/* Auth login — Dark: UptimeRobot dashboard palette; Light: Certthor navy */
:root {
  /* UR dashboard dark (https://dashboard.uptimerobot.com) */
  --brand: #3bd671;
  --brand-btn: #3bd671;
  --danger: #f70000;
  --ok: #3bd671;
  --hero-bg: #131b25;
  --card-bg: #1c2434;
  --card-border: #2d3340;
  --field-bg: #131b25;
  --field-border: #2d3340;
  --field-addon: #1c2434;
  --text: #e6eaeb;
  --muted: #e6eaeb;
  --white: #ffffff;
  --radius: 0;
  --on-brand: #131b25;
}

body.skin-light {
  --brand: #15224e;
  --brand-btn: #15224e;
  --hero-bg: #15224e;
  --card-bg: #ffffff;
  --card-border: #15224e;
  --field-bg: #ffffff;
  --field-border: #15224e;
  --field-addon: #ffffff;
  --text: #15224e;
  --muted: #15224e;
  --on-brand: #ffffff;
}

*, *::before, *::after { box-sizing: border-box; border-radius: 0 !important; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--hero-bg);
  line-height: 1.45;
}
a { color: var(--muted); text-decoration: none; }
a:hover { color: var(--text); }

.hero-section {
  min-height: 100dvh;
  background: var(--hero-bg);
  display: flex;
  align-items: center;
  padding: 3rem 1rem;
}
.container { width: min(480px, 100%); margin: 0 auto; }

.hero-logo { margin: 0 auto 1rem; width: 100px; height: 100px; }
.hero-logo img {
  width: 100px; height: 100px; object-fit: contain;
  display: block; margin: 0 auto;
}
.hero-title {
  margin: 0 0 0.25rem;
  text-align: center;
  color: var(--text);
  font-size: 1.35rem;
  font-weight: 800;
}
body.skin-light .hero-title { color: #ffffff; }
.hero-subtitle {
  margin: 0 0 0.85rem;
  text-align: center;
  color: var(--text);
  font-size: 0.85rem;
}
body.skin-light .hero-subtitle { color: #ffffff; }

.login-card {
  background: var(--card-bg);
  box-shadow: none;
  border: 1px solid var(--card-border);
  overflow: hidden;
}
.card-body { padding: 2rem 2rem 1.5rem; }
.card-title {
  margin: 0 0 0.85rem;
  text-align: center;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text);
}

.alert {
  display: none;
  gap: 0.55rem;
  align-items: flex-start;
  font-size: 0.82rem;
  padding: 0.65rem 0.75rem;
  margin-bottom: 1rem;
  background: #82181a;
  border: 1px solid #df484a;
  color: #ff6568;
}
.alert.is-visible { display: flex; }
body.skin-light .alert {
  background: #ffe8e8;
  border-color: #f70000;
  color: var(--danger);
}

.mb-3 { margin-bottom: 1rem; }
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}
.input-group { display: flex; align-items: stretch; }
.input-group-text {
  width: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--field-addon);
  border: 1px solid var(--field-border);
  border-right: 0;
  color: var(--text);
  font-size: 0.85rem;
}
body.skin-light .input-group-text {
  background: #ffffff;
  color: var(--brand);
}
.form-control {
  flex: 1;
  min-height: 42px;
  border: 1px solid var(--field-border);
  background: var(--field-bg);
  color: var(--text);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}
.btn-eye {
  min-width: 42px;
  border: 1px solid var(--field-border);
  border-left: 0;
  background: var(--field-addon);
  color: var(--text);
  cursor: pointer;
}
.form-control:focus, .btn-eye:focus {
  outline: none;
  border-color: var(--brand);
}
body.skin-light .form-control:focus { border-color: var(--brand); }

.btn-login {
  width: 100%;
  min-height: 44px;
  margin-top: 0.25rem;
  border: none;
  background: var(--brand-btn);
  color: var(--on-brand);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}
.btn-login:hover { filter: brightness(1.06); }
.login-forgot-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.login-hr {
  border: 0;
  border-top: 1px solid var(--card-border);
  margin: 1.1rem 0;
}
body.skin-light .login-hr { border-top-color: #15224e; }

.login-links { text-align: center; font-size: 0.82rem; }
.login-forgot-link { color: var(--muted); }
body.skin-light .login-forgot-link { color: var(--brand); }
.login-register-prompt { color: var(--muted); }
.login-register-link { color: var(--brand); font-weight: 700; margin-left: 0.25rem; }
body.skin-light .login-register-link { color: var(--brand); }

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--text);
  font-size: 0.75rem;
}
body.skin-light .auth-footer { color: #ffffff; }
.auth-footer a { color: inherit; }