/* PDF Flipbook Styles - Minimal Design */

.mc-pdf-outer-wrapper {
    background: #54585A;
}

.mc-pdf-viewer {
    position: relative;
    width: 100%;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding-top: 30px;
    perspective: 2000px;
    overflow: hidden;
    cursor: default;
    user-select: none;
    background: #54585A;
}

.mc-pdf-book {
    position: relative;
    display: inline-flex;
    justify-content: center;
    align-items: stretch;
    gap: 0;
    will-change: transform;
    transform-style: preserve-3d;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.mc-pdf-page-left,
.mc-pdf-page-right {
    background: white;
    border: none;
    box-shadow: none;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: visible;
    position: relative;
    flex-shrink: 0;
    margin: 0;
    padding: 0;
    line-height: 0;
}

.mc-pdf-page-left {
    border-right: none;
}

.mc-pdf-page-right {
    border-left: none;
}

/* Cover mode - single page centered, no spine */
.mc-pdf-book.mc-pdf-cover-mode #mcPdfPageRight {
    display: none;
}

.mc-pdf-book.mc-pdf-cover-mode::after {
    display: none;
}

/* Notebook spine - subtle center line where pages meet */
.mc-pdf-book::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, 
        rgba(0,0,0,0.03), 
        rgba(0,0,0,0.08) 20%, 
        rgba(0,0,0,0.08) 80%, 
        rgba(0,0,0,0.03));
    z-index: 5;
    pointer-events: none;
}

/* Hide spine line when only one page is visible (cover or last page) */
.mc-pdf-book.mc-pdf-last-page::after,
.mc-pdf-book.mc-pdf-cover-page::after {
    display: none !important;
}

/* 3D Flip Animation - Both Pages */
.mc-pdf-page-right {
    transform-style: preserve-3d;
    transform-origin: left center;
}

.mc-pdf-page-left {
    transform-style: preserve-3d;
    transform-origin: right center;
}

/* Flip animation classes - RIGHT PAGE (when clicking Next →) */
.mc-pdf-page-right.flipping-next {
    animation: flipRightNext 0.8s ease-in-out;
    z-index: 10; /* Bring to front during flip */
}

/* Flip animation classes - LEFT PAGE (when clicking Previous ←) */
.mc-pdf-page-left.flipping-prev {
    animation: flipLeftPrev 0.8s ease-in-out;
    z-index: 10; /* Bring to front during flip */
}

/* Keyframe for RIGHT page flipping forward (→ Next) */
@keyframes flipRightNext {
    0% {
        transform: perspective(2000px) rotateY(0deg);
        opacity: 1;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    25% {
        transform: perspective(2000px) rotateY(-25deg);
        opacity: 0.9;
        box-shadow: -5px 5px 20px rgba(0,0,0,0.3);
    }
    50% {
        transform: perspective(2000px) rotateY(-90deg);
        opacity: 0.3;
        box-shadow: -10px 10px 30px rgba(0,0,0,0.4);
    }
    75% {
        transform: perspective(2000px) rotateY(-155deg);
        opacity: 0.6;
        box-shadow: -5px 5px 20px rgba(0,0,0,0.3);
    }
    100% {
        transform: perspective(2000px) rotateY(-180deg);
        opacity: 1;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
}

/* Keyframe for LEFT page flipping backward (← Previous) */
@keyframes flipLeftPrev {
    0% {
        transform: perspective(2000px) rotateY(0deg);
        opacity: 1;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
    25% {
        transform: perspective(2000px) rotateY(25deg);
        opacity: 0.9;
        box-shadow: 5px 5px 20px rgba(0,0,0,0.3);
    }
    50% {
        transform: perspective(2000px) rotateY(90deg);
        opacity: 0.3;
        box-shadow: 10px 10px 30px rgba(0,0,0,0.4);
    }
    75% {
        transform: perspective(2000px) rotateY(155deg);
        opacity: 0.6;
        box-shadow: 5px 5px 20px rgba(0,0,0,0.3);
    }
    100% {
        transform: perspective(2000px) rotateY(180deg);
        opacity: 1;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    }
}

