:root{--color-primary: #2E1A47;--color-secondary: #C5A059;--color-bg: #F9F7F2;--color-text: #333333;--color-text-light: #666666;--color-white: #ffffff;--shadow-opacity: .1}[data-theme=dark]{--color-primary: #a38ec4;--color-secondary: #d4b470;--color-bg: #1a1025;--color-text: #e0e0e0;--color-text-light: #bbbbbb;--color-white: #2d1f3f;--shadow-opacity: .4}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:Lato,sans-serif;background-color:var(--color-bg);color:var(--color-text);font-size:16px;line-height:1.6}body[dir=rtl]{font-family:Vazirmatn,sans-serif}h1,h2,h3,h4,h5,h6{font-family:Playfair Display,serif;color:var(--color-primary);margin-bottom:1rem;font-weight:700}a{text-decoration:none;color:inherit;transition:color .3s ease}a:hover{color:var(--color-secondary)}ul{list-style:none}img{max-width:100%;display:block}header:not(.page-header){background-color:var(--color-white);box-shadow:0 4px 6px #0000001a;position:sticky;top:0;z-index:1000}header:not(.page-header) nav{width:90%;max-width:1200px;margin:0 auto;padding:1rem;display:flex;justify-content:space-between;align-items:center}header:not(.page-header) nav .logo{font-family:Playfair Display,serif;font-size:1.5rem;font-weight:700;color:var(--color-primary)}main{min-height:80vh}footer{background-color:var(--color-primary);color:var(--color-white);padding:4rem 0;margin-top:4rem}footer .footer-content{width:90%;max-width:1200px;margin:0 auto;padding:0 1rem;text-align:center}footer .footer-content p{opacity:.8;font-size:.9rem}.heart-icon{display:inline-block;color:#e25555;margin:0 .3rem;animation:heartbeat 1.5s infinite}.footer-link{color:inherit;text-decoration:none;transition:all .2s ease;border-bottom:1px solid transparent}.footer-link:hover{text-decoration:none;border-bottom:1px solid currentColor}.nav-links{display:flex;gap:2rem}.nav-links li a{font-weight:500;text-transform:uppercase;letter-spacing:1px;font-size:.9rem;position:relative}.nav-links li a.active{color:var(--color-secondary)}.nav-links li a.active:after{width:100%}.nav-links li a:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background-color:var(--color-secondary);transition:width .3s ease}.nav-links li a:hover:after{width:100%}.menu-toggle{display:none;background:none;border:none;cursor:pointer;font-size:1.5rem;color:var(--color-primary)}@media (max-width: 576px){.menu-toggle{display:block}.nav-links{position:absolute;top:100%;left:0;width:100%;flex-direction:column;background-color:var(--color-white);padding:2rem;gap:1rem;box-shadow:0 4px 6px #0000001a;transform:translateY(-20px);opacity:0;pointer-events:none;transition:all .3s ease}.nav-links.active{transform:translateY(0);opacity:1;pointer-events:all}}.btn{display:inline-block;padding:.8rem 2rem;font-family:Playfair Display,serif;font-weight:700;border:2px solid transparent;transition:all .3s ease;cursor:pointer;letter-spacing:.5px}.btn-primary{background-color:var(--color-primary);color:var(--color-white);border-color:var(--color-primary)}.btn-primary:hover{background-color:transparent;color:var(--color-primary)}.btn-secondary{background-color:transparent;color:var(--color-primary);border-color:var(--color-primary)}.btn-secondary:hover{background-color:var(--color-primary);color:var(--color-white)}.btn-details{padding:.5rem 1.5rem;font-size:.9rem;background-color:var(--color-secondary);color:var(--color-white)}.btn-details:hover{filter:brightness(1.1)}.btn.disabled,.btn[disabled]{opacity:.6;cursor:not-allowed;pointer-events:none;background-color:#ccc;border-color:#ccc;color:#666}.hero{padding:0 0 8rem;background-color:#f4f1ea;text-align:center}.hero h1{font-size:3.5rem;margin:2rem;color:var(--color-primary)}@media (max-width: 576px){.hero h1{font-size:2.5rem}}.hero p{font-size:1.2rem;max-width:700px;margin:0 auto 4rem;color:var(--color-text-light)}.hero .hero-carousel{position:relative;width:100%;height:1000px;margin-bottom:2rem;overflow:hidden;border-radius:4px;box-shadow:0 4px 6px #0000001a}.hero .hero-carousel .carousel-item{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;transition:opacity 1.5s ease-in-out}.hero .hero-carousel .carousel-item.active{opacity:1}.hero .hero-carousel .carousel-item img{width:100%;height:100%;object-fit:cover}.hero .hero-carousel .carousel-item .caption{position:absolute;bottom:20%;left:50%;transform:translate(-50%);width:80%;text-align:center}.hero .hero-carousel .carousel-item .caption h2{color:var(--color-white);font-family:Playfair Display,serif;font-size:2.5rem;text-shadow:2px 2px 4px rgba(0,0,0,.8);margin:0;margin-bottom:0!important}.book-card{background-color:var(--color-white);padding:2rem;box-shadow:0 4px 6px #0000001a;transition:transform .3s ease,box-shadow .3s ease;display:flex;flex-direction:column;height:100%}.book-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px #00000026}.book-card .book-cover{height:350px;background-color:#eee;margin-bottom:1rem;display:flex;align-items:center;justify-content:center;color:#999;font-style:italic}.book-card .book-cover img{width:100%;height:100%;object-fit:cover}.book-card .book-info{flex-grow:1;display:flex;flex-direction:column}.book-card .book-info h3{font-size:1.4rem;margin-bottom:.5rem}.book-card .book-info .author{color:var(--color-secondary);font-style:italic;margin-bottom:1rem;font-family:Playfair Display,serif}.book-card .book-info p{color:var(--color-text-light);font-size:.9rem;margin-bottom:2rem;flex-grow:1}.book-card .book-info .actions{margin-top:auto}.home-section{padding:4rem 0}.home-section h2{text-align:center;margin-bottom:2rem;font-size:2.5rem}.featured-books{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:4rem;padding:4rem 0}.page-header{background-color:var(--color-primary);color:var(--color-white);padding:4rem 0;text-align:center;z-index:auto}.page-header h1{color:var(--color-white);margin-bottom:.5rem}.page-header p{color:#fffc;font-family:Playfair Display,serif;font-style:italic}