.smartembed-pdf-app-container {
position: relative;
border-radius: 8px;
overflow: hidden;
box-shadow: 0 10px 30px rgba(0,0,0,0.3); font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; } .smartembed-pdf-app-container:fullscreen,
.smartembed-pdf-app-container:-webkit-full-screen,
.smartembed-pdf-app-container:-moz-full-screen,
.smartembed-pdf-app-container:-ms-fullscreen {
width:  100vw !important;
height: 100vh !important;
max-width:  100vw !important;
max-height: 100vh !important;
border-radius: 0 !important;
margin: 0 !important;
padding: 0 !important;
top: 0 !important;
left: 0 !important;
}
.smartembed-pdf-app-container:fullscreen .smartembed-pdf-viewer-ui,
.smartembed-pdf-app-container:-webkit-full-screen .smartembed-pdf-viewer-ui,
.smartembed-pdf-app-container:-moz-full-screen .smartembed-pdf-viewer-ui {
width:  100% !important;
height: 100% !important;
}
.smartembed-pdf-app-container:fullscreen .flipbook-mode,
.smartembed-pdf-app-container:-webkit-full-screen .flipbook-mode,
.smartembed-pdf-app-container:-moz-full-screen .flipbook-mode {
height: calc(100vh - 70px) !important; }
.smartembed-pdf-app-container:fullscreen .smartembed-pdf-scroll-area:not(.flipbook-mode),
.smartembed-pdf-app-container:-webkit-full-screen .smartembed-pdf-scroll-area:not(.flipbook-mode),
.smartembed-pdf-app-container:-moz-full-screen .smartembed-pdf-scroll-area:not(.flipbook-mode) {
height: calc(100vh - 70px) !important;
} .custom-premium-layout {
display: flex;
flex-direction: column;
width: 100%;
height: 100%;
background: transparent !important; position: relative;
overflow: hidden;
} .smartembed-dark-mode .custom-premium-layout {
background: transparent !important;
} .smartembed-dark-mode canvas,
.smartembed-dark-mode .st-page {
filter: invert(1) hue-rotate(180deg) brightness(95%) contrast(95%);
} .smartembed-pdf-scroll-area {
flex-grow: 1;
overflow: auto;
display: block;
text-align: center;
padding: 30px 80px 90px 80px;
box-sizing: border-box;
} .smartembed-pdf-page-canvas {
max-width: none;
height: auto !important;
box-shadow: 0 4px 20px rgba(0,0,0,0.4);
margin: 0 auto 20px auto;
background: #fff;
display: block;
will-change: transform;
} .smartembed-page-wrapper {
margin-bottom: 20px;
display: block;
} .flipbook-mode {
padding: 0;
overflow: visible;
display: flex !important;
align-items: center;
justify-content: center;
width: 100%;
height: calc(100% - 0px); box-sizing: border-box;
background: #5a5a5a; }
.flipbook-mode .smartembed-pdf-pages-container {
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
overflow: hidden;
} .smartembed-flipbook-container {
margin: 0 auto;
display: flex;
align-items: center;
justify-content: center;
transform-origin: center center;
max-width: 95%;
overflow: visible;
} .smartembed-flipbook-container.se-flipbook-zoomed {
cursor: grab;
}
.smartembed-flipbook-container.se-flipbook-dragging,
.smartembed-flipbook-container.se-flipbook-dragging * {
cursor: grabbing !important;
user-select: none !important;
} .my-page {
background-color: #ffffff !important;
overflow: hidden;
width: 100%;
height: 100%;
}
.my-page canvas {
display: block;
width: 100% !important;
height: 100% !important;
object-fit: contain;
will-change: transform;
} .smartembed-watermark-overlay {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%) rotate(-45deg);
