/* basic style for demonstration */
:root {
    --bg-color: #fefefe;
    --text-color: #222;
    --header-bg: #2c3e50;
    --header-text: #fefefe;
    --link-color: #2c3e50;
    --border-color: #ddd;
    --card-bg: #f9f9f9;
    --card-hover: #f0f0f0;
    --code-bg: #f0f0f0;
    --muted-color: #666;
    --input-bg: #fff;
    --input-border: #ddd;
    --footer-border: #1a252f;
    --footer-muted: #bdc3c7;
    --essay-nav-border: #eee;
    --preview-fade: white;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --header-bg: #0d1117;
    --header-text: #e0e0e0;
    --link-color: #8ab4f8;
    --border-color: #30363d;
    --card-bg: #21262d;
    --card-hover: #30363d;
    --code-bg: #30363d;
    --muted-color: #8b949e;
    --input-bg: #0d1117;
    --input-border: #30363d;
    --footer-border: #30363d;
    --footer-muted: #8b949e;
    --essay-nav-border: #30363d;
    --preview-fade: #1a1a1a;
}

body {
    font-family: 'Georgia', serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}
header, footer {
    background: var(--header-bg);
    color: var(--header-text);
    padding: 0;
    transition: background-color 0.3s, color 0.3s;
}
header {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header a, footer a {
    color: var(--header-text);
    text-decoration: none;
}
header h1 {
    margin: 0;
    font-size: 1.5rem;
}
.main-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}
.main-nav a {
    font-size: 0.95rem;
    transition: opacity 0.2s;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s;
}
.main-nav a:hover {
    border-color: var(--header-text);
}

/* Always hide the checkbox toggle input */
.nav-toggle {
    display: none !important;
}

main {
    padding: 2rem 1rem;
    max-width: 800px;
    margin: auto;
}
article h1, article h2, article h3 {
    color: var(--link-color);
}

/* Essays index styling */
.essays-index .tagline {
    font-size: 1.1rem;
    color: var(--muted-color);
    margin-bottom: 2rem;
}

.essays-list {
    list-style: none;
    padding: 0;
}

.essay-item {
    border-left: 4px solid var(--header-bg);
    padding: 1rem;
    margin-bottom: 1.5rem;
    background: var(--card-bg);
    transition: all 0.2s ease;
}

.essay-item:hover {
    background: var(--card-hover);
}

.essay-item h3 a {
    color: var(--link-color);
    text-decoration: none;
}

/* Essays index styling */
.essays-index .tagline {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

.essays-list {
    list-style: none;
    padding: 0;
}

.essay-item {
    border-left: 4px solid #2c3e50;
    padding: 1rem;
    margin-bottom: 1.5rem;
    background: #f9f9f9;
    transition: all 0.2s ease;
}

.essay-item:hover {
    background: #f0f0f0;
}

.essay-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 0.5rem;
}

.essay-item h3 {
    margin: 0;
    font-size: 1.1rem;
}

.essay-item h3 a {
    color: #2c3e50;
    text-decoration: none;
}

.essay-item h3 a:hover {
    text-decoration: underline;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 3px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
}

.badge.free {
    background: #27ae60;
    color: white;
}

.badge.paid {
    background: #e67e22;
    color: white;
}

.essay-price {
    color: #e67e22;
    font-weight: bold;
    margin: 0.5rem 0 0 0;
    font-size: 0.95rem;
}

/* Paygate styling */
.paygate {
    text-align: center;
}

.paygate-content {
    max-width: 500px;
    margin: 3rem auto;
    padding: 2rem;
    border: 2px solid var(--header-bg);
    background: var(--card-bg);
}

.paygate-prompt {
    color: var(--muted-color);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.paygate-box {
    background: var(--bg-color);
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 1.5rem 0;
}

.paygate-price {
    font-size: 2rem;
    font-weight: bold;
    color: #e67e22;
    margin: 0.5rem 0;
}

.paygate-description {
    color: var(--muted-color);
    font-size: 0.95rem;
    margin: 0.5rem 0 1.5rem 0;
}

.paygate-actions {
    text-align: left;
    background: var(--card-bg);
    padding: 1rem;
    border-radius: 4px;
    margin: 1rem 0;
}

.paygate-actions p {
    margin: 0.5rem 0;
}

.paygate-actions a {
    color: #e67e22;
    font-weight: bold;
    text-decoration: none;
}

