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1.25rem .25rem;overflow:hidden}.stack-page{position:absolute;inset:0;background:linear-gradient(to right,#b8bcc4,#e8ecf0 3%,#f0f4f8);border-radius:.25rem 1.25rem 1.25rem .25rem;border:1px solid rgba(0,0,0,.08);border-left:none}.stack-page.stack-1{transform:translate(6px) translateZ(-4px)}.stack-page.stack-2{transform:translate(4px) translateZ(-3px)}.stack-page.stack-3{transform:translate(2px) translateZ(-2px)}.pages-container{position:absolute;inset:0;z-index:20;transform-style:preserve-3d;border-radius:.25rem 1.5rem 1.5rem .25rem;overflow:visible;cursor:grab}.pages-container.is-dragging{cursor:grabbing}.book-page.underlying-page{z-index:15;transform:rotateY(0)}.book-page.flipping-prev-page{z-index:40;transform-style:preserve-3d;transform-origin:left center;backface-visibility:hidden;will-change:transform;transition:none}.book-page{position:absolute;inset:0;transform-style:preserve-3d;transform-origin:left center;backface-visibility:hidden;border-radius:.25rem 1.25rem 1.25rem .25rem;overflow:hidden;background:linear-gradient(to right,#0f1419,#1a1a2e 4% 100%);box-shadow:inset 15px 0 30px -15px #000c,0 8px 30px #0000004d}.book-page:before{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");opacity:.02;pointer-events:none;z-index:1}.book-page.current-page{z-index:30;will-change:transform}.book-page.current-page.is-flipping{transition:none}.page-curl-overlay{position:absolute;inset:0;background:linear-gradient(to left,rgba(0,0,0,.4) 0%,rgba(0,0,0,.2) 20%,transparent 50%);pointer-events:none;z-index:100;border-radius:.25rem 1.5rem 1.5rem .25rem}.page-fold-shadow{position:absolute;right:0;top:0;bottom:0;width:60px;background:linear-gradient(to left,rgba(0,0,0,.15) 0%,transparent 100%);pointer-events:none;z-index:45;opacity:0;transition:opacity .3s ease}.book-page.is-flipping .page-fold-shadow{opacity:1}.drag-indicator{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:3rem;color:#ffffff4d;pointer-events:none;z-index:200;animation:fadeInOut .5s ease}@keyframes fadeInOut{0%,to{opacity:.3}50%{opacity:.6}}.book-page-content{position:relative;width:100%;height:100%;display:flex;flex-direction:column;z-index:10}.page-spine-shadow{position:absolute;left:0;top:0;bottom:0;width:40px;background:linear-gradient(to right,rgba(0,0,0,.6) 0%,rgba(0,0,0,.3) 40%,transparent 100%);pointer-events:none;z-index:50}.page-spine-shadow:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(to right,#000c,#0006)}.page-inner{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1.5rem 1.5rem 2rem 2.5rem;gap:1rem;color:#fff;position:relative;z-index:10;overflow:hidden}@media(min-width:768px){.page-inner{padding:2rem 2rem 2rem 3rem;gap:1.25rem}}.page-edges{position:absolute;right:0;top:5%;bottom:5%;width:8px;display:flex;flex-direction:column;justify-content:space-between;pointer-events:none;z-index:5}.edge-line{width:100%;height:1px;background:linear-gradient(to right,transparent,rgba(255,255,255,.1),rgba(255,255,255,.05))}.page-header{text-align:center;opacity:.8}.page-badge{display:inline-block;padding:.25rem .75rem;border:1px solid rgba(255,255,255,.2);border-radius:9999px;font-size:.625rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:#fbbf24;margin-bottom:.5rem}.page-chapter{font-size:1.5rem;font-family:Georgia,Times New Roman,serif;font-style:italic;color:#9ca3af}.page-chapter-2{font-size:1rem;font-family:Georgia,Times New Roman,serif;font-style:italic;color:#9ca3af}.profile-container{position:relative}.profile-glow{position:absolute;inset:-12px;background:#fbbf2433;border-radius:50%;filter:blur(25px);animation:glowPulse 3s ease-in-out infinite}.profile-frame{position:relative;width:8rem;height:8rem;border-radius:50%;padding:6px;background:linear-gradient(135deg,rgba(255,255,255,.15) 0%,transparent 100%);border:2px solid rgba(255,255,255,.15);box-shadow:0 25px 50px -12px #00000080,inset 0 1px #ffffff1a;overflow:hidden}@media(min-width:768px){.profile-frame{width:10rem;height:10rem;padding:8px}}.profile-image{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;-o-object-position:top