font-size: 6rem;
font-weight: bold;
color: rgba(0,0,0,0.05);
pointer-events: none;
white-space: nowrap;
z-index: 10;
} .smartembed-nav-arrow {
position: absolute;
top: 50%;
transform: translateY(-50%);
background: rgba(0, 0, 0, 0.5);
border: 2px solid rgba(255, 255, 255, 0.8);
color: #ffffff;
width: 44px;
height: 80px;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
transition: background 0.2s, border-color 0.2s, transform 0.2s;
z-index: 50;
border-radius: 6px;
padding: 0;
outline: none;
}
.smartembed-nav-arrow:hover {
background: rgba(0, 0, 0, 0.75);
border-color: #ffffff;
transform: translateY(-50%) scale(1.05);
}
.smartembed-nav-arrow svg {
width: 28px !important;
height: 28px !important;
stroke: #ffffff !important;
fill: none !important;
stroke-width: 2.5px !important;
display: block !important;
flex-shrink: 0;
}
.smartembed-prev-page {
left: 12px;
}
.smartembed-next-page {
right: 12px;
} .smartembed-toolbar-wrapper {
position: absolute;
bottom: 32px;
left: 0;
width: 100%;
display: flex;
justify-content: center;
pointer-events: none;
z-index: 50;
}
.smartembed-bottom-toolbar {
pointer-events: auto;
width: max-content;
background: rgba(45, 45, 45, 0.95);
backdrop-filter: blur(8px);
border-radius: 8px;
box-shadow: 0 4px 20px rgba(0,0,0,0.5);
display: flex;
align-items: center;
padding: 4px 6px;
gap: 2px;
white-space: nowrap;
border: 1px solid rgba(255,255,255,0.2);
transition: background 0.2s, border-color 0.2s;
}
.smartembed-tpl-name {
font-size: 12px;
font-weight: 700;
color: #2e3a59;
margin-bottom: 4px;
}
.smartembed-tpl-desc {
font-size: 10px;
color: #8f9bb3;
} .smartembed-tilt-enabled {
perspective: 1500px;
}
.smartembed-tilt-enabled .st-page {
transition: transform 0.3s ease-out;
}
.smartembed-tilt-enabled:hover {
transform: rotateY(5deg) rotateX(2deg) !important;
} .smartembed-tpl-binder::before {
content: '';
position: absolute;
top: 0;
bottom: 0;
left: 50%;
transform: translateX(-50%);
width: 30px;
background: repeating-linear-gradient(
0deg,
transparent,
transparent 15px,
#333 15px,
#333 20px
);
z-index: 999;
pointer-events: none;
border-radius: 4px;
box-shadow: inset 0 0 5px rgba(0,0,0,0.5);
}   .smartembed-tpl-3d {
box-shadow: 
inset 4px 0 10px rgba(0, 0, 0, 0.1),
inset -1px 0 2px rgba(255, 255, 255, 0.3),
5px 5px 15px rgba(0, 0, 0, 0.3),
15px 15px 35px rgba(0,0,0,0.45) !important;
border-radius: 4px 12px 12px 4px;
background: #fdfdfd;
}
.smartembed-tpl-3d .my-page {
border-radius: 2px 8px 8px 2px;
background: linear-gradient(to right, #e8e8e8 0%, #ffffff 5%, #ffffff 98%, #f0f0f0 100%) !important;
box-shadow: inset 1px 0 5px rgba(0,0,0,0.1);
}
.smartembed-tpl-3d .st-page {
border-left: 1px solid rgba(0,0,0,0.05);
}
.smartembed-tpl-3d .my-page::after {
content: '';
position: absolute;
top: 0; left: 0; right: 0; bottom: 0;
box-shadow: inset 0 0 20px rgba(0,0,0,0.1);
pointer-events: none;
} .smartembed-tpl-3d .my-page[data-side="left"],
.smartembed-tpl-hardcover .my-page[data-side="left"],
.smartembed-tpl-binder .my-page[data-side="left"] {
border-radius: 4px 0 0 4px;
box-shadow: 
-1px 1px 0px #ffffff,
-2px 2px 0px #e2e8f0,
-3px 3px 0px #ffffff,
-4px 4px 0px #e2e8f0,
-5px 5px 0px #ffffff,
-6px 6px 0px #e2e8f0,
-1px 1px 2px rgba(0,0,0,0.1),
-3px 3px 3px rgba(0,0,0,0.15),
-6px 6px 15px rgba(0,0,0,0.3) !important;
border-right: none;
}
