/* ===========================================================================
   Kule Lift — ortak giriş ekranı dili
   Panel (/ofopanel), personel (/personel), yönetici (/yonetici) ve servis (/servis)
   giriş ekranları aynı görünür: antrasit zemin üzerinde ince mühendislik ızgarası,
   üstte uygulama ikonu, firma adı ve uygulama etiketi, altta beyaz form kartı.

   Kullanım:
     <body class="gr">
       <div class="gr-kap">
         <header class="gr-marka">
           <img class="gr-ikon" src="…">           ← uygulamanın PWA ikonu
           <h1 class="gr-firma">Kule Lift Mühendislik</h1>
           <div class="gr-uygulama">Yönetici Portalı</div>
         </header>
         <main class="gr-kart"> … form … </main>
         <footer class="gr-alt"> … </footer>
       </div>
     </body>
   =========================================================================== */

.gr {
    margin: 0;
    min-height: 100vh;
    color: #E6EAF0;
    font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    background-color: #1F2429;
    background-image:
        linear-gradient(rgba(255, 255, 255, .055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .055) 1px, transparent 1px),
        radial-gradient(circle at 18% 12%, rgba(229, 160, 13, .12) 0%, transparent 46%),
        radial-gradient(circle at 84% 84%, rgba(229, 160, 13, .07) 0%, transparent 52%);
    background-size: 46px 46px, 46px 46px, 100% 100%, 100% 100%;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(28px + env(safe-area-inset-top)) 16px calc(28px + env(safe-area-inset-bottom));
}

.gr-kap {
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
}

/* --- Marka bloğu: ikon → firma adı → uygulama etiketi --- */
.gr-marka {
    text-align: center;
    margin-bottom: 22px;
}

.gr-ikon {
    width: 84px;
    height: 84px;
    border-radius: 22px;
    display: block;
    margin: 0 auto 14px;
    object-fit: cover;
    background: #fff;
    box-shadow: 0 16px 38px rgba(0, 0, 0, .45);
}

.gr .gr-firma {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin: 0;
    letter-spacing: -.2px;
    line-height: 1.25;
}

.gr-uygulama {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.6px;
    text-transform: uppercase;
    color: #E5A00D;
    margin-top: 5px;
}

/* --- Form kartı --- */
.gr-kart {
    background: #fff;
    border-radius: 20px;
    padding: 26px 22px;
    color: #0F172A;
    box-shadow: 0 28px 70px rgba(0, 0, 0, .42);
}

.gr-kart h2 {
    font-size: 18px;
    font-weight: 800;
    margin: 0 0 4px;
    color: #0F172A;
}

.gr-kart .gr-aciklama {
    font-size: 13px;
    color: #64748B;
    margin-bottom: 20px;
}

.gr-kart label,
.gr-kart .form-label {
    font-size: 10.5px;
    font-weight: 800;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: #64748B;
    margin-bottom: 7px;
    display: block;
}

.gr-kart .form-control {
    border: 1.5px solid #E2E8F0;
    border-radius: 12px;
    padding: 13px 16px;
    font-size: 15px;
    color: #0F172A;
    background: #F8FAFC;
    transition: border-color .18s, box-shadow .18s, background .18s;
}

.gr-kart .form-control:focus {
    background: #fff;
    border-color: #E5A00D;
    box-shadow: 0 0 0 4px rgba(229, 160, 13, .16);
    outline: 0;
}

/* Birincil düğme: antrasit gövde, amber ok */
.gr-dugme {
    width: 100%;
    border: 0;
    border-radius: 12px;
    padding: 15px;
    background: #1F2429;
    color: #fff;
    font-weight: 800;
    font-size: 14.5px;
    letter-spacing: .3px;
    transition: transform .16s, box-shadow .16s, background .16s;
}

.gr-dugme:hover:not(:disabled) {
    background: #12161A;
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(0, 0, 0, .3);
}

.gr-dugme:disabled {
    background: #94A3B8;
    cursor: not-allowed;
}

.gr-dugme i {
    color: #E5A00D;
}

/* --- Uyarılar --- */
.gr-uyari {
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 13px;
    margin-bottom: 16px;
    display: flex;
    gap: 9px;
    align-items: flex-start;
    line-height: 1.45;
}

.gr-uyari.hata {
    background: #FEF2F2;
    color: #991B1B;
    border-left: 3px solid #DC2626;
}

.gr-uyari.sari {
    background: #FFFBEB;
    color: #92400E;
    border-left: 3px solid #F59E0B;
}

/* --- Kart altı bilgi --- */
.gr-alt {
    text-align: center;
    margin-top: 18px;
    font-size: 12.5px;
    color: #94A3B8;
    line-height: 1.6;
}

.gr-alt a {
    color: #C3CCD6;
    text-decoration: none;
    font-weight: 600;
}

.gr-alt a:hover {
    color: #fff;
}

/* --- "Uygulama olarak yükle" önerisi (yalnızca kurulu değilken gösterilir) --- */
.gr-kurulum {
    margin-top: 16px;
    border-radius: 16px;
    padding: 13px 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .13);
    color: #E2E8F0;
}

.gr-kurulum img {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    flex-shrink: 0;
    background: #fff;
    box-shadow: 0 6px 16px rgba(0, 0, 0, .35);
}

.gr-kurulum .gr-k-metin { flex: 1; min-width: 0; }
.gr-kurulum b { color: #fff; font-size: 13.5px; display: block; line-height: 1.3; }
.gr-kurulum small { color: #94A3B8; font-size: 11.5px; line-height: 1.4; display: block; }

.gr-kurulum .gr-k-yukle {
    background: #E5A00D;
    color: #1F2429;
    font-weight: 800;
    border: 0;
    border-radius: 999px;
    padding: 8px 16px;
    font-size: 13px;
    white-space: nowrap;
}

.gr-kurulum .gr-k-sonra {
    background: none;
    border: 0;
    color: #94A3B8;
    font-size: 19px;
    line-height: 1;
    padding: 0 3px;
}

.gr-ios-adim {
    margin: 10px 0 0;
    padding-left: 22px;
    font-size: 12.5px;
    color: #CBD5E1;
    line-height: 1.6;
}

/* Teknik şerit: sistem durumu, bağlantı, sürüm (panelde kullanılır) */
.gr-teknik {
    font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10.5px;
    color: #6B7785;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 14px;
}

.gr-teknik b {
    color: #8D9AA8;
    font-weight: 600;
}

.gr-nokta {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #22c55e;
    display: inline-block;
    margin-right: 6px;
    box-shadow: 0 0 0 0 rgba(34, 197, 94, .55);
    animation: gr-nabiz 2s infinite;
}

@keyframes gr-nabiz {
    70%  { box-shadow: 0 0 0 7px rgba(34, 197, 94, 0); }
    100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .gr-nokta { animation: none; }
    .gr-dugme { transition: none; }
}