:root {
    --zemin: #f4f7fb;
    --yuzey: #ffffff;
    --cizgi: #e3e8f0;
    --metin: #1f2937;
    --soluk: #6b7280;
    --mavi: #1d6fe0;
    --mavi-koyu: #1557b0;
    --mavi-acik: #e8f1fd;
    --turuncu: #f28c28;
    --turuncu-acik: #fff1e3;
    --yesil: #14935b;
    --yesil-acik: #e4f6ec;
    --kirmizi: #d93b3b;
    --kirmizi-acik: #fdecec;
    --balon-giden: #dcebff;
    --balon-bot: #eef0f4;
    --golge: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .04);
    --yaricap: 10px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
    font-size: 14px;
    color: var(--metin);
    background: var(--zemin);
    display: flex;
    flex-direction: column;
}

a { color: var(--mavi); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 0 0 12px; }

/* Üst bar */
.ust-bar {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 0 20px;
    height: 56px;
    background: var(--yuzey);
    border-bottom: 1px solid var(--cizgi);
    flex-shrink: 0;
}
.marka { font-weight: 700; font-size: 16px; color: var(--metin); white-space: nowrap; }
.marka:hover { text-decoration: none; }
.marka-simge { color: var(--turuncu); }
.marka-simge.buyuk { font-size: 40px; display: block; }
.ust-menu { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.ust-menu a { padding: 8px 12px; border-radius: 8px; color: var(--metin); white-space: nowrap; }
.ust-menu a:hover { background: var(--mavi-acik); color: var(--mavi); text-decoration: none; }
.ust-kullanici { display: flex; align-items: center; gap: 8px; }
.ust-kullanici form { margin: 0; }
.kullanici-adi { font-weight: 600; color: var(--metin); }
a.kullanici-adi:hover { color: var(--mavi); }

main.sayfa { padding: 24px; max-width: 1400px; width: 100%; margin: 0 auto; }

/* Düğmeler */
.dugme {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 8px 14px; border-radius: 8px; border: 1px solid transparent;
    font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap;
}
.dugme:hover { text-decoration: none; }
.dugme:disabled { opacity: .6; cursor: default; }
.dugme-ana { background: var(--mavi); color: #fff; }
.dugme-ana:hover { background: var(--mavi-koyu); }
.dugme-turuncu { background: var(--turuncu); color: #fff; }
.dugme-turuncu:hover { filter: brightness(.95); }
.dugme-sade { background: var(--yuzey); border-color: var(--cizgi); color: var(--metin); }
.dugme-sade:hover { background: var(--mavi-acik); }
.genis { width: 100%; }

/* Rozetler, uyarılar */
.rozet {
    display: inline-block; padding: 2px 8px; border-radius: 999px;
    font-size: 12px; font-weight: 600; white-space: nowrap;
}
.rozet-mavi { background: var(--mavi-acik); color: var(--mavi); }
.rozet-turuncu { background: var(--turuncu-acik); color: #b25d09; }
.rozet-yesil { background: var(--yesil-acik); color: var(--yesil); }
.rozet-gri { background: #eef1f5; color: #4b5563; }

.uyari { padding: 10px 14px; border-radius: 8px; margin: 0 0 12px; border: 1px solid transparent; }
.uyari-basari { background: var(--yesil-acik); color: var(--yesil); border-color: #bfe7d1; }
.uyari-hata { background: var(--kirmizi-acik); color: var(--kirmizi); border-color: #f6c7c7; }
.uyari-bilgi { background: var(--turuncu-acik); color: #8a4a08; border-color: #f8d7b3; }

.soluk { color: var(--soluk); }
.orta { text-align: center; }
.bosluklu { padding: 16px; }
.nowrap { white-space: nowrap; }
.kucuk-not { font-size: 12px; color: var(--soluk); margin-top: 16px; }

/* Kart, form */
.kart {
    background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--yaricap);
    box-shadow: var(--golge); padding: 18px; margin-bottom: 16px;
}
.kart.orta { max-width: 520px; margin: 40px auto; }

.form-dikey { display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 13px; }
label small { font-weight: 400; color: var(--soluk); }
label.onay-kutusu { flex-direction: row; align-items: center; gap: 8px; font-weight: 400; }
input, select, textarea {
    font: inherit; color: inherit; padding: 8px 10px; border: 1px solid var(--cizgi);
    border-radius: 8px; background: #fff; width: 100%;
}
input[type=checkbox] { width: auto; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--mavi-acik); border-color: var(--mavi); }

.sayfa-baslik { margin-bottom: 16px; }
.bosluklu-arasi { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; }
.iki-sutun { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; align-items: start; }

.filtre-formu { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; align-items: end; }
.filtre-dugmeler { display: flex; gap: 8px; }

