/* Proje sayfalarının ortak çerçevesi: ana sayfayla aynı renkler, yazı tipleri ve düğmeler.
   Renkler: Kâğıt (varsayılan) ve Gece. Sanat kodu da bu değişkenleri KD.renk() ile okur. */
:root {
  --zemin: #f1efe9;
  --yazi: #16161a;
  --soluk: #8a867d;
  --cizgi: rgba(22, 22, 26, 0.13);
  --panel: rgba(241, 239, 233, 0.82);
  --display: "Unbounded", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --kenar: clamp(16px, 2.6vw, 32px);
  color-scheme: light;
}
:root[data-tema="gece"] {
  --zemin: #0e0f13;
  --yazi: #ecebe6;
  --soluk: #85837f;
  --cizgi: rgba(236, 235, 230, 0.15);
  --panel: rgba(14, 15, 19, 0.78);
  color-scheme: dark;
}
html { background: var(--zemin); color: var(--yazi); transition: background-color 0.6s ease, color 0.6s ease; }
body { font-family: var(--mono); -webkit-font-smoothing: antialiased; }

/* ───────── üst çubuk ───────── */
.kd-ust {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: flex-start; gap: 16px;
  padding: calc(18px + env(safe-area-inset-top, 0px)) var(--kenar) 0;
  pointer-events: none; color: var(--yazi);
  font: 500 11px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase;
}
.kd-ust > * { pointer-events: auto; }
.kd-ust a { color: inherit; }
.kd-ust :focus-visible, .kd-dugme:focus-visible, .kd-bilgi :focus-visible { outline: 2px solid var(--yazi); outline-offset: 3px; }

.kd-baslik { display: grid; gap: 14px; justify-items: start; }
.kd-marka { display: inline-flex; align-items: center; gap: 10px; font: 600 15px/1 var(--display); letter-spacing: -0.01em; text-transform: none; text-decoration: none; }
.kd-marka i { font-style: normal; transition: transform 0.4s cubic-bezier(0.6, 0, 0.2, 1); }
.kd-marka:hover i { transform: translateX(-4px); }
.kd-marka span { color: var(--soluk); }
.kd-baslik h1 { margin: 0; font: 600 clamp(28px, 4.4vw, 56px)/0.95 var(--display); letter-spacing: -0.04em; text-transform: none; }
.kd-alt { color: var(--soluk); line-height: 1.5; }

.kd-sag { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.kd-sayac { margin-right: 8px; color: var(--soluk); font-variant-numeric: tabular-nums; }
.kd-sayac b { color: var(--yazi); font-weight: 500; }
.kd-ok {
  display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--cizgi); border-radius: 50%;
  background: var(--panel); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  font: 400 15px/1 var(--mono); text-decoration: none; transition: border-color 0.3s;
}
.kd-ok:hover { border-color: var(--yazi); }

/* ana sayfadakiyle aynı renk düğmesi */
.kd-tema, .kd-bilgi-ac {
  display: inline-flex; align-items: center; gap: 9px; height: 34px; padding: 0 13px; border: 1px solid var(--cizgi); border-radius: 999px;
  background: var(--panel); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); color: inherit;
  font: 500 11px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer; transition: border-color 0.3s;
}
.kd-tema { padding-left: 8px; }
.kd-tema:hover, .kd-bilgi-ac:hover { border-color: var(--yazi); }
.kd-tema i { position: relative; width: 26px; height: 14px; border-radius: 7px; background: var(--cizgi); }
.kd-tema i::after { content: ""; position: absolute; top: 2px; left: 2px; width: 10px; height: 10px; border-radius: 50%; background: var(--yazi); transition: transform 0.45s cubic-bezier(0.6, 0, 0.2, 1); }
:root[data-tema="gece"] .kd-tema i::after { transform: translateX(12px); }
:root[data-tema-sabit] .kd-tema { display: none; }

