/*
 * PHSD sign-in page. Layers over core wp-admin/css/login.css; every selector is scoped to
 * body.phsd-login so it outranks core without !important.
 *
 * Colours are the Witzend theme tokens (theme.json / sb-main.css). Contrast (WCAG 2.2 AA):
 *   --phsd-primary  #00747a on white   5.6:1  links
 *   --phsd-deep     #004953 on white  10.1:1  headings, button text and border, focus ring
 *   --phsd-deep on --phsd-hover        5.2:1  button hover
 *   --phsd-magenta  #c90062           decorative stripe and alert border only
 *   --phsd-muted    #4f4f4f on white   8.2:1  secondary text
 *   --phsd-border   #767676 on white   4.5:1  input borders (needs 3:1)
 *   --phsd-primary on --phsd-page      5.1:1  privacy link below the card
 */

body.phsd-login {
  --phsd-primary: #00747a;
  --phsd-deep: #004953;
  --phsd-magenta: #c90062;
  --phsd-hover: #8ac5c6; /* Witzend --secondary-accent-darkened */
  --phsd-text: #2d2d2d; /* Witzend --font-gray */
  --phsd-muted: #4f4f4f;
  --phsd-border: #767676;
  --phsd-surface: #fff;
  --phsd-page: #eef3f3; /* tinted so the white card stands off it */
  --phsd-radius: 12px;
  --phsd-font: UnitPro, sans-serif; /* Witzend body font; weight 100 = regular, 300 = bold */

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 48px 16px;
  box-sizing: border-box;
  background:
    radial-gradient(ellipse 90% 60% at 50% 0%, rgb(0 116 122 / 0.1), transparent 70%),
    var(--phsd-page);
  color: var(--phsd-text);
  font-family: var(--phsd-font);
  font-size: 16px;
  font-weight: 100;
  line-height: 1.5;
}

body.phsd-login #login {
  position: relative;
  width: 100%;
  max-width: 440px;
  margin: 0;
  padding: 40px 40px 32px;
  box-sizing: border-box;
  background: var(--phsd-surface);
  border: 1px solid rgb(0 73 83 / 0.1);
  border-radius: var(--phsd-radius);
  box-shadow:
    0 1px 3px rgb(0 73 83 / 0.08),
    0 16px 48px -12px rgb(0 73 83 / 0.28);
  overflow: hidden;
}

/* Brand stripe in the Witzend secondary pink. Decorative only. */
body.phsd-login #login::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  background: var(--phsd-magenta);
}

/* Logo. Core hides the link text off-screen and paints the logo as a background image; the
   link's accessible name comes from the login_headertext filter. */
body.phsd-login h1.wp-login-logo {
  margin: 0 0 28px;
}

body.phsd-login h1.wp-login-logo a {
  width: 220px;
  height: 53px;
  margin: 0 auto;
  background-image: var(--phsd-logo, none);
  background-size: contain;
  background-position: center;
  border-radius: 4px;
}

body.phsd-login h1.wp-login-logo a:focus-visible {
  box-shadow: none;
  outline: 3px solid var(--phsd-deep);
  outline-offset: 4px;
}

/* ---- Panel ---------------------------------------------------------- */

body.phsd-login .phsd-login__title {
  margin: 0 0 8px;
  color: var(--phsd-deep);
  font-family: var(--phsd-font);
  font-size: 1.75rem;
  font-weight: 300;
  line-height: 1.2;
  text-align: center;
}

body.phsd-login .phsd-login__intro {
  margin: 0 0 24px;
  color: var(--phsd-muted);
  text-align: center;
}

body.phsd-login .phsd-login__sso {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
  min-height: 52px;
  padding: 10px 20px;
  box-sizing: border-box;
  /* Matches Witzend's .mht-button--outline-cta. */
  border: 2px solid var(--phsd-deep);
  border-radius: 25px;
  background: transparent;
  color: var(--phsd-deep);
  font-size: 1.0625rem;
  font-weight: 300;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: background-color 0.15s ease;
}

body.phsd-login .phsd-login__sso:hover {
  background: var(--phsd-hover);
  color: var(--phsd-deep);
}

body.phsd-login .phsd-login__sso:focus-visible {
  box-shadow: none;
  color: var(--phsd-deep);
  outline: 3px solid var(--phsd-deep);
  outline-offset: 3px;
}

body.phsd-login .phsd-login__sso:active {
  background: var(--phsd-hover);
}

/* Microsoft's logo keeps its own colours, per Microsoft's branding guidance. */
body.phsd-login .phsd-login__ms-logo {
  display: inline-flex;
  flex: none;
}

body.phsd-login .phsd-login__ms-logo svg {
  display: block;
}

body.phsd-login .phsd-login__hint {
  margin: 12px 0 0;
  color: var(--phsd-muted);
  font-size: 0.875rem;
  text-align: center;
}

body.phsd-login .phsd-login__help {
  margin: 24px 0 0;
  color: var(--phsd-muted);
  font-size: 0.9375rem;
  text-align: center;
}

body.phsd-login .phsd-login__footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid #e3e3e3;
  font-size: 0.875rem;
}

body.phsd-login .phsd-login__footer p {
  margin: 0;
  color: var(--phsd-muted);
}

/* ---- Alerts: WPO365 sign-in errors, core notices and login errors ------ */

body.phsd-login .phsd-login__alert,
body.phsd-login #login_error,
body.phsd-login .message,
body.phsd-login .notice {
  margin: 0 0 20px;
  padding: 12px 16px;
  border: 0;
  border-left: 4px solid var(--phsd-primary);
  border-radius: 6px;
  background: #eef8f8;
  box-shadow: none;
  color: var(--phsd-text);
  font-size: 0.9375rem;
}

body.phsd-login .phsd-login__alert,
body.phsd-login #login_error,
body.phsd-login .notice-error {
  border-left-color: var(--phsd-magenta);
  background: #fdf0f5;
}

