/* Giriş ekranı stilleri.
   Panelin görsel kimliğiyle aynı: renkler, tipografi ve yuvarlaklık src/styles.css
   ile birebir eşleşir. Panelin 2200 satırlık CSS'ini giriş sayfasına yüklememek için
   ayrı dosya tutuluyor.

   NOT: aşağıdaki :root değişkenleri styles.css ile aynıdır. İkisini tek kaynaktan
   beslemek için ileride ortak bir tokens.css'e çıkarılmalı (bkz. FE-T sonrası). */

:root {
  --ink: #151722;
  --muted: #8b8f99;
  --line: #ececf4;
  --panel: #ffffff;
  --teal: #5f54e9;
  --danger: #f05578;
  --radius: 22px;
  font-family: "Plus Jakarta Sans", "Manrope", "Inter", "Aptos", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-weight: 400;
  background:
    radial-gradient(circle at 92% 6%, rgba(103, 87, 232, .18) 0 120px, transparent 121px),
    radial-gradient(circle at 3% 96%, rgba(185, 217, 79, .16) 0 110px, transparent 111px),
    linear-gradient(135deg, #eef1ff 0%, #f8f8fc 44%, #f5f6ef 100%);
}

button, input { font: inherit; }

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  padding: 32px 32px 26px;
  border-radius: 26px;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 30px 90px rgba(82, 85, 130, .18);
  backdrop-filter: blur(16px);
}

.login-brand {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.login-brand strong {
  display: block;
  font-size: 28px;
  font-weight: 750;
  line-height: 1;
  color: var(--teal);
}

.login-brand span {
  display: block;
  margin-top: 7px;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--muted);
}

.login-title {
  margin: 22px 0 6px;
  font-size: 22px;
  font-weight: 700;
}

.login-lead {
  margin: 0 0 22px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
}

.login-form {
  display: grid;
  gap: 8px;
}

.login-label {
  font-size: 13px;
  font-weight: 600;
}

.login-field {
  width: 100%;
  height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  color: var(--ink);
  transition: border-color .16s ease, box-shadow .16s ease;
}

.login-field::placeholder { color: #b9bcc6; }

.login-field:focus-visible {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(95, 84, 233, .18);
}

/* Şifre alanı + göster/gizle düğmesi */
.login-password { position: relative; }

.login-password .login-field { padding-right: 78px; }

.login-reveal {
  position: absolute;
  top: 50%;
  right: 6px;
  transform: translateY(-50%);
  height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #f7f7fb;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: color .16s ease, border-color .16s ease;
}

.login-reveal:hover { color: var(--teal); border-color: var(--teal); }

.login-reveal:focus-visible {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(95, 84, 233, .18);
}

/* "Beni hatırla" */
.login-remember {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 6px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(247, 247, 251, .7);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
}

.login-remember input {
  width: 18px;
  height: 18px;
  margin: 1px 0 0;
  accent-color: var(--teal);
  cursor: pointer;
  flex: none;
}

.login-remember small {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  font-weight: 400;
  color: var(--muted);
}

.login-remember:focus-within {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(95, 84, 233, .18);
}

/* Hata mesajı */
.login-error {
  margin: 4px 0 0;
  padding: 11px 14px;
  border: 1px solid rgba(240, 85, 120, .28);
  border-radius: 14px;
  background: rgba(240, 85, 120, .09);
  color: #b52347;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.45;
}

.login-error[hidden] { display: none; }

/* Gönder düğmesi */
.login-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  margin-top: 10px;
  border: 1px solid var(--teal);
  border-radius: 15px;
  background: var(--teal);
  color: #fff;
  font-weight: 650;
  cursor: pointer;
  transition: filter .16s ease, opacity .16s ease;
}

.login-submit:hover:not(:disabled) { filter: brightness(1.07); }

.login-submit:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(95, 84, 233, .3);
}

.login-submit:disabled {
  opacity: .62;
  cursor: progress;
}

.login-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

@media (max-width: 480px) {
  .login-shell { padding: 16px; }
  .login-card { padding: 26px 22px 22px; }
  .login-brand strong { font-size: 24px; }
}

/* Hareket azaltma tercihine saygı */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}