:root{font-family:sans-serif;background-color:#0f172a;color:#e5e7eb}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;justify-content:center;align-items:stretch}.app{width:100%;max-width:960px;margin:2rem auto;padding:1.5rem}.book-list{background-color:#020617;border-radius:12px;padding:1.5rem;box-shadow:0 18px 45px #0f172ab3;border:1px solid rgba(148,163,184,.25)}.book-list__header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1.5rem}.book-list__title{font-size:1.8rem;margin:0}.book-list__subtitle{margin:.5rem 0 0;font-size:.9rem;color:#9ca3af}.book-list__add-button{border:1.5px solid rgba(59,130,246,.4);border-radius:8px;padding:.5rem 1.25rem;font-size:.9rem;font-weight:500;letter-spacing:.01em;cursor:pointer;background:#3b82f626;color:#60a5fa;transition:all .2s ease-out;white-space:nowrap;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 2px 8px #3b82f633;display:flex;align-items:center;gap:.5rem}.book-list__add-button-icon{font-size:1.2rem}.book-list__add-button:hover{background:#3b82f640;border-color:#60a5fab3;color:#93c5fd;transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}.book-list__add-button:active{background:#3b82f633;transform:translateY(0) scale(.98);box-shadow:0 2px 6px #3b82f640}.book-list__items{list-style:none;padding:0;margin:0;display:grid;gap:1rem}.book-list__item{list-style:none}.book-item{display:flex;width:100%;gap:1rem;padding:.9rem;border-radius:10px;background-color:#0f172ae6;border:1px solid rgba(148,163,184,.25);align-items:start}.book-item--editing{grid-template-columns:1fr}@media(max-width:640px){.book-item{display:block}.book-item__image--box,.book-item__image--placeholder{margin-bottom:24px}}.book-item__image--box{width:200px;height:150px}.book-item__image{width:100%;height:100%;border-radius:8px;object-fit:cover;background-color:#020617;border:2px solid rgba(148,163,184,.2);transition:all .3s ease-out}.book-item__image:hover{border-color:#94a3b866;box-shadow:0 2px 8px #0003}.book-item__image--placeholder{width:200px;height:150px;border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;font-size:.9rem;color:#9ca3af;background:linear-gradient(135deg,#0f172a99,#1e293b99);border:2px dashed rgba(148,163,184,.4);transition:all .3s ease-out}.book-item__image--placeholder:hover{border-color:#60a5fa99;background:linear-gradient(135deg,#0f172ab3,#1e293bb3)}.book-item__image-placeholder-icon{font-size:2rem;color:#6b7280;opacity:.6}.book-item__content{display:flex;width:100%;flex-direction:column;gap:.35rem}.book-item__header{display:flex;flex-direction:row;justify-content:space-between;align-items:flex-start;gap:.5rem}.book-item__title{margin:0;font-size:1.15rem}.book-item__meta{display:flex;gap:.75rem;flex-wrap:wrap}.book-item__year,.book-item__pages{display:inline-flex;align-items:center;gap:.3rem;padding:.25rem .6rem;border-radius:6px;font-size:.75rem;font-weight:500;background-color:#3b82f626;color:#93c5fd;border:1px solid rgba(59,130,246,.3);transition:all .2s ease-out}.book-item__pages{background-color:#a855f726;color:#c084fc;border-color:#a855f74d}.book-item__year:hover,.book-item__pages:hover{transform:translateY(-1px);opacity:.9}.book-item__toggle{align-self:flex-start;padding:.4rem 1rem;border-radius:8px;border:1.5px solid rgba(148,163,184,.4);background:#0f172af2;color:#e5e7eb;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s ease-out;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 2px 8px #0003}.book-item__toggle:hover:not(:disabled){background:#94a3b833;border-color:#94a3b8b3;color:#f3f4f6;transform:translateY(-2px);box-shadow:0 4px 12px #94a3b84d}.book-item__toggle:active:not(:disabled){transform:translateY(0) scale(.98)}.book-item__toggle:disabled{cursor:not-allowed;opacity:.5;background:#0f172a80}.book-item__description{margin:.35rem 0 0;font-size:.9rem;line-height:1.4;color:#cbd5f5}.book-item__header-actions{display:flex;gap:.5rem;align-items:center}.book-item__edit-button,.book-item__delete-button{padding:.4rem;border-radius:8px;border:1.5px solid rgba(148,163,184,.4);background:#0f172af2;color:#e5e7eb;cursor:pointer;transition:all .2s