/* styles.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background-color: #1a0d14; /* Dark pinkish-black tone */
    color: #f5e1e9;
    line-height: 1.6;
}

.container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 280px;
    background-color: #2e1723; /* Darker pinkish */
    padding: 1.5rem;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.toggle-btn {
    display: none;
    background: #c71585;
    color: white;
    border: none;
    padding: 0.8rem;
    width: 100%;
    font-size: 1.1rem;
    cursor: pointer;
    margin-bottom: 1rem;
    border-radius: 6px;
}

.toc-nav ul {
    list-style: none;
}

.toc-nav a {
    display: block;
    color: #ffb6c1;
    text-decoration: none;
    padding: 0.8rem 0;
    font-weight: 500;
}

.toc-nav a:hover,
.toc-nav a:focus {
    color: #ff69b4;
}

main {
    flex: 1;
    max-width: 820px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

header {
    text-align: center;
    padding: 3rem 0 2rem;
}

h1 {
    color: #ff69b4; /* Hot pink accent */
    font-size: 2.6rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: #d49bbe;
    font-size: 1.2rem;
}

section {
    margin-bottom: 3rem;
}

h2 {
    color: #ff69b4;
    font-size: 1.9rem;
    margin: 2rem 0 1rem;
    border-bottom: 2px solid #4a1e35;
    padding-bottom: 0.6rem;
}

a {
    color: #ff69b4;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul, ol {
    padding-left: 1.8rem;
    margin: 1rem 0;
}

footer {
    text-align: center;
    padding: 2rem;
    background: #2e1723;
    color: #d49bbe;
    font-size: 0.95rem;
}

footer a {
    color: #ffb6c1;
}

/* Mobile: collapsible sidebar */
@media (max-width: 992px) {
    .sidebar {
        position: fixed;
        left: 0;
        transform: translateX(-100%);
        z-index: 1000;
        width: 280px;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .toggle-btn {
        display: block;
    }
    
    .container {
        flex-direction: column;
    }
    
    main {
        padding-top: 1rem;
    }
}