.smartembed-tpl-3d .my-page[data-side="right"],
.smartembed-tpl-hardcover .my-page[data-side="right"],
.smartembed-tpl-binder .my-page[data-side="right"] {
border-radius: 0 4px 4px 0;
box-shadow: 
1px 1px 0px #ffffff,
2px 2px 0px #e2e8f0,
3px 3px 0px #ffffff,
4px 4px 0px #e2e8f0,
5px 5px 0px #ffffff,
6px 6px 0px #e2e8f0,
1px 1px 2px rgba(0,0,0,0.1),
3px 3px 3px rgba(0,0,0,0.15),
6px 6px 15px rgba(0,0,0,0.3) !important;
border-left: none;
} .smartembed-tpl-2d {
box-shadow: 0 4px 20px rgba(0,0,0,0.15) !important;
border-radius: 2px;
}
.smartembed-tpl-2d .my-page {
border-radius: 2px;
} .smartembed-tpl-2d .my-page[data-side="left"]::after {
content: '';
position: absolute;
top: 0; right: 0; bottom: 0; width: 40px;
background: linear-gradient(to left, rgba(0,0,0,0.12) 0%, rgba(0,0,0,0.02) 40%, rgba(0,0,0,0) 100%);
pointer-events: none;
z-index: 10;
}
.smartembed-tpl-2d .my-page[data-side="right"]::after {
content: '';
position: absolute;
top: 0; left: 0; bottom: 0; width: 40px;
background: linear-gradient(to right, rgba(0,0,0,0.12) 0%, rgba(0,0,0,0.02) 40%, rgba(0,0,0,0) 100%);
pointer-events: none;
z-index: 10;
} .smartembed-tpl-2d .my-page[data-side="left"] {
box-shadow: inset -1px 0 3px rgba(0,0,0,0.05) !important;
border-right: 1px solid rgba(0,0,0,0.08) !important;
}
.smartembed-tpl-2d .my-page[data-side="right"] {
box-shadow: inset 1px 0 3px rgba(0,0,0,0.05) !important;
border-left: 1px solid rgba(0,0,0,0.08) !important;
} .smartembed-tpl-hardcover .my-page[data-density="hard"] {
background-color: #fcfcfc !important;
border: 1px solid #dcdcdc;
box-shadow: 
3px 3px 15px rgba(0,0,0,0.4),
inset 0 0 10px rgba(0,0,0,0.15) !important;
border-radius: 6px !important;
}
.smartembed-tpl-hardcover .my-page[data-density="hard"]::after {
content: '';
position: absolute;
top: 0; left: 0; right: 0; bottom: 0;
box-shadow: inset 8px 0 15px -5px rgba(0,0,0,0.2);
pointer-events: none;
} .smartembed-book-cover-3d.se-flipbook-zoomed,
.smartembed-flipbook-container.se-flipbook-zoomed {
cursor: grab;
}
.smartembed-book-cover-3d.se-flipbook-dragging,
.smartembed-book-cover-3d.se-flipbook-dragging *,
.smartembed-flipbook-container.se-flipbook-dragging,
.smartembed-flipbook-container.se-flipbook-dragging * {
cursor: grabbing !important;
user-select: none !important;
}
.smartembed-tpl-hardcover .st-page,
.smartembed-tpl-binder .st-page {
overflow: visible !important;
}
.smartembed-page-info {
padding: 0 12px;
font-size: 14px;
color: #e0e0e0;
font-weight: 600;
border-right: 1px solid #555;
margin-right: 4px;
display: flex;
align-items: center;
gap: 2px;
height: 36px;
}
.smartembed-current-page {
color: #fff !important;
width: 44px !important;
text-align: center !important;
border: 1px solid #555 !important;
border-radius: 4px !important;
height: 24px !important;
font-size: 13px !important;
font-weight: bold !important;
margin-right: 2px !important;
padding: 0 !important;
background: #444 !important;
outline: none !important;
box-shadow: none !important;
display: inline-block !important;
}
.smartembed-tool-btn {
background: transparent;
border: none;
color: #e0e0e0;
width: 36px;
height: 36px;
border-radius: 6px;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
transition: background 0.15s, color 0.15s;
padding: 0;
outline: none;
}
.smartembed-tool-btn:hover {
background: rgba(255,255,255,0.15);
