btn:hover {
    background: var(--hover-color);
    transform: scale(1.05);
}

.modal-content {
    border-radius: 12px;
    border: none;
}

.modal-header {
    border-bottom: none;
    padding: 1.5rem;
}

.modal-title {
    font-weight: 600;
    color: var(--text-color);
}

.modal-body {
    padding: 1rem;
}

.list-group-item {
    border: none;
    border-radius: 8px !important;
    margin-bottom: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
    color: var(--text-color);
}

.list-group-item:hover {
    background: #f8fafc;
    transform: translateX(5px);
}

.badge {
    font-weight: 500;
    padding: 8px 12px;
    background: var(--primary-color) !important;
}

@media (max-width: 768px) {
    .site-header {
        padding: 12px 15px;
    }
    
    .search-group {
        width: 160px;
    }
    
    .search-input:focus {
        width: 220px;
    }
    
    .main-content {
        margin-top: 80px;
    }
    
    .app-icon {
        width: 60px;
        height: 60px;
    }
}

@media (max-width: 576px) {
    .site-header {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .search-group {
        width: 100%;
        order: 2;
    }
    
    .search-input:focus {
        width: 100%;
    }
    
    .main-title {
        font-size: 2rem;
    }
}

.auth-section {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.site-header {
    position: relative;
    padding: 1rem 0;
}

.search-group {
    max-width: 400px;
    margin: 0 auto;
}

#tokenModal .modal-body a {
    word-break: break-all;
}

#loginReminderModal .modal-content {
    border: 2px solid #0969da;
}

#loginReminderModal ul {
    list-style: none;
    padding-left: 1.5rem;
}

#loginReminderModal ul li::before {
    content: "✓";
    color: #0969da;
    margin-right: 0.5rem;
}

#loginReminderModal .modal-footer {
    justify-content: space-between;
}