:root{--primary:#0cbaa4;--primary-dark:#078b7b;--navy:#2e3e4e;--dark:#17212b;--muted:#6d7780;--bg:#f5f8f8;--line:#e2e9e7;--white:#fff;--danger:#dc4c64;--warning:#d99416;--shadow:0 14px 38px rgba(27,44,47,.08);--radius:18px;--font:Tahoma,"Segoe UI",Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);background:var(--bg);color:var(--dark);line-height:1.7}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button{cursor:pointer}.container{width:min(1180px,calc(100% - 32px));margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.header-main{height:78px;display:flex;gap:22px;align-items:center}.brand{display:flex;align-items:center;gap:8px;min-width:max-content;font-weight:800;color:var(--navy);font-size:16px}.brand img{width:44px;height:44px;object-fit:contain}.brand span{display:none}.search-form{display:flex;flex:1;max-width:470px;border:1px solid var(--line);background:#f8fbfa;border-radius:14px;overflow:hidden;height:44px}.search-form input{border:0;background:transparent;outline:0;padding:0 14px;flex:1;min-width:0}.search-form button{width:48px;border:0;background:var(--primary);color:white;font-size:25px}.desktop-nav{margin-right:auto;display:flex;align-items:center;gap:13px}.nav-link{font-size:14px;font-weight:700;color:#43505a;white-space:nowrap}.nav-link:hover{color:var(--primary)}.nav-admin{color:var(--primary-dark)}.cart-link{display:flex;gap:6px;align-items:center;background:var(--navy);color:#fff;border-radius:12px;padding:8px 11px;font-weight:700;font-size:13px}.cart-link b{display:grid;place-items:center;background:var(--primary);border-radius:50%;width:20px;height:20px;font-size:11px}.button{background:var(--primary);color:#fff;border:1px solid var(--primary);border-radius:12px;padding:11px 18px;display:inline-flex;justify-content:center;align-items:center;gap:8px;font-weight:800;transition:.2s}.button:hover{background:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-1px)}.button:disabled{cursor:not-allowed;opacity:.55;transform:none}.button-outline{background:transparent;color:var(--primary);border-color:var(--primary)}.button-outline:hover{color:#fff}.button-small{font-size:13px;padding:8px 12px;border-radius:10px}.button-dark{background:var(--navy);border-color:var(--navy)}.button-block{width:100%}.menu-toggle{display:none;border:0;background:transparent;font-size:24px}.mobile-menu{display:none}.flash{width:min(1180px,calc(100% - 32px));margin:14px auto;border-radius:12px;padding:12px 42px 12px 16px;position:relative;font-weight:700}.flash-success{background:#e8faf5;color:#096c5e;border:1px solid #bcefe2}.flash-error{background:#fff0f2;color:#9e2438;border:1px solid #ffd1d9}.flash-info{background:#eef7ff;color:#245c83;border:1px solid #cfe9fc}.flash button{position:absolute;left:10px;top:8px;border:0;background:transparent;color:inherit;font-size:22px}.hero{background:linear-gradient(115deg,#113c4b,#2e3e4e 58%,#0cbaa4);color:white;padding:64px 0;overflow:hidden;position:relative}.hero:after{content:"";position:absolute;width:470px;height:470px;border:70px solid rgba(255,255,255,.07);border-radius:50%;left:-130px;bottom:-280px}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:40px;position:relative;z-index:1}.eyebrow{display:block;color:var(--primary);font-size:13px;font-weight:900;letter-spacing:.4px}.hero .eyebrow{color:#7df5e3}.hero h1{font-size:clamp(30px,4vw,51px);line-height:1.25;margin:8px 0 15px}.hero p{max-width:560px;color:#d4e9e6;font-size:17px}.hero-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}.hero .button-outline{color:white;border-color:rgba(255,255,255,.58)}.hero .button-outline:hover{background:white;color:var(--navy);border-color:white}.hero-art{position:relative;height:300px;display:grid;place-items:center}.book-stack{position:relative;width:270px;height:230px}.book-shape{position:absolute;width:170px;height:215px;border-radius:12px 19px 19px 12px;box-shadow:-12px 13px 0 rgba(0,0,0,.12),0 24px 36px rgba(0,0,0,.25);padding:24px;color:#113c4b;display:flex;align-items:end;font-weight:900;font-size:22px}.book-shape:after{content:"";position:absolute;right:14px;top:0;bottom:0;border-right:2px solid