* {
  box-sizing: border-box;
}
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font:
    16px/1.6 Inter,
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  -webkit-font-smoothing: antialiased;
}
button,
input {
  font: inherit;
}
button {
  cursor: pointer;
}
a {
  color: inherit;
}
button:focus-visible,
input:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
}
.simulation-banner {
  text-align: center;
  padding: 10px 15px;
  color: var(--muted);
  background: var(--subtle);
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
}
.simulation-banner span {
  padding: 0 12px;
  opacity: 0.55;
}
header,
footer {
  max-width: 1240px;
  padding: 30px 48px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.65rem;
  font-weight: 750;
  letter-spacing: -1px;
}
.brand-light {
  font-weight: 450;
}
.brand-period {
  color: var(--good);
}
.theme-control > span {
  font-size: 0.8125rem;
}
main {
  max-width: 1120px;
  margin: auto;
  padding: 55px 48px 85px;
  min-height: calc(100svh - 226px);
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 90px;
}
.eyebrow {
  margin: 0 0 17px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.14em;
}
h1 {
  margin: 0;
  font-size: clamp(2.8rem, 4.5vw, 4.1rem);
  font-weight: 480;
  line-height: 1.12;
  letter-spacing: -0.05em;
}
.intro {
  max-width: 350px;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.9;
}
.preview-note {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 58px;
  padding-top: 27px;
  border-top: 1px solid var(--border);
  max-width: 350px;
}
.note-mark {
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 6px 9px;
  font-size: 0.75rem;
  color: var(--good);
}
.preview-note strong {
  font-weight: 550;
  font-size: 0.875rem;
}
.preview-note p {
  font-size: 0.8125rem;
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.8;
}
.login-card {
  padding: 38px;
  border: 1px solid var(--border);
  border-radius: 23px;
  background: var(--paper);
  box-shadow: 0 18px 60px var(--shadow);
}
.lock-mark {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 15px;
  margin-bottom: 28px;
  color: var(--good);
  background: var(--good-bg);
}
.login-card .eyebrow {
  font-size: 0.6875rem;
  margin-bottom: 10px;
}
h2 {
  margin: 0;
  font-weight: 520;
  font-size: 1.9rem;
  line-height: 1.25;
  letter-spacing: -0.035em;
}
.card-intro {
  margin: 14px 0 28px;
  color: var(--muted);
  font-size: 0.875rem;
}
form > label {
  display: block;
  font-size: 0.875rem;
  font-weight: 550;
  margin-bottom: 9px;
}
.password-field {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  background: var(--raised);
  border-radius: 10px;
}
.password-field:focus-within {
  border-color: var(--good-border);
}
.password-field input {
  width: 100%;
  min-width: 0;
  color: var(--text);
  background: transparent;
  border: 0;
  padding: 14px;
  border-radius: 10px;
  min-height: 53px;
}
.password-field button {
  border: 0;
  color: var(--muted);
  background: transparent;
  padding: 14px;
  min-height: 44px;
  font-size: 0.8125rem;
}
.form-message {
  color: var(--warn);
  font-size: 0.8125rem;
  line-height: 1.7;
  margin: 10px 0;
  min-height: 12px;
}
.submit-button {
  width: 100%;
  min-height: 52px;
  border: 0;
  border-radius: 10px;
  color: var(--button-text);
  background: var(--button);
  font-size: 0.875rem;
  font-weight: 650;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}
.submit-button:hover {
  background: var(--button-hover);
}
.submit-button:disabled {
  opacity: 0.6;
  cursor: wait;
}
.login-footnote {
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.9;
  margin: 24px 0 0;
}
footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.75rem;
}
footer > span:first-child {
  font-size: 0.875rem;
  font-weight: 650;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
@media (max-width: 900px) {
  main {
    gap: 40px;
    padding: 35px 30px 60px;
  }
  header,
  footer {
    padding: 25px 30px;
  }
  .login-card {
    padding: 28px;
  }
}
@media (max-width: 650px) {
  header {
    padding: 20px;
  }
  .theme-control > span {
    display: none;
  }
  main {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 25px 20px 40px;
    min-height: auto;
  }
  .welcome h1 {
    font-size: 2.65rem;
  }
  .welcome .eyebrow {
    font-size: 0.6875rem;
  }
  .intro {
    margin-top: 16px;
    font-size: 0.9375rem;
  }
  .preview-note {
    display: none;
  }
  .login-card {
    padding: 28px;
  }
  .lock-mark {
    margin-bottom: 21px;
  }
  footer {
    padding: 23px 20px;
    font-size: 0.6875rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}