@import url("https://fonts.googleapis.com/css2?family=Elsie:wght@400;900&family=Hachi+Maru+Pop&family=Sour+Gummy:ital,wght@0,100..900;1,100..900&display=swap");

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Sour Gummy', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(270deg,rgba(255, 209, 220, 1) 0%, rgba(255, 255, 255, 1) 50%, rgba(173, 216, 230, 1) 100%);
    min-height: 100vh;
}

nav {
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: #667eea;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

nav a:hover {
    color: #764ba2;
    background: rgba(102, 126, 234, 0.1);
}

nav a.active {
    color: #764ba2;
    background: rgba(118, 75, 162, 0.1);
}

.container {
    /* Use a sensible max-width and allow the container to shrink on smaller screens */
    max-width: 1100px;
    width: calc(100% - 4rem);
    padding: 3rem;
    margin: 4rem auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

h1 {
    color: #667eea;
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
    border-bottom: 3px solid #764ba2;
    padding-bottom: 0.5rem;
}

h2 {
    color: #764ba2;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

h3 {
    color: #667eea;
    margin-top: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 1.4rem;
}

p {
    margin-bottom: 1rem;
    text-align: justify;
}

.algorithm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.algorithm-card {
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid #667eea;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.algorithm-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.algorithm-card h3 {
    margin-top: 0;
    color: #764ba2;
}

.usage-list {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
}

.usage-list ul {
    margin-left: 2rem;
    margin-top: 0.5rem;
}

.usage-list li {
    margin-bottom: 0.5rem;
}

code {
    background: #f4f4f4;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    color: #d63384;
}

pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.highlight-box {
    background: linear-gradient(135deg, #667eea10 0%, #764ba210 100%);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 5px solid #667eea;
    margin: 1.5rem 0;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.feature-item {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    border: 2px solid #667eea20;
}

.feature-item strong {
    color: #667eea;
}

.stacked-grid {
    display: flex;
    flex-direction: column;
}

@media (max-width: 768px)
{
    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }

    .container {
        margin: 1rem;
        padding: 1.5rem;
    }

    h1 {
        font-size: 2rem;
    }
}

@media (max-width: 1024px)
{
    nav {
        padding: 0.75rem 1.5rem;
    }

    nav a {
        font-size: 1rem;
        padding: 0.4rem 0.75rem;
    }

    .container {
        width: calc(100% - 3rem);
        padding: 2rem;
        margin: 2.5rem auto;
    }

    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.6rem;
    }
}