/* Temel sıfırlama */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    font-family: Arial, sans-serif;
    background-color: #0468b3;
}

/* Görsel alanı */
.image-wrapper {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Görsel tam sığsın, kırpılmasın */
.full-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    z-index: 1;
}

/* Form üstte sabit */
.tc-form {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* TC girişi */
.tc-form input[type="text"] {
    width: 300px;
    padding: 14px;
    font-size: 18px;
    text-align: center;
    border: 2px solid #ffffff;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.9); /* ✔️ Daha açık arka plan */
    color: #000000; /* ✔️ Siyah yazı */
    box-shadow: 0 0 10px rgba(0,0,0,0.3); /* ✔️ Gölge efekti */
    transition: all 0.3s ease;
}

.tc-form input[type="text"]:focus {
    outline: none;
    border-color: #005bb5; /* ✔️ Maviye vurgu */
    box-shadow: 0 0 15px rgba(0, 91, 181, 0.6);
}
/* Buton */
.tc-form button {
    margin-top: 12px;
    padding: 10px 20px;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid #fff;
    color: #fff;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.tc-form button:hover {
    background: rgba(255, 255, 255, 0.4);
}