* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background: #f5f6f8; color: #1c1e21; }
nav { background: #16213e; color: #fff; padding: 0 20px; display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
nav .marka { font-weight: 700; font-size: 1.05rem; padding: 14px 16px 14px 0; }
nav .marka span { color: #6fb1fc; font-weight: 400; }
nav a { color: #c7cbd4; text-decoration: none; padding: 14px 12px; font-size: .92rem; }
nav a:hover { color: #fff; }
nav a.aktif { color: #fff; box-shadow: inset 0 -3px 0 #6fb1fc; }
main { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }
h1 { font-size: 1.4rem; } h2 { font-size: 1.05rem; margin-top: 1.8em; color: #333; }
.ipucu { font-weight: 400; font-size: .8rem; color: #777; }

.kartlar { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; margin: 18px 0; }
.kart { background: #fff; border-radius: 10px; padding: 16px; box-shadow: 0 1px 3px rgba(0,0,0,.07); }
.kart .sayi { font-size: 1.5rem; font-weight: 700; }
.kart .etiket { font-size: .8rem; color: #666; margin-top: 4px; }
.kart.uyari { background: #fff7e6; }

table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,.07); font-size: .88rem; }
th { text-align: left; background: #fafbfc; padding: 10px 12px; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: #555; }
td { padding: 9px 12px; border-top: 1px solid #f0f1f3; vertical-align: top; }
td.adres { max-width: 260px; }
td .kisa { font-size: .75rem; }
.bos { color: #999; text-align: center; padding: 24px !important; }
code { background: #f0f2f5; padding: 1px 6px; border-radius: 4px; font-size: .82em; }

form label { display: block; margin: 14px 0; font-weight: 600; font-size: .9rem; }
form input, form textarea, form select { display: block; width: 100%; margin-top: 6px; padding: 10px 12px; border: 1px solid #d5d9e0; border-radius: 8px; font: inherit; font-weight: 400; background: #fff; }
form textarea { resize: vertical; }
form .yanyana { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
form button { margin-top: 20px; background: #16213e; color: #fff; border: 0; border-radius: 8px; padding: 12px 28px; font-size: 1rem; cursor: pointer; }
form button:hover { background: #1f2d52; }
.arama { display: flex; gap: 8px; margin-bottom: 16px; }
.arama input { flex: 1; margin: 0; }
.arama button { margin: 0; padding: 10px 20px; }
td form { margin: 0; } td select { margin: 0; padding: 6px 8px; width: auto; }

.basari { background: #e6f7ea; border: 1px solid #b7e4c3; color: #1e7e34; padding: 12px 16px; border-radius: 8px; margin-bottom: 14px; }
.hata { background: #fdecea; padding: 16px; border-radius: 8px; white-space: pre-wrap; }

.sohbet { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.balon { max-width: 70%; padding: 10px 14px; border-radius: 14px; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.balon.bot { align-self: flex-end; background: #dcecff; }
.balon .metin { white-space: pre-wrap; font-size: .92rem; }
.balon .zaman { font-size: .7rem; color: #888; margin-top: 4px; }
.oturum-bilgi { background: #fff; padding: 10px 14px; border-radius: 8px; font-size: .88rem; box-shadow: 0 1px 3px rgba(0,0,0,.07); }

.oto-durum { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 18px; border-radius: 10px; margin: 16px 0; }
.oto-durum.acik { background: #e6f7ea; border: 1px solid #b7e4c3; }
.oto-durum.kapali { background: #fdecea; border: 1px solid #f5c2c7; }
.oto-durum form { margin: 0; }
.oto-durum button { margin: 0; padding: 10px 22px; border-radius: 8px; border: 0; font-size: .95rem; cursor: pointer; color: #fff; }
.btn-durdur { background: #b02a37; }
.btn-durdur:hover { background: #8f2029; }
.btn-baslat { background: #1e7e34; }
.btn-baslat:hover { background: #17662a; }

nav .cikis { margin-left: auto; color: #8b93a5; }
nav .cikis:hover { color: #ff9d9d; }

.giris-sayfa { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: #16213e; }
.giris-kutu { background: #fff; border-radius: 14px; padding: 36px 34px 30px; width: 100%; max-width: 380px; box-shadow: 0 18px 50px rgba(0,0,0,.35); margin: 20px; }
.giris-marka { font-size: 1.5rem; font-weight: 700; color: #16213e; }
.giris-marka span { color: #4a90e2; font-weight: 400; }
.giris-alt { color: #888; font-size: .88rem; margin: 4px 0 20px; }
.giris-hata { background: #fdecea; color: #b02a37; border: 1px solid #f5c2c7; padding: 10px 14px; border-radius: 8px; font-size: .88rem; margin-bottom: 14px; }
.giris-kutu button { width: 100%; margin-top: 16px; }

@media (max-width: 700px) {
  form .yanyana { grid-template-columns: 1fr; }
  table { display: block; overflow-x: auto; }
}