/*
 * Login screen only. Self-contained on purpose - no external font/CDN
 * requests on the one screen every visitor hits before authenticating.
 */

:root {
  --scp-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --scp-bg: #f3f5f9;
  --scp-card-bg: #ffffff;
  --scp-text: #101828;
  --scp-text-muted: #5c6579;
  --scp-border: #e0e4eb;
  --scp-primary: #14326b;
  --scp-primary-dark: #0b2249;
  --scp-primary-hover: #0b2249;
  --scp-error: #c0271e;
  --scp-error-bg: #fbe9e8;
  --scp-warning: #b45309;
  --scp-success: #0f9d63;
  --scp-radius: 14px;
}

/*
 * "Manuel karanlık mod anahtarı" (bkz. theme.css'in aynı adı taşıyan
 * bloğu) - bu ekranda bir açma/kapama düğmesi YOK (giriş öncesi, sade bir
 * ekran; ekstra bir kontrol eklemek gereksiz karmaşıklık), ama panele
 * giriş yapmış bir kullanıcının SEÇTİĞİ tercih (localStorage) burada da
 * saygı görüyor - inc/setup.php'nin scp_theme_preload_script()'i her iki
 * ekranda da AYNI, sayfa boyanmadan önce çalışan satır içi script'i
 * basıyor. OS'nin `prefers-color-scheme`'i burada da dikkate ALINMIYOR -
 * theme.css'teki aynı karardan.
 */
:root[data-theme="dark"] {
  --scp-bg: #0e1116;
  --scp-card-bg: #171b22;
  --scp-text: #f2f3f5;
  --scp-text-muted: #9aa1ac;
  --scp-border: #2c313a;
  --scp-primary: #5b8def;
  --scp-primary-dark: #3f6fce;
  --scp-primary-hover: #7ea3f2;
  --scp-error: #f87171;
  --scp-error-bg: #341615;
  --scp-warning: #f0b429;
  --scp-success: #34d399;
}

* {
  box-sizing: border-box;
}

body.scp-auth-body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 15% 15%, rgba(20, 50, 107, 0.08), transparent 45%),
    radial-gradient(circle at 85% 85%, rgba(15, 157, 99, 0.07), transparent 45%),
    var(--scp-bg);
  color: var(--scp-text);
  font-family: var(--scp-font);
  padding: 24px;
}

.scp-auth-screen {
  width: 100%;
  display: flex;
  justify-content: center;
}

.scp-auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--scp-card-bg);
  border: 1px solid var(--scp-border);
  border-radius: var(--scp-radius);
  padding: 36px 28px 32px;
  box-shadow: 0 12px 32px rgba(16, 24, 40, 0.1);
}

.scp-auth-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--scp-primary) 0%, var(--scp-primary-dark) 100%);
  color: #fff;
  font-size: 1.125rem;
  font-weight: 800;
  box-shadow: 0 4px 12px rgba(20, 50, 107, 0.3);
}

.scp-auth-logo {
  display: block;
  max-width: 200px;
  max-height: 72px;
  margin: 0 auto 16px;
  object-fit: contain;
}

/* "Karanlık modda logo/görsel uyum kontrolü" - theme.css'in
   .scp-site-header__logo'daki AYNI kararı: sabit beyaz zemin, logonun
   kendi renklerine bakılmaksızın kontrastı garanti eder. */
:root[data-theme="dark"] .scp-auth-logo {
  padding: 8px 12px;
  background: #fff;
  border-radius: var(--scp-radius, 14px);
}

.scp-auth-title {
  margin: 0 0 24px;
  font-size: 1.3125rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  text-align: center;
  color: var(--scp-primary-dark);
}

.scp-auth-status {
  min-height: 1.25em;
  margin: 0 0 12px;
  font-size: 0.875rem;
  color: var(--scp-text-muted);
}

.scp-auth-status--error {
  color: var(--scp-error);
  background: var(--scp-error-bg);
  padding: 8px 10px;
  border-radius: 8px;
}

.scp-auth-form[hidden] {
  display: none;
}

.scp-auth-field {
  display: block;
  margin-bottom: 16px;
}

.scp-auth-field span {
  display: block;
  margin-bottom: 6px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--scp-text-muted);
}