center;object-position:top center;border-radius:50%}.profile-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#1f2937;color:#6b7280;font-size:.75rem;border-radius:50%}.age-badge{position:absolute;bottom:-8px;right:-8px;width:3rem;height:3rem;background:linear-gradient(135deg,#fcd34d,#f59e0b);color:#0f172a;font-size:1.25rem;font-weight:700;font-family:Georgia,Times New Roman,serif;display:flex;align-items:center;justify-content:center;border-radius:50%;box-shadow:0 10px 20px -5px #f59e0b66,0 4px 6px #0003;border:4px solid #1a1a2e}.info-section{text-align:center;width:100%;display:flex;flex-direction:column;gap:.5rem}.student-name{font-size:1.5rem;font-weight:700;font-family:Georgia,Times New Roman,serif;line-height:1.2;text-shadow:0 4px 6px rgba(0,0,0,.3);background:linear-gradient(to bottom,#fff,#e2e8f0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@media(min-width:768px){.student-name{font-size:1.75rem}}.name-divider{height:1px;width:6rem;background:linear-gradient(to right,transparent,rgba(255,255,255,.3),transparent);margin:0 auto}.student-prodi{font-size:.75rem;color:#fbbf24;font-weight:600;letter-spacing:.1em;text-transform:uppercase}@media(min-width:768px){.student-prodi{font-size:.875rem;letter-spacing:.15em}}.quote-section{width:100%;background:#ffffff08;border-radius:.5rem;padding:1rem;border-left:3px solid #fbbf24;position:relative;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}@media(min-width:768px){.quote-section{padding:1.25rem;border-radius:.75rem}}.quote-mark{position:absolute;font-size:2.5rem;color:#fbbf2426;font-family:Georgia,Times New Roman,serif;line-height:1}.quote-mark.open{top:-8px;left:8px}.quote-mark.close{bottom:-16px;right:8px;transform:rotate(180deg)}.quote-text{text-align:center;font-size:.875rem;font-style:italic;color:#d1d5db;line-height:1.6;font-family:Georgia,Times New Roman,serif}.page-indicator{position:absolute;bottom:1rem;left:0;width:100%;text-align:center;font-size:.625rem;color:#6b7280;font-family:Courier New,monospace}.empty-page .page-inner{color:#9ca3af}.empty-title{font-size:1.25rem;font-family:Georgia,Times New Roman,serif;color:#fff;margin-bottom:.5rem}.empty-text{font-size:.875rem}.close-book-btn{margin-top:1.5rem;padding:.5rem 1.5rem;border:1px solid rgba(255,255,255,.2);border-radius:9999px;background:transparent;color:#fff;font-size:.75rem;text-transform:uppercase;letter-spacing:.15em;cursor:pointer;transition:all .3s ease}.close-book-btn:hover{background:#ffffff1a}.nav-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:70;width:2.5rem;height:2.5rem;border-radius:50%;background:#0009;border:1px solid rgba(255,255,255,.15);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s ease;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 15px #0000004d}.nav-arrow:hover:not(:disabled){background:#000c;border-color:#ffffff4d;transform:translateY(-50%) scale(1.1);box-shadow:0 6px 20px #0006}.nav-arrow:disabled{opacity:.3;cursor:not-allowed}.nav-prev{left:-3.5rem}.nav-next{right:-3.5rem}@media(max-width:500px){.nav-prev{left:.5rem}.nav-next{right:.5rem}.nav-arrow{background:#000000b3}}.swipe-hint{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);color:#ffffff40;font-size:.625rem;text-transform:uppercase;letter-spacing:.15em;animation:hintPulse 2s ease-in-out infinite;pointer-events:none;z-index:50}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes dropdownIn{0%{opacity:0;transform:scale(.95) translateY(-10px)}to{opacity:1;transform:scale(1) translateY(0)}}@keyframes glowPulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(1.05)}}@keyframes hintPulse{0%,to{opacity:.25}50%{opacity:.1}}@keyframes flipBackward{0%{transform:rotateY(-150deg)}to{transform:rotateY(0)}}@media(max-width:400px){.profile-frame{width:8rem;height:8rem}.student-name{font-size:1.5rem}.cover-title{font-size:1.25rem}.page-inner{padding:1.5rem 1.5rem 1.5rem 2.5rem;gap:1rem}.quote-section{padding:1rem}}