/* Fade effect for non-flipping page */
.mc-pdf-page-left.changing {
    transition: opacity 0.4s ease-in-out;
    opacity: 0.7;
}

.mc-pdf-page-right.changing {
    transition: opacity 0.4s ease-in-out;
    opacity: 0.7;
}

/* Fullscreen Mode Styles */
.mc-pdf-viewer:fullscreen,
.mc-pdf-viewer:-webkit-full-screen,
.mc-pdf-viewer:-moz-full-screen,
.mc-pdf-viewer:-ms-fullscreen {
    height: 100vh !important;
    width: 100vw !important;
    max-width: 100vw !important;
    margin: 0 !important;
    padding: 0 !important;
    justify-content: center !important;
    background: #2c2c2c;
    overflow: hidden !important;
    perspective: 2000px !important;
}

.mc-pdf-viewer:fullscreen .mc-pdf-book,
.mc-pdf-viewer:-webkit-full-screen .mc-pdf-book,
.mc-pdf-viewer:-moz-full-screen .mc-pdf-book,
.mc-pdf-viewer:-ms-fullscreen .mc-pdf-book {
    max-width: none;
}

.mc-pdf-viewer:fullscreen .mc-pdf-btn,
.mc-pdf-viewer:-webkit-full-screen .mc-pdf-btn,
.mc-pdf-viewer:-moz-full-screen .mc-pdf-btn,
.mc-pdf-viewer:-ms-fullscreen .mc-pdf-btn {
    width: 60px;
    height: 60px;
    font-size: 28px;
}

.mc-pdf-viewer:fullscreen .mc-pdf-btn-prev,
.mc-pdf-viewer:-webkit-full-screen .mc-pdf-btn-prev,
.mc-pdf-viewer:-moz-full-screen .mc-pdf-btn-prev,
.mc-pdf-viewer:-ms-fullscreen .mc-pdf-btn-prev {
    left: 30px;
}

.mc-pdf-viewer:fullscreen .mc-pdf-btn-next,
.mc-pdf-viewer:-webkit-full-screen .mc-pdf-btn-next,
.mc-pdf-viewer:-moz-full-screen .mc-pdf-btn-next,
.mc-pdf-viewer:-ms-fullscreen .mc-pdf-btn-next {
    right: 30px;
}

.mc-pdf-viewer:fullscreen .mc-pdf-bottom-controls,
.mc-pdf-viewer:-webkit-full-screen .mc-pdf-bottom-controls,
.mc-pdf-viewer:-moz-full-screen .mc-pdf-bottom-controls,
.mc-pdf-viewer:-ms-fullscreen .mc-pdf-bottom-controls {
    position: absolute !important;
    bottom: 30px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}

.mc-pdf-viewer:fullscreen .mc-pdf-page-counter,
.mc-pdf-viewer:-webkit-full-screen .mc-pdf-page-counter,
.mc-pdf-viewer:-moz-full-screen .mc-pdf-page-counter,
.mc-pdf-viewer:-ms-fullscreen .mc-pdf-page-counter {
    padding: 0 25px;
    font-size: clamp(12px, 1.4vw, 16px);
}

.mc-pdf-viewer:fullscreen .mc-pdf-btn-exit-fullscreen,
.mc-pdf-viewer:-webkit-full-screen .mc-pdf-btn-exit-fullscreen,
.mc-pdf-viewer:-moz-full-screen .mc-pdf-btn-exit-fullscreen,
.mc-pdf-viewer:-ms-fullscreen .mc-pdf-btn-exit-fullscreen {
    display: inline-flex !important;
    padding: 0 25px !important;
    font-size: clamp(12px, 1.4vw, 16px) !important;
}

