:root {
  color-scheme: light dark;
  --bg: #f4f5f7;
  --yuzey: #ffffff;
  --yuzey-2: #f0f1f4;
  --metin: #1c1e21;
  --metin-soluk: #676c76;
  --sinir: #e1e3e8;
  --vurgu: #2563eb;
  --vurgu-metin: #ffffff;
  --iyi: #16a34a;
  --uyari: #d97706;
  --kotu: #dc2626;
  --golge: 0 1px 2px rgba(20, 20, 30, .06), 0 1px 8px rgba(20, 20, 30, .05);
  --yaricap: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121316;
    --yuzey: #1b1d21;
    --yuzey-2: #232529;
    --metin: #eef0f3;
    --metin-soluk: #9a9fa8;
    --sinir: #303339;
    --vurgu: #5b8def;
    --vurgu-metin: #0b1220;
    --golge: 0 1px 2px rgba(0, 0, 0, .3), 0 1px 10px rgba(0, 0, 0, .25);
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--metin);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
#uygulama { min-height: 100%; display: flex; flex-direction: column; }
.yukleniyor { text-align: center; margin-top: 40vh; color: var(--metin-soluk); }

a { color: var(--vurgu); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Kabuk (header + nav) ---- */
.ustbar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--yuzey); border-bottom: 1px solid var(--sinir);
  position: sticky; top: 0; z-index: 20;
}
.ustbar-logo { height: 30px; width: auto; display: block; border-radius: 5px; }
.ustbar h1 { font-size: 17px; margin: 0; flex: 1; white-space: nowrap; }
.ustbar .kullanici-adi { color: var(--metin-soluk); font-size: 13px; white-space: nowrap; }

.gezinme {
  display: flex; gap: 4px; overflow-x: auto; padding: 8px 12px;
  background: var(--yuzey); border-bottom: 1px solid var(--sinir);
  position: sticky; top: 49px; z-index: 19; scrollbar-width: none;
}
.gezinme::-webkit-scrollbar { display: none; }
.gezinme a {
  color: var(--metin-soluk); padding: 7px 12px; border-radius: 999px; font-size: 13.5px;
  white-space: nowrap; flex: none;
}
.gezinme a.aktif { background: var(--vurgu); color: var(--vurgu-metin); }
.gezinme .rozet {
  display: inline-block; min-width: 16px; padding: 0 5px; margin-left: 5px; border-radius: 999px;
  background: var(--kotu); color: #fff; font-size: 10.5px; line-height: 16px; text-align: center;
}

main { flex: 1; padding: 16px; max-width: 1100px; width: 100%; margin: 0 auto; }

/* ---- Genel bileşenler ---- */
.kart {
  background: var(--yuzey); border: 1px solid var(--sinir); border-radius: var(--yaricap);
  box-shadow: var(--golge); padding: 16px; margin-bottom: 16px;
}
.kart h2, .kart h3 { margin-top: 0; }
.baslik-satiri { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.baslik-satiri h2 { margin: 0; }

.izgara { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.istatistik { background: var(--yuzey); border: 1px solid var(--sinir); border-radius: var(--yaricap); padding: 14px; }
.istatistik .sayi { font-size: 22px; font-weight: 700; }
.istatistik .etiket { color: var(--metin-soluk); font-size: 12.5px; margin-top: 2px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--sinir); vertical-align: top; }
th { color: var(--metin-soluk); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .03em; }
tr:last-child td { border-bottom: none; }
.tablo-sarici { overflow-x: auto; }
tr.tiklanabilir { cursor: pointer; }
tr.tiklanabilir:hover { background: var(--yuzey-2); }

.form-alan { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.form-alan label { font-size: 12.5px; color: var(--metin-soluk); }
.form-izgara { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
input, select, textarea {
  font: inherit; padding: 9px 10px; border-radius: 8px; border: 1px solid var(--sinir);
  background: var(--yuzey-2); color: var(--metin); width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--vurgu); outline-offset: -1px; }
textarea { resize: vertical; min-height: 70px; }

button, .dugme {
  font: inherit; cursor: pointer; border: 1px solid var(--sinir); background: var(--yuzey-2);
  color: var(--metin); padding: 9px 14px; border-radius: 8px; display: inline-flex; align-items: center; gap: 6px;
}
button:hover { filter: brightness(1.05); }
button.birincil { background: var(--vurgu); border-color: var(--vurgu); color: var(--vurgu-metin); }
button.tehlike { background: transparent; border-color: var(--kotu); color: var(--kotu); }
button:disabled { opacity: .55; cursor: not-allowed; }
.dugme-satiri { display: flex; gap: 8px; flex-wrap: wrap; }

.etiket-durum { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.etiket-durum.bekliyor { background: color-mix(in srgb, var(--uyari) 18%, transparent); color: var(--uyari); }
.etiket-durum.tamamlandi { background: color-mix(in srgb, var(--iyi) 18%, transparent); color: var(--iyi); }
.etiket-durum.reddedildi { background: color-mix(in srgb, var(--kotu) 18%, transparent); color: var(--kotu); }

.bos-durum { text-align: center; color: var(--metin-soluk); padding: 30px 10px; }
.hata-kutu { background: color-mix(in srgb, var(--kotu) 12%, transparent); border: 1px solid var(--kotu); color: var(--kotu); padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; font-size: 13.5px; }
.iyi-kutu { background: color-mix(in srgb, var(--iyi) 12%, transparent); border: 1px solid var(--iyi); color: var(--iyi); padding: 10px 12px; border-radius: 8px; margin-bottom: 12px; font-size: 13.5px; }
.soluk { color: var(--metin-soluk); }
.sayfa-ust { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.geri { font-size: 13px; }
.satir { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.esne { flex: 1; }
.arama-kutu { max-width: 320px; }

.renk-paleti { display: grid; grid-template-columns: repeat(auto-fill, minmax(30px, 1fr)); gap: 6px; max-width: 480px; }
.renk-ornek {
  width: 30px; height: 30px; padding: 0; border-radius: 7px; border: 1px solid var(--sinir);
  cursor: pointer; box-shadow: inset 0 0 0 2px var(--yuzey);
}
.renk-ornek:hover { outline: 2px solid var(--vurgu); outline-offset: 1px; }

.dosya-listesi { display: flex; flex-direction: column; gap: 8px; }
.dosya-satiri { display: flex; align-items: center; gap: 10px; padding: 8px 10px; background: var(--yuzey-2); border-radius: 8px; }
.dosya-satiri .ad { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dosya-onizleme { max-width: 100%; max-height: 260px; border-radius: 8px; margin: 6px 0; display: block; }

/* ---- Giriş / kurulum ekranı ---- */
.giris-sarici { flex: 1; display: flex; align-items: center; justify-content: center; padding: 20px; }
.giris-kart { width: 100%; max-width: 360px; }
.giris-logo { display: block; max-width: 140px; height: auto; margin: 0 auto 14px; border-radius: 10px; }
.giris-kart h1 { text-align: center; font-size: 19px; margin-top: 0; }
.giris-kart p.aciklama { text-align: center; color: var(--metin-soluk); margin-top: -8px; font-size: 13px; }

@media (max-width: 620px) {
  main { padding: 12px; }
  .ustbar h1 { font-size: 15px; }
  .kart { padding: 13px; }
}