:root {
    --primary-color: #007bff;
    --secondary-color: #e9f0ff;
    --text-color: #222;
    --background-color: #f5f7fb;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

header {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.logo {
    font-size: 1.7em;
    font-weight: bold;
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.1);
}

nav {
    display: flex;
}

nav button {
    background: var(--secondary-color);
    border: none;
    padding: 10px 20px;
    margin: 5px;
    border-radius: 10px;
    font-size: 1em;
    cursor: pointer;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

nav button:hover {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

main {
    flex: 1;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.tool-section {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.tool-section.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.search-box {
    margin: 15px auto;
    display: flex;
    justify-content: center;
    gap: 8px;
}

.search-box input {
    padding: 10px;
    width: 300px;
    border-radius: 8px;
    border: 2px solid #ccc;
    transition: border-color 0.3s ease;
}

.search-box input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.search-box button {
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.search-box button:hover {
    background: #0056b3;
    transform: scale(1.05);
}

.result-box {
    margin-top: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    min-height: 100px;
}

.results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    border: 1px solid #ddd;
    border-radius: 12px;
    padding: 15px;
    width: 100%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    background: #fff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.card video,
.card img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 10px;
    object-fit: cover;
    aspect-ratio: 16/9;
}

.card audio {
    width: 100%;
    margin-top: 10px;
    border-radius: 5px;
    background: #f1f1f1;
}

.card p {
    margin: 10px 0;
    font-size: 1em;
    color: #333;
    text-align: center;
}

.links {
    margin-top: 10px;
    text-align: center;
}

.links a {
    display: inline-block;
    margin: 0 8px;
    padding: 8px 15px;
    text-decoration: none;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    transition: all 0.3s ease;
    font-size: 0.9em;
}

.links a:hover {
    background-color: var(--primary-color);
    color: #fff;
}

footer {
    text-align: center;
    padding: 20px;
    background: #f0f0f0;
    border-top: none;
    font-size: 0.9em;
    color: #555;
    margin-top: 50px;
}

/* About Section Styles */
.about {
    margin-top: 40px;
    padding: 30px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about h2 {
    font-size: 1.8em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.about p {
    font-size: 1.1em;
    color: #444;
    line-height: 1.6em;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: center;
    }

    .logo {
        margin-bottom: 10px;
    }

    nav {
        flex-direction: column;
    }

    nav button {
        margin: 5px 0;
    }

    .search-box {
        flex-direction: column;
        align-items: stretch;
    }

    .search-box input {
        width: 100%;
        margin-bottom: 10px;
    }

    .results {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }

    .about {
        padding: 20px;
    }

    .about h2 {
        font-size: 1.5em;
    }

    .about p {
        font-size: 1em;
    }
}