:root {
    --bg-dark: #0a0310;
    --text-main: #f3ebf5;
    --text-muted: #b4a8c0;
    --gold: #dfb256;
    --gold-glow: rgba(223, 178, 86, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
}

h1, h2, h3, .logo, .chapter-title {
    font-family: 'Cinzel', serif;
}

/* Background Orbs */
.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.4;
    animation: floating 30s infinite ease-in-out alternate;
}

.orb-1 {
    top: -10%; left: -10%; width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(121, 40, 202, 0.5), transparent 70%);
}

.orb-2 {
    bottom: -20%; right: -10%; width: 600px; height: 600px;
    background: radial-gradient(circle, var(--gold-glow), transparent 70%);
    animation-delay: -5s;
}

@keyframes floating {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 50px) scale(1.1); }
}

header {
    display: flex; justify-content: center; align-items: center;
    padding: 2rem 5%; position: absolute; top: 0; width: 100%; z-index: 10;
}
.logo { font-size: 2rem; font-weight: 600; color: var(--gold); letter-spacing: 4px; text-decoration: none;}

section { padding: 6rem 5%; display: flex; flex-direction: column; justify-content: center; align-items: center; }
.hero { text-align: center; }
.hero h1 { font-size: 4rem; line-height: 1.1; margin-bottom: 1.5rem; }
.hero h1 span { color: var(--gold); text-shadow: 0 0 30px var(--gold-glow); }

.grid { display: grid; gap: 2rem; width: 100%; max-width: 1200px; }
.glass-card {
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px); border-radius: 20px; transition: 0.4s;
}

/* Book Cover styles */
.toc-grid { grid-template-columns: 1fr; gap: 1.5rem; text-align: left; }
.toc-card { 
    padding: 2rem 3rem; display: flex; flex-direction: column; text-decoration: none;
    border-left: 4px solid transparent; 
}
.toc-card:hover { transform: translateX(10px); border-left-color: var(--gold); background: rgba(255,255,255,0.06);}
.chapter-num { font-size: 0.8rem; font-weight: 600; letter-spacing: 2px; color: var(--gold); text-transform: uppercase; margin-bottom: 0.5rem;}
.toc-card h3 { font-size: 1.8rem; color: var(--text-main); margin-bottom: 0.5rem;}
.toc-card p { color: var(--text-muted); font-size: 1.1rem;}

/* Reading Layout Styles */
.reading-body { background-color: #050209; }
.reading-header { justify-content: space-between; position: relative; padding: 2rem 5%; border-bottom: 1px solid var(--glass-border);}
.current-chapter { font-family: 'Cinzel', serif; color: var(--text-muted); font-size: 1.2rem; letter-spacing: 2px;}

.reading-container {
    max-width: 800px; margin: 4rem auto 8rem; padding: 0 5%;
}
.reading-card {
    padding: 4rem 5rem;
}
.chapter-title {
    font-size: 2.5rem; color: var(--gold); margin-bottom: 3rem; text-align: center;
}
.text-content p {
    font-size: 1.25rem; font-weight: 300; line-height: 1.8; color: var(--text-main); margin-bottom: 2rem; text-align: justify;
}
.text-content strong { color: var(--gold); font-weight: 500;}

.reading-nav {
    display: flex; justify-content: space-between; margin-top: 3rem;
}
.nav-btn {
    text-decoration: none; padding: 1rem 2rem; border-radius: 30px; font-weight: 500; font-size: 1.1rem;
    border: 1px solid var(--glass-border); background: var(--glass-bg); transition: 0.3s;
}
.nav-btn.active { color: var(--text-main); cursor: pointer;}
.nav-btn.active:hover { border-color: var(--gold); color: var(--gold); }
.nav-btn.disabled { color: var(--text-muted); opacity: 0.3; cursor: not-allowed;}

footer { text-align: center; padding: 2rem; color: var(--text-muted); font-size: 0.9rem; border-top: 1px solid var(--glass-border); }

.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.2s; } .delay-2 { transition-delay: 0.4s; }

@media (max-width: 768px) {
    .reading-card { padding: 2rem; }
    .text-content p { font-size: 1.1rem; }
    .hero h1 { font-size: 3rem; }
}