/* =========================================
   1. RESET & VARIABLES (Clean Magazine Theme)
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Core Colors */
    --page-bg: #ffffff;          /* Clean White Paper */
    --text-main: #2c3e50;        /* Dark Slate Grey (Readable) */
    --text-light: #596b7e;       /* Muted Blue-Grey */
    --accent-purple: #7C5CFF;    /* Primary Brand Purple */
    --accent-pink: #FF4081;      /* Secondary "Sheep" Pink */
    --accent-gold: #D4AF37;      /* Magazine Gold Highlights */

    /* Functional Colors */
    --success: #2ecc71;
    --error: #e74c3c;
    --border-color: #e0e0e0;
    --shadow-soft: 0 4px 20px rgba(0,0,0,0.05);
    --shadow-hard: 0 10px 30px rgba(0,0,0,0.15);

    /* Typography */
    --font-serif: 'Didot', 'Times New Roman', serif; /* Magazine Headings */
    --font-sans: 'Noto Sans SC', 'Helvetica Neue', Helvetica, Arial, sans-serif; /* Body Text */
}

body {
    background-color: var(--page-bg);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

/* =========================================
   2. UTILITIES & ANIMATIONS
   ========================================= */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hidden { display: none !important; }
.fade-in { animation: fadeIn 0.8s ease forwards; }

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

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--accent-purple);
    color: white;
    box-shadow: 0 4px 15px rgba(124, 92, 255, 0.3);
}

.btn-primary:hover {
    background: #6a4ce0;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 92, 255, 0.4);
}

.btn-ghost {
    background: transparent;
    border: 2px solid var(--accent-purple);
    color: var(--accent-purple);
}

.btn-ghost:hover {
    background: rgba(124, 92, 255, 0.05);
}

/* =========================================
   3. MAGAZINE COVER (Login Page)
   ========================================= */
.cover-layout {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: #fdfbf7; /* Very light warm white */
    overflow: hidden;
}

/* Background Elements */
.bg-deco-circle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(124,92,255,0.05), rgba(255,64,129,0.05));
    z-index: 0;
}

.cover-content {
    z-index: 10;
    text-align: center;
    padding: 40px;
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.8);
    box-shadow: var(--shadow-hard);
    max-width: 500px;
    width: 90%;
    border-radius: 4px; /* Magazine sharp corners */
}

/* Magazine Masthead */
.masthead {
    margin-bottom: 40px;
    border-bottom: 2px solid var(--text-main);
    padding-bottom: 20px;
}

.masthead-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-main);
    line-height: 1;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.masthead-subtitle {
    font-size: 1rem;
    color: var(--accent-purple);
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
}

/* Login Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 4px; /* Sharp magazine style */
    font-family: var(--font-sans);
    font-size: 1.1rem;
    text-align: center;
    letter-spacing: 2px;
    transition: border-color 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-purple);
}

.error-msg {
    color: var(--error);
    font-size: 0.9rem;
    height: 20px;
    font-weight: 500;
}

/* =========================================
   4. TABLE OF CONTENTS (Post-Login)
   ========================================= */
.toc-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--page-bg);
    z-index: 20;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px 20px;
}

.toc-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.toc-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--text-main);
}

.toc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    width: 100%;
}

.toc-card {
    background: white;
    border: 1px solid var(--border-color);
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    height: 400px;
    display: flex;
    flex-direction: column;
}

.toc-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hard);
    border-color: var(--accent-purple);
}

.card-img {
    height: 60%;
    background-color: #f0f0f0;
    background-size: cover;
    background-position: center;
    position: relative;
}

/* Card Overlays/Icons */
.card-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    color: var(--text-main);
    opacity: 0.8;
}

.card-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: white;
}

.card-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--text-main);
    margin-bottom: 10px;
}

.card-desc {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.5;
}

.card-footer {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent-purple);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* =========================================
   5. GAME UI (Magazine Style)
   ========================================= */
/* Specific overrides for Game to make it look "Embedded" */
.game-wrapper {
    background: #f8f9fa;
    min-height: 100vh;
    padding: 20px;
}

.game-header {
    text-align: center;
    margin-bottom: 20px;
}

.game-area {
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
    padding: 20px;
    max-width: 1000px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
}

/* Fix the Game specific items from previous CSS */
.slots {
    background: #f5f5f5 !important; /* Override complex gradient */
    border: 1px solid #ddd !important;
}

