:root {
  color-scheme: dark;
  --bg: #060b16;
  --bg2: #0b1222;
  --card: rgba(15, 23, 42, 0.82);
  --card2: rgba(17, 24, 39, 0.92);
  --line: rgba(148, 163, 184, 0.18);
  --text: #e5eefb;
  --muted: #93a4bd;
  --accent: #67e8f9;
  --accent2: #a78bfa;
  --good: #34d399;
  --warn: #f59e0b;
  --bad: #fb7185;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius: 22px;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(103, 232, 249, 0.10), transparent 30%),
    radial-gradient(circle at top right, rgba(167, 139, 250, 0.10), transparent 28%),
    linear-gradient(180deg, #050914 0%, #07101d 48%, #050914 100%);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
img { max-width: 100%; display: block; }
.kapsayici {
  width: min(1280px, calc(100% - 28px));
  margin: 20px auto 40px;
  position: relative;
  z-index: 1;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  background: rgba(5, 9, 20, 0.74);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.topbar .marka {
  font-weight: 800;
  letter-spacing: 0.3px;
  font-size: 1.05rem;
}
.topbar .alt {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 4px;
}
.menu {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.menu a, .buton, .buton-ikincil, input[type="submit"], button {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
  color: var(--text);
  padding: 10px 14px;
  border-radius: 14px;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.menu a:hover, .buton:hover, .buton-ikincil:hover, input[type="submit"]:hover, button:hover {
  transform: translateY(-1px);
  border-color: rgba(103,232,249,0.45);
}
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.92fr);
  gap: 18px;
  align-items: start;
}
.kart {
  background: linear-gradient(180deg, var(--card), rgba(15, 23, 42, 0.60));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.ust-hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 16px;
  align-items: center;
}
.ust-hero h1 {
  margin: 8px 0 12px;
  font-size: clamp(1.9rem, 4.2vw, 3.55rem);
  line-height: 1.02;
}
.ust-hero p {
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
}
.roz {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid rgba(103,232,249,0.24);
  color: var(--accent);
  background: rgba(103,232,249,0.08);
  font-size: 0.84rem;
}
.kart-ozet {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.kart-ozet .mini,
.alan-karti,
.kucuk-kutu {
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 18px;
  padding: 15px;
}
.kart-ozet strong { display: block; font-size: 1.45rem; }
.kart-ozet span, .alan-karti span, .kucuk-kutu span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
}
.form-alanlari {
  display: grid;
  gap: 12px;
}
.form-satiri {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
}
label { display: grid; gap: 8px; }
input[type="text"], input[type="password"], input[type="color"], textarea {
  width: 100%;
  border: 1px solid rgba(148,163,184,0.24);
  background: rgba(5, 9, 20, 0.9);
  color: var(--text);
  border-radius: 14px;
  padding: 13px 14px;
  outline: none;
}
input:focus, textarea:focus {
  border-color: rgba(103,232,249,0.60);
  box-shadow: 0 0 0 4px rgba(103,232,249,0.09);
}
.bolum-baslik {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 12px;
}
.bolum-baslik h2, .bolum-baslik h3, .bolum-baslik h4 {
  margin: 0;
  font-size: 1.12rem;
}
.bolum-baslik .not { color: var(--muted); font-size: 0.92rem; }
.bot-alan {
  display: grid;
  gap: 14px;
}
.bot-balon {
  background: linear-gradient(180deg, rgba(103,232,249,0.10), rgba(15,23,42,0.80));
  border: 1px solid rgba(103,232,249,0.22);
  border-radius: 24px;
  padding: 18px;
}
.bot-balon .etiketler {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.etiket {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(148,163,184,0.11);
  border: 1px solid rgba(148,163,184,0.16);
  color: var(--text);
  font-size: 0.84rem;
}
.bos-durum, .uyari {
  border-radius: 16px;
  padding: 13px 14px;
  border: 1px solid transparent;
}
.bos-durum { color: var(--muted); background: rgba(148,163,184,0.06); }
.uyari.basari { background: rgba(52,211,153,0.12); border-color: rgba(52,211,153,0.25); }
.uyari.hata { background: rgba(251,113,133,0.12); border-color: rgba(251,113,133,0.25); }
.veri-satirlari { display: grid; gap: 10px; }
.veri-satiri {
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: 12px;
  align-items: start;
  padding: 14px 15px;
  border-radius: 18px;
  background: rgba(148,163,184,0.07);
  border: 1px solid rgba(148,163,184,0.16);
}
.veri-satiri .baslik { color: var(--muted); font-size: 0.84rem; text-transform: uppercase; letter-spacing: .08em; }
.veri-satiri .deger { font-weight: 700; overflow-wrap: anywhere; }
.sağ-kolon, .sag-kolon, .side-stack { display: grid; gap: 16px; }
.mini-baslik { color: var(--muted); font-size: 0.9rem; text-transform: uppercase; letter-spacing: .08em; }
.mini-satir {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(148,163,184,0.12);
}
.mini-satir:last-child { border-bottom: 0; }
.mini-satir span { color: var(--muted); }
.iki-sutun { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.uc-sutun { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.kucuk-kutu strong { display: block; margin-top: 6px; font-size: 1rem; overflow-wrap: anywhere; }
.csv-bilgi {
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 8px;
}
.alt-bant {
  text-align: center;
  color: var(--muted);
  padding: 18px 10px 32px;
}
.kasa {
  display: grid;
  gap: 16px;
}
.sistem-notu {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.92rem;
}
.sistem-notu b { color: var(--text); }
@media (max-width: 980px) {
  .layout, .ust-hero, .kart-ozet, .iki-sutun, .uc-sutun, .form-satiri, .veri-satiri {
    grid-template-columns: 1fr;
  }
  .topbar {
    position: static;
    flex-direction: column;
    align-items: stretch;
  }
}