body {
    font-family: 'Segoe UI', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #1a1a1a;
    color: white;
}

.container {
    text-align: center;
}

input {
    padding: 12px;
    font-size: 18px;
    border-radius: 8px;
    border: 2px solid #444;
    background: #333;
    color: white;
    outline: none;
    text-align: center;
    letter-spacing: 5px;
}

.status-row {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 10px;
    min-height: 30px;
}

.icon {
    font-size: 24px;
    transition: transform 0.2s ease;
}

.success { color: #4CAF50; } /* Yeşil */
.error { color: #F44336; }   /* Kırmızı */