/* BUNYAİ 2.0 sohbet. Tanıtım sitesiyle aynı dil: kömür zemin, düz renkler, köşeli kutular; gölge, degrade ve ince çizgi yok. */
@font-face { font-family: "Panchang"; src: url("site/yazi/panchang-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Switzer"; src: url("site/yazi/switzer-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Switzer"; src: url("site/yazi/switzer-500.woff2") format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --bg: #191919; --surface: #242424; --surface2: #2f2f2f; --ink: #ffffff; --muted: #a8a8a8; --kagit: #f4efe1;
  --kirmizi: #d71e1e; --mavi: #1e4bd7; --yesil: #0c7866; --sari: #ffe927; --sari-ink: #111111;
  --kenar: clamp(16px, 2.2vw, 32px);
  --hiz: cubic-bezier(.2, .7, .2, 1);
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.55 "Switzer", system-ui, sans-serif; -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; padding: 0; }
:focus-visible { outline: 3px solid var(--sari); outline-offset: 2px; }
::selection { background: var(--sari); color: var(--sari-ink); }
svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: square; stroke-linejoin: miter; }
h1, h2, p { margin: 0; }
.marka { font: 700 14px/1 "Panchang", sans-serif; letter-spacing: -0.01em; white-space: nowrap; }

/* ---------------- giriş: harf arazisinin önünde tek kart ---------------- */
.giris { position: fixed; inset: 0; overflow: hidden; background: var(--bg); }
.giris-tuval { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: pan-y; }
.giris-kart {
  position: absolute; left: var(--kenar); bottom: clamp(24px, 6vh, 64px); width: min(520px, calc(100% - 2 * var(--kenar)));
  background: var(--bg); padding: clamp(20px, 2.4vw, 32px); transition: opacity .5s var(--hiz), translate .6s var(--hiz);
}
.giris.cikiyor .giris-kart { opacity: 0; translate: 0 24px; }
.giris-kart .marka { color: var(--muted); }
.giris-baslik { font: 700 clamp(2.4rem, 4.6vw, 4.4rem)/1 "Panchang", sans-serif; text-transform: uppercase; letter-spacing: -0.02em; margin-top: 18px; }
.giris-cumle { margin-top: 16px; font-size: clamp(1.05rem, 1rem + .4vw, 1.3rem); line-height: 1.35; max-width: 32em; }
#giris-form { margin-top: 24px; display: grid; gap: 8px; }
#giris-form label { font-size: 14px; color: var(--muted); font-weight: 500; }
.kod-satir { display: flex; gap: 4px; }
#kod { flex: 1; min-width: 0; padding: 15px 16px; border: 0; background: var(--surface); font: 500 18px/1.2 "Switzer", sans-serif; letter-spacing: .12em; text-transform: uppercase; }
#kod::placeholder { color: #6d6d6d; }
#kod:focus { outline: 3px solid var(--sari); outline-offset: -3px; }
.ana-dugme { padding: 0 26px; background: var(--sari); color: var(--sari-ink); font-weight: 500; transition: background-color .18s, translate .18s var(--hiz); }
.ana-dugme:hover { background: #fff; }
.ana-dugme:active { translate: 0 2px; }
.ana-dugme:disabled { opacity: .6; }
.hata { min-height: 1.4em; color: #ff8a7a; font-size: 15px; }
.not { margin-top: 10px; font-size: 14px; color: var(--muted); max-width: 40em; }
.webgl-yok .giris-tuval { display: none; }

/* ---------------- uygulama ---------------- */
.uygulama { height: 100dvh; display: grid; grid-template-rows: auto auto 1fr auto; }
.ust { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: calc(10px + env(safe-area-inset-top)) var(--kenar) 10px; background: var(--bg); }
.ust-sag { display: flex; gap: 4px; }
.ikon-dugme { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-width: 44px; height: 44px; padding: 0 12px; background: var(--surface); color: var(--ink); font-size: 15px; font-weight: 500; transition: background-color .18s, color .18s; }
.ikon-dugme:hover { background: var(--ink); color: var(--bg); }
.ikon-dugme.sade { background: none; color: var(--muted); }
.ikon-dugme.sade:hover { background: var(--surface); color: var(--ink); }
.bant { padding: 10px var(--kenar); background: var(--kirmizi); color: #fff; font-size: 15px; font-weight: 500; }

.akis { overflow-y: auto; overscroll-behavior: contain; padding: 8px var(--kenar) 16px; }
.mesajlar, .karsilama { max-width: 820px; margin: 0 auto; }