.mc-pdf-viewer:fullscreen .mc-pdf-btn-fullscreen,
.mc-pdf-viewer:-webkit-full-screen .mc-pdf-btn-fullscreen,
.mc-pdf-viewer:-moz-full-screen .mc-pdf-btn-fullscreen,
.mc-pdf-viewer:-ms-fullscreen .mc-pdf-btn-fullscreen {
    display: none !important;
}

.mc-pdf-viewer:fullscreen .mc-pdf-btn-download,
.mc-pdf-viewer:-webkit-full-screen .mc-pdf-btn-download,
.mc-pdf-viewer:-moz-full-screen .mc-pdf-btn-download,
.mc-pdf-viewer:-ms-fullscreen .mc-pdf-btn-download {
    display: none !important;
}

.mc-pdf-viewer:fullscreen .mc-pdf-zoom-controls,
.mc-pdf-viewer:-webkit-full-screen .mc-pdf-zoom-controls,
.mc-pdf-viewer:-moz-full-screen .mc-pdf-zoom-controls,
.mc-pdf-viewer:-ms-fullscreen .mc-pdf-zoom-controls {
    padding: 0 20px;
}

.mc-pdf-viewer:fullscreen .mc-pdf-zoom-btn,
.mc-pdf-viewer:-webkit-full-screen .mc-pdf-zoom-btn,
.mc-pdf-viewer:-moz-full-screen .mc-pdf-zoom-btn,
.mc-pdf-viewer:-ms-fullscreen .mc-pdf-zoom-btn {
    width: clamp(22px, 2.2vw, 32px);
    height: clamp(22px, 2.2vw, 32px);
    font-size: clamp(14px, 1.6vw, 20px);
}

.mc-pdf-viewer:fullscreen .mc-pdf-zoom-level,
.mc-pdf-viewer:-webkit-full-screen .mc-pdf-zoom-level,
.mc-pdf-viewer:-moz-full-screen .mc-pdf-zoom-level,
.mc-pdf-viewer:-ms-fullscreen .mc-pdf-zoom-level {
    font-size: clamp(12px, 1.4vw, 16px);
    min-width: clamp(35px, 4vw, 50px);
}

.mc-pdf-page-left canvas,
.mc-pdf-page-right canvas {
    display: block;
    pointer-events: none;
    margin: 0;
    padding: 0;
}

/* Navigation Buttons - Overlay on PDF */
.mc-pdf-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(200, 16, 46, 0.75);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    transition: all 0.3s;
    font-weight: bold;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mc-pdf-btn:hover {
    background: rgba(200, 16, 46, 1);
    transform: translateY(-50%) scale(1.1);
}

.mc-pdf-btn:disabled {
    background: rgba(200, 16, 46, 0.3);
    cursor: not-allowed;
    opacity: 0.5;
}

.mc-pdf-btn-prev {
    left: 20px;
}

.mc-pdf-btn-next {
    right: 20px;
}

/* Fullscreen Button - in bottom controls bar */
.mc-pdf-btn-fullscreen {
    background: rgba(200, 16, 46, 0.75) !important;
    color: white !important;
    border: none !important;
    border-radius: 20px !important;
    cursor: pointer !important;
    font-size: clamp(10px, 1.2vw, 14px) !important;
    padding: 0 clamp(10px, 1.5vw, 22px) !important;
    height: clamp(26px, 3.5vw, 38px) !important;
    transition: all 0.3s;
    font-weight: bold !important;
    white-space: nowrap !important;
    pointer-events: auto !important;
    display: inline-flex !important;
    align-items: center !important;
    position: static !important;
    margin: 0 !important;
    float: none !important;
    box-sizing: border-box !important;
}

.mc-pdf-btn-fullscreen:hover {
    background: rgba(200, 16, 46, 1) !important;
    transform: scale(1.05);
}

