/* Chronicle Reader Styles - Pareidolia Pattern */
:root {
    --bg-dark: #0a0a0a; /* Ещё темнее для лучшего контраста */
    --accent-gold: #FFD700;
    --text: #f0f0f0;
    --dim: #a0a0a0;
    --pattern-color: rgba(26, 26, 26, 0.95); /* Основной цвет паттерна */
    --pattern-light: rgba(40, 40, 40, 0.9); /* На 10% светлее */
    --pattern-dark: rgba(15, 15, 15, 0.9);  /* На 10% темнее */
    --pattern-opacity: 0.08; /* 8% - едва заметно */
}

html, body {
    height: 100%;
    margin: 0;
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    overflow: hidden;
}

.reader-wrapper {
    display: flex;
    height: 100vh;
    gap: 18px;
    padding: 20px;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    /* Основной фон */
    background: 
        radial-gradient(
            circle at 20% 30%,
            rgba(30, 30, 30, 0.3) 0%,
            transparent 40%
        ),
        radial-gradient(
            circle at 80% 70%,
            rgba(25, 25, 25, 0.4) 0%,
            transparent 40%
        ),
        var(--bg-dark);
}

/* СЛОЙ 1: ЗВЁЗДНЫЙ ПАТТЕРН ДЛЯ ПАРЕЙДОЛИИ */
.reader-wrapper::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    
    /* Звёздный паттерн - множество точек разной интенсивности */
    background-image: 
        /* Группа 1: Микрокластеры (источник парейдолии) */
        radial-gradient(circle at 5% 15%, var(--pattern-light) 0.3px, transparent 0.5px),
        radial-gradient(circle at 6% 16%, var(--pattern-dark) 0.4px, transparent 0.6px),
        radial-gradient(circle at 7% 14%, var(--pattern-light) 0.2px, transparent 0.4px),
        
        radial-gradient(circle at 15% 25%, var(--pattern-dark) 0.5px, transparent 0.7px),
        radial-gradient(circle at 16% 26%, var(--pattern-light) 0.3px, transparent 0.5px),
        radial-gradient(circle at 17% 24%, var(--pattern-dark) 0.4px, transparent 0.6px),
        
        radial-gradient(circle at 25% 35%, var(--pattern-light) 0.6px, transparent 0.8px),
        radial-gradient(circle at 26% 36%, var(--pattern-dark) 0.4px, transparent 0.6px),
        
        /* Группа 2: Линейные скопления (напоминают созвездия) */
        radial-gradient(circle at 35% 45%, var(--pattern-light) 0.3px, transparent 0.5px),
        radial-gradient(circle at 37% 47%, var(--pattern-dark) 0.4px, transparent 0.6px),
        radial-gradient(circle at 39% 49%, var(--pattern-light) 0.5px, transparent 0.7px),
        radial-gradient(circle at 41% 51%, var(--pattern-dark) 0.3px, transparent 0.5px),
        
        radial-gradient(circle at 45% 55%, var(--pattern-light) 0.4px, transparent 0.6px),
        radial-gradient(circle at 47% 57%, var(--pattern-dark) 0.5px, transparent 0.7px),
        radial-gradient(circle at 49% 59%, var(--pattern-light) 0.3px, transparent 0.5px),
        
        /* Группа 3: Треугольные формирования (провоцируют распознавание лиц) */
        radial-gradient(circle at 55% 65%, var(--pattern-light) 0.6px, transparent 0.8px),
        radial-gradient(circle at 57% 63%, var(--pattern-dark) 0.4px, transparent 0.6px),
        radial-gradient(circle at 59% 67%, var(--pattern-light) 0.5px, transparent 0.7px),
        
        radial-gradient(circle at 65% 75%, var(--pattern-dark) 0.7px, transparent 0.9px),
        radial-gradient(circle at 67% 73%, var(--pattern-light) 0.5px, transparent 0.7px),
        radial-gradient(circle at 69% 77%, var(--pattern-dark) 0.6px, transparent 0.8px),
        
        /* Группа 4: Случайный фон для заполнения */
        radial-gradient(circle at 10% 85%, var(--pattern-light) 0.2px, transparent 0.4px),
        radial-gradient(circle at 20% 90%, var(--pattern-dark) 0.3px, transparent 0.5px),
        radial-gradient(circle at 30% 80%, var(--pattern-light) 0.4px, transparent 0.6px),
        radial-gradient(circle at 40% 95%, var(--pattern-dark) 0.3px, transparent 0.5px),
        radial-gradient(circle at 50% 85%, var(--pattern-light) 0.5px, transparent 0.7px),
        radial-gradient(circle at 60% 88%, var(--pattern-dark) 0.4px, transparent 0.6px),
        radial-gradient(circle at 70% 92%, var(--pattern-light) 0.3px, transparent 0.5px),
        radial-gradient(circle at 80% 82%, var(--pattern-dark) 0.6px, transparent 0.8px),
        radial-gradient(circle at 90% 87%, var(--pattern-light) 0.4px, transparent 0.6px),
        radial-gradient(circle at 95% 93%, var(--pattern-dark) 0.5px, transparent 0.7px);
    
    background-size: 100% 100%;
    opacity: var(--pattern-opacity);
    
