/* Sign-in landing. Colour tokens come from tokens.css. */
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dim); }
a:focus-visible,
.provider:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px 28px;
}

.brand { text-align: center; margin-bottom: 28px; }
.logo {
  display: inline-block;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.03em;
  color: var(--text);
  text-decoration: none;
}
.logo:hover { color: var(--text); }

.card {
  width: min(440px, 100%);
  background: var(--surface);
  border: 1px solid var(--border-md);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px var(--shadow);
  padding: 28px 24px 24px;
}

h1 {
  margin: 0 0 8px;
  font-size: 24px;
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.2;
}
.lead {
  margin: 0 0 20px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.55;
}

.banner {
  margin: 0 0 16px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-md);
  background: var(--surface2);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
}
.banner[data-tone="error"] {
  border-color: color-mix(in srgb, var(--blocking) 45%, var(--border-md));
  color: #f3c4c4;
}
.banner[data-tone="notice"] {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border-md));
}

.providers {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.provider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 8px;
  border: 1px solid var(--border-md);
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
}
.provider .mark { width: 18px; height: 18px; flex: 0 0 18px; }
.provider:hover {
  color: var(--text);
  background: var(--surface2);
  border-color: var(--accent);
}
.provider:active { background: var(--accent-glow); }
.provider[aria-disabled="true"],
.provider:disabled,
button.provider:disabled {
  opacity: 0.45;
  pointer-events: none;
  cursor: not-allowed;
}

.email-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0 0 12px;
}
.email-form label {
  font-size: 13px;
  font-weight: 600;
}
.email-form input {
  min-height: 44px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--border-md);
  background: var(--surface2);
  color: var(--text);
  font: inherit;
}
.email-form.resend { margin-top: 4px; }
.back {
  margin: 12px 0 0;
  font-size: 14px;
}

.legal {
  margin: 20px 0 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
}

.trust {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.trust h2 {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.trust ul {
  margin: 0;
  padding-left: 1.15em;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
}
.trust li { margin: 0 0 6px; }

.site-footer {
  width: min(440px, 100%);
  margin-top: 28px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.6;
}
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 14px;
  margin-bottom: 8px;
}
.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--text); }

@media (max-width: 768px) {
  .page { padding: 32px 18px 24px; }
}

@media (max-width: 480px) {
  .page { padding: 24px 16px 20px; }
  .card { padding: 22px 16px 20px; }
  h1 { font-size: 22px; }
  .provider { font-size: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .provider { transition: none; }
}