.paygate-actions a:hover {
    text-decoration: underline;
}

/* Email gate styling */
.emailgate {
    text-align: center;
}

.emailgate-content {
    max-width: 500px;
    margin: 3rem auto;
    padding: 2rem;
    border: 2px solid var(--header-bg);
    background: var(--card-bg);
}

.emailgate-prompt {
    color: var(--muted-color);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.emailgate-box {
    background: var(--bg-color);
    padding: 2rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 1.5rem 0;
}

code {
    background: var(--code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

hr {
    border: none;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 600px) {
    main {
        padding: 1rem;
    }
    
    .essay-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .badge {
        display: block;
        margin-top: 0.5rem;
        width: fit-content;
    }
    
    .paygate-content {
        margin: 1rem 0;
        padding: 1rem;
    }
    
    .header-content {
        flex-direction: row;
        gap: 0.75rem;
        align-items: center;
        justify-content: space-between;
    }

    /* hide desktop nav, show hamburger */
    .nav-toggle {
        display: none;
    }

    .nav-toggle-label {
        display: inline-flex;
        flex-direction: column;
        justify-content: center;
        gap: 4px;
        width: 36px;
        height: 36px;
        padding: 6px;
        cursor: pointer;
    }

    .nav-toggle-label span {
        display: block;
        height: 3px;
        background: var(--header-text);
        border-radius: 2px;
        transition: transform 0.2s ease, opacity 0.2s ease;
    }

    /* hide nav by default on small screens */
    .main-nav {
        display: none;
        position: absolute;
        top: 64px;
        right: 12px;
        background: var(--header-bg);
        border: 1px solid var(--border-color);
        padding: 0.5rem 0.75rem;
        border-radius: 8px;
        box-shadow: 0 8px 20px rgba(0,0,0,0.2);
        flex-direction: column;
        min-width: 180px;
        z-index: 110;
    }

    .main-nav a {
        display: block;
        padding: 0.6rem 0.9rem;
        color: var(--header-text);
    }

    /* show nav when checkbox is checked */
    #nav-toggle:checked + .nav-toggle-label + .main-nav {
        display: flex;
    }

    /* animate hamburger into X when open */
    #nav-toggle:checked + .nav-toggle-label span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    #nav-toggle:checked + .nav-toggle-label span:nth-child(2) {
        opacity: 0;
    }
    #nav-toggle:checked + .nav-toggle-label span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

/* Footer Styling */
footer {
    background: var(--header-bg);
    color: var(--header-text);
    padding: 2rem 1rem;
    margin-top: auto;
    border-top: 1px solid var(--footer-border);
    transition: background-color 0.3s, color 0.3s;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-content p {
    margin: 0;
    font-size: 0.9rem;
}

.footer-nav {
    display: flex;
    gap: 1.5rem;
}

.footer-nav a {
    font-size: 0.9rem;
    color: var(--footer-muted);
    transition: color 0.2s;
}

.footer-nav a:hover {
    color: var(--header-text);
}

.footer-nav .theme-toggle {
    cursor: pointer;
    color: var(--footer-muted);
}

.footer-nav .theme-toggle:hover {
    color: var(--header-text);
}

@media (max-width: 600px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-nav {
        justify-content: center;
    }
}

.preview-container {
  position: relative;
  max-height: 300px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.preview-fade {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--preview-fade));
}

/* Essay navigation */
.essay-nav {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--essay-nav-border);
}

.essay-nav a {
    display: block;
    text-decoration: none;
    color: inherit;
    flex: 1;
    max-width: 45%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: background-color 0.2s, border-color 0.2s;
}

.essay-nav a:hover {
    background-color: var(--card-bg);
    border-color: var(--header-bg);
}

.nav-prev {
    text-align: left;
}

.nav-next {
    text-align: right;
}

.nav-label {
    display: block;
    font-size: 0.85rem;
    color: var(--muted-color);
    margin-bottom: 0.25rem;
}

.nav-title {
    display: block;
    font-size: 1rem;
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.nav-summary {
    display: block;
    font-size: 0.85rem;
    color: var(--muted-color);
    font-style: italic;
}

@media (max-width: 600px) {
    .essay-nav {
        flex-direction: column;
    }
    
    .essay-nav a {
        max-width: 100%;
    }
    
    .nav-next {
        text-align: left;
    }
}