/* ───────── projelerin kendi düğmeleri ve panelleri için ortak görünüm ───────── */
.kd-dugme {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 34px; padding: 0 14px;
  border: 1px solid var(--cizgi); border-radius: 999px; background: var(--panel); color: var(--yazi);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  font: 500 11px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer; transition: border-color 0.3s, background-color 0.3s, color 0.3s;
}
.kd-dugme:hover { border-color: var(--yazi); }
.kd-dugme[aria-pressed="true"] { background: var(--yazi); border-color: var(--yazi); color: var(--zemin); }
.kd-panel {
  border: 1px solid var(--cizgi); border-radius: 16px; background: var(--panel);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); color: var(--yazi);
}
.kd-alt-cubuk {
  position: fixed; left: var(--kenar); right: var(--kenar); bottom: calc(18px + env(safe-area-inset-bottom, 0px)); z-index: 40;
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px; pointer-events: none;
}
.kd-alt-cubuk > * { pointer-events: auto; }
.kd-ipucu { margin-left: auto; color: var(--soluk); font: 500 11px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }

/* ───────── bilgi paneli ───────── */
.kd-bilgi { position: fixed; inset: 0; z-index: 60; visibility: hidden; }
.kd-bilgi.acik { visibility: visible; }
.kd-bilgi .kd-ort { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.18); opacity: 0; transition: opacity 0.5s ease; }
.kd-bilgi.acik .kd-ort { opacity: 1; }
.kd-bilgi aside {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(440px, 100%); overflow: auto;
  display: flex; flex-direction: column; gap: 22px;
  padding: calc(88px + env(safe-area-inset-top, 0px)) 30px calc(30px + env(safe-area-inset-bottom, 0px));
  background: var(--zemin); border-left: 1px solid var(--cizgi); color: var(--yazi);
  transform: translateX(100%); transition: transform 0.6s cubic-bezier(0.7, 0, 0.2, 1);
}
.kd-bilgi.acik aside { transform: none; }
.kd-bilgi .kd-etiket { margin: 0; color: var(--soluk); font: 500 11px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; }
.kd-bilgi h2 { margin: -8px 0 0; font: 600 clamp(36px, 6vw, 56px)/0.95 var(--display); letter-spacing: -0.04em; }
.kd-bilgi p.kd-aciklama { margin: 0; font: 300 19px/1.45 var(--display); letter-spacing: -0.01em; }
.kd-bilgi dl { display: grid; margin: 0; border-top: 1px solid var(--cizgi); font: 400 13px/1.4 var(--mono); }
.kd-bilgi dl div { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--cizgi); }
.kd-bilgi dt { color: var(--soluk); text-transform: uppercase; letter-spacing: 0.1em; font-size: 11px; }
.kd-bilgi dd { margin: 0; text-align: right; }
.kd-bilgi .kd-tum { margin-top: auto; align-self: flex-start; }
.kd-kapat { position: absolute; top: calc(18px + env(safe-area-inset-top, 0px)); right: var(--kenar); }

/* ───────── sayfa geçiş perdesi ───────── */
/* çerçeve kurulana kadar sayfa örtülü kalır, sonra perde yukarı kalkar */
html.kd-giris body::after { content: ""; position: fixed; inset: 0; z-index: 99; background: var(--zemin); }
.kd-perde { position: fixed; inset: 0; z-index: 100; background: var(--zemin); pointer-events: none; transform: translateY(0); }
.kd-perde.kalkti { transform: translateY(-100%); transition: transform 0.9s cubic-bezier(0.7, 0, 0.2, 1); }
.kd-perde.iniyor { transform: translateY(100%); transition: none; }
.kd-perde.indi { transform: translateY(0); transition: transform 0.6s cubic-bezier(0.7, 0, 0.2, 1); }

.kd-bilgi-ac b { display: none; font: 600 13px/1 var(--display); text-transform: none; }
@media (max-width: 640px) {
  .kd-sayac, .kd-bilgi-ac span { display: none; }
  .kd-bilgi-ac b { display: inline; }
  .kd-bilgi-ac { width: 34px; padding: 0; justify-content: center; }
  .kd-baslik { gap: 10px; }
  .kd-ipucu { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { transition: none; }
  .kd-perde, .kd-perde.kalkti, .kd-perde.indi { transition: none; }
  .kd-bilgi aside, .kd-bilgi .kd-ort { transition: none; }
}