:root {
  color-scheme: light;
  --glas-bg: #ffffff;
  --glas-paper: #ffffff;
  --glas-ink: #2b2b2f;
  --glas-muted: #7a808c;
  --glas-line: #e4e5e8;
  --glas-focus: rgba(17, 17, 17, 0.08);
  --glas-font-body: Georgia, "Times New Roman", serif;
  --glas-font-ui: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body.glas-auth-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--glas-font-body);
  color: var(--glas-ink);
  background: var(--glas-bg);
}

.glas-auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}

.glas-auth-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  color: var(--glas-ink);
  text-decoration: none;
}

.glas-auth-brand-mark {
  width: 42px;
  height: 42px;
  display: block;
  border-radius: 14px;
}

.glas-auth-brand-text {
  font-family: var(--glas-font-ui);
  font-size: 0.98rem;
  letter-spacing: 0.18em;
  font-weight: 800;
}

.glas-auth-panel {
  width: 100%;
  display: flex;
  justify-content: center;
}

.glas-auth-card {
  width: min(100%, 560px);
  border: 1px solid var(--glas-line);
  border-radius: 24px;
  background: var(--glas-paper);
  padding: 28px;
}

.glas-auth-card-head {
  margin-bottom: 24px;
}

.glas-auth-card-kicker {
  margin: 0 0 6px;
  color: var(--glas-muted);
  font-family: var(--glas-font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.glas-auth-card-title {
  margin: 0;
  font-family: var(--glas-font-ui);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
}

.glas-auth-form {
  display: grid;
  gap: 16px;
}

.glas-auth-field {
  display: grid;
  gap: 8px;
}

.glas-auth-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.glas-auth-label {
  font-family: var(--glas-font-ui);
  font-size: 0.95rem;
  font-weight: 700;
}

.glas-auth-input {
  width: 100%;
  min-height: 56px;
  padding: 0 18px;
  border: 1px solid var(--glas-line);
  border-radius: 18px;
  background: #fff;
  color: var(--glas-ink);
  font: inherit;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.glas-auth-input:focus {
  outline: none;
  border-color: #111;
  box-shadow: 0 0 0 4px var(--glas-focus);
}

.glas-auth-field-error {
  color: #7a1d2b;
  font-family: var(--glas-font-ui);
  font-size: 0.9rem;
  line-height: 1.45;
}

.glas-auth-button {
  min-height: 56px;
  border: 0;
  border-radius: 999px;
  padding: 0 24px;
  background: #111;
  color: #fff;
  font-family: var(--glas-font-ui);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 160ms ease, transform 160ms ease;
}

.glas-auth-button:hover {
  background: #222;
  transform: translateY(-1px);
}

.glas-auth-button:focus-visible,
.glas-auth-social-button:focus-visible,
.glas-auth-inline-link:focus-visible,
.glas-auth-check input:focus-visible {
  outline: 2px solid #111;
  outline-offset: 3px;
}

.glas-auth-inline-link {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

.glas-auth-check {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: start;
  gap: 12px;
  color: var(--glas-muted);
  font-family: var(--glas-font-ui);
  font-size: 0.95rem;
  line-height: 1.55;
}

.glas-auth-check input {
  margin-top: 3px;
}

.glas-auth-check-legal {
  padding: 0;
}

.glas-auth-alert {
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1px solid var(--glas-line);
  border-radius: 16px;
  font-family: var(--glas-font-ui);
  font-size: 0.95rem;
  line-height: 1.5;
}

.glas-auth-alert-error {
  color: #7a1d2b;
  background: rgba(177, 36, 58, 0.1);
  border-color: rgba(177, 36, 58, 0.22);
}

.glas-auth-alert-success,
.glas-auth-alert-info {
  color: #0f5132;
  background: rgba(25, 135, 84, 0.08);
  border-color: rgba(25, 135, 84, 0.16);
}

.glas-auth-social {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.glas-auth-social-divider {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  color: var(--glas-muted);
  font-family: var(--glas-font-ui);
  font-size: 0.84rem;
}

.glas-auth-social-divider::before,
.glas-auth-social-divider::after {
  content: "";
  height: 1px;
  background: var(--glas-line);
}

.glas-auth-social-list {
  display: grid;
  gap: 10px;
}

.glas-auth-social-button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--glas-line);
  border-radius: 999px;
  padding: 0 20px;
  color: var(--glas-ink);
  background: #fff;
  font-family: var(--glas-font-ui);
  font-size: 0.98rem;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.glas-auth-social-button:hover {
  border-color: #111;
  background: #fafafa;
  transform: translateY(-1px);
}

.glas-auth-meta {
  margin-top: 18px;
  color: var(--glas-muted);
  font-family: var(--glas-font-ui);
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .glas-auth-shell {
    padding: 16px;
  }

  .glas-auth-card {
    border-radius: 20px;
    padding: 22px 18px;
  }

  .glas-auth-input,
  .glas-auth-button {
    min-height: 50px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}