/* Download PDF Button - in bottom controls bar */
.mc-pdf-btn-download,
.mc-pdf-bottom-controls .mc-pdf-btn-download {
    background: rgba(200, 16, 46, 0.75) !important;
    color: white !important;
    border: none !important;
    border-radius: 20px !important;
    cursor: pointer !important;
    font-size: clamp(10px, 1.2vw, 14px) !important;
    padding: 0 clamp(10px, 1.5vw, 22px) !important;
    height: clamp(26px, 3.5vw, 38px) !important;
    transition: all 0.3s;
    font-weight: bold !important;
    white-space: nowrap !important;
    pointer-events: auto !important;
    text-decoration: none !important;
    display: inline-flex !important;
    align-items: center !important;
    position: static !important;
    margin: 0 !important;
    float: none !important;
    box-sizing: border-box !important;
}

.mc-pdf-btn-download:hover,
.mc-pdf-bottom-controls .mc-pdf-btn-download:hover {
    background: rgba(200, 16, 46, 1) !important;
    color: white !important;
    transform: scale(1.05);
    text-decoration: none !important;
}

.mc-pdf-btn-download:active {
    color: white !important;
    text-decoration: none !important;
}

.mc-pdf-btn-download:visited {
    color: white !important;
    text-decoration: none !important;
}

/* Bottom Controls Container */
.mc-pdf-bottom-controls {
    position: absolute !important;
    bottom: 10px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    margin: 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: clamp(4px, 0.8vw, 12px) !important;
    z-index: 100 !important;
    flex-wrap: nowrap !important;
    white-space: nowrap !important;
}

/* Zoom Controls */
.mc-pdf-zoom-controls {
    display: flex;
    align-items: center;
    gap: clamp(4px, 0.6vw, 10px);
    background: rgba(200, 16, 46, 0.75);
    padding: 0 clamp(8px, 1.2vw, 18px);
    border-radius: 20px;
    height: clamp(26px, 3.5vw, 38px);
    box-sizing: border-box;
}

.mc-pdf-zoom-btn {
    width: clamp(18px, 2vw, 28px);
    height: clamp(18px, 2vw, 28px);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    font-size: clamp(12px, 1.4vw, 18px);
    font-weight: bold;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    padding: 0;
}

.mc-pdf-zoom-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.mc-pdf-zoom-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.mc-pdf-zoom-level {
    color: white;
    font-size: clamp(10px, 1.2vw, 14px);
    font-weight: bold;
    min-width: clamp(28px, 3vw, 45px);
    text-align: center;
}

/* Page Counter */
.mc-pdf-page-counter {
    background: rgba(200, 16, 46, 0.75);
    color: white;
    padding: 0 clamp(10px, 1.5vw, 22px);
    border-radius: 20px;
    font-size: clamp(10px, 1.2vw, 14px);
    font-weight: bold;
    height: clamp(26px, 3.5vw, 38px);
    display: flex;
    align-items: center;
    box-sizing: border-box;
    white-space: nowrap;
}

/* Exit Fullscreen Button - Hidden by default */
.mc-pdf-btn-exit-fullscreen {
    padding: 0 clamp(10px, 1.5vw, 22px);
    height: clamp(26px, 3.5vw, 38px);
    background: rgba(200, 16, 46, 0.75);
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: clamp(10px, 1.2vw, 14px);
    transition: all 0.3s;
    font-weight: bold;
    display: none;
    align-items: center;
    white-space: nowrap;
    box-sizing: border-box;
}

.mc-pdf-btn-exit-fullscreen:hover {
    background: rgba(200, 16, 46, 1);
    transform: scale(1.05);
}


.mc-pdf-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 18px;
    color: #34495e;
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 40px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    text-align: center;
    z-index: 1000;
}

.mc-pdf-loading-spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: mc-pdf-spin 1s linear infinite;
    margin: 0 auto 10px;
}

@keyframes mc-pdf-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ── Issuu-style page flip ─────────────────────────────────── */

/* Static snapshot — freezes the non-flipping page during animation */
.mc-pdf-static-overlay {
    position: absolute;
    z-index: 199;
    pointer-events: none;
    overflow: hidden;
}