/* Core's notices (signed out, session expired), moved to sit under the title. */
body.phsd-login .phsd-login__notice {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 16px 0 20px;
  padding: 12px 16px;
  border-left: 4px solid var(--phsd-primary);
  border-radius: 6px;
  background: #eef8f8;
  color: var(--phsd-text);
  font-size: 0.9375rem;
}

/* Check mark, drawn in CSS so it needs no asset. Decorative only. */
body.phsd-login .phsd-login__notice::before {
  content: "";
  flex: none;
  width: 6px;
  height: 11px;
  margin: 3px 4px 0 3px;
  border: solid var(--phsd-primary);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

body.phsd-login .phsd-login__notice p {
  margin: 0;
}

body.phsd-login .phsd-login__notice p + p {
  margin-top: 4px;
}

/* WPO365's messages arrive as <p class="message"> inside our alert; flatten them. */
body.phsd-login .phsd-login__alert .message {
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
}

body.phsd-login .phsd-login__alert p,
body.phsd-login .message p,
body.phsd-login .notice p {
  margin: 0;
  font-size: inherit;
  line-height: 1.5;
}

body.phsd-login .phsd-login__alert-title {
  margin-bottom: 4px !important;
  font-weight: 300;
}

/* ---- Links ------------------------------------------------------------ */

body.phsd-login #login a:not(.phsd-login__sso) {
  color: var(--phsd-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

body.phsd-login #login a:not(.phsd-login__sso):hover {
  color: var(--phsd-deep);
  text-decoration-thickness: 2px;
}

body.phsd-login #login a:not(.phsd-login__sso):focus-visible {
  box-shadow: none;
  color: var(--phsd-deep);
  outline: 3px solid var(--phsd-deep);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Sits below the card. */
body.phsd-login .privacy-policy-page-link {
  margin: 24px 0 0;
  font-size: 0.875rem;
}

body.phsd-login .privacy-policy-page-link a {
  color: var(--phsd-primary);
}

body.phsd-login .privacy-policy-page-link a:focus-visible {
  box-shadow: none;
  outline: 3px solid var(--phsd-deep);
  outline-offset: 2px;
}

/* ---- Visibility by mode --------------------------------------------- */

/* SSO mode: the password form and its links are hidden. The server-side authenticate filter
   is the real control; this only keeps staff from reaching for a password they don't have. */
body.phsd-login--sso #loginform,
body.phsd-login--sso #nav {
  display: none;
}

/* Our panel carries the home link and the Microsoft button, so core's and WPO365's copies go. */
body.phsd-login #backtoblog,
body.phsd-login #wpo365OpenIdRedirect,
body.phsd-login .language-switcher {
  display: none;
}

body.phsd-login .phsd-login__local-title {
  margin: 32px 0 4px;
  padding-top: 24px;
  border-top: 1px solid #e3e3e3;
  color: var(--phsd-deep);
  font-family: var(--phsd-font);
  font-size: 1.125rem;
  font-weight: 300;
}

body.phsd-login .phsd-login__local-intro {
  margin: 0 0 16px;
  color: var(--phsd-muted);
  font-size: 0.875rem;
}

/* ---- Core forms: break-glass sign-in, lost/reset password ------------- */

body.phsd-login #login form {
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  box-shadow: none;
  overflow: visible;
}

body.phsd-login #login form p {
  margin-bottom: 16px;
}

body.phsd-login #login label {
  margin-bottom: 4px;
  color: var(--phsd-text);
  font-size: 0.9375rem;
  font-weight: 300;
}

body.phsd-login #login input[type="text"],
body.phsd-login #login input[type="email"],
body.phsd-login #login input[type="password"] {
  min-height: 44px;
  margin: 0;
  padding: 8px 12px;
  border: 1px solid var(--phsd-border);
  border-radius: 6px;
  box-shadow: none;
  color: var(--phsd-text);
  font-size: 1rem;
}

body.phsd-login #login input[type="text"]:focus,
body.phsd-login #login input[type="email"]:focus,
body.phsd-login #login input[type="password"]:focus {
  border-color: var(--phsd-deep);
  box-shadow: none;
  outline: 3px solid var(--phsd-deep);
  outline-offset: 1px;
}

/* Show/hide password toggle sits inside the field. */
body.phsd-login #login .wp-pwd .button.wp-hide-pw {
  min-height: 44px;
  color: var(--phsd-primary);
}

body.phsd-login #login .button-primary {
  float: none;
  width: 100%;
  min-height: 44px;
  margin-top: 8px;
  border: 2px solid transparent;
  border-radius: 8px;
  background: var(--phsd-deep);
  color: #fff;
  font-size: 1rem;
  font-weight: 300;
}

body.phsd-login #login .button-primary:hover {
  background: #00363e;
}

body.phsd-login #login .button-primary:focus-visible {
  box-shadow: none;
  outline: 3px solid var(--phsd-deep);
  outline-offset: 3px;
}

body.phsd-login #nav {
  margin: 16px 0 0;
  padding: 0;
  font-size: 0.875rem;
  text-align: center;
}

@media (max-width: 480px) {
  body.phsd-login {
    justify-content: flex-start;
    padding: 24px 12px;
  }

  body.phsd-login #login {
    padding: 32px 20px 24px;
  }

  body.phsd-login .phsd-login__title {
    font-size: 1.5rem;
  }

  body.phsd-login .phsd-login__footer {
    flex-direction: column;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.phsd-login .phsd-login__sso {
    transition: none;
  }
}