@charset "UTF-8";:root{--primary-color: #0284c7;--accent-color: #d97706;--bg-color: #0f172a;--card-bg: #1e293b;--text-main: #f8fafc;--text-muted: #94a3b8;--border-color: #334155}body.light-theme{--primary-color: #0284c7;--accent-color: #d97706;--bg-color: #f8fafc;--card-bg: #ffffff;--text-main: #0f172a;--text-muted: #64748b;--border-color: #e2e8f0}*{box-sizing:border-box;margin:0;padding:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);line-height:1.6;transition:background-color .3s,color .3s}header{background:var(--card-bg);border-bottom:1px solid var(--border-color);padding:15px 20px;position:sticky;top:0;z-index:100;transition:background-color .3s}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.logo-link{color:var(--text-main);font-size:20px;font-weight:700;text-decoration:none;transition:color .2s}.logo-link:hover{color:var(--primary-color)}.header-right{display:flex;align-items:center;gap:15px}.nav-back{color:var(--primary-color);text-decoration:none;font-size:14px;font-weight:600}.nav-back:hover{text-decoration:underline}.theme-toggle-btn{background:transparent;border:1px solid var(--border-color);color:var(--text-main);padding:6px 10px;border-radius:6px;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:background .2s}.theme-toggle-btn:hover{background:var(--border-color)}.container{max-width:1200px;margin:30px auto;padding:0 20px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px}.card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-3px);box-shadow:0 10px 20px -5px #0003}.card img{width:100%;height:260px;object-fit:cover;background:#0b0f19}.card-content{padding:15px;display:flex;flex-direction:column;flex-grow:1}.card-title{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--text-main)}.card-desc{font-size:13px;color:var(--text-muted);margin-bottom:15px;flex-grow:1}.card-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto}.price{font-size:16px;font-weight:700;color:var(--primary-color)}.btn{background:var(--primary-color);color:#fff;padding:8px 12px;border-radius:4px;text-decoration:none;font-size:13px;font-weight:700;transition:background .2s}.btn:hover{opacity:.9}.details-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;display:flex;flex-wrap:wrap;padding:30px;gap:30px;box-shadow:0 10px 25px -5px #0000001a}.details-image{flex:1;min-width:280px}.main-img{width:100%;height:350px;object-fit:cover;border-radius:6px;cursor:pointer;transition:opacity .2s}.main-img:hover{opacity:.9}.thumbnails{display:flex;gap:10px;margin-top:10px}.thumb{width:calc(33.333% - 7px);height:70px;object-fit:cover;border-radius:4px;cursor:pointer;border:2px solid transparent;transition:border-color .2s}.thumb:hover,.thumb.active{border-color:var(--primary-color)}.details-info{flex:1.5;min-width:280px;display:flex;flex-direction:column;justify-content:center}.details-info h2{font-size:24px;color:var(--text-main);margin-bottom:15px}.details-info p{font-size:15px;color:var(--text-muted);margin-bottom:25px}.price-tag{font-size:22px;font-weight:700;color:var(--primary-color);margin-bottom:25px}.buy-btn{background:var(--accent-color);color:#fff;padding:12px 20px;border-radius:6px;text-decoration:none;font-size:16px;font-weight:700;text-align:center;display:inline-block;transition:background .2s}.buy-btn:hover{opacity:.9}.modal{display:flex;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:#0f172acc;justify-content:center;align-items:center}.modal img{max-width:90%;max-height:90%;border-radius:6px;box-shadow:0 10px 25px #00000080}.close-modal{position:absolute;top:20px;right:30px;color:#fff;font-size:35px;font-weight:700;cursor:pointer}.checkout-wrapper{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 70px)}.success-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;padding:40px;max-width:500px;width:100%;text-align:center;box-shadow:0 10px 25px -5px #0000001a}.success-icon{font-size:48px;color:var(--primary-color);margin-bottom:20px}.success-card h2{color:var(--text-main);margin-bottom:15px;font-size:22px}.success-card p{color:var(--text-muted);font-size:15px;margin-bottom:30px;line-height:1.6}.header-container{display:flex;justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 20px;height:70px}.header-left{display:flex;align-items:center;gap:30px}