color: #fff;
}
.smartembed-tool-btn svg {
width: 18px !important;
height: 18px !important;
stroke: currentColor !important;
fill: none !important;
stroke-width: 2px !important;
display: block !important;
flex-shrink: 0;
} .smartembed-options-menu-container {
position: relative;
}
.smartembed-options-dropdown {
position: absolute;
bottom: calc(100% + 8px);
right: 0;
background: #fff;
border-radius: 8px;
box-shadow: 0 6px 24px rgba(0,0,0,0.15);
display: none;
flex-direction: column;
min-width: 220px;
padding: 8px 0;
z-index: 100;
border: 1px solid #eee;
}
.smartembed-options-dropdown.show {
display: flex;
}
.smartembed-dropdown-item {
background: transparent;
border: none;
padding: 10px 18px;
text-align: left;
width: 100%;
cursor: pointer;
font-size: 13px;
color: #444;
display: flex;
align-items: center;
gap: 10px;
text-decoration: none;
transition: background 0.15s;
box-sizing: border-box;
}
.smartembed-dropdown-item:hover {
background: #f5f5f5;
color: #111;
}
.smartembed-dropdown-item svg {
width: 16px !important;
height: 16px !important;
stroke: #888 !important;
fill: none !important;
stroke-width: 2px !important;
display: block !important;
flex-shrink: 0;
}
.smartembed-options-dropdown::after {
content: '';
position: absolute;
bottom: -8px;
right: 14px;
border-width: 8px 7px 0 7px;
border-style: solid;
border-color: #fff transparent transparent transparent;
} .smartembed-thumbnails-sidebar {
position: absolute;
top: 0;
left: -320px;
width: 280px;
height: 100%;
background: rgba(255,255,255,0.97);
box-shadow: 4px 0 20px rgba(0,0,0,0.2);
z-index: 60;
transition: left 0.3s cubic-bezier(0.4,0,0.2,1);
display: flex;
flex-direction: column;
}
.smartembed-thumbnails-sidebar.open {
left: 0;
}
.smartembed-thumbnails-header {
padding: 14px 18px;
font-weight: 700;
color: #333;
display: flex;
justify-content: space-between;
align-items: center;
border-bottom: 1px solid #eee;
font-size: 13px;
letter-spacing: 1px;
text-transform: uppercase;
}
.smartembed-thumbnails-close {
background: transparent;
border: none;
font-size: 18px;
cursor: pointer;
color: #999;
padding: 4px;
line-height: 1;
}
.smartembed-thumbnails-close:hover { color: #333; }
.smartembed-thumbnails-content {
flex-grow: 1;
overflow-y: auto;
padding: 16px;
display: flex;
flex-direction: column;
gap: 16px;
}
.smartembed-thumbnail {
cursor: pointer;
display: flex;
flex-direction: column;
align-items: center;
transition: transform 0.2s;
}
.smartembed-thumbnail:hover { transform: scale(1.04); }
.smartembed-thumbnail canvas {
max-width: 100%;
box-shadow: 0 2px 8px rgba(0,0,0,0.15);
border-radius: 3px;
background: #fff;
}
.smartembed-thumbnail-label {
margin-top: 6px;
font-size: 11px;
color: #666;
font-weight: 700;
background: #f0f0f0;
padding: 2px 10px;
border-radius: 12px;
} @media (max-width: 850px) {
.smartembed-pdf-app-container {
height: 480px !important;
width: 100% !important;
max-width: 100% !important;
margin: 0 auto !important;
}
.smartembed-pdf-scroll-area {
padding: 10px 10px 90px 10px !important;
overflow-x: hidden !important;
}
.smartembed-pdf-page-canvas {
width: 100% !important;
height: auto !important;
max-width: 100% !important;
}
.smartembed-flipbook-container {
overflow: hidden !important;
display: flex !important;
justify-content: center !important;
align-items: flex-start !important;
}