ease-out;display:flex;align-items:center;justify-content:center;width:36px;height:36px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 2px 8px #0000004d}.book-item__edit-button:hover{background:#3b82f640;border-color:#60a5fab3;color:#93c5fd;transform:translateY(-2px) scale(1.05);box-shadow:0 4px 12px #3b82f64d}.book-item__edit-button:active{transform:translateY(0) scale(.98)}.book-item__edit-button svg{width:18px;height:18px}.book-item__delete-button{border-color:#ef444466;color:#f87171;background:#0f172af2}.book-item__delete-button:hover{background:#ef444440;border-color:#ef4444b3;color:#fca5a5;transform:translateY(-2px) scale(1.05);box-shadow:0 4px 12px #ef44444d}.book-item__delete-button:active{transform:translateY(0) scale(.98)}.book-item__delete-button svg{width:18px;height:18px}.book-item__edit{display:flex;flex-direction:column;gap:.75rem}.book-item__edit-image-preview{width:100%;max-width:200px;height:150px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#0f172a99,#1e293b99);border:2px dashed rgba(148,163,184,.4);display:flex;align-items:center;justify-content:center;position:relative;transition:all .3s ease-out}.book-item__edit-image-preview:hover{border-color:#60a5fa99;background:linear-gradient(135deg,#0f172ab3,#1e293bb3)}.book-item__edit-image{width:100%;height:100%;object-fit:cover}.book-item__edit-image-placeholder{color:#9ca3af;font-size:.9rem;padding:1rem;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem}.book-item__edit-image-placeholder-icon{font-size:2rem;color:#6b7280;opacity:.6}.book-item__edit-image-actions{position:absolute;top:.5rem;right:.5rem;display:flex;gap:.5rem;opacity:.85;transition:opacity .2s ease-out;z-index:10}.book-item__edit-image-preview:hover .book-item__edit-image-actions{opacity:1}.book-item__file-input{display:none}.book-item__edit-image-button{width:36px;height:36px;padding:0;border-radius:8px;border:1.5px solid rgba(148,163,184,.4);background:#0f172af2;color:#e5e7eb;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease-out;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 2px 8px #0000004d}.book-item__edit-image-button:hover{background:#3b82f640;border-color:#60a5fab3;color:#93c5fd;transform:translateY(-2px) scale(1.05);box-shadow:0 4px 12px #3b82f64d}.book-item__edit-image-button:active{transform:translateY(0) scale(.98)}.book-item__edit-image-button--remove{border-color:#ef444466;color:#f87171;background:#0f172af2}.book-item__edit-image-button--remove:hover{background:#ef444440;border-color:#ef4444b3;color:#fca5a5;box-shadow:0 4px 12px #ef44444d}.book-item__edit-image-button svg{width:18px;height:18px}.book-item__edit-title{padding:.5rem;border-radius:6px;border:1px solid rgba(148,163,184,.3);background-color:#0f172a80;color:#e5e7eb;font-size:1rem;font-weight:600;font-family:inherit}.book-item__edit-title:focus{outline:none;border-color:#60a5fa80;background-color:#0f172ab3}.book-item__edit-description{padding:.5rem;border-radius:6px;border:1px solid rgba(148,163,184,.3);background-color:#0f172a80;color:#e5e7eb;font-size:.9rem;font-family:inherit;resize:vertical;min-height:80px}.book-item__edit-description:focus{outline:none;border-color:#60a5fa80;background-color:#0f172ab3}.book-item__edit-actions{display:flex;gap:.5rem;justify-content:flex-end}.book-item__save-button,.book-item__cancel-button{padding:.5rem 1.25rem;border-radius:8px;border:1.5px solid;font-size:.85rem;font-weight:500;cursor:pointer;transition:all .2s ease-out;font-family:inherit;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:0 2px 8px #0003}.book-item__save-button{background:#3b82f633;border-color:#3b82f680;color:#60a5fa}.book-item__save-button:hover{background:#3b82f640;border-color:#60a5fab3;color:#93c5fd;transform:translateY(-2px);box-shadow:0 4px 12px #3b82f64d}.book-item__save-button:active{transform:translateY(0) scale(.98);box-shadow:0 2px 6px #3b82f640}.book-item__cancel-button{background:#0f172af2;border-color:#94a3b866;color:#e5e7eb}.book-item__cancel-button:hover{background:#94a3b833;border-color:#94a3b8b3;color:#f3f4f6;transform:translateY(-2px);box-shadow:0 4px 12px #94a3b84d}.book-item__cancel-button:active{transform:translateY(0) scale(.98);box-shadow:0 2px 6px #94a3b840}