/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 2rem 0;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 100;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    color: #4a5568;
    margin-bottom: 0.5rem;
}

.logo i {
    color: #48bb78;
    margin-right: 0.5rem;
}

.subtitle {
    font-size: 1.1rem;
    color: #718096;
    font-weight: 300;
}

/* Main Content */
.main {
    padding: 3rem 0;
}

/* Search Section */
.search-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.search-container {
    position: relative;
    margin-bottom: 1.5rem;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #a0aec0;
    font-size: 1.1rem;
}

.search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fff;
}

.search-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 2px solid #e2e8f0;
    background: #fff;
    color: #4a5568;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* Apps Section */
.apps-section {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    font-size: 1.8rem;
    color: #2d3748;
    font-weight: 600;
}

.app-count {
    background: #667eea;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Apps Grid */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.app-card {
    background: #fff;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 1px solid #f7fafc;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.app-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
}

.app-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.app-description {
    color: #718096;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.app-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.app-version,
.app-size {
    font-size: 0.8rem;
    color: #a0aec0;
    background: #f7fafc;
    padding: 0.25rem 0.5rem;
    border-radius: 8px;
}

.app-category {
    background: #e6fffa;
    color: #319795;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.download-btn {
    width: 100%;
    background: linear-gradient(135deg, #48bb78, #38a169);
    color: white;
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.download-btn:hover {
    background: linear-gradient(135deg, #38a169, #2f855a);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(72, 187, 120, 0.3);
}

/* Loading and No Results */
.loading,
.no-results {
    text-align: center;
    padding: 3rem;
    color: #718096;
}

.loading i,
.no-results i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.loading p,
.no-results p {
    font-size: 1.1rem;
}

/* Modal Styles */
.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: #fff;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

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

.close {
    color: #a0aec0;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 1rem;
    transition: color 0.3s ease;
}

.close:hover {
    color: #4a5568;
}

.modal-app-info {
    text-align: center;
    margin-bottom: 2rem;
}

.modal-app-icon {
    width: 100px;
    height: 100px;
    border-radius: 20px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
}

.modal-app-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.modal-app-description {
    color: #718096;
    line-height: 1.6;
}

/* Footer */
.footer {
    background: rgba(45, 55, 72, 0.95);
    backdrop-filter: blur(10px);
    color: #e2e8f0;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

.disclaimer {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #fbb6ce;
}

.disclaimer i {
    margin-right: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 2rem;
    }
    
    .apps-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .filter-buttons {
        justify-content: flex-start;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .search-section,
    .apps-section {
        padding: 1.5rem;
    }
    
    .filter-btn {
        padding: 0.4rem 1rem;
        font-size: 0.9rem;
    }
    
    .app-card {
        padding: 1rem;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease;
}

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