rgba(23,33,43,.16)}.book-shape.one{right:68px;top:5px;background:#f4cf73;transform:rotate(8deg)}.book-shape.two{right:18px;top:43px;background:#c9faf1;transform:rotate(-7deg)}.book-shape.three{right:110px;top:39px;background:#fff;transform:rotate(2deg)}.hero-stats{display:flex;gap:26px;margin-top:28px}.hero-stats div{border-right:1px solid rgba(255,255,255,.25);padding-right:14px}.hero-stats strong{display:block;font-size:20px}.hero-stats span{font-size:12px;color:#cbe1df}.features{margin-top:-1px;background:#fff;border-bottom:1px solid var(--line)}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr)}.feature{padding:22px 12px;display:flex;gap:10px;align-items:center;justify-content:center;border-left:1px solid var(--line)}.feature:last-child{border:0}.feature-icon{font-size:24px}.feature b{display:block;font-size:14px}.feature small{display:block;color:var(--muted);font-size:11px}.section{padding:66px 0}.section-white{background:#fff}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:27px;gap:14px}.section-heading h2{font-size:28px;line-height:1.3;margin:4px 0}.section-heading p{margin:0;color:var(--muted);font-size:14px}.text-link{font-weight:800;color:var(--primary-dark);white-space:nowrap}.books-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.book-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.25s;display:flex;flex-direction:column}.book-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.book-cover{height:265px;display:block;position:relative;background:#edf3f2;padding:14px}.book-cover img{width:100%;height:100%;object-fit:cover;border-radius:10px}.featured-tag{position:absolute;top:23px;right:23px;background:var(--primary);color:#fff;padding:3px 8px;border-radius:7px;font-size:11px;font-weight:900}.book-info{padding:15px;display:flex;flex:1;flex-direction:column}.book-category{color:var(--primary-dark);font-size:12px;font-weight:800}.book-info h3{font-size:16px;line-height:1.55;margin:5px 0;min-height:49px}.book-info h3 a:hover{color:var(--primary-dark)}.book-author{color:var(--muted);font-size:13px;margin:0 0 11px}.book-prices{margin-top:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.book-prices strong{color:var(--navy);font-size:15px}.book-prices del{color:#a0a7a8;font-size:12px}.add-cart-form{margin-top:12px}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.category-card{background:linear-gradient(145deg,#fff,#edf8f6);border:1px solid #dcebe8;border-radius:16px;padding:20px;position:relative;overflow:hidden}.category-card:after{content:"";position:absolute;left:-22px;bottom:-28px;width:90px;height:90px;border-radius:50%;background:rgba(12,186,164,.09)}.category-card span{font-size:26px;display:block;position:relative;z-index:1}.category-card h3{font-size:17px;margin:9px 0 4px;position:relative;z-index:1}.category-card small{color:var(--muted);position:relative;z-index:1}.cta-banner{padding:34px;border-radius:22px;background:linear-gradient(110deg,#0cbaa4,#078b7b);color:white;display:flex;justify-content:space-between;align-items:center;gap:22px}.cta-banner h2{margin:0 0 4px;font-size:27px}.cta-banner p{margin:0;color:#d6fffa}.cta-banner .button{background:white;color:var(--primary-dark);border-color:white}.site-footer{background:#15232c;color:#d6e1e0;padding-top:46px}.footer-grid{display:grid;grid-template-columns:1.35fr .8fr .9fr .8fr;gap:35px}.footer-logo{width:120px;filter:brightness(0) invert(1);margin-bottom:10px}.site-footer p{font-size:13px;color:#aebfc0}.site-footer h3{font-size:15px;color:white;margin:0 0 13px}.site-footer section a:not(.button){display:block;margin:8px 0;font-size:13px;color:#c6d5d4}.site-footer section a:hover{color:#65e6d4}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:35px;padding:16px 0;color:#aebfc0;font-size:12px}.footer-bottom a{color:#7df5e3}.page-head{padding:42px 0 25px;background:white;border-bottom:1px solid var(--line)}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:8px}.page-head h1{margin:0;font-size:31px}.catalog-layout{display:grid;grid-template-columns:260px 1fr;gap:25px;padding:36px 0 65px}.filter-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;height:max-content;position:sticky;top:100px}.filter-box h3{margin:0 0 13px;font-size:16px}.filter-list{display:grid;gap:7px}.filter-list a{font-size:14px;padding:8px 10px;border-radius:9px;color:#4d5961}.filter-list a:hover,.filter-list