/**
 * ======================================================
 * İşletme Dersleri v1.0
 * Giriş Ekranı
 * ======================================================
 */
.giris-ekrani {
    position: fixed;
    inset: 0;
    background: #EEF0F3;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: var(--space-md);
}
.giris-kutu {
    background: #FFFFFF;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(20, 30, 45, 0.12);
    padding: var(--space-xl) var(--space-lg);
    width: 100%;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-sm);
}
.giris-logo-cerceve {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: #1B3A5B;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: var(--space-xs);
}
.giris-logo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.giris-baslik {
    font-family: var(--font-display);
    font-size: 22px;
    color: #1F2733;
    margin: 0;
}
.giris-alt-baslik {
    color: #5B6472;
    font-size: 14px;
    margin: 0 0 var(--space-sm);
}
.giris-input {
    width: 100%;
    padding: 13px 16px;
    border-radius: 999px;
    border: 1px solid #E1E4E9;
    background: #F7F8FA;
    color: #1F2733;
    font-size: 14px;
    text-align: center;
    outline: none;
}
.giris-input:focus {
    border-color: #1B3A5B;
}
.giris-buton {
    width: 100%;
    padding: 13px 16px;
    border: none;
    border-radius: 999px;
    background: #1B3A5B;
    color: #FFFFFF;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: .18s;
}
.giris-buton:hover {
    background: #24476D;
}
.giris-buton:disabled {
    opacity: 0.6;
    cursor: default;
}
.giris-hata {
    color: #C43E3E;
    font-size: 13px;
    min-height: 16px;
}
.giris-atla {
    background: none;
    border: none;
    color: #5B6472;
    font-size: 13px;
    cursor: pointer;
    text-decoration: underline;
    margin-top: var(--space-xs);
}
.giris-atla:hover {
    color: #1B3A5B;
}