/* =========================================
   VARIABLES & DESIGN TOKENS
   ========================================= */
:root {
    /* Shared colors / Tokens */
    --color-yellow: #FACC15;
    --color-yellow-hover: #eab308;
    --radius-bento: 2rem;
    --radius-pill: 9999px;
    --font-main: "San Francisco", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Light Theme Variables (Base) */
:root, :root[data-theme="light"] {
    --color-primary: #0B1527; /* Navy blue for links/buttons in light mode */
    --color-primary-hover: #1e293b;

    --bg-body: #f8fafc;
    --bg-header: rgba(255, 255, 255, 0.85);
    --bg-card: #ffffff;
    --bg-input: #f8fafc;
    --bg-input-focus: #ffffff;
    --bg-conditions: #f1f5f9;
    --bg-footer: rgba(255, 255, 255, 0.95);
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-nav: #0f172a;
    --text-logo: #0f172a;
    --text-card: #0f172a;
    
    --border-color: #e2e8f0;
    --border-header: rgba(0, 0, 0, 0.05);
    
    --shadow-soft: 0 10px 40px -10px rgba(15, 23, 42, 0.08);
    
    --nav-bg-default: rgba(0, 0, 0, 0.03);
    --nav-bg-hover: rgba(0, 0, 0, 0.08);
    
    --bg-anim-lights: rgba(250, 204, 21, 0.05);
    --bg-anim-lines-major: rgba(15, 23, 42, 0.03);
    --bg-anim-lines-minor: rgba(15, 23, 42, 0.015);
}

/* Dark Theme Variables */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-primary: #FACC15; /* Yellow for links/buttons in dark mode */
        --color-primary-hover: #eab308;
        
        --bg-body: #0B1527;
        --bg-header: rgba(11, 21, 39, 0.85);
        --bg-card: #1e293b;
        --bg-input: #0f172a;
        --bg-input-focus: #1e293b;
        --bg-conditions: #0f172a;
        --bg-footer: rgba(11, 21, 39, 0.95);
        
        --text-main: #f8fafc;
        --text-muted: #94a3b8;
        --text-nav: #f8fafc;
        --text-logo: #f8fafc;
        --text-card: #f8fafc;
        
        --border-color: #334155;
        --border-header: rgba(255, 255, 255, 0.1);
        
        --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
        
        --nav-bg-default: rgba(255, 255, 255, 0.05);
        --nav-bg-hover: rgba(255, 255, 255, 0.1);
        
        --bg-anim-lights: rgba(250, 204, 21, 0.025);
        --bg-anim-lines-major: rgba(255, 255, 255, 0.03);
        --bg-anim-lines-minor: rgba(255, 255, 255, 0.015);
    }
}

:root[data-theme="dark"] {
    --color-primary: #FACC15; /* Yellow for links/buttons in dark mode */
    --color-primary-hover: #eab308;
    
    --bg-body: #0B1527;
    --bg-header: rgba(11, 21, 39, 0.85);
    --bg-card: #1e293b;
    --bg-input: #0f172a;
    --bg-input-focus: #1e293b;
    --bg-conditions: #0f172a;
    --bg-footer: rgba(11, 21, 39, 0.95);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-nav: #f8fafc;
    --text-logo: #f8fafc;
    --text-card: #f8fafc;
    
    --border-color: #334155;
    --border-header: rgba(255, 255, 255, 0.1);
    
    --shadow-soft: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
    
    --nav-bg-default: rgba(255, 255, 255, 0.05);
    --nav-bg-hover: rgba(255, 255, 255, 0.1);
    
    --bg-anim-lights: rgba(250, 204, 21, 0.025);
    --bg-anim-lines-major: rgba(255, 255, 255, 0.03);
    --bg-anim-lines-minor: rgba(255, 255, 255, 0.015);
}

/* =========================================
   RESET & BASE
   ========================================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}
a:hover {
    color: var(--color-primary-hover);
}

/* =========================================
   BACKGROUND ANIMATION (HISTORICAL MAP OF QUEDLINBURG)
   ========================================= */
#bg-animation {
    position: fixed;
    inset: -5%; /* Slight bleed to allow for slow panning */
    z-index: -1;
    pointer-events: none;
    background-color: var(--bg-body);
    
