:root {
  --zemin: #0f172a;
  --yuzey: #1e293b;
  --yuzey2: #263449;
  --kenar: #334155;
  --metin: #e2e8f0;
  --soluk: #94a3b8;
  --vurgu: #38bdf8;
  --basari: #22c55e;
  --uyari: #f59e0b;
  --hata: #ef4444;
  --radius: 14px;
  --radius-kucuk: 10px;
  --golge: 0 1px 2px rgba(0,0,0,.25), 0 4px 12px rgba(0,0,0,.25);
  --golge-yuksek: 0 8px 30px rgba(0,0,0,.45);
  --gecis: .18s ease;
  --sekme-h: 60px;
  --baslik-h: 56px;
  --arama-h: 56px;
  --filtre-h: 48px;
}

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

/* hidden niteligi HER ZAMAN kazansin. Tarayicinin [hidden]{display:none}
   varsayilani, siniftan gelen display:flex/grid/block tarafindan sessizce
   eziliyor — JS el.hidden=true dese bile oge ekranda kaliyordu
   (.filtre-grup boyle kacmisti, sekme degistirince cipler degismiyordu). */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--zemin);
  color: var(--metin);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  overflow-wrap: anywhere;
  word-break: break-word;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--vurgu); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; color: inherit; cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }

:focus-visible {
  outline: 2px solid var(--vurgu);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ==================== ÜST BAŞLIK ÇUBUĞU ==================== */
.baslik-cubugu {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  padding-top: max(10px, env(safe-area-inset-top));
  background: linear-gradient(180deg, var(--yuzey), color-mix(in srgb, var(--yuzey) 85%, var(--zemin)));
  border-bottom: 1px solid var(--kenar);
  min-height: var(--baslik-h);
}

.baslik-sol {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  flex: 1;
}

.panel-basligi {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ozet-sayaclar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sayaç {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--yuzey2);
  border: 1px solid var(--kenar);
  border-radius: 999px;
  font-size: 12px;
  color: var(--soluk);
  white-space: nowrap;
}

.sayaç-ikon { font-size: 13px; line-height: 1; }
.sayaç-deger { font-weight: 700; color: var(--metin); }

.cikis-dugmesi {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--yuzey2);
  border: 1px solid var(--kenar);
  border-radius: var(--radius-kucuk);
  font-size: 18px;
  transition: background var(--gecis), border-color var(--gecis), transform var(--gecis);
}
.cikis-dugmesi:hover { background: color-mix(in srgb, var(--hata) 18%, var(--yuzey2)); border-color: var(--hata); }
.cikis-dugmesi:active { transform: scale(.96); }

/* ==================== ARAMA ÇUBUĞU ==================== */
.arama-alani {
  position: sticky;
  top: var(--baslik-h);
  z-index: 20;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--zemin) 92%, #000);
  border-bottom: 1px solid var(--kenar);
  min-height: var(--arama-h);
}

.arama-kutu {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--yuzey);
  border: 1px solid var(--kenar);
  border-radius: 999px;
  padding: 0 12px;
  transition: border-color var(--gecis), box-shadow var(--gecis);
}
.arama-kutu:focus-within {
  border-color: var(--vurgu);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--vurgu) 25%, transparent);
}

.arama-ikon { font-size: 14px; color: var(--soluk); flex-shrink: 0; }

.arama-input {
  flex: 1;
  border: 0;
  background: transparent;
  color: var(--metin);
  font: inherit;
  padding: 12px 0;
  min-width: 0;
}
.arama-input::placeholder { color: var(--soluk); }
.arama-input:focus { outline: none; }

.arama-temizle {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--yuzey2);
  border: 1px solid var(--kenar);
  border-radius: 50%;
  color: var(--soluk);
  font-size: 12px;
  transition: background var(--gecis), color var(--gecis);
}
.arama-temizle:hover { background: var(--hata); color: #fff; border-color: var(--hata); }

/* ==================== FILTRE ÇİPLERİ ==================== */
.filtre-alani {
  position: sticky;
  top: calc(var(--baslik-h) + var(--arama-h));
  z-index: 15;
  display: flex;
  gap: 8px;
  padding: 8px 14px;
  background: var(--zemin);
  border-bottom: 1px solid var(--kenar);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  min-height: var(--filtre-h);
}
.filtre-alani::-webkit-scrollbar { display: none; }