a.active{background:#ebfaf7;color:var(--primary-dark);font-weight:800}.catalog-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.catalog-top p{color:var(--muted);margin:0;font-size:14px}.sort-select{border:1px solid var(--line);border-radius:10px;padding:9px;background:white;outline:0}.pagination{display:flex;gap:8px;margin-top:30px}.pagination a,.pagination span{padding:8px 12px;border-radius:8px;border:1px solid var(--line);background:white;font-weight:700}.pagination .current{background:var(--primary);color:white;border-color:var(--primary)}.book-detail{padding:48px 0 70px;display:grid;grid-template-columns:370px 1fr;gap:44px}.book-detail-cover{background:#eaf3f1;border-radius:20px;padding:22px;height:500px}.book-detail-cover img{width:100%;height:100%;object-fit:cover;border-radius:12px}.book-detail h1{font-size:35px;line-height:1.35;margin:5px 0}.book-meta{display:flex;gap:12px;color:var(--muted);flex-wrap:wrap;font-size:14px}.book-price-large{font-size:27px;color:var(--primary-dark);font-weight:900;margin:18px 0}.book-desc{color:#4f5d65;white-space:pre-line}.stock-ok{font-weight:800;color:#168770}.stock-out{font-weight:800;color:var(--danger)}.quantity-row{display:flex;gap:10px;align-items:center;margin:20px 0}.quantity-row input{width:75px;padding:11px;border:1px solid var(--line);border-radius:10px;text-align:center}.details-table{width:100%;border-collapse:collapse;margin-top:22px;background:white;border:1px solid var(--line);border-radius:14px;overflow:hidden}.details-table td{padding:12px;border-bottom:1px solid var(--line);font-size:14px}.details-table tr:last-child td{border:0}.details-table td:first-child{font-weight:800;color:var(--navy);width:150px;background:#f8fbfa}.cart-page,.checkout-page,.account-page{padding:42px 0 70px}.cart-layout,.checkout-layout{display:grid;grid-template-columns:1fr 340px;gap:26px}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}.panel h2,.panel h3{margin-top:0}.cart-item{display:grid;grid-template-columns:85px 1fr 105px 100px 36px;gap:15px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.cart-item:last-child{border-bottom:0}.cart-item img{width:76px;height:94px;object-fit:cover;border-radius:9px}.cart-item h3{font-size:15px;margin:0 0 3px}.cart-item p{font-size:13px;margin:0;color:var(--muted)}.cart-item input{width:70px;padding:8px;text-align:center;border:1px solid var(--line);border-radius:8px}.remove-button{background:#fff0f2;color:var(--danger);border:0;border-radius:7px;padding:7px;font-size:17px}.summary-row{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}.summary-row.total{font-size:18px;font-weight:900;color:var(--navy);border:0}.coupon-form{display:flex;gap:8px;margin:14px 0}.coupon-form input{min-width:0;flex:1}.form-grid{display:grid;gap:15px}.form-grid.two{grid-template-columns:1fr 1fr}.form-grid label{font-weight:800;font-size:14px;color:#33424d}.form-grid input,.form-grid textarea,.form-grid select,.field{display:block;width:100%;border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px 12px;margin-top:6px;outline:0;color:var(--dark)}.form-grid input:focus,.form-grid textarea:focus,.form-grid select:focus,.field:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(12,186,164,.11)}.form-grid textarea{min-height:110px;resize:vertical}.form-help{font-size:12px;color:var(--muted);margin:4px 0 0}.payment-options{display:grid;gap:10px}.payment-option{border:1px solid var(--line);border-radius:11px;padding:12px;cursor:pointer}.payment-option:has(input:checked){border-color:var(--primary);background:#effcf9}.auth-page{min-height:100vh;background:linear-gradient(135deg,#edf7f5,#f7f9fa);display:grid;place-items:center;padding:24px}.auth-card{width:min(465px,100%);background:white;border:1px solid var(--line);padding:34px;border-radius:22px;box-shadow:var(--shadow)}.auth-logo{text-align:center;margin-bottom:25px}.auth-logo .brand{justify-content:center}.auth-card h1{margin:4px 0 5px;font-size:28px}.auth-card>p{color:var(--muted);font-size:14px}.auth-note{text-align:center;margin-top:18px}.auth-note a{color:var(--primary-dark);font-weight:800}.account-layout{display:grid;grid-template-columns:240px 1fr;gap:25px}.account-menu{height:max-content}.account-menu a{display:block;padding:11px;border-radius:9px;font-weight:700;font-size:14px}.account-menu