.stf__parent {
max-width: 100% !important;
overflow: hidden !important;
}
.smartembed-bottom-toolbar {
bottom: 8px !important;
width: auto;
max-width: 96%;
padding: 2px 4px !important;
gap: 1px !important;
white-space: nowrap;
flex-wrap: nowrap;
overflow-x: auto;
-webkit-overflow-scrolling: touch;
justify-content: center;
border-radius: 6px !important;
}
.smartembed-nav-arrow {
width: 36px !important;
height: 60px !important;
background: rgba(0,0,0,0.5) !important;
border: 2px solid rgba(255,255,255,0.8) !important;
}
.smartembed-prev-page {
left: 4px !important;
}
.smartembed-next-page {
right: 4px !important;
}
.smartembed-thumbnails-sidebar {
width: 240px;
left: -260px;
}
.smartembed-tool-btn {
width: 30px !important;
height: 30px !important;
}
.smartembed-tool-btn svg {
width: 16px !important;
height: 16px !important;
}
.smartembed-page-info {
padding: 0 6px !important;
font-size: 12px !important;
height: 30px !important;
}
.smartembed-current-page {
width: 32px !important;
height: 20px !important;
font-size: 11px !important;
}
}
@media (max-width: 480px) {
.smartembed-pdf-app-container {
height: 400px !important;
}
.smartembed-pdf-scroll-area {
padding: 10px 10px 90px 10px;
}
.smartembed-bottom-toolbar {
bottom: 8px;
padding: 2px 4px;
gap: 0px;
border-radius: 6px;
}
.smartembed-page-info {
padding: 0 6px;
font-size: 13px;
margin-right: 4px;
height: 32px;
}
.smartembed-current-page {
width: 32px !important;
height: 22px !important;
font-size: 12px !important;
}
.smartembed-tool-btn {
width: 30px;
height: 30px;
}
.smartembed-tool-btn svg {
width: 16px !important;
height: 16px !important;
}
.smartembed-options-dropdown {
min-width: 180px;
right: 0;
bottom: calc(100% + 4px);
}
.smartembed-options-dropdown::after {
right: 8px; }
.smartembed-nav-arrow {
width: 30px !important;
height: 50px !important;
background: rgba(0,0,0,0.6) !important;
border: 2px solid rgba(255,255,255,0.9) !important;
}
.smartembed-nav-arrow svg {
width: 20px !important;
height: 20px !important;
}
.smartembed-prev-page {
left: 4px !important;
}
.smartembed-next-page {
right: 4px !important;
} .smartembed-fullscreen-btn {
display: none !important;
}
} .smartembed-template-selector {
background: linear-gradient(135deg, #f8fbfa 0%, #eef2f5 100%);
padding: 20px 15px;
border-radius: 8px 8px 0 0;
font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, sans-serif;
position: relative;
z-index: 10;
border-bottom: 2px solid #e1e8ed;
box-shadow: inset 0 -4px 10px rgba(0,0,0,0.02);
width: 100%;
box-sizing: border-box;
}
.smartembed-template-title {
text-align: center;
font-size: 15px;
font-weight: 700;
color: #2c3e50;
margin-bottom: 16px;
text-transform: uppercase;
letter-spacing: 0.5px;
}
.smartembed-template-grid {
display: flex;
flex-wrap: wrap;
gap: 10px;
justify-content: center;
align-items: stretch;
}
.smartembed-tpl-card {
background: #ffffff;
border: 2px solid #e1e8ed;
border-radius: 8px;
padding: 14px 8px;
width: 130px;
text-align: center;
cursor: pointer;
transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
display: flex;
flex-direction: column;
align-items: center;
position: relative;
box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}
.smartembed-tpl-card:hover {
border-color: #4caf50;
background: #fdfdfd;
transform: translateY(-2px);
box-shadow: 0 6px 15px rgba(76, 175, 80, 0.15);
