/* Root Variables - Colors from image */
:root {
    --primary-dark: #1A1A2E;
    --primary-blue: #16213E;
    --secondary-blue: #0F3460;
    --accent-red: #E94560;
    --light-bg: #F9F9F9;
    
    --text-primary: #1A1A2E;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;
    
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--light-bg);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: var(--transition);
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    background: #fff;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 2rem;
}

.navbar-brand .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-dark);
}

.logo-icon {
    font-size: 2rem;
}

.navbar-menu {
    display: flex;
    align-items: center;
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link:hover {
    color: var(--accent-red);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-red);
    transition: width 0.3s;
}

.nav-link:hover::after {
    width: 100%;
}

/* Search Form */
.navbar-search {
    flex: 1;
    max-width: 500px;
}

.search-form {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    width: 100%;
    padding: 0.75rem 3rem 0.75rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--light-bg);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-red);
    background: #fff;
}

.search-btn {
    position: absolute;
    right: 0.5rem;
    padding: 0.5rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.search-btn:hover {
    color: var(--accent-red);
    background: rgba(233, 69, 96, 0.1);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 70px - 400px);
    padding: 2rem 0;
}

/* Section */
.section {
    padding: 3rem 0;
}

.section-header {
    margin-bottom: 2rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* App Grid */
.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* App Card */
.app-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.app-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.app-card-header {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.app-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius);
    object-fit: cover;
    box-shadow: var(--shadow);
}

.app-card-info {
    flex: 1;
}

.app-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.app-developer {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.app-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.rating-stars {
    color: #FFC107;
    font-size: 1rem;
}

.rating-value {
    font-weight: 600;
    color: var(--primary-dark);
}

.app-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(15, 52, 96, 0.1);
    color: var(--secondary-blue);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 0.5rem;
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
    gap: 0.5rem;
}

.btn-primary {
    background: var(--accent-red);
    color: #fff;
}

.btn-primary:hover {
    background: #d63850;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--secondary-blue);
    color: #fff;
}

.btn-secondary:hover {
    background: var(--primary-blue);
}

.btn-outline {
    border: 2px solid var(--accent-red);
    color: var(--accent-red);
}

.btn-outline:hover {
    background: var(--accent-red);
    color: #fff;
}

/* Alert Messages */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-weight: 500;
}

.alert-success {
    background: #D1FAE5;
    color: #065F46;
}

.alert-error {
    background: #FEE2E2;
    color: #991B1B;
}

.alert-info {
    background: #DBEAFE;
    color: #1E40AF;
}

/* Footer */
.footer {
    background: var(--primary-dark);
    color: #fff;
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
}

.footer-heading {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: var(--accent-red);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .navbar-search {
        max-width: 300px;
    }
    
    .app-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        position: relative;
    }
    
    .navbar-menu {
        display: none;
        width: 100%;
        order: 3;
        background: #fff;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        margin-top: 1rem;
        padding: 0.5rem;
        animation: slideDown 0.3s ease-out;
    }
    
    .navbar-menu.active {
        display: block;
    }
    
    .navbar-nav {
        flex-direction: column;
        gap: 0;
        padding: 0;
    }
    
    .nav-link {
        padding: 1rem;
        display: block;
        border-radius: var(--radius);
        transition: var(--transition);
    }
    
    .nav-link:hover {
        background: rgba(59, 130, 246, 0.1);
        color: var(--primary-blue);
    }
    
    .navbar-search {
        flex: 1;
        max-width: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .app-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .app-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading Animation */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(233, 69, 96, 0.2);
    border-top-color: var(--accent-red);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-center {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

/* SVG Icons */
.icon {
    width: 1.25em;
    height: 1.25em;
    display: inline-block;
    vertical-align: middle;
    margin: 0 0.25em;
}

.icon-star {
    color: #FDB022;
    width: 1em;
    height: 1em;
    margin: 0 0.1em;
}

.icon-phone {
    color: var(--primary-blue);
}

.icon-download {
    color: var(--accent-red);
}

.icon-search {
    color: var(--secondary-blue);
}

.icon-trophy {
    color: #FDB022;
}

.icon-chart {
    color: var(--primary-blue);
}

.icon-check {
    color: #10B981;
}

.icon-settings {
    color: var(--text-secondary);
}

.logo-icon .icon {
    width: 2em;
    height: 2em;
}

.stat-icon .icon {
    width: 2.5em;
    height: 2.5em;
}

.no-results-icon .icon {
    width: 4em;
    height: 4em;
    opacity: 0.5;
}

/* AdSense Containers */
.ad-container {
    margin: 2rem auto;
    padding: 1rem 0;
    text-align: center;
    max-width: 100%;
    overflow: hidden;
}

.ad-header {
    margin: 2rem auto 1rem;
    background: var(--light-bg);
    border-radius: var(--radius);
    padding: 1rem;
}

.ad-content {
    margin: 3rem auto;
    background: #fff;
    border-radius: var(--radius);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
}

.ad-sidebar {
    margin: 1rem 0;
    position: sticky;
    top: 20px;
}

.ad-footer {
    margin: 2rem auto 1rem;
}

/* Content Pages (Privacy, Terms) */
.content-page {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.content-page h1 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

.content-page h2 {
    color: var(--primary-blue);
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.75rem;
}

.content-page h3 {
    color: var(--secondary-blue);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.content-page p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.content-page ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.content-page li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.content-page a {
    color: var(--accent-red);
    text-decoration: none;
}

.content-page a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .content-page {
        padding: 1.5rem;
    }
    
    .content-page h1 {
        font-size: 2rem;
    }
    
    .content-page h2 {
        font-size: 1.5rem;
    }
}