body { background: #F4F8FC; }

.zemin-leke { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.zemin-leke::before, .zemin-leke::after { content: ''; position: absolute; border-radius: 9999px; filter: blur(60px); }
.zemin-leke::before { width: 520px; height: 520px; left: -160px; top: 140px; background: rgba(47,127,216,.10); }
.zemin-leke::after  { width: 480px; height: 480px; right: -140px; bottom: -80px; background: rgba(22,191,200,.12); }

.ikon { stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Form alanları */
.alan::placeholder { color: #9AAEC4; }
.alan:focus { outline: none; border-color: #16BFC8; box-shadow: 0 0 0 4px rgba(22,191,200,.15); }
.alan.alan-hatali { border-color: #EF4444; box-shadow: 0 0 0 4px rgba(239,68,68,.10); }
.alan-etiket { display: block; font-size: .875rem; font-weight: 600; color: #173A63; margin-bottom: .4rem; }
.alan-hata { margin-top: .4rem; font-size: .8125rem; font-weight: 500; color: #DC2626; }
.alan-ipucu { margin-top: .4rem; font-size: .8125rem; color: #5C7591; }

.kod-alani { letter-spacing: .55em; text-align: center; font-size: 1.5rem; font-weight: 800; padding-left: 1.5rem; }

.dugme-ana { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; border-radius: 1rem;
             background: #16BFC8; color: #fff; font-weight: 700; padding: .9rem 1.4rem;
             box-shadow: 0 0 0 2px #16BFC8, 0 10px 30px -10px rgba(22,191,200,.45); transition: background .15s; }
.dugme-ana:hover { background: #0EA5B0; }
.dugme-ana:disabled { background: #D6E1EE; color: #7d93ab; box-shadow: none; cursor: not-allowed; }
.dugme-ikincil { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; border-radius: 1rem;
                 border: 1.5px solid #D6E1EE; background: #fff; color: #173A63; font-weight: 600; padding: .85rem 1.3rem; }
.dugme-ikincil:hover { background: #F4F8FC; }

.yatay-kaydir { scrollbar-width: none; }
.yatay-kaydir::-webkit-scrollbar { display: none; }

.ipucu-gir { animation: ipucu .25s ease-out; }
@keyframes ipucu { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* Kılavuz ve sürüm notları metni (sabit içerik) */
.kilavuz-metin { font-size: .95rem; line-height: 1.65; color: #173A63; }
.kilavuz-metin > * + * { margin-top: .75rem; }
.kilavuz-metin ul { list-style: disc; padding-left: 1.3rem; }
.kilavuz-metin ol { list-style: decimal; padding-left: 1.3rem; }
.kilavuz-metin li + li { margin-top: .35rem; }
.kilavuz-metin b { color: #0B1F3A; }
.kilavuz-metin code { background: #EEF4FA; border-radius: .4rem; padding: .05rem .35rem; font-size: .85em; }
.kilavuz-metin table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.kilavuz-metin th, .kilavuz-metin td { border-bottom: 1px solid #E6EEF6; padding: .55rem .6rem; text-align: left; }
.kilavuz-metin th { color: #5C7591; font-weight: 600; }