.filtre-grup {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.cip {
  flex-shrink: 0;
  padding: 7px 14px;
  background: var(--yuzey);
  border: 1px solid var(--kenar);
  border-radius: 999px;
  color: var(--soluk);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  transition: background var(--gecis), color var(--gecis), border-color var(--gecis);
}
.cip:hover { color: var(--metin); border-color: var(--soluk); }
.cip-aktif {
  background: color-mix(in srgb, var(--vurgu) 18%, var(--yuzey));
  border-color: var(--vurgu);
  color: var(--metin);
}

.cip-ayirac {
  width: 1px;
  height: 22px;
  background: var(--kenar);
  flex-shrink: 0;
  margin: 0 2px;
}

/* ==================== İÇERİK ALANI ==================== */
.icerik-alani {
  flex: 1;
  padding: 14px;
  padding-bottom: calc(var(--sekme-h) + 20px + env(safe-area-inset-bottom));
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}

.sekme-icerik { display: none; }
.sekme-icerik.sekme-aktif { display: block; }

/* Durum mesajları */
.durum-mesaji {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 48px 20px;
  text-align: center;
  color: var(--soluk);
}
.durum-mesaji[hidden] { display: none; }
.durum-ikon { font-size: 40px; margin: 0; line-height: 1; }
.durum-mesaji p { margin: 0; }

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--kenar);
  border-top-color: var(--vurgu);
  border-radius: 50%;
  animation: don 0.8s linear infinite;
}
@keyframes don { to { transform: rotate(360deg); } }

.tekrar-dene {
  margin-top: 6px;
  padding: 9px 18px;
  background: var(--vurgu);
  color: #06283d;
  border: 0;
  border-radius: var(--radius-kucuk);
  font-weight: 600;
  transition: filter var(--gecis), transform var(--gecis);
}
.tekrar-dene:hover { filter: brightness(1.08); }
.tekrar-dene:active { transform: scale(.97); }

/* Kart listesi */
.kart-listesi {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.kart {
  background: var(--yuzey);
  border: 1px solid var(--kenar);
  border-radius: var(--radius);
  box-shadow: var(--golge);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--gecis), box-shadow var(--gecis), transform var(--gecis);
  overflow: hidden;
}
.kart:hover { border-color: var(--soluk); box-shadow: var(--golge-yuksek); }

.kart-ust {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.kart-rozet {
  display: inline-block;
  padding: 3px 10px;
  background: color-mix(in srgb, var(--vurgu) 16%, transparent);
  color: var(--vurgu);
  border: 1px solid color-mix(in srgb, var(--vurgu) 40%, transparent);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 60%;
}

.kart-tarih {
  font-size: 12px;
  color: var(--soluk);
  white-space: nowrap;
  flex-shrink: 0;
}

.kart-baslik {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.kart-ozet {
  margin: 0;
  color: var(--soluk);
  font-size: 14px;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.kart-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 12px;
  color: var(--soluk);
}
.kart-meta-oge { display: inline-flex; align-items: center; gap: 4px; }

.kart-icgoru-listesi {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 16px;
  font-size: 13px;
  color: var(--soluk);
}
.kart-icgoru-listesi li { position: relative; }
.kart-icgoru-listesi li::marker { color: var(--vurgu); }

.kart-butonlar {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.kart-buton {
  flex: 1;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 14px;
  border: 1px solid var(--kenar);
  border-radius: var(--radius-kucuk);
  font-size: 14px;
  font-weight: 600;
  transition: background var(--gecis), border-color var(--gecis), color var(--gecis), transform var(--gecis);
}
.kart-buton:active { transform: scale(.97); }

.kart-buton-ekle {
  background: color-mix(in srgb, var(--vurgu) 14%, var(--yuzey2));
  border-color: color-mix(in srgb, var(--vurgu) 45%, var(--kenar));
  color: var(--vurgu);
}
.kart-buton-ekle:hover { background: var(--vurgu); color: #06283d; }