/* karşılama: büyük soru ve dört renkli öneri */
.karsilama { padding: clamp(16px, 7vh, 80px) 0 12px; }
.karsilama h1 { font: 700 clamp(2.1rem, 5.6vw, 4.6rem)/1 "Panchang", sans-serif; text-transform: uppercase; letter-spacing: -0.02em; }
.karsilama p { margin-top: 14px; color: var(--muted); font-size: 18px; }
.oneriler { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; margin-top: clamp(20px, 4vh, 36px); }
.oneri { min-height: 108px; padding: 16px 18px; display: flex; align-items: flex-end; text-align: left; font-size: 16px; font-weight: 500; line-height: 1.3; color: #fff; transition: translate .25s var(--hiz), background-color .18s, color .18s; }
.oneri:nth-child(1) { background: var(--sari); color: var(--sari-ink); }
.oneri:nth-child(2) { background: var(--kirmizi); }
.oneri:nth-child(3) { background: var(--mavi); }
.oneri:nth-child(4) { background: var(--yesil); }
.oneri:hover { translate: 0 -4px; }
.oneri:active { translate: 0 1px; }

/* mesajlar */
.mesaj { margin: 0 0 26px; overflow-wrap: anywhere; animation: belir .35s var(--hiz) both; }
@keyframes belir { from { opacity: 0; translate: 0 10px; } }
.mesaj.kullanici { display: flex; flex-direction: column; align-items: flex-end; }
.mesaj.kullanici .balon { max-width: min(85%, 620px); padding: 11px 15px; background: var(--mavi); color: #fff; white-space: pre-wrap; }
.mesaj.kullanici img { max-width: min(280px, 70%); margin-bottom: 4px; display: block; }
.kim { font: 700 12px/1 "Panchang", sans-serif; color: var(--sari); margin-bottom: 10px; letter-spacing: .02em; }
.mesaj.asistan .govde > :first-child { margin-top: 0; }
.mesaj.asistan p { margin: 0 0 .7em; }
.mesaj.asistan h3 { font-size: 18px; font-weight: 500; margin: 1.1em 0 .4em; }
.mesaj.asistan ul, .mesaj.asistan ol { margin: 0 0 .7em; padding-left: 1.4em; }
.mesaj.asistan li + li { margin-top: .25em; }
.mesaj.asistan strong { font-weight: 500; color: #fff; }
.mesaj.asistan code { font: 14.5px/1.5 ui-monospace, "Cascadia Code", Consolas, monospace; background: var(--surface2); padding: 1px 5px; }
.mesaj.asistan pre { background: #111; padding: 14px 16px; overflow-x: auto; margin: 0 0 .9em; }
.mesaj.asistan pre code { background: none; padding: 0; font-size: 14px; color: #e8e8e8; }
.mesaj .hata-metni { color: #ff8a7a; }
.mesaj .soluk { color: var(--muted); }

details.dusunce { margin: 0 0 12px; background: var(--surface); padding: 10px 14px; color: var(--muted); font-size: 15px; }
details.dusunce summary { cursor: pointer; list-style: none; user-select: none; font-weight: 500; color: var(--ink); }
details.dusunce summary::-webkit-details-marker { display: none; }
details.dusunce summary::before { content: "+"; display: inline-block; width: 1em; color: var(--mavi); font-weight: 700; }
details.dusunce[open] summary::before { content: "−"; }
details.dusunce div { white-space: pre-wrap; margin-top: 8px; max-height: 280px; overflow-y: auto; }

.arama-durum { display: flex; align-items: center; gap: 8px; margin: 0 0 12px; color: var(--muted); font-size: 15px; }
.arama-durum svg { flex: none; width: 16px; height: 16px; stroke: var(--yesil); stroke-width: 2.4; }
.arama-durum span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kaynaklar { margin-top: 14px; padding: 12px 14px; background: var(--surface); font-size: 14.5px; }
.kaynaklar h4 { margin: 0 0 8px; font: 700 11px/1 "Panchang", sans-serif; letter-spacing: .04em; color: var(--muted); }
.kaynaklar ol { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.kaynaklar li { min-width: 0; }
.kaynaklar a { display: flex; gap: 10px; align-items: baseline; color: var(--ink); text-decoration: none; }
.kaynaklar a:hover .baslik, .kaynaklar a:focus-visible .baslik { text-decoration: underline; }
.kaynaklar .no { flex: none; min-width: 22px; height: 22px; display: inline-grid; place-items: center; background: var(--sari); color: var(--sari-ink); font-size: 12px; font-weight: 500; }
.kaynaklar .baslik { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.kaynaklar .alan { flex: none; margin-left: auto; color: var(--muted); font-size: 13px; }
.atif { display: inline-grid; place-items: center; min-width: 17px; height: 17px; padding: 0 3px; margin: 0 1px; background: var(--sari); color: var(--sari-ink); font-size: 11px; font-weight: 500; vertical-align: 2px; }