.tablo-kap { overflow-x: auto; }
.tablo { width: 100%; border-collapse: collapse; }
.tablo th, .tablo td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--cizgi); vertical-align: top; }
.tablo th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--soluk); background: #f8fafc; }
.tablo tr:hover td { background: #fafcff; }
.icerik-hucre { white-space: pre-wrap; word-break: break-word; max-width: 520px; }
.kod { font-family: Consolas, monospace; font-size: 12px; }
.pasif-satir td { color: var(--soluk); }
.ust-bosluksuz { margin-top: 0; }
.alt-bosluk, .arama-formu.alt-bosluk { margin-bottom: 12px; }
.toplu-alan { font-family: Consolas, monospace; font-size: 12px; min-height: 160px; }
.hata-listesi { margin: 0 0 12px; padding-left: 18px; font-size: 13px; color: var(--kirmizi); max-height: 200px; overflow-y: auto; }
.sayfalama { display: flex; gap: 8px; justify-content: center; margin-top: 16px; }

/* Giriş */
body.giris-govde { background: linear-gradient(135deg, #e8f1fd 0%, #f4f7fb 55%, #fff1e3 100%); }
main.giris-alani { flex: 1; display: flex; align-items: center; justify-content: center; padding: 24px; }
.giris-kart {
    width: 100%; max-width: 400px; background: var(--yuzey); border-radius: 14px;
    box-shadow: 0 10px 30px rgba(16, 24, 40, .1); padding: 32px;
}
.giris-baslik { text-align: center; margin-bottom: 20px; }
.giris-baslik p { color: var(--soluk); margin: 4px 0 0; }

/* Sohbet düzeni */
main.sohbet-duzeni { flex: 1; display: flex; min-height: 0; }

.sohbet-kenar {
    width: 360px; flex-shrink: 0; background: var(--yuzey); border-right: 1px solid var(--cizgi);
    display: flex; flex-direction: column; min-height: 0;
}
.kenar-ust { padding: 12px; border-bottom: 1px solid var(--cizgi); display: flex; flex-direction: column; gap: 10px; }
.sekmeler { display: flex; gap: 4px; background: #eef1f5; padding: 3px; border-radius: 9px; }
.sekme { flex: 1; text-align: center; padding: 6px 2px; border-radius: 7px; color: var(--metin); font-weight: 600; font-size: 12px; white-space: nowrap; }
.sekme:hover { text-decoration: none; background: rgba(255, 255, 255, .6); }
.sekme.aktif { background: var(--yuzey); color: var(--mavi); box-shadow: var(--golge); }
.arama-formu { margin: 0; }

.sohbet-listesi { flex: 1; overflow-y: auto; }
.sohbet-satiri {
    display: flex; gap: 10px; padding: 10px 12px; border-bottom: 1px solid #f0f3f7; color: var(--metin);
}
.sohbet-satiri:hover { background: #f7faff; text-decoration: none; }
.sohbet-satiri.secili { background: var(--mavi-acik); box-shadow: inset 3px 0 0 var(--mavi); }

.avatar {
    width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--mavi), #5aa0f5); color: #fff; font-weight: 700; font-size: 16px;
}
.avatar-ortak { background: linear-gradient(135deg, var(--yesil), #3fbf86); font-size: 20px; }
.kucuk-baglanti { font-size: 12px; margin-left: 6px; }
.satir-govde { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.satir-ust, .satir-alt { display: flex; justify-content: space-between; gap: 8px; align-items: center; }
.satir-ad { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.satir-zaman { font-size: 12px; color: var(--soluk); white-space: nowrap; }
.satir-onizleme { color: var(--soluk); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.okunmamis {
    background: var(--turuncu); color: #fff; border-radius: 999px; min-width: 20px; height: 20px; padding: 0 6px;
    font-size: 11px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center;
}
.satir-etiketler { display: flex; gap: 4px; align-items: center; flex-wrap: wrap; font-size: 12px; }

.sohbet-ana { flex: 1; display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.sohbet-ana > .uyari { margin: 8px 16px 0; }

.bos-durum { margin: auto; text-align: center; color: var(--soluk); padding: 24px; }
.bos-simge { font-size: 56px; }

.sohbet-icerigi { flex: 1; display: flex; flex-direction: column; min-height: 0; }

.sohbet-basligi {
    display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
    padding: 10px 16px; background: var(--yuzey); border-bottom: 1px solid var(--cizgi);
}
.baslik-kisi { display: flex; align-items: center; gap: 10px; }
.baslik-kisi h2 { margin: 0; }
.baslik-durum { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.satir-ici { display: flex; gap: 6px; align-items: center; margin: 0; }
.satir-ici select { width: auto; min-width: 160px; padding: 6px 8px; }
.satir-ici .dugme { padding: 6px 10px; }

.mesajlar {
    flex: 1; overflow-y: auto; padding: 16px 24px; display: flex; flex-direction: column; gap: 6px;
    background: #eef3f9;
}