}
.smartembed-tpl-card.active {
border-color: #4caf50;
background: #f4fbf5;
box-shadow: 0 4px 12px rgba(76, 175, 80, 0.1);
}
.smartembed-tpl-card.active::before {
content: '';
position: absolute;
top: 6px;
left: 50%;
transform: translateX(-50%);
width: 12px;
height: 12px;
border-radius: 50%;
border: 2px solid #4caf50;
background: #fff;
box-sizing: border-box;
}
.smartembed-tpl-card.active::after {
content: '';
position: absolute;
top: 9px;
left: 50%;
transform: translateX(-50%);
width: 6px;
height: 6px;
border-radius: 50%;
background: #4caf50;
}
.smartembed-tpl-icon {
margin-top: 14px;
margin-bottom: 6px;
color: #64748b;
transition: color 0.2s ease;
}
.smartembed-tpl-card:hover .smartembed-tpl-icon,
.smartembed-tpl-card.active .smartembed-tpl-icon {
color: #4caf50;
}
.smartembed-tpl-icon svg {
width: 32px;
height: 32px;
}
.smartembed-tpl-name {
font-size: 13px;
font-weight: 700;
color: #334155;
margin-bottom: 3px;
line-height: 1.2;
}
.smartembed-tpl-desc {
font-size: 11px;
color: #94a3b8;
line-height: 1.2;
} .smartembed-tpl-img {
width: 60px;
height: 60px;
object-fit: contain;
display: block;
margin: 0 auto;
transition: transform 0.2s ease;
border-radius: 4px;
}
.smartembed-tpl-card:hover .smartembed-tpl-img {
transform: scale(1.08);
}
.smartembed-tpl-card.active .smartembed-tpl-img {
transform: scale(1.05);
filter: drop-shadow(0 2px 6px rgba(76, 175, 80, 0.4));
}  .smartembed-custom-hardcover-intro {
position: absolute;
inset: 0;
display: flex;
align-items: center;
justify-content: center;
z-index: 200;
background: radial-gradient(ellipse at center, #6b6b6b 0%, #3d3d3d 100%);
perspective: 1800px;
perspective-origin: 50% 40%;
overflow: hidden;
transition: opacity 0.7s ease;
}
.smartembed-custom-hardcover-intro.hidden {
opacity: 0;
pointer-events: none;
} .smartembed-hc-book {
position: relative;
transform-style: preserve-3d; transform: rotateX(18deg) rotateY(-30deg) translateY(-20px);
transition: transform 1.6s cubic-bezier(0.22, 0.61, 0.36, 1);
cursor: pointer; will-change: transform;
}
.smartembed-custom-hardcover-intro.is-opening .smartembed-hc-book { transform: rotateX(2deg) rotateY(-2deg) translateY(0px) scale(1.04);
}   .smartembed-hc-face {
position: absolute;
backface-visibility: hidden;
transform-style: preserve-3d;
} .smartembed-hc-front {
top: 0; left: 0;
width: 100%; height: 100%;
transform-origin: left center; transform: rotateY(0deg) translateZ(var(--hc-half-depth, 15px));
transition: transform 1.55s cubic-bezier(0.25, 0.85, 0.15, 1.06);
border-radius: 2px 6px 6px 2px;
overflow: hidden; background: linear-gradient(160deg, #2c1a0e 0%, #3d2410 40%, #2a1a0d 70%, #1e1208 100%);
box-shadow:
inset 0 0 60px rgba(0,0,0,0.5),
inset 3px 0 10px rgba(0,0,0,0.6),
4px 0 25px rgba(0,0,0,0.7);
z-index: 10;
} .smartembed-hc-front::before {
content: '';
position: absolute;
inset: 0;
background-image:
url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
background-size: 200px 200px;
mix-blend-mode: overlay;
pointer-events: none;
z-index: 2;
} .smartembed-hc-front::after {
content: '';
position: absolute;
inset: 0;
background:
linear-gradient(to right,
rgba(0,0,0,0.55) 0%,
rgba(0,0,0,0.1) 8%,
rgba(255,255,255,0.04) 30%,
rgba(255,255,255,0.07) 50%,
rgba(0,0,0,0.15) 85%,
rgba(0,0,0,0.3) 100%),
linear-gradient(to bottom,
rgba(255,255,255,0.07) 0%,
