/* CSS Variables */
:root {
    --bg-color: #0D0D0D;
    --text-primary: #F0EDE8;
    --accent-primary: #E84545;
    --accent-secondary: #00E5C8;
    --accent-tertiary: #F5C400;
    --pixel-green: #44FF44;
    --card-bg: #1A1A1A;
    --grid-line: #2A2A2A;
    --boarding-cream: #FFF8E7;
    --boarding-text: #1A1A1A;
    
    /* Category Colors */
    --cat-books: #4A90E2;
    --cat-fantasy: #9B59B6;
    --cat-f1: #F39C12;
    --cat-investing: #2ECC71;
    --cat-music: #E74C3C;
    --cat-internet: #1ABC9C;
}

[data-theme="light"] {
    --bg-color: #F7F3ED;
    --text-primary: #1A1A1A;
    --card-bg: #EAE4D9;
    --grid-line: #D8D0C4;
}

/* Reset & Base */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    background-color: var(--bg-color); color: var(--text-primary);
    font-family: 'Space Mono', monospace; line-height: 1.6;
    overflow-x: hidden; transition: background-color 0.3s, color 0.3s;
}
a { color: var(--accent-secondary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-primary); text-decoration: underline; text-decoration-style: dashed; }

/* Typography */
h1, h2, h3, .bebas { font-family: 'Bebas Neue', sans-serif; letter-spacing: 1px; }
.pixel-font { font-family: 'Press Start 2P', cursive; font-size: 10px; line-height: 1.4; }
.playfair { font-family: 'Playfair Display', serif; }

/* Universal Nav */
.main-nav {
    position: sticky; top: 0; width: 100%; height: 60px; display: flex; justify-content: space-between;
    align-items: center; padding: 0 20px; background-color: var(--bg-color);
    border-bottom: 2px dashed var(--grid-line); z-index: 1000;
}
.nav-logo { font-family: 'Bebas Neue', sans-serif; font-size: 24px; color: var(--text-primary); text-decoration: none; }
.nav-toggle-input { display: none; }
.nav-hamburger { display: none; flex-direction: column; gap: 4px; cursor: pointer; }
.nav-hamburger span { width: 24px; height: 2px; background-color: var(--text-primary); }
.nav-links { display: flex; gap: 20px; list-style: none; font-family: 'Press Start 2P', cursive; font-size: 10px; }
.nav-links a { color: var(--text-primary); text-decoration: none; }
.nav-links a:hover { color: var(--accent-primary); }
.nav-right { display: flex; align-items: center; gap: 20px; }
.theme-toggle { background: none; border: none; color: var(--text-primary); cursor: pointer; font-size: 16px; }
.nav-clock { font-family: 'Space Mono', monospace; font-size: 14px; }

@media (max-width: 768px) {
    .nav-hamburger { display: flex; }
    .nav-links {
        display: none; position: absolute; top: 60px; left: 0; width: 100%;
        background-color: var(--bg-color); flex-direction: column; gap: 0;
        border-bottom: 2px dashed var(--grid-line);
    }
    .nav-toggle-input:checked ~ .nav-links { display: flex; }
    .nav-links li { border-top: 1px dashed var(--grid-line); list-style: none; }
    .nav-links a { display: block; padding: 15px 20px; min-height: 48px; }
    .nav-clock { display: none; }
}

/* Scanlines */
.scanlines {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: repeating-linear-gradient(to bottom, transparent 0, transparent 2px, rgba(0, 0, 0, 0.03) 2px, rgba(0, 0, 0, 0.03) 4px);
    pointer-events: none; z-index: 9999;
}
[data-theme="dark"] .scanlines {
    background: repeating-linear-gradient(to bottom, transparent 0, transparent 2px, rgba(255, 255, 255, 0.03) 2px, rgba(255, 255, 255, 0.03) 4px);
}

/* Page Content */
.page-container {
    max-width: 1000px; margin: 0 auto; padding: 40px 20px;
}
.page-header {
    margin-bottom: 40px; border-bottom: 4px solid var(--accent-primary); padding-bottom: 20px;
}
.page-title { font-size: 48px; color: var(--accent-primary); }
.page-subtitle { font-family: 'Space Mono', monospace; font-size: 16px; color: var(--text-primary); }