.gun-ayirici { text-align: center; margin: 10px 0; }
.gun-ayirici span { background: #dfe7f1; color: #475569; font-size: 12px; padding: 3px 10px; border-radius: 999px; }

.balon {
    max-width: min(640px, 75%); padding: 8px 12px 6px; border-radius: 12px; background: var(--yuzey);
    box-shadow: var(--golge); align-self: flex-start; word-break: break-word;
}
.balon.giden { align-self: flex-end; background: var(--balon-giden); border-bottom-right-radius: 4px; }
.balon.gelen { border-bottom-left-radius: 4px; }
.balon.bot { background: var(--balon-bot); }
.balon.basarisiz { outline: 1px solid #f3b4b4; }

.balon-gonderen { font-size: 12px; font-weight: 700; color: var(--mavi-koyu); margin-bottom: 2px; }
.balon.bot .balon-gonderen { color: #475569; }
.balon-sablon { font-size: 11px; color: #b25d09; margin-bottom: 2px; }
.balon-metin { white-space: pre-wrap; }
.balon-alt { display: flex; justify-content: flex-end; gap: 6px; font-size: 11px; color: var(--soluk); margin-top: 2px; }
.balon-hata { font-size: 12px; color: var(--kirmizi); margin-top: 4px; }
.balon-resim { max-width: 320px; max-height: 320px; border-radius: 8px; display: block; margin-bottom: 4px; }
.balon-video { max-width: 360px; border-radius: 8px; display: block; margin-bottom: 4px; }
.balon audio { max-width: 300px; display: block; margin-bottom: 4px; }
.balon-dosya { display: inline-block; padding: 6px 10px; background: rgba(255, 255, 255, .7); border-radius: 8px; margin-bottom: 4px; }

.durum-read { color: var(--mavi); font-weight: 700; }
.durum-failed { color: var(--kirmizi); }

.atama-gecmisi { padding: 6px 16px; background: var(--yuzey); border-top: 1px solid var(--cizgi); font-size: 12px; }
.atama-gecmisi ul { margin: 6px 0; padding-left: 18px; max-height: 120px; overflow-y: auto; }

.teklif-talepleri { padding: 8px 16px; background: var(--turuncu-acik); border-bottom: 1px solid var(--cizgi); font-size: 13px; }
.teklif-talepleri summary { cursor: pointer; font-weight: 600; }
.teklif-talepleri[open] { max-height: 40vh; overflow-y: auto; }
.teklif-talebi { background: var(--yuzey); border: 1px solid var(--cizgi); border-radius: var(--yaricap); padding: 10px 12px; margin-top: 8px; }
.teklif-baslik { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.teklif-talebi dl { display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; margin: 0; }
.teklif-talebi dt { color: var(--soluk); }
.teklif-talebi dd { margin: 0; user-select: all; }

.yazma-alani { background: var(--yuzey); border-top: 1px solid var(--cizgi); padding: 10px 16px; }
.yazma-alani .uyari { margin-bottom: 8px; }
.metin-formu { display: flex; gap: 8px; align-items: flex-end; margin: 0; }
.metin-formu textarea { resize: vertical; min-height: 44px; max-height: 240px; }

.sablon-kutusu summary { cursor: pointer; font-weight: 600; padding: 6px 0; color: #b25d09; }
.sablon-listesi { max-height: 280px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; }
.sablon { border: 1px solid var(--cizgi); border-radius: 8px; padding: 6px 10px; }
.sablon summary { cursor: pointer; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.sablon-govde { white-space: pre-wrap; background: #f8fafc; padding: 8px; border-radius: 6px; }

@media (max-width: 900px) {
    .iki-sutun { grid-template-columns: 1fr; }
    main.sohbet-duzeni { flex-direction: column; }
    .sohbet-kenar { width: 100%; max-height: 40vh; border-right: 0; border-bottom: 1px solid var(--cizgi); }
    .ust-bar { gap: 12px; padding: 0 12px; }
    .kullanici-adi { max-width: 90px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

/* Çok acente: destek modu ve yönetim */
.destek-seridi {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 6px 20px;
    background: var(--turuncu); color: #fff; font-size: 13px; flex-shrink: 0;
}
.destek-seridi .dugme { padding: 4px 10px; }
.ust-bar-yonetim { border-bottom: 3px solid var(--turuncu); }
.bolum-baslik { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.bolum-baslik h2 { margin: 0; }
.gizli-deger { font-family: Consolas, monospace; font-size: 12px; color: var(--soluk); }
.test-sonucu { margin-top: 12px; }
.test-sonucu ul { margin: 6px 0 0; padding-left: 18px; }
.adres-kutusu { font-family: Consolas, monospace; background: #f8fafc; border: 1px solid var(--cizgi); border-radius: 8px; padding: 6px 10px; display: inline-block; }
.destek-baglantisi { word-break: break-all; }
.log-listesi { margin: 0; padding-left: 18px; font-size: 12px; color: var(--soluk); max-height: 240px; overflow-y: auto; }