/* Giriş ekranı — telefon öncelikli, tek kart. */

* { box-sizing: border-box; }

html, body {
    height: 100%;
    margin: 0;
    font-family: system-ui, "Segoe UI", Roboto, sans-serif;
}

.giris-sayfa {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100%;
    padding: 16px;
    background: #1f2937;
}

.giris-kart {
    width: 100%;
    max-width: 360px;
    padding: 28px 24px calc(24px + env(safe-area-inset-bottom, 0px));
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 10px 40px rgba(0, 0, 0, .35);
}

.giris-kart__baslik {
    margin: 0;
    font-size: 22px;
    color: #1f2937;
}

.giris-kart__alt {
    margin: 4px 0 20px;
    color: #6b7280;
    font-size: 13px;
}

.giris-hata {
    margin: 0 0 14px;
    padding: 9px 12px;
    border-radius: 8px;
    background: #fef2f2;
    color: #b91c1c;
    font-size: 13px;
}

.giris-etiket {
    display: block;
    margin: 12px 0 5px;
    color: #374151;
    font-size: 13px;
    font-weight: 600;
}

.giris-girdi {
    width: 100%;
    min-height: 46px;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    /* 16px altı iOS'ta odaklanınca sayfayı yakınlaştırıyor */
    font-size: 16px;
}

.giris-girdi:focus {
    outline: 2px solid #2563eb;
    outline-offset: -1px;
    border-color: #2563eb;
}

.giris-buton {
    width: 100%;
    min-height: 48px;
    margin-top: 20px;
    border: 0;
    border-radius: 8px;
    background: #2563eb;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.giris-buton:hover { background: #1d4ed8; }