a.active,.account-menu a:hover{background:#eafaf7;color:var(--primary-dark)}.order-card{border:1px solid var(--line);border-radius:13px;padding:16px;margin-bottom:12px}.order-card-top{display:flex;justify-content:space-between;gap:12px;align-items:center}.order-card h3{margin:0;font-size:15px}.order-card p{color:var(--muted);margin:6px 0 0;font-size:13px}.badge{padding:4px 8px;border-radius:99px;font-size:11px;font-weight:900;white-space:nowrap}.badge-new{background:#e7f4ff;color:#2774a7}.badge-confirmed{background:#f2edff;color:#6b48ad}.badge-preparing{background:#fff5dd;color:#98690b}.badge-shipped{background:#e8f9f8;color:#087f78}.badge-delivered{background:#e8f8ef;color:#16804e}.badge-cancelled{background:#fff0f2;color:#b42f49}.empty-state{text-align:center;padding:48px 20px;background:white;border:1px dashed #cbdad7;border-radius:18px}.empty-icon{font-size:45px;color:var(--primary);line-height:1}.empty-state h3{margin:8px 0}.empty-state p{color:var(--muted);margin:0 0 16px}.admin-body{background:#f2f6f5}.admin-shell{min-height:100vh;display:grid;grid-template-columns:250px 1fr;direction:rtl}.admin-sidebar{background:#16242d;color:#e3eeee;padding:20px 12px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.admin-brand{padding:0 8px 21px;border-bottom:1px solid rgba(255,255,255,.1)}.admin-brand .brand{color:#fff}.admin-brand .brand img{filter:brightness(0) invert(1)}.admin-sidebar nav{padding:18px 0;display:grid;gap:4px}.admin-sidebar nav a{padding:11px 12px;border-radius:10px;font-size:14px;font-weight:700;color:#a9b9bc;display:flex;gap:12px;align-items:center}.admin-sidebar nav a span{font-size:18px;width:22px;text-align:center}.admin-sidebar nav a:hover,.admin-sidebar nav a.active{background:#0d413f;color:#fff}.admin-sidebar nav a.active{box-shadow:inset -3px 0 0 var(--primary)}.sidebar-bottom{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding-top:13px;display:grid;gap:8px}.sidebar-bottom a{font-size:13px;color:#b8c7ca;padding:6px 9px}.admin-main{min-width:0}.admin-header{height:91px;background:white;border-bottom:1px solid var(--line);padding:0 30px;display:flex;justify-content:space-between;align-items:center}.admin-header h1{font-size:23px;margin:0}.admin-header p{font-size:12px;margin:2px 0;color:var(--muted)}.admin-profile{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#e8faf7;color:var(--primary-dark)}.admin-menu-toggle{display:none}.admin-content{padding:25px 30px 45px}.admin-grid-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;margin-bottom:23px}.stat-card{background:white;border:1px solid var(--line);border-radius:15px;padding:17px;position:relative;overflow:hidden}.stat-card:before{content:"";position:absolute;width:80px;height:80px;border-radius:50%;left:-23px;top:-30px;background:#e9faf6}.stat-label{color:var(--muted);font-size:12px;font-weight:800;position:relative}.stat-value{display:block;font-size:25px;color:var(--navy);font-weight:900;margin-top:4px;position:relative}.stat-icon{position:absolute;left:16px;bottom:15px;color:var(--primary);font-size:22px}.admin-card{background:white;border:1px solid var(--line);border-radius:15px;padding:20px;margin-bottom:20px}.admin-card-title{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:17px}.admin-card-title h2{font-size:17px;margin:0}.admin-card-title p{margin:0;color:var(--muted);font-size:12px}.admin-toolbar{display:flex;justify-content:space-between;gap:13px;align-items:center;margin-bottom:16px}.admin-toolbar form{display:flex;gap:8px;flex:1;max-width:440px}.admin-toolbar input{margin:0}.admin-table-wrap{overflow:auto}.admin-table{width:100%;border-collapse:collapse;min-width:650px}.admin-table th{text-align:right;background:#f7faf9;color:#5c6b73;font-size:12px;padding:11px;border-bottom:1px solid var(--line)}.admin-table td{padding:12px 11px;border-bottom:1px solid var(--line);font-size:13px;vertical-align:middle}.admin-table tr:last-child td{border-bottom:0}.table-book{display:flex;align-items:center;gap:9px;min-width:180px}.table-book img{width:34px;height:44px;object-fit:cover;border-radius:5px}.table-actions{display:flex;gap:5px}.icon-button{padding:6px 9px;border:1px solid