*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,sans-serif;background:linear-gradient(135deg,#042f2e 0%,#0f766e 100%);min-height:100vh;color:#e0e0e0;line-height:1.6}
.container{max-width:1200px;margin:0 auto;padding:20px}
header{background:linear-gradient(135deg,#14b8a6,#0d9488);padding:30px;border-radius:12px;margin-bottom:30px;box-shadow:0 8px 32px rgba(0,0,0,.3);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}
header h1{color:#fff;font-size:2.5em;text-shadow:2px 2px 4px rgba(0,0,0,.3)}
nav{display:flex;gap:20px;flex-wrap:wrap}
nav a{color:#fff;text-decoration:none;padding:8px 16px;background:rgba(255,255,255,.1);border-radius:6px;transition:all .3s;backdrop-filter:blur(10px)}
nav a:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.box{background:rgba(255,255,255,.05);padding:30px;border-radius:12px;margin-bottom:30px;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);box-shadow:0 8px 32px rgba(0,0,0,.3)}
.box h2{color:#5eead4;margin-bottom:20px;font-size:1.8em}
.categories{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px;padding:20px;background:rgba(255,255,255,.05);border-radius:12px}
.cat-btn{background:rgba(255,255,255,.1);color:#5eead4;padding:8px 16px;border-radius:20px;text-decoration:none;font-size:.9em;transition:all .3s}
.cat-btn:hover,.cat-btn.active{background:linear-gradient(135deg,#14b8a6,#0d9488);color:#fff}
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:25px;margin-bottom:30px}
.product-card{background:rgba(255,255,255,.05);border-radius:12px;border:1px solid rgba(255,255,255,.1);overflow:hidden;transition:all .3s}
.product-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(20,184,166,.3);border-color:rgba(94,234,212,.3)}
.product-card img,.no-image{width:100%;height:200px;object-fit:cover;background:rgba(0,0,0,.2);display:flex;align-items:center;justify-content:center;font-size:3em}
.product-card h3{padding:20px 20px 10px;color:#5eead4;font-size:1.3em}
.product-card p{padding:0 20px 15px;color:#9ca3af;font-size:.95em}
.product-footer{padding:15px 20px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.1)}
.price{font-size:1.4em;font-weight:700;color:#5eead4}
.btn-add{background:linear-gradient(135deg,#14b8a6,#0d9488);color:#fff;padding:8px 16px;border-radius:6px;text-decoration:none;font-weight:600;transition:all .3s;font-size:.9em}
.btn-add:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(20,184,166,.4)}
.form-group{margin-bottom:20px}
.form-group label{display:block;margin-bottom:8px;color:#5eead4;font-weight:600}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}
input[type="text"],input[type="email"],input[type="number"],input[type="file"],input[type="password"],textarea,select{width:100%;padding:12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:6px;color:#e0e0e0;font-size:1em;transition:all .3s}
input:focus,textarea:focus,select:focus{outline:none;border-color:#14b8a6;background:rgba(255,255,255,.15);box-shadow:0 0 0 3px rgba(20,184,166,.1)}
textarea{resize:vertical;font-family:inherit}
button,.btn-primary,.btn-small,.btn-del,.btn-checkout,.btn-paypal,.btn-remove{background:linear-gradient(135deg,#14b8a6,#0d9488);color:#fff;padding:12px 24px;border:none;border-radius:6px;cursor:pointer;font-size:1em;font-weight:600;transition:all .3s;box-shadow:0 4px 15px rgba(20,184,166,.3);text-decoration:none;display:inline-block}
button:hover,.btn-primary:hover,.btn-checkout:hover,.btn-paypal:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(20,184,166,.4)}
.btn-small{padding:6px 12px;font-size:.9em;margin-right:5px}
.btn-del,.btn-remove{background:linear-gradient(135deg,#dc2626,#991b1b)}
.btn-paypal{background:linear-gradient(135deg,#0070ba,#003087);box-shadow:0 4px 15px rgba(0,112,186,.3)}
.btn-paypal:hover{box-shadow:0 6px 20px rgba(0,112,186,.4)}
.error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:#fca5a5;padding:15px;border-radius:8px;margin-bottom:20px;font-weight:500}
.success{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);color:#86efac;padding:15px;border-radius:8px;margin-bottom:20px;font-weight:500}
.empty{text-align:center;padding:60px 20px;color:#6b7280;font-size:1.2em}
table,.cart-table,.summary-table{width:100%;border-collapse:collapse;margin-top:20px;background:rgba(255,255,255,.03);border-radius:8px;overflow:hidden}
table th{background:rgba(20,184,166,.2);color:#5eead4;padding:15px;text-align:left;font-weight:600}
table td{padding:15px;border-top:1px solid rgba(255,255,255,.05)}
table tr:hover{background:rgba(255,255,255,.05)}
.summary-table{background:transparent}
.summary-table td{padding:12px;border-bottom:1px solid rgba(255,255,255,.1)}
.summary-table .total-row td{border-top:2px solid #14b8a6;padding-top:15px;font-size:1.2em;color:#5eead4}
.checkout-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:30px}
.badge-on,.badge-off{padding:4px 12px;border-radius:20px;font-size:.85em;font-weight:600}
.badge-on{background:rgba(34,197,94,.2);color:#86efac}
.badge-off{background:rgba(239,68,68,.2);color:#fca5a5}
.status-pending{color:#fbbf24}
.status-paid{color:#4ade80}
.status-shipped{color:#60a5fa}
.status-completed{color:#86efac}
.status-cancelled{color:#fca5a5}
footer{text-align:center;padding:30px;color:#9ca3af;margin-top:50px}
@media(max-width:768px){
header{flex-direction:column;text-align:center}
header h1{font-size:1.8em}
.products-grid{grid-template-columns:1fr}
.form-row,.checkout-grid{grid-template-columns:1fr}
}