/* Recs Grid (Masonry-lite) */
.recs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    align-items: start;
}
.rec-card {
    background-color: var(--card-bg);
    border: 2px solid var(--grid-line);
    padding: 20px;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s, box-shadow 0.2s;
}
.rec-card:hover {
    transform: translateY(-5px);
    box-shadow: 5px 5px 0 var(--accent-primary);
}
.rec-card:nth-child(even) {
    margin-top: 20px;
}
.rec-card:nth-child(3n) {
    margin-top: 40px;
}
.rec-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    border-bottom: 1px dashed var(--grid-line);
    padding-bottom: 10px;
}
.rec-title {
    font-size: 20px;
    color: var(--text-primary);
}
.rec-category {
    font-family: 'Press Start 2P', cursive;
    font-size: 8px;
    padding: 4px 8px;
    border-radius: 4px;
    color: #000;
}
.cat-books { background-color: var(--cat-books); }
.cat-fantasy { background-color: var(--cat-fantasy); }
.cat-f1 { background-color: var(--cat-f1); }
.cat-investing { background-color: var(--cat-investing); }
.cat-music { background-color: var(--cat-music); }
.cat-internet { background-color: var(--cat-internet); }
.rec-body {
    font-size: 14px;
    margin-bottom: 15px;
    flex-grow: 1;
}
.rec-link {
    font-family: 'Press Start 2P', cursive;
    font-size: 8px;
    align-self: flex-start;
    padding: 8px 12px;
    border: 1px solid var(--grid-line);
    color: var(--text-primary);
}
.rec-link:hover {
    background-color: var(--accent-primary);
    color: #FFF;
    border-color: var(--accent-primary);
    text-decoration: none;
}

/* Log & Guestbook Entries */
.log-entry, .guestbook-entry {
    background-color: var(--card-bg);
    border: 2px solid var(--grid-line);
    padding: 20px;
    margin-bottom: 30px;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}
.log-entry:nth-child(odd), .guestbook-entry:nth-child(odd) {
    transform: rotate(-1deg);
}
.log-entry:nth-child(even), .guestbook-entry:nth-child(even) {
    transform: rotate(1.5deg);
}
.log-entry:hover, .guestbook-entry:hover {
    transform: rotate(0deg) translateY(-5px);
    box-shadow: 5px 5px 0 var(--accent-primary);
    z-index: 10;
}
.guestbook-entry:nth-child(3n+1) { background-color: #FFF9C4; color: #000; }
.guestbook-entry:nth-child(3n+2) { background-color: #F8BBD0; color: #000; }
.guestbook-entry:nth-child(3n+3) { background-color: #B3E5FC; color: #000; }

.log-date {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    color: var(--accent-primary);
    margin-bottom: 10px;
    display: inline-block;
    border-bottom: 1px dashed var(--accent-primary);
}
.log-content {
    font-size: 16px;
    line-height: 1.8;
}

/* Forms */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-family: 'Space Mono', monospace; font-size: 12px; margin-bottom: 5px; color: var(--text-primary); }
.form-input, .form-textarea {
    width: 100%; padding: 10px; background-color: var(--bg-color); color: var(--text-primary);
    border: 2px solid var(--grid-line); font-family: 'Space Mono', monospace; font-size: 14px;
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--accent-primary); }

.pixel-btn {
    display: inline-block; background-color: var(--accent-primary); color: #FFF;
    font-family: 'Press Start 2P', cursive; font-size: 10px; padding: 12px 16px;
    border: 2px solid #1A1A1A; box-shadow: 3px 3px 0 #1A1A1A; text-align: center;
    cursor: pointer; transition: all 0.1s; margin-top: auto;
}
.pixel-btn:hover {
    box-shadow: 1px 1px 0 #1A1A1A; transform: translate(2px, 2px); color: #FFF; text-decoration: none;
}

/* Footer */
footer {
    padding: 40px 20px; text-align: center; border-top: 2px dashed var(--grid-line);
    background-color: var(--bg-color); margin-top: 60px;
}
.footer-stats { display: flex; justify-content: space-between; font-size: 12px; color: #666; margin-bottom: 20px; }
.social-links { display: flex; justify-content: center; gap: 15px; margin-bottom: 20px; }
.social-btn {
    display: inline-block; width: 40px; height: 40px; line-height: 36px; text-align: center;
    border: 2px solid var(--grid-line); color: var(--text-primary); font-family: 'Space Mono', monospace;
    font-weight: bold; transition: all 0.2s;
}
.social-btn:hover { background-color: var(--accent-primary); color: #FFF; border-color: var(--accent-primary); transform: translateY(-3px); }
.ascii-divider { font-family: monospace; color: var(--grid-line); margin-bottom: 20px; white-space: pre; overflow: hidden; }
.copyright { color: #666; }

/* Global Responsive Text Rules */
h1, .hero-title, .page-title { font-size: clamp(2.5rem, 7vw, 6rem) !important; }
h2, .section-title { font-size: clamp(1.5rem, 4vw, 3rem) !important; }
h3, .card-title { font-size: clamp(1rem, 2.5vw, 1.5rem) !important; }
body, p, .body-text { font-size: clamp(0.875rem, 1.5vw, 1rem); }
.pixel-font, .nav-links a, .card-badge, .tab-btn, .rec-category, .rec-link { font-size: clamp(7px, 1.2vw, 11px) !important; }