.mc-pdf-static-overlay img {
    display: block;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Outer wrapper: rotates as a 3D scene */
.mc-pdf-flip-wrap {
    position: absolute;
    z-index: 200;
    pointer-events: none;
    transform-style: preserve-3d;
}

/* Both faces: absolutely fill the wrapper */
.mc-pdf-flip-front,
.mc-pdf-flip-back {
    position: absolute;
    inset: 0;
    overflow: hidden;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    background: #f8f6f1; /* paper colour shown if page not yet rendered */
}

.mc-pdf-flip-front img,
.mc-pdf-flip-back img {
    display: block;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* Back face starts rotated 180° so it faces the viewer when wrapper reaches ±180° */
.mc-pdf-flip-back {
    transform: rotateY(180deg);
}

/* Shadow overlay on front face (deepens toward the fold edge) */
.mc-pdf-flip-shadow-front {
    position: absolute;
    inset: 0;
    opacity: 0;
    pointer-events: none;
}

/* Shadow overlay on back face (fades out as page lands) */
.mc-pdf-flip-shadow-back {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* ── Next page: right page folds to the left ── */
.mc-flip-animate-left {
    transform-origin: left center;
    animation: mcFlipAnimLeft 0.7s cubic-bezier(0.645, 0.045, 0.355, 1.000) forwards;
}

.mc-flip-animate-left .mc-pdf-flip-shadow-front {
    background: linear-gradient(to left, transparent 30%, rgba(0,0,0,0.35) 100%);
    animation: mcFlipShadowIn 0.35s ease-in forwards;
}

.mc-flip-animate-left .mc-pdf-flip-shadow-back {
    background: linear-gradient(to right, rgba(0,0,0,0.3) 0%, transparent 55%);
    animation: mcFlipShadowOut 0.35s ease-out forwards;
    animation-delay: 0.35s;
}

/* ── Prev page: left page folds to the right ── */
.mc-flip-animate-right {
    transform-origin: right center;
    animation: mcFlipAnimRight 0.7s cubic-bezier(0.645, 0.045, 0.355, 1.000) forwards;
}

.mc-flip-animate-right .mc-pdf-flip-shadow-front {
    background: linear-gradient(to right, transparent 30%, rgba(0,0,0,0.35) 100%);
    animation: mcFlipShadowIn 0.35s ease-in forwards;
}

.mc-flip-animate-right .mc-pdf-flip-shadow-back {
    background: linear-gradient(to left, rgba(0,0,0,0.3) 0%, transparent 55%);
    animation: mcFlipShadowOut 0.35s ease-out forwards;
    animation-delay: 0.35s;
}

@keyframes mcFlipAnimLeft  { from { transform: rotateY(0deg);    } to { transform: rotateY(-180deg); } }
@keyframes mcFlipAnimRight { from { transform: rotateY(0deg);    } to { transform: rotateY(180deg);  } }
@keyframes mcFlipShadowIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes mcFlipShadowOut { from { opacity: 1; } to { opacity: 0; } }

/* ─────────────────────────────────────────────────────────── */

/* Tablet - landscape and smaller desktops */
@media (max-width: 1024px) {

    .mc-pdf-btn {
        width: 45px;
        height: 45px;
        font-size: 22px;
    }
    
    .mc-pdf-btn-prev {
        left: 10px;
    }
    
    .mc-pdf-btn-next {
        right: 10px;
    }
    
}

/* Tablet - portrait */
@media (max-width: 768px) {

    .mc-pdf-btn {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .mc-pdf-btn-prev {
        left: 5px;
    }
    
    .mc-pdf-btn-next {
        right: 5px;
    }
    
}

/* Mobile phones */
@media (max-width: 480px) {

    .mc-pdf-btn {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
    
    .mc-pdf-btn-prev {
        left: 3px;
    }
    
    .mc-pdf-btn-next {
        right: 3px;
    }
    
}