    /* Начальные значения фильтров */
    filter: blur(0.15px) contrast(110%) brightness(100%);
    
    /* Ключевая анимация для провокации парейдолии */
    animation: 
        pareidoliaShift 45s linear infinite,
        microTremor 7s ease-in-out infinite;
}

/* СЛОЙ 2: Едва заметная вуаль поверх паттерна */
.reader-wrapper::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background: 
        linear-gradient(
            135deg,
            transparent 0%,
            rgba(10, 10, 10, 0.1) 50%,
            transparent 100%
        );
    opacity: 0.03;
    animation: veilDrift 120s linear infinite;
}

/* АНИМАЦИЯ ПАРЕЙДОЛИИ */
@keyframes pareidoliaShift {
    0% {
        filter: blur(0.15px) contrast(110%) brightness(100%);
        background-position: 0px 0px;
        opacity: 0.07;
    }
    15% {
        filter: blur(0.25px) contrast(98%) brightness(103%);
        opacity: 0.09;
    }
    33% {
        filter: blur(0.35px) contrast(95%) brightness(101%) hue-rotate(0.2deg);
        background-position: 1px 1px;
        opacity: 0.06;
    }
    49% {
        filter: blur(0.2px) contrast(105%) brightness(99%);
        opacity: 0.08;
    }
    66% {
        filter: blur(0.4px) contrast(92%) brightness(104%) hue-rotate(-0.3deg);
        background-position: -1px 0px;
        opacity: 0.07;
    }
    82% {
        filter: blur(0.18px) contrast(108%) brightness(100%);
        opacity: 0.09;
    }
    100% {
        filter: blur(0.15px) contrast(110%) brightness(100%);
        background-position: 0px 0px;
        opacity: 0.07;
    }
}

/* Микродрожание - имитация остаточного изображения на сетчатке */
@keyframes microTremor {
    0%, 100% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(0.1px, -0.05px);
    }
    50% {
        transform: translate(-0.05px, 0.1px);
    }
    75% {
        transform: translate(0.05px, 0.05px);
    }
}

/* Дрейф вуали */
@keyframes veilDrift {
    0% {
        background-position: 0% 0%;
    }
    100% {
        background-position: 100% 100%;
    }
}

/* Остальные стили остаются как были, с небольшими улучшениями */
.reader-sidebar {
    width: 300px;
    background: rgba(20, 20, 20, 0.82);
    border: 1px solid rgba(255, 215, 0, 0.05);
    padding: 16px;
    border-radius: 6px;
    overflow: auto;
    z-index: 1;
    backdrop-filter: blur(12px) contrast(1.1);
    -webkit-backdrop-filter: blur(12px) contrast(1.1);
    box-shadow: 
        inset 0 0 0 1px rgba(255, 215, 0, 0.02),
        0 8px 32px rgba(0, 0, 0, 0.3);
    transition: transform 0.28s ease, opacity 0.28s ease, width 0.28s ease;
}

.reader-wrapper.sidebar-collapsed .reader-sidebar {
    transform: translateX(-110%);
    opacity: 0;
    width: 0;
    pointer-events: none;
}

.reader-wrapper.sidebar-collapsed .reader-main {
    flex: 1 1 auto;
}

.reader-sidebar h2 {
    font-family: 'Courier New', Courier, monospace;
    color: var(--accent-gold);
    margin: 0 0 12px 0;
    font-size: 18px;
    border-bottom: 1px solid rgba(255, 215, 0, 0.08);
    padding-bottom: 8px;
    text-shadow: 0 0 8px rgba(255, 215, 0, 0.1);
}

.chapter-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.chapter-list a {
    color: var(--text);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 4px;
    display: block;
    transition: all 0.25s ease;
    border-left: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.chapter-list a::before {
    content: "";
    position: absolute;
    left: -100%;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.05), transparent);
    transition: left 0.5s ease;
}

.chapter-list a:hover::before {
    left: 100%;
}

.chapter-list a:hover {
    background: rgba(255, 215, 0, 0.03);
    color: var(--accent-gold);
    border-left: 2px solid rgba(255, 215, 0, 0.2);
    transform: translateX(3px);
}

