/* IMPORT GOOGLE FONTS */
@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400..800;1,400..800&family=Inconsolata:wght@200..900&family=Lato:ital,wght@0,100;0,300;0,400;0,700;0,900;1,100;1,300;1,400;1,700;1,900&family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Merriweather:ital,wght@0,300;0,400;0,700;0,900;1,300;1,400;1,700;1,900&family=Montserrat:ital,wght@0,100..900;1,100..900&family=Nunito:ital,wght@0,200..1000;1,200..1000&family=Open+Sans:ital,wght@0,300..800;1,300..800&family=Patrick+Hand&family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,700;1,800;1,900&family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&family=Roboto+Slab:wght@100..900&display=swap');

/* --- READER VARIABLES & THEMES --- */
:root {
    /* Default (Light) */
    --reader-bg: #f3f3f3;
    --reader-text: #333333;
    --reader-font: 'Lora', serif;
    --reader-base-size: 18px;
    --reader-line-height: 1.8;
}

/* Sepia Theme */
[data-theme="sepia"] {
    --reader-bg: #f4ecd8;
    --reader-text: #5b4636;
}

/* Dark Theme */
[data-theme="dark"] {
    --reader-bg: #1a1a1a;
    --reader-text: #d0d0d0;
}

/* --- FONT OVERRIDES --- */
/* Serif */
[data-font="lora"]              { --reader-font: 'Lora', serif; }
[data-font="merriweather"]      { --reader-font: 'Merriweather', serif; --reader-line-height: 1.85; }
[data-font="playfair"]          { --reader-font: 'Playfair Display', serif; }
[data-font="roboto-slab"]       { --reader-font: 'Roboto Slab', serif; }
[data-font="libre-baskerville"] { --reader-font: 'Libre Baskerville', serif; --reader-line-height: 1.85; }
[data-font="eb-garamond"]       { --reader-font: 'EB Garamond', serif; --reader-base-size: 20px; /* Garamond is naturally small */ }

/* Sans-Serif */
[data-font="inter"]       { --reader-font: 'Inter', sans-serif; --reader-line-height: 1.6; }
[data-font="roboto"]      { --reader-font: 'Roboto', sans-serif; --reader-line-height: 1.6; }
[data-font="open-sans"]   { --reader-font: 'Open Sans', sans-serif; --reader-line-height: 1.6; }
[data-font="montserrat"]  { --reader-font: 'Montserrat', sans-serif; --reader-line-height: 1.6; }
[data-font="lato"]        { --reader-font: 'Lato', sans-serif; --reader-line-height: 1.6; }
[data-font="poppins"]     { --reader-font: 'Poppins', sans-serif; --reader-line-height: 1.7; }
[data-font="nunito"]      { --reader-font: 'Nunito', sans-serif; --reader-line-height: 1.6; }

/* Other */
[data-font="inconsolata"]  { --reader-font: 'Inconsolata', monospace; --reader-base-size: 17px; }
[data-font="patrick-hand"] { --reader-font: 'Patrick Hand', cursive; --reader-base-size: 20px; }


/* --- MAIN LAYOUT --- */
.reader-main {
    max-width: 800px;
    margin: 0 auto;
    padding: calc(70px + 3rem) 2rem 4rem 2rem; 
    min-height: calc(100vh - 85px);
}

.reader-main h1 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.reader-container {
    background-color: var(--reader-bg);
    color: var(--reader-text);
    border-radius: 8px;
    padding: 3rem 4rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    min-height: 50vh;
    position: relative; 
    transition: background-color 0.3s, color 0.3s;
}

/* --- NEW: MENU / HAMBURGER STYLES --- */
.reader-menu-container {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 100;
}

.reader-menu-trigger {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(0,0,0,0.05);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    color: var(--reader-text);
}

.reader-menu-trigger:hover {
    background-color: rgba(0,0,0,0.1);
    transform: rotate(90deg); /* Rotate icon on hover */
}

.reader-menu-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 180px;
    padding: 8px 0;
    display: none; /* Hidden by default */
    border: 1px solid rgba(0,0,0,0.1);
    z-index: 101; 
    
    /* Animation origin set to top right (where button is) */
    transform-origin: top right; 
}

/* Dark mode menu */
[data-theme="dark"] .reader-menu-dropdown {
    background-color: #222;
    border-color: #444;
}

/* Show menu on hover of container OR when .show class is present */
.reader-menu-container:hover .reader-menu-dropdown,
.reader-menu-dropdown.show {
    display: block;
    animation: menuExpand 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

/* Morphing Animation: Expands out from the button */
@keyframes menuExpand {
    0% { 
        opacity: 0; 
        transform: scale(0.5) translateY(-20px);
    }
    100% { 
        opacity: 1; 
        transform: scale(1) translateY(0); 
    }
}

/* --- MENU ITEMS (Buttons) --- */
.reader-menu-btn {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 10px 16px;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    color: #333;
    font-size: 0.95rem;
    transition: background-color 0.2s;
}

[data-theme="dark"] .reader-menu-btn {
    color: #eee;
}

.reader-menu-btn:hover {
    background-color: #f5f5f5;
}
[data-theme="dark"] .reader-menu-btn:hover {
    background-color: #333;
}

.reader-menu-icon {
    margin-right: 12px;
    display: flex;
    align-items: center;
}
.reader-menu-icon svg {
    width: 18px;
    height: 18px;
}

/* Specific Button States */
.reader-menu-btn.speaking {
    color: #E50914;
    font-weight: 600;
}

.reader-menu-btn.saved {
    color: #4CAF50;
    font-weight: 600;
}

/* --- CONTENT STYLES --- */
#reader-content {
    font-family: var(--reader-font);
    font-size: var(--reader-base-size);
    line-height: var(--reader-line-height);
}

#reader-content p {
    margin-bottom: 1.5em;
}

/* --- PAGINATION STYLES --- */
.pagination-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
}

.pagination-controls span {
    font-size: 1rem;
    color: var(--text-color-secondary);
    margin: 0 auto; 
}

@media (max-width: 768px) {
    .reader-container {
        padding: 2rem;
    }
}