.scp-auth-field input {
  width: 100%;
  padding: 10px 12px;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--scp-text);
  background: transparent;
  border: 1px solid var(--scp-border);
  border-radius: 8px;
}

.scp-auth-field input:focus {
  outline: none;
  border-color: var(--scp-primary);
  box-shadow: 0 0 0 3px rgba(20, 50, 107, 0.12);
}

/* "Şifre gücü göstergesi" - PasswordPolicy::isAcceptable() only enforces a
   minimum length server-side; this bar is UI-only encouragement toward a
   stronger password, computed client-side in auth.js. */
.scp-password-strength {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: -8px 0 16px;
}

.scp-password-strength[hidden] {
  display: none;
}

.scp-password-strength__track {
  flex: 1;
  height: 4px;
  background: var(--scp-border);
  border-radius: 999px;
  overflow: hidden;
}

.scp-password-strength__fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: var(--scp-error);
  transition: width 0.2s ease, background 0.2s ease;
}

.scp-password-strength__fill[data-scp-strength="medium"] {
  background: var(--scp-warning);
}

.scp-password-strength__fill[data-scp-strength="strong"] {
  background: var(--scp-success);
}

.scp-password-strength__label {
  flex: none;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--scp-text-muted);
  min-width: 44px;
  text-align: right;
}

.scp-auth-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.875rem;
  color: var(--scp-text-muted);
}

.scp-auth-hint {
  margin: 0 0 16px;
  font-size: 0.875rem;
  color: var(--scp-text-muted);
}

.scp-auth-submit {
  width: 100%;
  padding: 12px 12px;
  font-size: 0.9375rem;
  font-weight: 700;
  font-family: inherit;
  letter-spacing: -0.005em;
  color: #fff;
  background: var(--scp-primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}

.scp-auth-submit:hover {
  background: var(--scp-primary-hover);
  box-shadow: 0 4px 12px rgba(20, 50, 107, 0.3);
}

.scp-auth-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.scp-auth-links {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  font-size: 0.8125rem;
}

.scp-auth-links a {
  color: var(--scp-primary);
  text-decoration: none;
}

.scp-auth-links a:hover {
  text-decoration: underline;
}

/* Bölüm 74: giriş ekranı tanıtım paneli (templates/login.php .scp-auth-intro).
   Geniş ekranda sol sütun, dar ekranda kartın üstünde kısa bir özet. */
.scp-auth-screen--split {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.scp-auth-intro {
  flex: 1 1 380px;
  max-width: 520px;
  color: var(--scp-text);
}

.scp-auth-intro__eyebrow {
  margin: 0 0 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--scp-text-muted);
}

.scp-auth-intro__title {
  margin: 0 0 12px;
  font-size: 2rem;
  font-weight: 800;
  color: var(--scp-primary);
}

.scp-auth-intro__lead {
  margin: 0 0 20px;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--scp-text-muted);
}

.scp-auth-intro__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.scp-auth-intro__features li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--scp-card-bg);
  border: 1px solid var(--scp-border);
  border-radius: var(--scp-radius);
  font-size: 0.875rem;
}

.scp-auth-intro__features strong {
  color: var(--scp-text);
}

.scp-auth-intro__features span {
  color: var(--scp-text-muted);
  line-height: 1.5;
}

.scp-auth-intro__note {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--scp-text-muted);
}

@media (max-width: 860px) {
  .scp-auth-intro {
    max-width: 480px;
    text-align: center;
  }

  .scp-auth-intro__features {
    display: none;
  }
}

/* Bölüm 74: giriş ekranı yardımı (inc/parent-help.php). */
.scp-auth-help {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid rgba(15, 23, 42, 0.1);
    font-size: 0.88rem;
    line-height: 1.5;
}

.scp-auth-help summary {
    cursor: pointer;
    font-weight: 600;
}

.scp-auth-help ul {
    margin: 10px 0;
    padding-left: 18px;
}

.scp-auth-help li { margin-bottom: 6px; }
.scp-auth-help__title { margin: 12px 0 4px; font-weight: 600; }

.scp-auth-help__branches {
    list-style: none;
    padding-left: 0 !important;
}

.scp-auth-help__branches li {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.scp-auth-help__legal {
    margin: 12px 0 0;
    font-size: 0.8rem;
    opacity: 0.8;
}