.chapter-list a.active {
    background: rgba(255, 215, 0, 0.06);
    color: var(--accent-gold);
    font-weight: 600;
    border-left: 2px solid var(--accent-gold);
    box-shadow: inset 0 0 15px rgba(255, 215, 0, 0.05);
}

.reader-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    z-index: 1;
}

.reader-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: rgba(20, 20, 20, 0.75);
    border-radius: 6px;
    margin-bottom: 12px;
    backdrop-filter: blur(8px) contrast(1.05);
    -webkit-backdrop-filter: blur(8px) contrast(1.05);
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.reader-header h1 {
    margin: 0;
    font-family: 'Courier New', Courier, monospace;
    color: var(--accent-gold);
    font-size: 20px;
    text-shadow: 0 0 12px rgba(255, 215, 0, 0.25);
    letter-spacing: 0.5px;
}

.reader-controls {
    display: flex;
    gap: 8px;
}

.reader-controls button {
    background: rgba(255, 215, 0, 0.04);
    border: 1px solid rgba(255, 215, 0, 0.12);
    color: var(--text);
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.25s ease;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.reader-controls button::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 215, 0, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.reader-controls button:hover::after {
    width: 100px;
    height: 100px;
}

.reader-controls button:hover {
    background: rgba(255, 215, 0, 0.08);
    border-color: rgba(255, 215, 0, 0.25);
    color: var(--accent-gold);
    transform: translateY(-1px);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.3),
        0 0 15px rgba(255, 215, 0, 0.1);
}

.reader-frame {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(15, 15, 15, 0.55);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    backdrop-filter: blur(6px) contrast(1.08);
    -webkit-backdrop-filter: blur(6px) contrast(1.08);
    box-shadow: 
        inset 0 0 50px rgba(0, 0, 0, 0.6),
        0 12px 40px rgba(0, 0, 0, 0.5);
    position: relative;
}

.reader-frame::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 8px;
    padding: 1px;
    background: linear-gradient(
        135deg,
        rgba(255, 215, 0, 0.05),
        rgba(255, 215, 0, 0.02),
        rgba(255, 215, 0, 0.05)
    );
    -webkit-mask: 
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    mask: 
        linear-gradient(#fff 0 0) content-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.reader-viewport {
    width: 100%;
    max-width: 780px;
    padding: 30px;
    box-sizing: border-box;
}

.reader-viewport iframe {
    width: 100%;
    height: calc(100vh - 180px);
    min-height: 500px;
    border: 0;
    background: rgba(18, 18, 18, 0.92) !important;
    color: var(--text);
    border-radius: 6px;
    display: block;
    box-shadow: 
        0 0 0 1px rgba(255, 215, 0, 0.03),
        0 20px 50px rgba(0, 0, 0, 0.8);
}

.reader-footer {
    padding: 12px;
    text-align: right;
    color: var(--dim);
    font-size: 13px;
    margin-top: 10px;
    background: rgba(20, 20, 20, 0.55);
    border-radius: 4px;
    border-top: 1px solid rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

/* Адаптивность */
@media (max-width: 800px) {
    .reader-wrapper {
        padding: 8px;
        gap: 0;
    }
    
    .reader-sidebar {
        position: fixed;
        left: 0;
        top: 0;
        height: 100vh;
        width: 280px;
        transform: translateX(-100%);
        background: rgba(15, 15, 15, 0.97);
        z-index: 100;
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        border-right: 1px solid rgba(255, 215, 0, 0.08);
        box-shadow: 8px 0 30px rgba(0, 0, 0, 0.6);
    }
    
    .reader-wrapper:not(.sidebar-collapsed) .reader-sidebar {
        transform: translateX(0);
    }
    
    /* Затемнение фона при открытом сайдбаре */
    .reader-wrapper:not(.sidebar-collapsed)::after {
        content: "";
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.85);
        z-index: 99;
        pointer-events: all;
        backdrop-filter: blur(3px);
        -webkit-backdrop-filter: blur(3px);
    }
    
    .reader-viewport {
        padding: 15px;
    }
    
    .reader-viewport iframe {
        height: calc(100vh - 140px);
        min-height: 300px;
    }
}

/* Настройки для усиления эффекта парейдолии */
.pareidolia-enhanced {
    --pattern-opacity: 0.12; /* Увеличить прозрачность для теста */
}

.pareidolia-enhanced .reader-wrapper::before {
    animation-duration: 3s;
    filter: blur(0.2px) contrast(115%) brightness(98%);
}