    /* Very soft ambient lights scanning over the historical map */
    background-image: 
        radial-gradient(circle at 30% 40%, rgba(250, 204, 21, 0.025) 0%, transparent 60%),
        radial-gradient(circle at 70% 60%, rgba(45, 212, 191, 0.02) 0%, transparent 60%);
    background-size: 200% 200%;
    animation: mapLights 30s ease-in-out infinite alternate;
}

@keyframes mapLights {
    0%   { background-position: 10% 10%, 90% 90%; }
    100% { background-position: 90% 90%, 10% 10%; }
}

/* Stylized animated SVG of Quedlinburg's medieval street layout */
#bg-animation::before {
    content: '';
    position: absolute;
    inset: 0;
    /* 
      Extremely subtle opacity values so it barely lifts off the background.
    */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1000 1000' preserveAspectRatio='xMidYMid slice'%3E%3Cstyle%3E .street %7B fill: none; stroke: rgba(255, 255, 255, 0.03); stroke-width: 2.5; stroke-dasharray: 2000; stroke-dashoffset: 2000; animation: draw 15s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate; %7D .street-minor %7B fill: none; stroke: rgba(255, 255, 255, 0.015); stroke-width: 1.5; stroke-dasharray: 1000; stroke-dashoffset: 1000; animation: draw 20s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate-reverse; %7D .river %7B fill: none; stroke: rgba(255, 255, 255, 0.02); stroke-width: 12; stroke-linecap: round; stroke-dasharray: 3000; stroke-dashoffset: 3000; animation: draw 25s ease-in-out infinite alternate; %7D .castle %7B fill: none; stroke: rgba(255, 255, 255, 0.04); stroke-width: 2; animation: pulse 6s infinite alternate; %7D @keyframes draw %7B 0%25 %7B stroke-dashoffset: 2000; %7D 100%25 %7B stroke-dashoffset: 0; %7D %7D @keyframes pulse %7B 0%25 %7B opacity: 0.2; %7D 100%25 %7B opacity: 1; %7D %7D %3C/style%3E%3Cpath class='river' d='M -100,800 C 200,900 400,950 600,850 S 850,600 900,300 S 1000,100 1100,0' /%3E%3Cpath class='castle' d='M 250,650 C 320,580 420,600 450,680 C 420,750 300,750 250,650 Z' /%3E%3Cpath class='castle' d='M 280,650 C 320,610 380,630 400,680 C 380,720 300,710 280,650 Z' /%3E%3Cpath class='castle' d='M 100,550 C 150,500 200,520 220,580 C 180,620 120,600 100,550 Z' /%3E%3Cpath class='street' d='M 500,400 Q 400,450 350,580' /%3E%3Cpath class='street' d='M 500,400 Q 550,250 650,200' /%3E%3Cpath class='street' d='M 500,400 Q 600,500 750,550' /%3E%3Cpath class='street' d='M 500,400 Q 350,350 250,200' /%3E%3Cpath class='street' d='M 350,580 Q 250,450 150,400' /%3E%3Cpath class='street' d='M 750,550 Q 800,700 700,800' /%3E%3Cpath class='street' d='M 650,200 Q 800,250 900,400' /%3E%3Cpath class='street-minor' d='M 450,300 Q 550,350 600,450' /%3E%3Cpath class='street-minor' d='M 400,500 Q 500,600 650,600' /%3E%3Cpath class='street-minor' d='M 300,300 Q 400,200 550,300' /%3E%3Cpath class='street-minor' d='M 700,350 Q 650,500 800,600' /%3E%3Cpath class='street-minor' d='M 200,300 Q 300,400 250,500' /%3E%3Cpath class='street-minor' d='M 800,450 Q 950,550 850,750' /%3E%3Cpath class='street-minor' d='M 550,650 Q 450,750 500,850' /%3E%3Cpath class='street-minor' d='M 300,750 Q 400,850 600,800' /%3E%3C/svg%3E");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    
    /* Extremely slow pan to give it life */
    animation: panMap 40s ease-in-out infinite alternate;
}

@keyframes panMap {
    0%   { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.05) translate(-2%, 2%); }
}