.kart-buton-tartis {
  background: color-mix(in srgb, var(--uyari) 14%, var(--yuzey2));
  border-color: color-mix(in srgb, var(--uyari) 45%, var(--kenar));
  color: var(--uyari);
}
.kart-buton-tartis:hover { background: var(--uyari); color: #2a1a02; }

.kart-buton.eklendi,
.kart-buton-ekle.eklendi,
.kart-buton-tartis.eklendi {
  background: color-mix(in srgb, var(--basari) 16%, var(--yuzey2));
  border-color: var(--basari);
  color: var(--basari);
  pointer-events: none;
}

/* Daha fazla yükle */
.daha-fazle-alani { display: flex; justify-content: center; padding: 16px 0 4px; }
.daha-fazle-alani[hidden] { display: none; }
.daha-fazle-dugmesi {
  padding: 10px 22px;
  background: var(--yuzey2);
  border: 1px solid var(--kenar);
  border-radius: 999px;
  color: var(--metin);
  font-weight: 600;
  transition: background var(--gecis), border-color var(--gecis);
}
.daha-fazle-dugmesi:hover { background: var(--yuzey); border-color: var(--soluk); }
.daha-fazle-dugmesi:disabled { opacity: .5; cursor: default; }

/* ==================== GÖREV SATIRLARI ==================== */
.gorev-satir {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--yuzey);
  border: 1px solid var(--kenar);
  border-radius: var(--radius);
  box-shadow: var(--golge);
  padding: 14px;
  transition: border-color var(--gecis), opacity var(--gecis);
}
.gorev-satir:hover { border-color: var(--soluk); }

.gorev-tamamla {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-top: 2px;
}

.gorev-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.gorev-checkbox-gorunum {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: 2px solid var(--kenar);
  border-radius: 7px;
  background: var(--yuzey2);
  transition: background var(--gecis), border-color var(--gecis);
}
.gorev-checkbox-gorunum::after {
  content: "✓";
  font-size: 14px;
  font-weight: 700;
  color: #06283d;
  opacity: 0;
  transform: scale(.5);
  transition: opacity var(--gecis), transform var(--gecis);
}
.gorev-checkbox:checked + .gorev-checkbox-gorunum {
  background: var(--basari);
  border-color: var(--basari);
}
.gorev-checkbox:checked + .gorev-checkbox-gorunum::after {
  opacity: 1;
  transform: scale(1);
}
.gorev-checkbox:focus-visible + .gorev-checkbox-gorunum {
  outline: 2px solid var(--vurgu);
  outline-offset: 2px;
}

.gorev-icerik {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.gorev-ust-satir {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--soluk);
}

.gorev-rozet {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: color-mix(in srgb, var(--vurgu) 16%, transparent);
  color: var(--vurgu);
  border: 1px solid color-mix(in srgb, var(--vurgu) 35%, transparent);
}
.gorev-rozet[data-alan="kind"][data-deger="discuss"],
.gorev-rozet[data-kind="discuss"] {
  background: color-mix(in srgb, var(--uyari) 16%, transparent);
  color: var(--uyari);
  border-color: color-mix(in srgb, var(--uyari) 35%, transparent);
}

.gorev-tarih { white-space: nowrap; }

.gorev-baslik {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.gorev-satir:has(.gorev-checkbox:checked) .gorev-baslik {
  text-decoration: line-through;
  color: var(--soluk);
}

.gorev-not {
  margin: 0;
  font-size: 13px;
  color: var(--soluk);
  overflow-wrap: anywhere;
}
.gorev-not[hidden] { display: none; }

.gorev-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-size: 12px;
  color: var(--soluk);
}
.gorev-kategori { display: inline-flex; align-items: center; gap: 4px; }

.gorev-kaynak-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--vurgu);
  font-size: 12px;
}
.gorev-kaynak-link[hidden] { display: none; }

.gorev-sil {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--soluk);
  font-size: 16px;
  transition: background var(--gecis), color var(--gecis), border-color var(--gecis);
}
.gorev-sil:hover { background: color-mix(in srgb, var(--hata) 16%, transparent); color: var(--hata); border-color: var(--hata); }

/* ==================== DRAWER ==================== */
.drawer-katmani {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  justify-content: flex-end;
}
.drawer-katmani[hidden] { display: none; }

