#site-home-nav {
  position: fixed; top: 10px; left: 12px; z-index: 200;
  display: flex; align-items: center; gap: 5px;
  text-decoration: none; color: #666; font-size: 13px; font-weight: 600;
  font-family: inherit; padding: 5px 9px; border-radius: 6px;
  border: 1px solid transparent;
  transition: color .15s, background .15s, border-color .15s; line-height: 1;
}
#site-home-nav:hover { color: #111; background: #f8f8f8; border-color: #e0e0e0; }

:root {
  --arka-plan: linear-gradient(160deg, #eef6f3 0%, #f7faf8 45%, #f2f7fb 100%);
  --kart: #ffffff;
  --kart-2: #f8fbfa;
  --metin: #1e2a25;
  --metin-soluk: #4f6059;
  --vurgu: #1f6f59;
  --vurgu-koyu: #165544;
  --ikincil: #316e96;
  --uyari: #8b2f2f;
  --uyari-arka: #fbecec;
  --kenar: #d8e5df;
  --odak: #0a7a67;
  --golge: 0 10px 30px rgba(20, 52, 43, 0.08);
  --yaricap: 14px;
  --bar-dusuk: #d18a74;
  --bar-orta: #8ca296;
  --bar-yuksek: #2f8f64;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Trebuchet MS", "Helvetica Neue", sans-serif;
  color: var(--metin);
  background: var(--arka-plan);
  line-height: 1.5;
}

.sayfa {
  width: min(1100px, 96%);
  margin: 28px auto 48px;
  display: grid;
  gap: 18px;
}

.kart {
  background: var(--kart);
  border: 1px solid var(--kenar);
  border-radius: var(--yaricap);
  box-shadow: var(--golge);
  padding: 18px;
}

.giris-karti {
  background:
    radial-gradient(circle at 10% 10%, rgba(49, 110, 150, 0.14), transparent 32%),
    radial-gradient(circle at 90% 80%, rgba(31, 111, 89, 0.12), transparent 30%),
    var(--kart);
}

.rozet {
  display: inline-block;
  margin: 0 0 8px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.84rem;
  color: #134e84;
  background: #e9f3fb;
}

h1,
h2,
h3 {
  margin: 0 0 10px;
  line-height: 1.22;
}

h1 {
  font-size: clamp(1.65rem, 2.4vw, 2.1rem);
}

h2 {
  font-size: clamp(1.35rem, 2vw, 1.7rem);
}

h3 {
  font-size: clamp(1.1rem, 1.65vw, 1.26rem);
}

.metin {
  margin: 0;
  color: var(--metin-soluk);
}

.kok-cumlesi {
  margin: 14px 0 0;
}

.yapiskan-ilerleme {
  position: sticky;
  top: 8px;
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(4px);
}

.ilerleme-ust {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

#progress-text,
#missing-summary {
  margin: 0;
  font-weight: 600;
}

.uyari-mini {
  color: #6f5410;
}

.ilerleme-cubugu {
  margin-top: 10px;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: #e2ece8;
  overflow: hidden;
}

.ilerleme-dolgu {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ikincil), var(--vurgu));
  transition: width 220ms ease;
}

.mesaj {
  border-left: 4px solid var(--ikincil);
  color: #1f4160;
  background: #eef6fb;
}

.mesaj.mesaj-hata {
  border-left-color: #b84848;
  color: #652626;
  background: #fceeee;
}

.gizli {
  display: none;
}

.madde-listesi {
  display: grid;
  gap: 12px;
}

.madde-karti {
  margin: 0;
  border: 1px solid var(--kenar);
  border-radius: 12px;
  background: var(--kart-2);
  padding: 12px;
}

.madde-karti legend {
  width: 100%;
  padding: 0 2px 8px;
  font-weight: 600;
}

.madde-karti legend span {
  color: var(--metin);
}

.madde-karti.cevaplanmamis {
  border-color: #cb5959;
  box-shadow: inset 0 0 0 1px rgba(203, 89, 89, 0.2);
  background: #fff8f8;
}

.likert-satiri {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.likert-secenek {
  border: 1px solid #c8d8d1;
  border-radius: 10px;
  background: #fff;
  padding: 8px 6px;
  min-height: 74px;
  display: grid;
  gap: 3px;
  justify-items: center;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.12s ease;
}

.likert-secenek:hover {
  border-color: #89a99d;
  transform: translateY(-1px);
}

.likert-secenek input {
  margin: 0;
}

.likert-puan {
  font-weight: 700;
  font-size: 0.9rem;
}

.likert-etiket {
  font-size: 0.79rem;
  color: #4d6158;
}

.likert-secenek:has(input:checked) {
  border-color: var(--vurgu);
  box-shadow: 0 0 0 3px rgba(31, 111, 89, 0.16);
  background: #f4fbf8;
}

.hata-alani {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #df8b8b;
  background: var(--uyari-arka);
  color: var(--uyari);
  font-weight: 600;
}

.buton-satiri {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.buton {
  border-radius: 10px;
  border: 1px solid transparent;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}

