:root{--bg-color:#faedcd;--surface-color:#fefae0;--surface-hover:#e9edc9;--accent-color:#d4a373;--accent-glow:#d4a37380;--text-primary:#4a3b32;--text-secondary:#8b7355;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}a{color:inherit;text-decoration:none}.glass{-webkit-backdrop-filter:blur(12px);background:#fefae0b3;border:1px solid #fff6;box-shadow:0 4px 6px #0000000d}.container{max-width:1200px;margin:0 auto;padding:1rem}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-color)}::-webkit-scrollbar-thumb{background:var(--surface-hover);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-color)}.app-container{flex-direction:column;min-height:100vh;display:flex}.app-header{z-index:10;text-align:center;border-bottom:1px solid #8b735533;padding:.5rem 1rem;position:sticky;top:0}.app-header h1{letter-spacing:2px;text-transform:uppercase;background:linear-gradient(90deg,#8b7355,#4a3b32);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.4rem;font-weight:700}.bookshelf-container{flex-direction:column;align-items:center;gap:2rem;padding:1rem 0;display:flex}.bookshelf-wall{background:linear-gradient(#faedcd00,#faedcdcc);border-bottom:15px solid #8b5a2b;border-radius:4px;align-items:flex-end;width:100%;max-width:1200px;padding:0 1rem;display:flex;position:relative;box-shadow:0 10px 20px #8b5a2b33,inset 0 2px 5px #fff6}.bookshelf-wall:after{content:"";background:linear-gradient(#8b5a2b,#5c3a21);border-radius:4px;height:15px;position:absolute;bottom:-15px;left:0;right:0;box-shadow:0 5px 10px #0000001a}.bookshelf{perspective:1200px;justify-content:center;align-items:flex-end;gap:12px;width:100%;height:300px;display:flex}.book-wrapper{z-index:1;width:45px;position:relative}.book-wrapper:hover{z-index:50}.book-3d{width:100%;height:100%;transform-style:preserve-3d;transform-origin:0;cursor:pointer;transition:transform .6s cubic-bezier(.25,1,.5,1);position:absolute;bottom:0}.book-wrapper:hover .book-3d{transform:translateY(-20px)translateZ(90px)translate(20px)rotateY(-85deg)}.book-spine{border:1px solid #fff3;border-right:none;border-radius:4px 0 0 4px;flex-direction:column;justify-content:flex-start;align-items:center;width:45px;height:100%;padding:1.5rem 0;display:flex;position:absolute;box-shadow:inset 2px 0 4px #fff6,inset -2px 0 4px #0000004d}.book-cover{transform-origin:0;background-position:50%;background-size:cover;border-radius:0 6px 6px 0;align-items:flex-end;width:200px;height:100%;display:flex;position:absolute;left:45px;transform:rotateY(90deg);box-shadow:inset -2px 0 5px #0003,5px 5px 15px #0000004d}.book-cover:after{content:"";border-radius:inherit;background:#4a3b3280;transition:background .6s;position:absolute;inset:0}.book-wrapper:hover .book-cover:after{background:0 0}.cover-content{z-index:2;background:linear-gradient(#0000,#000000e6);border-radius:0 0 6px;width:100%;padding:1rem;position:relative}.cover-content h3{text-transform:uppercase;letter-spacing:2px;color:#fff;text-shadow:0 2px 4px #000000e6;opacity:0;font-size:1rem;font-weight:800;transition:opacity .4s .1s,transform .4s .1s;transform:translateY(20px)}.book-wrapper:hover .cover-content h3{opacity:1;transform:translateY(0)}.spine-title{writing-mode:vertical-rl;text-orientation:mixed;letter-spacing:2px;color:#fff;text-transform:uppercase;white-space:nowrap;text-shadow:1px 1px 3px #000000e6;font-size:1.1rem;font-weight:800;transform:rotate(180deg)}.spine-decorator{background:#4a3b324d;width:30px;height:2px;margin:.8rem 0}.spine-date{color:#8b7355;text-shadow:1px 1px #fff6;font-size:.75rem;font-weight:700}.album-header{align-items:center;gap:1rem;margin-bottom:2rem;display:flex}.back-button{color:var(--text-primary);cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:1rem;transition:background .2s,color .2s;display:flex}.back-button:hover{background:var(--surface-hover);color:var(--accent-color)}.album-title{font-size:2rem;font-weight:700}.album-container{flex-direction:column;min-height:100vh;display:flex}.flipbook-wrapper{perspective:2000px;flex:1;justify-content:center;align-items:center;padding:2rem;display:flex}.flipbook-scene{width:90vw;max-width:900px;height:70vh;max-height:800px;transform-style:preserve-3d;position:relative}.book-cover-anim{transform-origin:0;width:50%;height:100%;transform-style:preserve-3d;z-index:10;border-radius:0 8px 8px 0;transition:transform 1s cubic-bezier(.645,.045,.355,1);position:absolute;top:0;left:50%;box-shadow:-5px 5px 15px #0000004d}.flipbook-scene.is-opened .book-cover-anim{z-index:1;transform:rotateY(-180deg);box-shadow:5px 5px 15px #0000004d}.cover-front,.cover-back{backface-visibility:hidden;border-radius:0 8px 8px 0;width:100%;height:100%;position:absolute}.cover-front{background-position:50%;background-size:cover;align-items:flex-end;display:flex}.cover-title-overlay{background:linear-gradient(#0000,#000c);border-radius:0 0 8px;width:100%;padding:2rem}.cover-title-overlay h3{color:#fff;text-transform:uppercase;letter-spacing:2px;font-size:1.5rem}.cover-back{background:#e6ccb2;border-radius:8px 0 0 8px;transform:rotateY(180deg);box-shadow:inset -5px 0 10px #0000001a}.book-content{opacity:0;pointer-events:none;z-index:2;border-radius:8px;width:100%;height:100%;transition:opacity .3s ease-in-out .5s;display:flex;position:absolute;top:0;left:0;box-shadow:0 10px 30px #8b5a2b33}.flipbook-scene.is-opened .book-content{opacity:1;pointer-events:auto}.book-page{box-sizing:border-box;background:#fff9e6;flex-direction:column;width:50%;height:100%;padding:2rem;display:flex;position:absolute;top:0}.left-page{border-radius:8px 0 0 8px;left:0;box-shadow:inset -10px 0 20px #8b5a2b1a}.right-page{border-radius:0 8px 8px 0;right:0;box-shadow:inset 10px 0 20px #8b5a2b1a}.animated-page{transform-style:preserve-3d;z-index:5;background:0 0;padding:0}.page-front,.page-back{backface-visibility:hidden;box-sizing:border-box;background:#fff9e6;flex-direction:column;width:100%;height:100%;padding:2rem;display:flex;position:absolute;top:0;left:0}.flip-next{transform-origin:0;animation:.6s ease-in-out forwards flipNextAnim;right:0}.flip-next .page-front{border-radius:0 8px 8px 0;box-shadow:inset 10px 0 20px #8b5a2b1a}.flip-next .page-back{border-radius:8px 0 0 8px;transform:rotateY(180deg);box-shadow:inset -10px 0 20px #8b5a2b1a}@keyframes flipNextAnim{0%{transform:rotateY(0)}to{transform:rotateY(-180deg)}}.flip-prev{transform-origin:100%;animation:.6s ease-in-out forwards flipPrevAnim;left:0}.flip-prev .page-front{border-radius:8px 0 0 8px;box-shadow:inset -10px 0 20px #8b5a2b1a}.flip-prev .page-back{border-radius:0 8px 8px 0;transform:rotateY(-180deg);box-shadow:inset 10px 0 20px #8b5a2b1a}@keyframes flipPrevAnim{0%{transform:rotateY(0)}to{transform:rotateY(180deg)}}.page-photos{flex-direction:column;gap:1.5rem;height:100%;display:flex}.book-photo-item{cursor:pointer;background:#fff;border-radius:2px;flex:1;max-height:calc(50% - .75rem);padding:.5rem .5rem 2rem;transition:transform .