.tools-tray {
    background: white !important;
    border: 1px solid #ddd !important;
}

/* =========================================
   6. RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
    .masthead-title { font-size: 2.5rem; }
    .toc-title { font-size: 2rem; }
    .toc-card { height: 350px; }
}

/* =========================================
   7. 3D BOOK VIEWER (Manga)
   ========================================= */
.book-stage {
    perspective: 2000px;
    width: 100vw;
    height: 85vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    margin-top: 60px; /* Header space */
}

.book-wrapper {
    position: relative;
    width: 1000px; /* Desktop Spread Width */
    height: 700px;
    transform-style: preserve-3d;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Mobile: Single Page View adjustments are handled via JS sizing or Media Queries */
@media (max-width: 1100px) {
    .book-wrapper {
        width: 500px;
        height: 700px;
    }
}
@media (max-width: 600px) {
    .book-wrapper {
        width: 90vw;
        height: 70vh;
    }
}

.book-page {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background: white;
    transform-origin: center left; /* Flip from spine */
    transform-style: preserve-3d;
    transition: transform 1.2s cubic-bezier(0.15, 1, 0.3, 1), z-index 0s 0.6s;
    cursor: pointer;
    box-shadow: inset 20px 0 50px rgba(0,0,0,0.05), -5px 0 15px rgba(0,0,0,0.1);
    border-radius: 2px;
    overflow: hidden;
    backface-visibility: hidden; /* Hide back when flipped */
    z-index: 1;
}

/* Right pages (Odd numbers) are normally on the right stack */
.book-page.right-page {
    left: 50%;
    transform-origin: left;
}

/* Left pages (Even numbers) are on the left stack (flipped open) */
.book-page.left-page {
    left: 50%; /* Positioned at spine */
    transform-origin: left;
}

/* States */
.page-flipped {
    transform: rotateY(-180deg);
    z-index: 10;
}

/* Content inside Page */
.page-content {
    width: 100%;
    height: 100%;
    padding: 40px;
    overflow-y: auto;
    position: relative;
    background: #fff;
    border-left: 1px solid #f0f0f0;
}
.page-content.verso { /* Left page content styling */
    border-right: 1px solid #f0f0f0;
    border-left: none;
}

/* Comic Styling reused */
.comic-panel {
    border: 3px solid #222;
    padding: 15px;
    margin-bottom: 20px;
    background: #fff;
    box-shadow: 5px 5px 0 rgba(0,0,0,0.1);
}

.page-number {
    position: absolute;
    bottom: 20px;
    font-family: var(--font-serif);
    color: #999;
}
.right-page .page-number { right: 20px; }
.left-page .page-number { left: 20px; }

/* Control Arrows */
.book-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: white;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 100;
    transition: all 0.3s;
}
.book-nav-btn:hover { transform: translateY(-50%) scale(1.1); box-shadow: 0 8px 25px rgba(0,0,0,0.15); }
.nav-prev { left: 20px; }
.nav-next { right: 20px; }

/* Mobile Optimization for Book */
@media (max-width: 1100px) {
    .book-page {
        width: 100%;
        left: 0 !important;
        transform-origin: left;
    }
    .page-flipped {
        transform: rotateY(-180deg); /* Full flip off screen or stack? */
        /* For mobile stack, we might just slide or fade, but user wants flip */
        /* 3D flip on single stack is tricky. Let's do a Z-stack pile */
    }
    /* Simple Z-Stack for Mobile */
    .mobile-stack-mode .book-page {
        transform-origin: bottom center;
        transition: transform 0.6s ease;
    }
}

/* =========================================
   8. LOVE TIMER (Apple Style)
   ========================================= */
.love-timer-wrapper {
    text-align: center;
    width: 100%;
    padding: 20px;
    background: rgba(255,255,255,0.6);
    backdrop-filter: blur(15px);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    border: 1px solid rgba(255,255,255,0.5);
    margin-top: 20px;
}

.lt-header {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-light);
    margin-bottom: 5px;
}

.lt-subheader {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: var(--font-serif);
    color: var(--text-main);
    margin-bottom: 25px;
}

.lt-grid {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 25px;
}

.lt-box {
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(5px);
    padding: 15px 10px;
    border-radius: 12px;
    min-width: 60px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    border: 1px solid rgba(255,255,255,1);
}