/* =========================================
   HEADER & NAVIGATION
   ========================================= */
.main-header {
    background: var(--bg-header);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-header);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--text-logo);
    margin: 0;
    letter-spacing: 1px;
}
.logo p {
    font-size: 0.8rem;
    color: var(--color-yellow);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.main-nav {
    display: flex;
    gap: 1.5rem;
}
.main-nav a {
    color: var(--text-nav);
    font-weight: 600;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-pill);
    background: var(--nav-bg-default);
    border: 1px solid var(--border-header);
    transition: all 0.3s ease;
    position: relative;
    text-decoration: none;
    letter-spacing: 0.5px;
}
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease, opacity 0.3s ease;
    opacity: 0;
    border-radius: 2px;
}
.main-nav a:hover::after, .main-nav a.active::after {
    width: 50%;
    opacity: 1;
}
.main-nav a:hover, .main-nav a.active {
    color: var(--color-primary);
    background: var(--nav-bg-hover);
    border-color: var(--color-primary);
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        text-align: center;
    }
}

/* =========================================
   PAGE CONTENT
   ========================================= */
.page-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 1rem 1rem 1rem; /* No top padding to push viewer up */
    width: 100%;
    max-width: 1800px; /* Extremely wide support */
    margin: 0 auto;
}

@media (max-width: 768px) {
    .page-content {
        padding: 0.5rem; /* Maximize width on mobile */
    }
    .flipbook-container {
        height: calc(100vh - 120px) !important;
        min-height: 400px;
    }
}

/* =========================================
   THEME SWITCHER
   ========================================= */
.theme-switcher {
    display: inline-flex;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    padding: 0.35rem;
    gap: 0.25rem;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}
.theme-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.theme-btn:hover {
    color: var(--text-main);
}
.theme-btn.active {
    background: var(--text-main);
    color: var(--bg-body);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.theme-btn svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

/* =========================================
   FLIPBOOK SECTION
   ========================================= */
.flipbook-section {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-grow: 1;
}
.section-header {
    margin-bottom: 1.5rem;
}
.badge {
    background: var(--color-primary);
    color: var(--bg-body);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-pill);
    font-size: 1rem;
    font-weight: 600;
}
.deadline-text {
    color: var(--color-text-muted);
    font-weight: normal;
    font-size: 0.9em;
    margin-left: 0.5rem;
}

.flipbook-container {
    width: 100%;
    max-width: 100%;
    height: calc(100vh - 120px); /* Maximized height */
    min-height: 400px;
    background: transparent;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.flipbook {
    background: transparent;
    box-shadow: none;
}

.page {
    background-color: white;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    /* Hardware acceleration to prevent flickering during 3D transform */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
    will-change: transform;
}
.page img {
    /* Prevent image flickering on some browsers */
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
}

/* =========================================
   UPLOAD CARD (leserfoto.html & kontakt.html)
   ========================================= */
.upload-section {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.bento-card {
    background-color: var(--bg-card);
    color: var(--text-card);
    border-radius: var(--radius-bento);
    padding: 2.5rem;
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
}

/* =========================================
   FORMS & UPLOAD
   ========================================= */
.hp-field { display: none; }
.form-group { margin-bottom: 1.5rem; }
.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}
.form-group input[type="email"],
.form-group input[type="file"] {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    color: var(--text-main);
    border: 2px solid var(--border-color);
    border-radius: 0.75rem;
    font-family: inherit;
    transition: var(--transition-smooth);
}
.form-group input[type="email"]:focus {
    outline: none;
    border-color: var(--color-primary);
}
.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}
.checkbox-group input { margin-top: 0.25rem; }
.checkbox-group label { margin-bottom: 0; font-weight: normal; }

.text-button {
    background: none;
    border: none;
    color: var(--color-primary);
    font-size: inherit;
    font-family: inherit;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
}
.text-button:hover {
    color: var(--color-primary-hover);
}

.conditions-content {
    background: var(--bg-conditions);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    max-height: 300px;
    overflow-y: auto;
    transition: var(--transition-smooth);
}
.conditions-content.hidden {
    display: none;
}
.conditions-content h1, .conditions-content h2, .conditions-content h3 {
    font-size: 1.1rem;
    margin-top: 1rem;
    color: var(--text-main);
}

.cta-button {
    background-color: var(--color-primary);
    color: var(--bg-body);
    border: none;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-pill);
    font-size: 1rem;
    font-weight: 700;
    width: 100%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
}
.cta-button:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}
.cta-button:disabled {
    background-color: #cbd5e1;
    color: #94a3b8;
    cursor: not-allowed;
}

