/* Hosted Mainframe login — token-aligned stage around GIS renderButton. */

html,
body.login-page {
  height: 100%;
  margin: 0;
  padding: 0;
}

body.login-page {
  position: relative;
  min-height: 100dvh;
  overflow-x: hidden;
  overflow-y: auto;
  display: grid;
  place-items: center;
  box-sizing: border-box;
  padding:max(clamp(1.25rem,4vw,2.5rem),env(safe-area-inset-top,0px))
    max(clamp(1.25rem,4vw,2.5rem),env(safe-area-inset-right,0px))
    max(clamp(1.25rem,4vw,2.5rem),env(safe-area-inset-bottom,0px))
    max(clamp(1.25rem,4vw,2.5rem),env(safe-area-inset-left,0px));
  color: var(--ui-text);
  background: var(--ui-bg);
  font: 15px/1.5 -apple-system, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.login-atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(
      900px 520px at 50% -8%,
      color-mix(in srgb, var(--ui-accent) 22%, transparent),
      transparent 62%
    ),
    radial-gradient(
      640px 420px at 88% 108%,
      color-mix(in srgb, var(--ui-accent) 8%, transparent),
      transparent 70%
    ),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-color: var(--ui-bg);
  background-size: auto, auto, 24px 24px, 24px 24px;
  animation: login-atmosphere-in 720ms ease-out both;
}

.login-theme-toggle {
  position: fixed;
  top: max(1rem, env(safe-area-inset-top, 0px));
  right: max(1rem, env(safe-area-inset-right, 0px));
  z-index: 3;
  width: 2.25rem;
  height: 2.25rem;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--ui-line);
  border-radius: 0.55rem;
  background: color-mix(in srgb, var(--ui-panel) 88%, transparent);
  color: var(--ui-text-soft);
  cursor: pointer;
  box-shadow: var(--ui-shadow-sm);
  backdrop-filter: blur(8px);
  transition:
    color 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.login-theme-toggle:hover {
  color: var(--ui-text);
  border-color: color-mix(in srgb, var(--ui-accent) 40%, var(--ui-line));
  background: color-mix(in srgb, var(--ui-accent) 8%, var(--ui-panel));
}

.login-theme-toggle:focus-visible {
  outline: 2px solid var(--ui-accent);
  outline-offset: 2px;
}

.login-theme-glyph {
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 50%;
  border: 1.5px solid currentColor;
  background:
    linear-gradient(
      90deg,
      currentColor 0 50%,
      transparent 50% 100%
    );
  box-sizing: border-box;
}

:root[data-theme="light"] .login-theme-glyph {
  background: transparent;
  box-shadow: inset -0.28rem 0 0 currentColor;
}

.login-stage {
  position: relative;
  z-index: 1;
  width: min(100%, 24.5rem);
  animation: login-rise 520ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.login-panel {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: clamp(1.75rem, 4vw, 2.35rem);
  border: 1px solid var(--ui-line);
  border-radius: 1.15rem;
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--ui-accent) 5%, var(--ui-panel)),
      var(--ui-panel) 42%
    );
  box-shadow: var(--ui-shadow);
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  margin: 0 0 1.35rem;
}

.login-mark {
  display: block;
  width: 4rem;
  height: 4rem;
  border-radius: 0.7rem;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--ui-accent) 28%, transparent),
    0 0 2.4rem color-mix(in srgb, var(--ui-accent) 22%, transparent);
  animation: login-mark-glow 2.8s ease-in-out infinite;
}

.login-wordmark {
  margin: 0;
  font-family: -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: clamp(1.85rem, 5vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ui-text);
}

.login-title {
  margin: 0 0 0.55rem;
  text-align: center;
  font-family: -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--ui-text);
}

.login-lede {
  margin: 0 0 1.65rem;
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--ui-text-soft);
}

.login-action {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1.35rem;
}

/*
  Option 1: stock GIS outline button. Do not restyle the mount or descendants —
  Google owns the chrome; we only give it centered breathing room.
*/
.login-google-host {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 2.75rem;
  padding: 0.5rem 0;
}

.login-google-status {
  margin: 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--ui-muted);
}

.login-hint {
  margin: 0;
  text-align: center;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--ui-text-soft);
}

@keyframes login-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes login-atmosphere-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes login-mark-glow {
  0%,
  100% {
    box-shadow:
      0 0 0 1px color-mix(in srgb, var(--ui-accent) 24%, transparent),
      0 0 1.6rem color-mix(in srgb, var(--ui-accent) 16%, transparent);
  }
  50% {
    box-shadow:
      0 0 0 1px color-mix(in srgb, var(--ui-accent) 42%, transparent),
      0 0 2.8rem color-mix(in srgb, var(--ui-accent) 28%, transparent);
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-atmosphere,
  .login-stage,
  .login-mark {
    animation: none;
  }
}

@media (max-width: 420px) {
  body.login-page {
    padding: max(1rem, env(safe-area-inset-top, 0px)) 1rem
      max(1rem, env(safe-area-inset-bottom, 0px));
    align-items: start;
  }

  .login-panel {
    padding: 1rem;
  }

  .login-theme-toggle {
    position: absolute;
    top: max(1.5rem, calc(env(safe-area-inset-top, 0px) + 0.5rem));
    right: 1.5rem;
    width: 44px;
    height: 44px;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  /* Same sun/moon paths as design-system/icons.svg; CSS-only so the
     existing theme click handler and all sign-in code remain untouched. */
  .login-theme-glyph {
    width: 20px;
    height: 20px;
    border: 0;
    border-radius: 0;
    background: currentColor;
    box-shadow: none;
    mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='3.5'/%3E%3Cpath d='M12 2v2M12 20v2M4.9 4.9l1.4 1.4M17.7 17.7l1.4 1.4M2 12h2M20 12h2M4.9 19.1l1.4-1.4M17.7 6.3l1.4-1.4'/%3E%3C/svg%3E") center / contain no-repeat;
  }

  :root[data-theme="light"] .login-theme-glyph {
    background: currentColor;
    box-shadow: none;
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 15.5A8.5 8.5 0 0 1 8.5 4 8.5 8.5 0 1 0 20 15.5Z'/%3E%3C/svg%3E");
  }

  .login-brand {
    flex-direction: row;
    justify-content: flex-start;
    gap: 0.65rem;
    padding-right: 36px;
    margin-bottom: 0.7rem;
    min-height: 40px;
  }

  .login-wordmark { font-size: 1.65rem; }

  .login-lede { margin-bottom: 0.7rem; font-size: 0.85rem; line-height: 1.4; }
  .login-action { gap: 0.35rem; margin-bottom: 0.65rem; }
  .login-page .honest-state { padding: 0.7rem; }
  .login-page .honest-state .status-dot { display: none; }
  .login-page .honest-state h2 { margin-top: 0; }
  .login-page .honest-state p { line-height: 1.4; }
  .login-page .honest-state .quiet-action { margin-top: 0.6rem; }
  .login-page .section-kicker { margin-top: 0.7rem; }

  .login-hint { font-size: 0.75rem; }

  .login-title {
    margin-bottom: 0.35rem;
  }

  .login-mark {
    width: 40px;
    height: 40px;
  }
}