var(--line);background:white;border-radius:7px;color:var(--navy);font-size:12px}.icon-button.edit:hover{border-color:var(--primary);color:var(--primary-dark)}.icon-button.delete:hover{border-color:var(--danger);color:var(--danger)}.admin-form{max-width:950px}.admin-form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.admin-form-grid .full{grid-column:1/-1}.checkbox-row{display:flex;gap:18px;flex-wrap:wrap;align-items:center}.checkbox-row label{display:flex;gap:7px;align-items:center;font-size:14px;font-weight:700}.image-preview{width:120px;height:160px;border-radius:10px;object-fit:cover;border:1px solid var(--line);display:block;margin-top:8px}.form-actions{display:flex;gap:10px;margin-top:22px}.status-select{padding:8px;border:1px solid var(--line);border-radius:8px;background:white}.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.info-item{background:#f8fbfa;border:1px solid #e5edeb;border-radius:10px;padding:11px}.info-item span{display:block;font-size:11px;color:var(--muted)}.info-item strong{font-size:14px}.order-items-admin{margin-top:16px}.order-items-admin table{width:100%;border-collapse:collapse}.order-items-admin td,.order-items-admin th{padding:9px;border-bottom:1px solid var(--line);font-size:13px;text-align:right}.muted{color:var(--muted)}.danger{color:var(--danger)}
@media(max-width:980px){.desktop-nav{gap:8px}.desktop-nav .nav-link{display:none}.books-grid{grid-template-columns:repeat(3,1fr)}.category-grid{grid-template-columns:repeat(3,1fr)}.admin-grid-stats{grid-template-columns:repeat(2,1fr)}.admin-shell{grid-template-columns:210px 1fr}.admin-sidebar{padding:15px 9px}.admin-header,.admin-content{padding-right:20px;padding-left:20px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.header-main{height:67px;gap:10px}.brand img{width:38px;height:38px}.search-form{display:none}.desktop-nav{margin-right:auto}.desktop-nav .button,.desktop-nav .cart-link{display:none}.menu-toggle{display:block}.mobile-menu.show{display:grid}.mobile-menu{padding:12px 16px;border-top:1px solid var(--line);background:#fff;gap:7px}.mobile-menu a{padding:10px;border-radius:8px;font-weight:800}.mobile-menu a:hover{background:#ebfaf7}.hero{padding:48px 0}.hero-grid{grid-template-columns:1fr}.hero-art{display:none}.hero-stats{gap:14px}.feature-grid{grid-template-columns:repeat(2,1fr)}.feature{justify-content:flex-start;padding:15px}.books-grid{grid-template-columns:repeat(2,1fr);gap:12px}.book-cover{height:208px;padding:10px}.book-info{padding:11px}.book-info h3{font-size:14px}.category-grid{grid-template-columns:repeat(2,1fr)}.section{padding:43px 0}.section-heading h2{font-size:23px}.section-heading{align-items:center}.section-heading p{display:none}.cta-banner{padding:23px;display:block}.cta-banner .button{margin-top:15px}.footer-grid{grid-template-columns:1fr 1fr;gap:22px}.catalog-layout{grid-template-columns:1fr;padding-top:23px}.filter-box{position:static}.filter-list{grid-template-columns:repeat(2,1fr)}.book-detail{grid-template-columns:1fr;padding-top:27px;gap:22px}.book-detail-cover{height:405px;max-width:350px;margin:auto;width:100%}.book-detail h1{font-size:27px}.cart-layout,.checkout-layout,.account-layout{grid-template-columns:1fr}.cart-item{grid-template-columns:65px 1fr 75px 30px;gap:9px}.cart-item .cart-price{display:none}.cart-item img{width:60px;height:76px}.cart-item h3{font-size:13px}.form-grid.two,.admin-form-grid{grid-template-columns:1fr}.cart-page,.checkout-page,.account-page{padding-top:25px}.admin-shell{display:block}.admin-sidebar{position:fixed;z-index:50;right:-260px;width:250px;transition:.25s}.admin-sidebar.open{right:0}.admin-header{height:73px;padding:0 16px}.admin-header h1{font-size:19px}.admin-header p{display:none}.admin-menu-toggle{display:block;border:0;background:#effaf8;border-radius:8px;padding:7px;color:var(--primary-dark);font-size:18px}.admin-content{padding:17px 14px}.admin-grid-stats{grid-template-columns:1fr 1fr;gap:10px}.stat-card{padding:13px}.stat-value{font-size:19px}.admin-toolbar{align-items:stretch;flex-direction:column}.admin-toolbar form{max-width:none}.info-grid{grid-template-columns:1fr}.admin-card{padding:14px}.footer-grid{grid-template-columns:1fr}.footer-grid section{border-bottom:1px solid rgba(255,255,255,.09);padding-bottom:12px}.footer-grid section:last-child{border:0}.auth-card{padding:26px 20px}}