.drawer-arka-plan {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, .65);
  backdrop-filter: blur(2px);
  animation: karart .2s ease;
}
@keyframes karart { from { opacity: 0; } to { opacity: 1; } }

.drawer-panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 520px;
  height: 100%;
  background: var(--yuzey);
  border-left: 1px solid var(--kenar);
  box-shadow: var(--golge-yuksek);
  display: flex;
  flex-direction: column;
  animation: kaydir .25s ease;
  padding-bottom: env(safe-area-inset-bottom);
}
@keyframes kaydir { from { transform: translateX(100%); } to { transform: translateX(0); } }

.drawer-baslik-alani {
  position: sticky;
  top: 0;
  background: var(--yuzey);
  border-bottom: 1px solid var(--kenar);
  padding: 16px 16px 12px;
  padding-top: max(16px, env(safe-area-inset-top));
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.drawer-baslik-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--soluk);
}

.drawer-rozet {
  display: inline-block;
  padding: 3px 10px;
  background: color-mix(in srgb, var(--vurgu) 16%, transparent);
  color: var(--vurgu);
  border: 1px solid color-mix(in srgb, var(--vurgu) 40%, transparent);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.drawer-tarih { white-space: nowrap; }

.drawer-baslik {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
  padding-right: 36px;
  overflow-wrap: anywhere;
}

.drawer-kapat {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--yuzey2);
  border: 1px solid var(--kenar);
  border-radius: 50%;
  color: var(--soluk);
  font-size: 14px;
  transition: background var(--gecis), color var(--gecis);
}
.drawer-kapat:hover { background: var(--hata); color: #fff; border-color: var(--hata); }

.drawer-govde {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 16px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--metin);
}
.drawer-govde h1, .drawer-govde h2, .drawer-govde h3 { line-height: 1.3; }
.drawer-govde p { margin: 0 0 12px; }
.drawer-govde ul, .drawer-govde ol { padding-left: 20px; margin: 0 0 12px; }
.drawer-govde li { margin: 4px 0; }
.drawer-govle code, .drawer-govde code {
  background: var(--yuzey2);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 13px;
}
.drawer-govde pre {
  background: var(--zemin);
  border: 1px solid var(--kenar);
  border-radius: var(--radius-kucuk);
  padding: 12px;
  overflow-x: auto;
}
.drawer-govde blockquote {
  margin: 0 0 12px;
  padding: 8px 14px;
  border-left: 3px solid var(--vurgu);
  background: var(--yuzey2);
  border-radius: 0 8px 8px 0;
  color: var(--soluk);
}
.drawer-govde img { border-radius: var(--radius-kucuk); }

.drawer-butonlar {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  border-top: 1px solid var(--kenar);
  background: var(--yuzey);
}

/* ==================== TOAST ==================== */
.toast-katmani {
  position: fixed;
  z-index: 200;
  right: 14px;
  bottom: calc(var(--sekme-h) + 14px + env(safe-area-inset-bottom));
  left: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--yuzey2);
  border: 1px solid var(--kenar);
  border-left: 4px solid var(--vurgu);
  border-radius: var(--radius-kucuk);
  box-shadow: var(--golge-yuksek);
  color: var(--metin);
  font-size: 14px;
  pointer-events: auto;
  animation: toast-in .25s ease;
}
.toast[data-tur="basari"] { border-left-color: var(--basari); }
.toast[data-tur="uyari"] { border-left-color: var(--uyari); }
.toast[data-tur="hata"] { border-left-color: var(--hata); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.toast-ikon { font-size: 16px; flex-shrink: 0; }
.toast-metin { flex: 1; min-width: 0; overflow-wrap: anywhere; }

/* ==================== ALT SEKME ÇUBUĞU ==================== */
.sekme-cubugu {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  display: flex;
  background: color-mix(in srgb, var(--yuzey) 96%, var(--zemin));
  border-top: 1px solid var(--kenar);
  padding-bottom: env(safe-area-inset-bottom);
  min-height: var(--sekme-h);
}

.sekme-dugmesi {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 8px 4px;
  background: transparent;
  border: 0;
  color: var(--soluk);
  font-size: 11px;
  font-weight: 500;
  transition: color var(--gecis);
  min-height: var(--sekme-h);
}
.sekme-dugmesi:hover { color: var(--metin); }
.sekme-dugmesi.sekme-aktif { color: var(--vurgu); }