.yaziyor-isareti { display: inline-flex; gap: 4px; align-items: center; color: var(--muted); font-size: 15px; }
.yaziyor-isareti i { width: 8px; height: 8px; background: var(--sari); animation: nabiz 1.1s infinite ease-in-out; }
.yaziyor-isareti i:nth-child(2) { animation-delay: .15s; }
.yaziyor-isareti i:nth-child(3) { animation-delay: .3s; }
@keyframes nabiz { 0%, 80%, 100% { opacity: .25; scale: .7; } 40% { opacity: 1; scale: 1; } }

/* ---------------- yazma alanı ve 3D şerit ---------------- */
.yazma { padding: 0 var(--kenar) calc(12px + env(safe-area-inset-bottom)); background: var(--bg); }
.serit, .yazma-kutu, .alt-satir, .onizleme { max-width: 820px; margin: 0 auto; }
/* Şerit modelin durumunu gösterir; karşılama ekranında büyük, sohbet başlayınca incelir */
.serit { height: 56px; transition: height .6s var(--hiz); }
.serit canvas { display: block; width: 100%; height: 100%; }
.uygulama.bos .serit { height: clamp(120px, 22vh, 230px); }
.webgl-yok .serit { display: none; }
.yazma-kutu { display: flex; align-items: flex-end; gap: 4px; padding: 4px; background: var(--surface); }
.yazma-kutu:focus-within { outline: 3px solid var(--sari); outline-offset: -3px; }
.yazma-kutu .ikon-dugme { background: none; color: var(--muted); }
.yazma-kutu .ikon-dugme:hover { background: var(--surface2); color: var(--ink); }
#metin { flex: 1; min-height: 44px; max-height: 160px; padding: 10px 6px; border: 0; background: none; resize: none; outline: none; }
#metin::placeholder { color: #7a7a7a; }
.gonder { flex: none; width: 44px; height: 44px; display: grid; place-items: center; background: var(--sari); color: var(--sari-ink); transition: background-color .18s, translate .18s var(--hiz); }
.gonder:hover:not(:disabled) { background: #fff; }
.gonder:active:not(:disabled) { translate: 0 2px; }
.gonder:disabled { opacity: .35; cursor: default; }
.gonder .kare { display: none; fill: currentColor; stroke: none; }
.gonder.durdur { background: var(--kirmizi); color: #fff; }
.gonder.durdur .ok { display: none; }
.gonder.durdur .kare { display: block; }

.onizleme { position: relative; width: fit-content; margin-bottom: 8px; margin-left: 0; }
.onizleme img { display: block; height: 76px; }
.kaldir { position: absolute; top: -8px; right: -8px; width: 26px; height: 26px; background: var(--ink); color: var(--bg); font-size: 16px; line-height: 1; }

.alt-satir { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 6px 14px; padding-top: 10px; font-size: 14px; color: var(--muted); }
.anahtarlar { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.dusun { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; color: var(--ink); }
.dusun input { position: absolute; opacity: 0; pointer-events: none; }
.anahtar { position: relative; width: 36px; height: 20px; background: var(--surface2); transition: background-color .18s; }
.anahtar::after { content: ""; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; background: var(--muted); transition: translate .18s var(--hiz), background-color .18s; }
.dusun input:checked + .anahtar { background: var(--yesil); }
.dusun input:checked + .anahtar::after { translate: 16px 0; background: #fff; }
.dusun input:focus-visible + .anahtar { outline: 3px solid var(--sari); outline-offset: 2px; }

/* ---------------- telefon ---------------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .giris-kart { left: 0; right: 0; bottom: 0; width: auto; padding: 20px var(--kenar) calc(20px + env(safe-area-inset-bottom)); }
  .giris-baslik { font-size: 2.1rem; margin-top: 12px; }
  .ana-dugme { padding: 0 18px; }
  .ikon-dugme span { display: none; }
  .oneriler { grid-template-columns: minmax(0, 1fr); }
  .oneri { min-height: 0; padding: 14px 16px; }
  .serit { height: 40px; }
  .uygulama.bos .serit { height: 96px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}