transparent 20%,
transparent 80%,
rgba(0,0,0,0.2) 100%);
pointer-events: none;
z-index: 3;
border-radius: inherit;
} .smartembed-hc-front-canvas-wrap {
position: absolute;
inset: 0;
z-index: 1;
overflow: hidden;
border-radius: inherit;
}
.smartembed-hc-front-canvas-wrap canvas {
display: block;
width: 100% !important;
height: 100% !important;
} .smartembed-custom-hardcover-intro.is-opening .smartembed-hc-front {
transform: rotateY(-175deg) translateZ(var(--hc-half-depth, 15px));
} .smartembed-hc-back {
top: 0; left: 0;
width: 100%; height: 100%; transform: translateZ(calc(-1 * var(--hc-half-depth, 15px)));
background: linear-gradient(160deg, #1e1208 0%, #2a1a0d 50%, #1e1208 100%);
border-radius: 2px 6px 6px 2px;
box-shadow: inset 0 0 40px rgba(0,0,0,0.6);
z-index: 1;
overflow: hidden;
}
.smartembed-hc-back::after {
content: '';
position: absolute;
inset: 0;
background: linear-gradient(to right,
rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.05) 10%,
transparent 50%, rgba(0,0,0,0.1) 100%);
pointer-events: none;
} .smartembed-hc-spine {
top: 0;
left: 0; width: var(--hc-depth, 30px);
height: 100%; transform-origin: right center;
transform: rotateY(-90deg) translateZ(0);
background: linear-gradient(to right,
#0d0806 0%, #1e1208 15%, #2c1a0e 40%,
#3d2410 50%, #2c1a0e 60%, #1a100a 85%, #0d0806 100%);
box-shadow:
inset -3px 0 8px rgba(0,0,0,0.8),
inset 2px 0 6px rgba(255,255,255,0.04);
z-index: 5;
border-radius: 4px 0 0 4px;
} .smartembed-hc-spine::before {
content: '';
position: absolute;
top: 12%; bottom: 12%;
left: 20%; width: 60%;
background: linear-gradient(to right,
transparent, rgba(180,140,60,0.18), rgba(220,180,90,0.25),
rgba(180,140,60,0.18), transparent);
border-radius: 2px;
} .smartembed-hc-top {
top: 0; left: 0;
width: 100%;
height: var(--hc-depth, 30px);
transform-origin: top center;
transform: rotateX(90deg) translateZ(0);
background:
repeating-linear-gradient(to right,
#f8f6f0 0px, #f8f6f0 1px,
#e8e4dc 2px, #e8e4dc 3px,
#f4f1ea 4px, #f4f1ea 5px),
linear-gradient(to bottom, #f0ede6 0%, #d8d4cc 100%);
box-shadow: inset 0 -2px 4px rgba(0,0,0,0.1);
z-index: 3;
} .smartembed-hc-top::after {
content: '';
position: absolute;
inset: 0;
background: linear-gradient(to bottom,
rgba(255,255,255,0.4) 0%, rgba(255,255,255,0) 50%);
pointer-events: none;
} .smartembed-hc-bottom {
bottom: 0; left: 0;
width: 100%;
height: var(--hc-depth, 30px);
transform-origin: bottom center;
transform: rotateX(-90deg) translateZ(0);
background:
repeating-linear-gradient(to right,
#f8f6f0 0px, #f8f6f0 1px,
#e2ddd5 2px, #e2ddd5 3px,
#f4f1ea 4px, #f4f1ea 5px),
linear-gradient(to top, #e8e4dc 0%, #f0ede6 100%);
z-index: 3;
} .smartembed-hc-right {
top: 0; right: 0;
width: var(--hc-depth, 30px);
height: 100%;
transform-origin: right center;
transform: rotateY(90deg) translateZ(0);
background:
repeating-linear-gradient(to bottom,
#faf8f3 0px, #faf8f3 1px,
#e5e0d8 2px, #e5e0d8 3px,
#f5f2ec 4px, #f5f2ec 5px);
box-shadow:
inset -2px 0 6px rgba(0,0,0,0.08),
inset 0 0 20px rgba(0,0,0,0.05);
z-index: 3;
border-radius: 0 2px 2px 0;
} .smartembed-hc-right::after {
content: '';
position: absolute;
inset: 0;
background: linear-gradient(to right,
rgba(255,255,255,0.0) 0%, rgba(255,255,255,0.35) 60%, rgba(255,255,255,0.0) 100%);
pointer-events: none;
} .smartembed-hc-shadow {
position: absolute; bottom: -12%;