.lt-box.relative { position: relative; }

.lt-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
    font-family: var(--font-sans); /* Use Sans for digits like Apple */
    line-height: 1.2;
}
.lt-num.highlight {
    color: var(--accent-gold); /* Or custom orange/yellow from image */
}

.lt-label {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 5px;
}

.lt-footer {
    font-size: 0.8rem;
    color: #999;
    border-top: 1px solid rgba(0,0,0,0.05);
    padding-top: 10px;
}

/* Sheep Animation */
.lt-sheep-spawn-point {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 0;
    height: 0;
    overflow: visible;
}

.lt-floating-sheep {
    position: absolute;
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--accent-pink);
    white-space: nowrap;
    animation: floatUpFade 1.5s ease-out forwards;
}

@keyframes floatUpFade {
    0% { transform: translateY(0) scale(0.8); opacity: 0; }
    20% { opacity: 1; transform: translateY(-10px) scale(1.1); }
    100% { transform: translateY(-40px) scale(1); opacity: 0; }
}

/* =========================================
   9. EXTRACTED BOOK CSS (Moved from js/book.js)
   ========================================= */
    .book-sheet {
        position: absolute;
        top: 0;
        right: 0; /* Anchored right for spread logic? No, center. */
        width: 50%; /* Each sheet is half the book width? */
        /* Actually, in 3D book:
           The "Spine" is center.
           The Sheet width = Page Width.
           Transform Origin = Left.
           Initial Position = Right side of spine.
        */
        width: 500px;
        height: 100%;
        left: 50%; /* Starts at spine */
        transform-origin: left center;
        transform-style: preserve-3d;
        transition: transform 0.6s cubic-bezier(0.645, 0.045, 0.355, 1);
    }

    @media(max-width: 1100px) {
        .book-sheet {
             width: 100%;
             left: 0;
             /* For mobile, we might not do side-by-side.
                If we use the same logic, "flipped" rotates -180deg.
                On mobile, -180deg hides it? Or we show back?
                "Back" of sheet is Page 2.
                If we want single page view, this 3D structure is hard.
             */
        }
        /* Mobile Override: Slide Stack instead of Flip? */
        /* User asked for "Flip". Let's try 3D flip on mobile too, but full width. */
    }

    .sheet-side {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        backface-visibility: hidden;
        background: white;
        box-shadow: inset 5px 0 10px rgba(0,0,0,0.05); /* Spine shadow */
        border: 1px solid #ddd;
    }

    .sheet-front {
        z-index: 2;
        /* Default visible */
    }

    .sheet-back {
        z-index: 1;
        transform: rotateY(180deg);
        box-shadow: inset -5px 0 10px rgba(0,0,0,0.05); /* Spine shadow on back */
    }

    .flipped {
        transform: rotateY(-180deg);
    }

    /* Content Styling */
    .comic-header { border-bottom: 2px solid var(--accent-purple); margin-bottom: 15px; padding-bottom: 5px; display:flex; justify-content:space-between; align-items:flex-end; }
    .comic-date { font-family: var(--font-serif); font-size: 1.4rem; font-weight: bold; }
    .comic-title-sm { color: #666; font-size: 0.9rem; }

    .chat-row { display: flex; margin-bottom: 15px; align-items: flex-start; gap: 10px; }
    .row-right { flex-direction: row-reverse; }
    .chat-avatar { width: 40px; height: 40px; border-radius: 50%; display:flex; align-items:center; justify-content:center; flex-shrink:0; color:white; font-size:1.2rem; }
    .avi-shepherd { background: var(--accent-purple); }
    .avi-sheep { background: var(--accent-pink); }

    .chat-bubble { padding: 10px 15px; border-radius: 15px; font-size: 0.95rem; max-width: 80%; line-height: 1.5; position: relative; }
    .bubble-shepherd { background: #f3f0ff; color: #4a148c; border-top-right-radius: 0; }
    .bubble-sheep { background: #fff0f5; color: #880e4f; border-top-left-radius: 0; }

    .img-sketch { width: 100%; border: 5px solid white; box-shadow: 0 4px 10px rgba(0,0,0,0.1); transform: rotate(-1deg); margin: 10px 0; }

    .page-footer { position:absolute; bottom: 15px; width: 100%; text-align: center; color: #ccc; font-size: 0.8rem; left:0; }