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden;box-shadow:0 4px 10px #0000001a}.book-photo-item:hover{z-index:2;transform:scale(1.02);box-shadow:0 8px 16px #00000026}.book-photo-img{object-fit:cover;border:1px solid #eee;width:100%;height:100%}.delete-photo-btn{color:#ff4d4f;cursor:pointer;opacity:0;z-index:10;background:#fffc;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;transition:opacity .2s,background .2s,transform .2s;display:flex;position:absolute;top:10px;right:10px;box-shadow:0 2px 5px #0003}.book-photo-item:hover .delete-photo-btn{opacity:1}.delete-photo-btn:hover{background:#fff;transform:scale(1.1)}.delete-modal-overlay{-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:2000;background:#faedcdb3;justify-content:center;align-items:center;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}.delete-modal-content{text-align:center;background:#fff9e6;border:1px solid #8b735533;border-radius:12px;width:90%;max-width:400px;padding:2rem;animation:.2s ease-out forwards scaleUp;transform:scale(.95);box-shadow:0 10px 40px #8b5a2b4d}.delete-modal-content h3{color:var(--text-primary);margin-top:0;margin-bottom:1rem;font-size:1.4rem}.delete-modal-content p{color:var(--text-secondary);margin-bottom:2rem;line-height:1.5}.delete-modal-actions{justify-content:center;gap:1rem;display:flex}.btn-cancel{border:1px solid var(--text-secondary);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:6px;padding:.6rem 1.5rem;font-weight:600;transition:all .2s}.btn-cancel:hover{background:#0000000d}.btn-confirm-delete{color:#fff;cursor:pointer;background:#ff4d4f;border:none;border-radius:6px;padding:.6rem 1.5rem;font-weight:600;transition:all .2s}.btn-confirm-delete:hover{background:#d9363e;box-shadow:0 4px 10px #ff4d4f4d}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleUp{to{transform:scale(1)}}.add-photo-btn{box-shadow:none;background:#d4a3731a;border:2px dashed #d4a37380;justify-content:center;align-items:center;display:flex}.add-photo-btn:hover{border-color:var(--accent-color);background:#d4a37333;box-shadow:0 4px 10px #0000001a}.upload-label{color:var(--text-secondary);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:1rem;width:100%;height:100%;display:flex}.upload-label:hover{color:var(--accent-color)}.plus-icon{opacity:.8}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin-anim{animation:1s linear infinite spin}.page-nav-btn{color:var(--text-primary);cursor:pointer;z-index:10;background:#fefae0e6;border:1px solid #8b735533;border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;transition:all .2s;display:flex;position:absolute;top:50%;transform:translateY(-50%);box-shadow:0 4px 10px #0000001a}.page-nav-btn:hover{background:var(--accent-color);color:#fff;transform:translateY(-50%)scale(1.1)}.page-nav-btn.prev{left:-25px}.page-nav-btn.next{right:-25px}.page-nav-btn.hidden{opacity:0;pointer-events:none}.lightbox-overlay{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;background:#faedcde6;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.lightbox-content{max-width:90vw;max-height:90vh;position:relative}.lightbox-img{object-fit:contain;border-radius:8px;max-width:100%;max-height:90vh;box-shadow:0 0 50px #8b5a2b26}.lightbox-close{color:var(--text-primary);cursor:pointer;background:0 0;border:none;padding:.5rem;transition:color .2s;position:absolute;top:-40px;right:0}.lightbox-close:hover{color:var(--accent-color)}.lightbox-nav{color:var(--text-primary);cursor:pointer;background:#fefae0cc;border:1px solid #8b735533;border-radius:50%;justify-content:center;align-items:center;padding:1rem;transition:all .2s;display:flex;position:absolute;top:50%;transform:translateY(-50%);box-shadow:0 4px 10px #0000000d}.lightbox-nav:hover{background:var(--accent-color)}.lightbox-prev{left:-60px}.lightbox-next{right:-60px}@media (width<=768px){.lightbox-nav{display:none}}