:root {
    --primary-color: #6250aa;
    --secondary-color: #3726f3;
    --accent-color: #03dac6;
    --text-primary: #121212;
    --text-secondary: #757575;
    --bg-primary: #f5f5f5;
    --bg-secondary: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --primary-color: #bb86fc;
    --secondary-color: #3750f3;
    --accent-color: #03dac6;
    --text-primary: #e1e1e1;
    --text-secondary: #a0a0a0;
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background-color: var(--bg-secondary);
    box-shadow: var(--shadow);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo img {
    height: 40px;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--primary-color);
    transform: rotate(15deg);
}

main {
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.hero {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    left: -100px;
    width: 200px;
    height: 200px;
    background-color: var(--accent-color);
    opacity: 0.1;
    border-radius: 50%;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -100px;
    width: 200px;
    height: 200px;
    background-color: var(--primary-color);
    opacity: 0.1;
    border-radius: 50%;
    z-index: 0;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    position: relative;
    z-index: 1;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.section-title {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.app-card {
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.app-image {
    height: 160px;
    background-color: var(--secondary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.app-image i {
    font-size: 4rem;
    color: white;
}

.app-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.app-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.app-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    flex: 1;
}

.app-link {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    text-align: center;
}

.app-link:hover {
    background-color: var(--secondary-color);
}

.app-link.coming-soon {
    background-color: var(--text-secondary);
    cursor: not-allowed;
}

.app-link.coming-soon:hover {
    background-color: var(--text-secondary);
}

.add-app-card {
    border: 2px dashed var(--text-secondary);
    background-color: transparent;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 1rem;
    cursor: pointer;
    min-height: 300px;
}

.add-app-card i {
    font-size: 3rem;
    color: var(--text-secondary);
}

.add-app-card p {
    color: var(--text-secondary);
    font-weight: 500;
}

.add-app-card:hover {
    border-color: var(--primary-color);
}

.add-app-card:hover i,
.add-app-card:hover p {
    color: var(--primary-color);
}

footer {
    background-color: var(--bg-secondary);
    padding: 2rem;
    text-align: center;
    margin-top: auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 1.5rem;
    transition: var(--transition);
}

.social-links a:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

.copyright {
    margin-top: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    header {
        padding: 1rem;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    main {
        padding: 1rem;
    }

    .hero {
        padding: 2rem 1rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .apps-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Animation for theme toggle */
@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.spin {
    animation: spin 0.5s ease-in-out;
}