left: 5%;
width: 90%;
height: 40%;
background: radial-gradient(ellipse at 40% 50%,
rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.3) 50%, transparent 80%);
filter: blur(18px);
transform: translateZ(-100px) scaleY(0.4) rotateX(80deg);
pointer-events: none;
transition: all 1.6s cubic-bezier(0.22, 0.61, 0.36, 1);
z-index: 0;
border-radius: 50%;
}
.smartembed-custom-hardcover-intro.is-opening .smartembed-hc-shadow {
filter: blur(28px);
opacity: 0.45;
transform: translateZ(-100px) scaleY(0.3) rotateX(80deg);
} .smartembed-hc-glow {
position: absolute;
inset: -15%;
background: radial-gradient(ellipse at 40% 45%,
rgba(120,80,40,0.12) 0%, transparent 65%);
pointer-events: none;
z-index: 0;
} .smartembed-open-hint {
position: absolute;
bottom: 22px;
left: 50%;
transform: translateX(-50%);
color: rgba(255,255,255,0.92);
background: rgba(0,0,0,0.55);
backdrop-filter: blur(6px);
padding: 10px 24px;
border-radius: 30px;
font-size: 13px;
font-weight: 600;
letter-spacing: 0.8px;
text-transform: uppercase;
pointer-events: none;
border: 1px solid rgba(255,255,255,0.15);
box-shadow: 0 4px 16px rgba(0,0,0,0.4);
animation: se-hint-float 2.4s ease-in-out infinite;
white-space: nowrap;
transition: opacity 0.5s;
}
@keyframes se-hint-float {
0%, 100% { transform: translateX(-50%) translateY(0px); opacity: 0.8; }
50%        { transform: translateX(-50%) translateY(-6px); opacity: 1; }
}
.smartembed-custom-hardcover-intro.is-opening .smartembed-open-hint {
opacity: 0;
animation: none;
}  .smartembed-tpl-hardcover .stf__block::after {
content: '';
position: absolute;
top: 0; bottom: 0;
left: 50%; width: 40px;
margin-left: -20px;
background: linear-gradient(to right,
rgba(0,0,0,0.18) 0%, rgba(0,0,0,0.06) 40%, transparent 100%);
pointer-events: none;
z-index: 100;
} .smartembed-tpl-hardcover .my-page[data-side="right"] canvas {
box-shadow: inset -3px 0 8px rgba(0,0,0,0.06);
}
.smartembed-tpl-hardcover .my-page[data-side="left"] canvas {
box-shadow: inset 3px 0 8px rgba(0,0,0,0.06);
} @media (max-width: 768px) {
.smartembed-custom-hardcover-intro {
perspective: 1200px;
}
.smartembed-hc-book {
transform: rotateX(10deg) rotateY(-20deg) translateY(-10px);
}
.smartembed-custom-hardcover-intro.is-opening .smartembed-hc-book {
transform: rotateX(1deg) rotateY(-1deg) translateY(0) scale(1.02);
}
.smartembed-hc-shadow { filter: blur(12px); }
} .smartembed-toc-sidebar {
position: absolute;
top: 0; left: 0;
width: 280px; height: 100%;
background: rgba(40,40,40,0.95);
color: #fff;
transform: translateX(-100%);
transition: transform 0.3s ease;
z-index: 100;
display: flex; flex-direction: column;
border-right: 1px solid rgba(255,255,255,0.1);
backdrop-filter: blur(8px);
}
.smartembed-toc-sidebar.open {
transform: translateX(0);
}
.smartembed-toc-header {
display: flex; justify-content: space-between; align-items: center;
padding: 15px; border-bottom: 1px solid rgba(255,255,255,0.1);
font-size: 14px; font-weight: 600; letter-spacing: 1px;
}
.smartembed-toc-close {
background: none; border: none; color: #fff;
font-size: 18px; cursor: pointer; padding: 5px;
opacity: 0.6; transition: opacity 0.2s;
}
.smartembed-toc-close:hover { opacity: 1; }
.smartembed-toc-content {
flex: 1; overflow-y: auto; padding: 15px 15px 15px 0;
}
.smartembed-toc-item > a:hover {
color: #4dabf7 !important;
}