.pow-status {
    font-size: 0.875rem;
    color: #ef4444;
    margin-bottom: 1rem;
    text-align: center;
}
.pow-status.success { color: #10b981; }
#form-feedback {
    margin-top: 1rem;
    text-align: center;
    font-weight: 600;
}

/* =========================================
   FOOTER
   ========================================= */
.main-footer {
    background: var(--bg-footer);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--border-header);
    margin-top: auto;
}
.footer-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.footer-nav a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    text-decoration: none;
}
.footer-nav a:hover, .footer-nav a.active {
    color: var(--text-main);
}
.copyright {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

/* =========================================
   MODAL / DYNAMIC CONTENT
   ========================================= */
.modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s;
}
.modal.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 800px;
    max-height: 85vh;
    overflow-y: auto;
    z-index: 1001;
    transform: translateY(0);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.modal.hidden .modal-content {
    transform: translateY(20px);
}

.close-modal {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-main);
    transition: var(--transition-smooth);
}
.close-modal:hover {
    background: #e2e8f0;
    transform: rotate(90deg);
}

.modal-body {
    padding-right: 2rem;
}
.modal-body h1, .modal-body h2 {
    color: var(--text-main);
    margin-top: 1.5rem;
}
.modal-body p {
    margin-bottom: 1rem;
}

/* =========================================
   MODERN FORM UI (2026)
   ========================================= */
.modern-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}
@media (max-width: 600px) {
    .form-row { flex-direction: column; gap: 1.5rem; }
}

.floating {
    position: relative;
    width: 100%;
}
.floating input, .floating textarea {
    width: 100%;
    padding: 1.2rem 1rem 0.6rem;
    border: 2px solid var(--border-color);
    border-radius: 1rem;
    background: var(--bg-input);
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-smooth);
    resize: vertical;
}
.floating input:focus, .floating textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--bg-input-focus);
    box-shadow: 0 0 0 4px rgba(11, 21, 39, 0.05);
}
.floating label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--color-text-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: var(--transition-smooth);
    transform-origin: left top;
}
.floating input:focus ~ label,
.floating input:not(:placeholder-shown) ~ label,
.floating textarea:focus ~ label,
.floating textarea:not(:placeholder-shown) ~ label {
    transform: translateY(-0.6rem) scale(0.75);
    color: var(--text-main);
    font-weight: 600;
}

.upload-group { margin-bottom: 0 !important; }
.upload-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}
.upload-drop-area {
    border: 2px dashed var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    background: var(--bg-input);
    cursor: pointer;
    transition: var(--transition-smooth);
}
.upload-drop-area:hover {
    border-color: var(--color-primary);
    background: var(--nav-bg-default);
}
.upload-icon {
    color: #94a3b8;
    margin-bottom: 1rem;
    transition: var(--transition-smooth);
}
.upload-drop-area:hover .upload-icon {
    color: var(--color-primary);
    transform: translateY(-5px);
}
.upload-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
}

.preview-container {
    position: relative;
    width: 100%;
    margin-top: -0.5rem;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}
.hidden-smooth {
    display: none !important;
}
.preview-container img {
    width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: cover;
    display: block;
}
.remove-preview-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: rgba(11, 21, 39, 0.7);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}
.remove-preview-btn:hover {
    background: #ef4444;
}

.modern-submit {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 2rem;
    font-size: 1.1rem;
}
.modern-submit svg {
    transition: var(--transition-smooth);
}
.modern-submit:hover:not(:disabled) svg {
    transform: translateX(5px);
}
@media (max-width: 768px) {
    .header-container {
        padding: 0.5rem 1rem;
        flex-direction: column;
        gap: 0.5rem;
    }
    .logo h1 {
        font-size: 1.2rem;
    }
    .logo p {
        font-size: 0.7rem;
    }
    .main-nav {
        gap: 0.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    .main-nav a {
        padding: 0.4rem 0.8rem;
        font-size: 0.85rem;
    }
}
.flipbook-loader {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: calc(100vh - 120px);
    min-height: 400px;
    color: var(--text-main);
}
.loader-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--border-color);
    border-top: 5px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.flipbook-click-overlay {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 50%;
    z-index: 50;
    cursor: pointer;
}
.flipbook-click-left { left: 0; }
.flipbook-click-right { right: 0; }