.buton.birincil {
  background: var(--vurgu);
  color: #fff;
}

.buton.birincil:hover {
  background: var(--vurgu-koyu);
}

.buton.ikincil {
  background: #f2f6f5;
  border-color: #c8d8d1;
  color: #1f3930;
}

.buton.ikincil:hover {
  background: #e8f0ee;
}

.buton:focus-visible,
.likert-secenek input:focus-visible {
  outline: 3px solid var(--odak);
  outline-offset: 2px;
}

.sonuc-alani {
  border: 1px solid #c8ddd5;
  background:
    radial-gradient(circle at 80% 0%, rgba(31, 111, 89, 0.11), transparent 33%),
    var(--kart);
}

.sonuc-baslik p {
  margin: 0;
}

.sonuc-bolumu + .sonuc-bolumu {
  margin-top: 14px;
}

.alan-izgara {
  display: grid;
  gap: 12px;
}

.alan-karti {
  border: 1px solid #d4e2dc;
  border-radius: 12px;
  background: #fbfefd;
  padding: 13px;
}

.alan-baslik {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: baseline;
  flex-wrap: wrap;
}

.alan-ad {
  margin: 0;
  font-size: 1.1rem;
}

.alan-etiket {
  margin: 2px 0 10px;
  color: #5f6f68;
  font-weight: 600;
  font-size: 0.92rem;
}

.alan-yuzdelik {
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
}

.alan-yuzdelik-aciklama {
  margin: 4px 0 0;
  color: #6d7f77;
  font-size: 0.82rem;
  text-align: right;
}

.yuzdelik-bar {
  margin-top: 10px;
  position: relative;
  height: 16px;
  border-radius: 999px;
  background: #e3ece8;
  overflow: visible;
}

.yuzdelik-bar.kucuk {
  height: 12px;
  margin-top: 6px;
}

.yuzdelik-ortalama-cizgisi {
  position: absolute;
  left: 50%;
  top: -2px;
  width: 2px;
  height: 20px;
  background: #4f5f58;
  opacity: 0.8;
  z-index: 2;
}

.yuzdelik-bar.kucuk .yuzdelik-ortalama-cizgisi {
  height: 15px;
}

.yuzdelik-dolgu {
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--fill, 0%);
  border-radius: 999px;
  background: var(--bar-color, var(--bar-orta));
  z-index: 1;
}

.ortalama-etiketi {
  position: absolute;
  top: -18px;
  left: calc(50% + 4px);
  font-size: 0.72rem;
  color: #586b62;
}

.alan-yorum {
  margin: 11px 0 0;
  color: #334940;
  font-size: 0.94rem;
}

.teknik-detaylar,
.faset-detaylar {
  margin-top: 10px;
  border-top: 1px dashed #d5e2dc;
  padding-top: 8px;
}

.teknik-detaylar summary,
.faset-detaylar summary {
  cursor: pointer;
  color: #2f4f45;
  font-weight: 600;
}

.teknik-detaylar summary::marker,
.faset-detaylar summary::marker {
  color: #3d6759;
}

.metrik {
  margin: 8px 0 0;
  display: grid;
  gap: 4px;
  font-size: 0.9rem;
}

.metrik div {
  display: flex;
  justify-content: space-between;
  gap: 8px;
}

.metrik dt {
  color: #4e6259;
}

.metrik dd {
  margin: 0;
  font-weight: 600;
}

.faset-listesi {
  margin-top: 8px;
  display: grid;
  gap: 8px;
}

.faset-satiri {
  border: 1px solid #dce8e3;
  border-radius: 9px;
  background: #ffffff;
  padding: 8px;
}

.faset-ust {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: baseline;
}

.faset-ad {
  margin: 0;
  font-weight: 600;
  font-size: 0.91rem;
}

.faset-pct {
  font-size: 0.86rem;
  font-weight: 700;
  color: #334d43;
}

.etkilesim-kutu {
  border: 1px solid #d8e5df;
  border-radius: 10px;
  background: #f5faf8;
  padding: 11px 12px;
  color: #2f463c;
}

.grafik-alani {
  width: 100%;
  overflow-x: auto;
  border: 1px solid #d9e6e1;
  border-radius: 12px;
  background: #f8fcfb;
  padding: 10px;
}

.grafik-alani svg {
  width: 100%;
  min-width: 720px;
  display: block;
}

@media (max-width: 900px) {
  .likert-satiri {
    grid-template-columns: 1fr;
  }

  .likert-secenek {
    grid-template-columns: 28px 1fr;
    min-height: auto;
    text-align: left;
    justify-items: start;
    align-items: center;
  }

  .likert-puan {
    grid-column: 1;
    grid-row: 1 / 3;
    align-self: center;
  }

  .likert-secenek input {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 2px;
  }

  .likert-etiket {
    grid-column: 2;
    grid-row: 2;
  }

  .alan-baslik {
    align-items: flex-start;
  }

  .alan-yuzdelik {
    font-size: 1.32rem;
  }
}

@media print {
  .yapiskan-ilerleme,
  .buton-satiri,
  #global-message,
  #validation-error {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .kart {
    box-shadow: none;
    border-color: #cfcfcf;
  }
}