/**
 * giris.css — Byte Oyun giris esigi.
 *
 * ⚠️ Bu sayfa ANA SAYFA temasini kullanir, oyun sahnesinin temasini DEGIL.
 * Degerler bytesoftware.shop ana sayfasindan birebir alinmistir: palet,
 * Bricolage Grotesque + JetBrains Mono, 20px kart yaricapi, 40px pill input,
 * cam yuzeyler, film greni. Ana sayfa paleti degisirse burasi da guncellenmeli.
 *
 * ★ IMZA OGESI: logo isik kaynagi. Byte ejderha isareti buyuk basilir ve
 * arkasinda ana sayfanin kendi kirmizi radyal parlamasi yavasca nefes alir;
 * form karti o parlamanin icine oturur. Sayfada baska gosterisli oge YOK.
 */

:root {
  /* Ana sayfa paleti — index.php :root ile AYNI */
  --bg: #070406;
  --acc: #ff2330;
  --acc2: #a10a10;
  --foam: #f3ecee;
  --muted: #a98e92;
  --line: rgba(255, 90, 80, .14);
  --glass: rgba(28, 8, 10, .46);
  --glass-brd: rgba(255, 90, 80, .20);

  --ff-disp: "Bricolage Grotesque", sans-serif;
  --ff-body: "Inter", sans-serif;
  --ff-mono: "JetBrains Mono", monospace;
}

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

html, body { height: 100%; }

body {
  margin: 0;
  /* Ana sayfanin zemin gradyani */
  background: radial-gradient(120% 90% at 50% -10%, #2a0608 0%, #140406 45%, #070406 100%);
  color: var(--foam);
  font-family: var(--ff-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Ana sayfadaki ayni film greni — iki sayfa ayni dokuda dursun */
.grain {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ------------------------------------------------------------- yerlesim */

.esik {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  gap: 28px;
}

/* --------------------------------------------- ★ IMZA: logo isik kaynagi */

.mark {
  position: relative;
  display: grid;
  place-items: center;
  text-decoration: none;
}

/* Parlama: ana sayfanin kendi kirmizi radyal isigi */
.mark::before {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 40, 45, .30), transparent 65%);
  animation: nefes 7s ease-in-out infinite;
  pointer-events: none;
}

@keyframes nefes {
  0%, 100% { transform: scale(1);    opacity: .85; }
  50%      { transform: scale(1.09); opacity: 1; }
}

.mark img {
  position: relative;
  /* Hale 420px; isaret bundan cok kucuk kalirsa "buyuk bosluga dusmus ufak
     logo" gibi durur. 104px hale icinde tasiyici agirligi tutuyor. */
  width: clamp(76px, 13vw, 104px);
  height: auto;
  display: block;
  filter: drop-shadow(0 0 26px rgba(255, 40, 45, .55));
}

/* --------------------------------------------------------------- baslik */

.baslik { position: relative; text-align: center; }

.tag {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--acc);
  letter-spacing: .2em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
}
.tag::before {
  content: '';
  width: 26px;
  height: 1px;
  background: var(--acc);
}

.baslik h1 {
  font-family: var(--ff-disp);
  font-weight: 700;
  font-size: clamp(38px, 7vw, 62px);
  line-height: .95;
  letter-spacing: -.035em;
  margin: 0;
}

/* Ana sayfanin imza yazi efekti: ici bos, kirmizi konturlu */
.baslik h1 em {
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 1.4px var(--acc);
  text-shadow: 0 0 44px rgba(255, 40, 45, .55);
}

/* ----------------------------------------------------------------- kart */

.kart {
  position: relative;
  width: min(100%, 430px);
  background: var(--glass);
  border: 1px solid var(--glass-brd);
  border-radius: 20px;
  padding: 26px;
  backdrop-filter: blur(12px);
}

.sekmeler {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 20px;
}

.sekmeler button {
  appearance: none;
  cursor: pointer;
  padding: 11px;
  border-radius: 40px;
  border: 1px solid transparent;
  background: none;
  color: var(--muted);
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .2s, background .2s, border-color .2s;
}
.sekmeler button:hover { color: var(--foam); }
.sekmeler button[aria-selected="true"] {
  color: var(--foam);
  background: rgba(255, 35, 48, .10);
  border-color: var(--glass-brd);
}
.sekmeler button:focus-visible { outline: 2px solid var(--acc); outline-offset: 2px; }

/* ----------------------------------------------------------------- form */

.alan { margin-bottom: 12px; }

.alan label {
  display: block;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 7px;
  padding-left: 4px;
}

/* Ana sayfanin KENDI input dili: pill, mono, cam */
.alan input {
  width: 100%;
  background: var(--glass);
  border: 1px solid var(--glass-brd);
  border-radius: 40px;
  padding: 14px 21px;
  color: var(--foam);
  font-family: var(--ff-mono);
  font-size: 14px;
  outline: none;
  transition: border-color .2s, background .2s;
}
.alan input::placeholder { color: #6d565a; }
.alan input:focus { border-color: rgba(255, 40, 45, .55); background: rgba(40, 12, 14, .6); }
.alan input:focus-visible { outline: 2px solid var(--acc); outline-offset: 2px; }

.ipucu {
  font-family: var(--ff-mono);
  font-size: 11px;
  line-height: 1.55;
  color: var(--muted);
  margin: 0 0 16px;
  padding-left: 4px;
}

.gonder {
  width: 100%;
  margin-top: 6px;
  padding: 15px 22px;
  border: none;
  border-radius: 40px;
  background: linear-gradient(135deg, var(--acc), var(--acc2));
  box-shadow: 0 8px 30px rgba(255, 35, 48, .32);
  color: #fff;
  font-family: var(--ff-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: box-shadow .25s, transform .25s;
}
.gonder:hover:not(:disabled) { box-shadow: 0 14px 46px rgba(255, 35, 48, .55); transform: translateY(-1px); }
.gonder:disabled { opacity: .6; cursor: progress; }
.gonder:focus-visible { outline: 2px solid var(--foam); outline-offset: 3px; }

.uyari {
  margin: 14px 0 0;
  padding: 11px 16px;
  border-radius: 14px;
  border: 1px solid;
  font-family: var(--ff-mono);
  font-size: 11.5px;
  line-height: 1.5;
}
.uyari[hidden] { display: none; }
.uyari.kotu { background: rgba(255, 35, 48, .10); border-color: rgba(255, 35, 48, .40); color: #ff9aa0; }
.uyari.iyi  { background: rgba(80, 220, 150, .08); border-color: rgba(80, 220, 150, .35); color: #7fdcaa; }

/* ------------------------------------------------------------------ alt */

.alt {
  position: relative;
  text-align: center;
  font-family: var(--ff-mono);
  font-size: 10.5px;
  letter-spacing: .06em;
  color: #6d565a;
  line-height: 1.9;
  max-width: 430px;
}
.alt a { color: var(--muted); text-decoration: none; border-bottom: 1px solid var(--line); }
.alt a:hover { color: var(--foam); border-bottom-color: var(--acc); }

/* --------------------------------------------------------------- mobil */

@media (max-width: 520px) {
  .esik { padding: 32px 18px; gap: 22px; }
  .mark::before { width: 300px; height: 300px; }
  .kart { padding: 22px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .mark::before { animation: none; }
  .gonder:hover:not(:disabled) { transform: none; }
}