:root {
    --bg-color: #050505;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent: #d91e18;
    --accent-glow: rgba(217, 30, 24, 0.5);
    --panel-bg: #111111;
    --border-color: #222222;
}

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

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

/* LOCK SCREEN */
#lock-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    transition: opacity 0.8s ease, visibility 0.8s;
}

#lock-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.lock-container {
    background: var(--panel-bg);
    padding: 40px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
}

.lock-icon {
    color: var(--accent);
    margin-bottom: 20px;
}

.lock-container h1 {
    font-family: 'Cinzel', serif;
    font-size: 24px;
    color: #fff;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.lock-container p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 25px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#pass-input {
    background: #000;
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 15px;
    font-size: 20px;
    text-align: center;
    letter-spacing: 8px;
    outline: none;
    transition: border-color 0.3s;
}

#pass-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
}

#unlock-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 15px;
    font-family: 'Cinzel', serif;
    font-weight: bold;
    letter-spacing: 2px;
    cursor: pointer;
    transition: background 0.3s, box-shadow 0.3s;
}

#unlock-btn:hover {
    background: #f0221a;
    box-shadow: 0 0 15px var(--accent-glow);
}

.error-msg {
    color: var(--accent);
    margin-top: 15px;
    font-size: 12px;
    height: 15px;
}

/* MAIN CONTENT */
#main-content {
    opacity: 0;
    transition: opacity 1s ease;
}

#main-content.visible {
    opacity: 1;
}

.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(5, 5, 5, 0.9);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand {
    font-family: 'Cinzel', serif;
    font-weight: bold;
    color: var(--accent);
    letter-spacing: 3px;
}

.progress-indicator {
    color: var(--text-secondary);
    font-size: 14px;
}

.book-container {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}

.chapter {
    display: none;
    animation: fadeIn 0.8s ease forwards;
}

.chapter.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.chapter-header {
    text-align: center;
    margin-bottom: 50px;
}

.chapter-header h2 {
    color: var(--accent);
    font-family: 'Cinzel', serif;
    font-size: 16px;
    letter-spacing: 4px;
    margin-bottom: 10px;
}

.chapter-header h1 {
    font-family: 'Cinzel', serif;
    font-size: 36px;
    color: #fff;
    line-height: 1.2;
}

.chapter p {
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: 25px;
    text-align: justify;
}

.chapter blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 20px;
    margin: 30px 0;
    font-style: italic;
    color: #fff;
    font-size: 20px;
    background: linear-gradient(90deg, rgba(217,30,24,0.1) 0%, rgba(5,5,5,0) 100%);
    padding: 20px;
}

.chapter-nav {
    margin-top: 50px;
    text-align: right;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    padding-bottom: 50px;
}

.next-btn {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 15px 25px;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.next-btn span {
    color: var(--accent);
    font-size: 20px;
}

.next-btn:hover {
    border-color: var(--accent);
    color: #fff;
    box-shadow: 0 0 15px rgba(217,30,24,0.2);
}

.climax-box {
    background: #0a0a0a;
    border: 1px solid var(--accent);
    padding: 40px;
    text-align: center;
    margin-top: 60px;
    margin-bottom: 100px;
    box-shadow: 0 0 30px var(--accent-glow);
}

.climax-box h3 {
    font-family: 'Cinzel', serif;
    font-size: 24px;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.climax-box p {
    text-align: center;
    font-size: 16px;
    color: var(--text-secondary);
}

.glow-button {
    display: inline-block;
    margin-top: 30px;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    padding: 20px 40px;
    font-family: 'Cinzel', serif;
    font-weight: bold;
    font-size: 18px;
    letter-spacing: 2px;
    border-radius: 4px;
    transition: all 0.3s;
}

.pulse-anim {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(217,30,24, 0.7); }
    70% { box-shadow: 0 0 0 20px rgba(217,30,24, 0); }
    100% { box-shadow: 0 0 0 0 rgba(217,30,24, 0); }
}

.glow-button:hover {
    background: #f0221a;
    transform: scale(1.05);
}

@media (max-width: 600px) {
    .chapter-header h1 { font-size: 28px; }
    .chapter p { font-size: 16px; }
    .top-nav { padding: 15px 20px; }
}