/* Önceki stillere ek olarak veya tamamen değiştirerek kullanabilirsiniz */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: #fff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 550px;
}

.card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.3);
}

.brand-name {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 3px;
    color: #60efff;
    text-transform: uppercase;
    margin-bottom: 10px;
    opacity: 0.9;
}

.main-card .logo {
    font-size: 50px;
    margin-bottom: 15px;
}

h1 {
    font-size: 24px;
    margin-bottom: 15px;
    font-weight: 700;
}

p {
    font-size: 14px;
    color: #ccc;
    line-height: 1.6;
    margin-bottom: 25px;
}

/* --- YENİ EKLENEN ÜRÜN GÖRSEL KUTUSU --- */
.product-box {
    background: rgba(255, 255, 255, 0.05);
    border: 1px dashed rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0;
}

.product-img {
    max-width: 100%;
    height: 180px;
    object-fit: contain; /* Görselin oranını bozmadan sığdırır */
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.product-name {
    font-size: 20px;
    color: #00ff87;
    font-weight: 600;
}
/* ------------------------------------- */

.form-group {
    margin-bottom: 20px;
}

input[type="text"] {
    width: 100%;
    padding: 15px 20px;
    font-size: 16px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    background: rgba(0,0,0,0.2);
    color: #fff;
    text-align: center;
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

input[type="text"]:focus {
    border-color: #00ff87;
    outline: none;
    box-shadow: 0 0 10px rgba(0, 255, 135, 0.3);
}

.btn {
    display: block;
    width: 100%;
    padding: 15px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(45deg, #00ff87, #60efff);
    color: #000;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 135, 0.4);
}

.btn-support {
    background: linear-gradient(45deg, #00c6ff, #0072ff);
    color: #fff;
    margin-top: 20px;
    box-shadow: 0 4px 15px rgba(0, 114, 255, 0.3);
}

.btn-support:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 114, 255, 0.5);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: #fff;
    margin-top: 15px;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.2);
}

.alert {
    padding: 12px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 20px;
    text-align: left;
}

.alert-danger {
    background: rgba(255, 76, 76, 0.2);
    border: 1px solid #ff4c4c;
    color: #ff8888;
}

.alert-info {
    background: rgba(96, 239, 255, 0.1);
    border: 1px solid #60efff;
    color: #aaeaff;
    margin-top: 20px;
}

.logo-reward {
    font-size: 60px;
    animation: bounce 2s infinite;
}

.success-title {
    color: #00ff87;
}

.code-info {
    font-size: 15px;
    background: rgba(0,0,0,0.3);
    padding: 5px 15px;
    border-radius: 20px;
    display: inline-block;
}

.reward-details {
    text-align: left;
    background: rgba(0,0,0,0.15);
    padding: 20px;
    border-radius: 8px;
}

.reward-details h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #60efff;
}

.reward-details ul {
    list-style: none;
    font-size: 13px;
    color: #ddd;
}

.reward-details ul li {
    margin-bottom: 8px;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-pop {
    animation: popIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes popIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}