.sekme-ikon { font-size: 18px; line-height: 1; }
.sekme-etiket { font-size: 11px; line-height: 1; }

/* ==================== ŞABLONLAR ==================== */
template { display: none; }

/* ==================== GİRİŞ SAYFASI ==================== */
.giris-sayfa {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  padding-top: max(20px, env(safe-area-inset-top));
  padding-bottom: max(20px, env(safe-area-inset-bottom));
  background:
    radial-gradient(1200px 600px at 50% -10%, color-mix(in srgb, var(--vurgu) 12%, transparent), transparent 60%),
    var(--zemin);
}

.giris-kapsayici {
  width: 100%;
  max-width: 380px;
  background: var(--yuzey);
  border: 1px solid var(--kenar);
  border-radius: var(--radius);
  box-shadow: var(--golge-yuksek);
  padding: 28px 22px;
  padding-bottom: max(28px, env(safe-area-inset-bottom));
}

.giris-baslik {
  margin: 0 0 22px;
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  letter-spacing: -.01em;
}

.giris-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.giris-etiket {
  font-size: 13px;
  font-weight: 600;
  color: var(--soluk);
  margin-bottom: 6px;
  display: block;
}

.giris-input {
  width: 100%;
  padding: 12px 14px;
  background: var(--yuzey2);
  border: 1px solid var(--kenar);
  border-radius: var(--radius-kucuk);
  color: var(--metin);
  font: inherit;
  transition: border-color var(--gecis), box-shadow var(--gecis);
}
.giris-input::placeholder { color: var(--soluk); }
.giris-input:focus {
  outline: none;
  border-color: var(--vurgu);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--vurgu) 25%, transparent);
}

.giris-buton {
  margin-top: 6px;
  min-height: 46px;
  padding: 12px 18px;
  background: var(--vurgu);
  color: #06283d;
  border: 0;
  border-radius: var(--radius-kucuk);
  font-size: 15px;
  font-weight: 700;
  transition: filter var(--gecis), transform var(--gecis);
}
.giris-buton:hover { filter: brightness(1.08); }
.giris-buton:active { transform: scale(.98); }
.giris-buton:disabled { opacity: .6; cursor: default; }

.giris-hata {
  margin: 0;
  padding: 10px 12px;
  background: color-mix(in srgb, var(--hata) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--hata) 40%, transparent);
  border-radius: var(--radius-kucuk);
  color: var(--hata);
  font-size: 13px;
  overflow-wrap: anywhere;
}
.giris-hata[hidden] { display: none; }

.giris-not {
  margin: 14px 0 0;
  text-align: center;
  font-size: 12px;
  color: var(--soluk);
  overflow-wrap: anywhere;
}

/* ==================== RESPONSIVE > 900px ==================== */
@media (min-width: 901px) {
  .baslik-cubugu { padding-left: 24px; padding-right: 24px; }
  .arama-alani { padding-left: 24px; padding-right: 24px; }
  .filtre-alani { padding-left: 24px; padding-right: 24px; justify-content: flex-start; }
  .icerik-alani { padding: 20px 24px 24px; }

  .kart-listesi { grid-template-columns: repeat(2, 1fr); gap: 18px; }

  .sekme-cubugu {
    position: sticky;
    top: calc(var(--baslik-h) + var(--arama-h) + var(--filtre-h));
    bottom: auto;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    max-width: 1100px;
    margin: 0 auto;
    border-top: 1px solid var(--kenar);
    border-bottom: 1px solid var(--kenar);
    border-radius: 0;
    padding-bottom: 0;
    min-height: 52px;
  }
  .sekme-dugmesi { min-height: 52px; flex: 0 0 auto; padding: 10px 22px; }
  .sekme-dugmesi { flex-direction: row; gap: 8px; font-size: 14px; }
  .sekme-etiket { font-size: 14px; }

  .icerik-alani { padding-bottom: 24px; }

  .toast-katmani { left: auto; max-width: 380px; }

  .drawer-panel { max-width: 600px; }
}

/* ==================== prefers-reduced-motion ==================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .spinner { animation: none; border-top-color: var(--vurgu); }
}