/* KILPAYI — temel tema: siyah zemin, KILPAYI, beyaz yazı. Üçüncü renk yok. */
:root {
  --red: #c1121f;
  --red-dark: #780000;
  --white: #f2f2f2;
  --dim: #8a8a8a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: #000;
  color: var(--white);
  font-family: "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}

.brand {
  letter-spacing: 0.35em;
  font-weight: 300;
  font-size: 1.6rem;
  margin-top: 28px;
}

.slogan {
  color: var(--dim);
  margin-top: 10px;
  font-style: italic;
  font-weight: 300;
}

/* İnce çizgili KILPAYI */
.door {
  width: 110px;
  height: 190px;
  border: 2px solid var(--red);
  border-radius: 3px 3px 0 0;
  position: relative;
  margin: 0 auto;
  animation: doorGlow 3s ease-in-out infinite;
}
.door::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid var(--red-dark);
}
.door::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
}
@keyframes doorGlow {
  0%, 100% { box-shadow: 0 0 12px rgba(193, 18, 31, 0.25); }
  50%      { box-shadow: 0 0 28px rgba(193, 18, 31, 0.55); }
}

.actions { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

.btn {
  display: inline-block;
  padding: 13px 34px;
  border: 1px solid var(--red);
  color: var(--white);
  background: transparent;
  text-decoration: none;
  letter-spacing: 0.15em;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s;
}
.btn:hover { background: var(--red-dark); }
.btn-primary { background: var(--red); }
.btn-primary:hover { background: var(--red-dark); }

form.panel {
  margin-top: 32px;
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
form.panel input {
  background: #0d0d0d;
  border: 1px solid #333;
  color: var(--white);
  padding: 12px 14px;
  font-size: 1rem;
}
form.panel input:focus { outline: none; border-color: var(--red); }

.error {
  color: var(--red);
  border: 1px solid var(--red-dark);
  padding: 10px 14px;
  margin-top: 20px;
  max-width: 340px;
  font-size: 0.9rem;
}

.muted { color: var(--dim); font-size: 0.85rem; margin-top: 18px; }
.muted a { color: var(--white); }

/* E2 — kod adı kartı */
.codename-card {
  margin-top: 30px;
  border: 1px solid var(--red);
  padding: 40px 50px;
  animation: doorGlow 3s ease-in-out infinite;
}
.codename-card .label { color: var(--dim); letter-spacing: 0.2em; font-size: 0.8rem; }
.codename-card .name {
  font-size: 2.2rem;
  letter-spacing: 0.15em;
  margin-top: 12px;
  color: var(--white);
}