.welcome-shell {
  max-width: 1200px;
  margin: auto;
  padding: 0 48px;
}
.welcome-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 105px;
  border-bottom: 1px solid var(--line);
}
.welcome-hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 55px;
  min-height: 600px;
  padding: 65px 0 75px;
}
.welcome-copy h1 {
  font-size: 68px;
  line-height: 1.06;
  letter-spacing: -3.2px;
  margin-top: 24px;
}
.welcome-copy h1 em {
  font-family: Georgia, serif;
  font-weight: 400;
  color: var(--accent);
}
.welcome-copy > p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
  margin: 26px 0 30px;
}
.welcome-cta {
  padding: 15px 23px;
}
.welcome-caption {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 11px;
}
.welcome-art {
  position: relative;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border-radius: 120px 120px 8px 8px;
  overflow: hidden;
}
.orbit {
  position: absolute;
  border: 1px solid var(--accent);
  opacity: 0.14;
  width: 410px;
  height: 300px;
  border-radius: 50%;
  transform: rotate(-40deg);
}
.orbit-two {
  transform: rotate(48deg);
  width: 310px;
  height: 420px;
}
.preview-card {
  position: relative;
  z-index: 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 27px 29px;
  width: 85%;
  background: var(--surface);
  box-shadow: 0 15px 35px #282c2609;
  transform: rotate(-4deg);
}
.preview-card .section-top {
  margin-bottom: 25px;
}
.preview-card .eyebrow {
  font-size: 8px;
  margin: 0;
}
.preview-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.preview-clock {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 52px;
  letter-spacing: -3px;
  line-height: 1;
}
.preview-clock span {
  font-size: 29px;
  color: var(--muted);
}
.preview-card > p {
  font-size: 11px;
  color: var(--muted);
  margin-top: 14px;
}
.preview-line {
  height: 3px;
  width: 65%;
  background: var(--accent);
  opacity: 0.5;
  margin-top: 27px;
}
.preview-bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  font-size: 9px;
  color: var(--muted);
}
.art-footnote {
  position: absolute;
  bottom: 25px;
  letter-spacing: 1.4px;
  font-size: 7px;
  color: var(--accent);
}
.welcome-principle {
  border-top: 1px solid var(--line);
  padding: 40px 0 33px;
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 30px;
}
.welcome-principle h2 {
  font-size: 27px;
  line-height: 1.45;
  letter-spacing: -0.9px;
  width: 53%;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding: 25px 0 60px;
}
.feature-number {
  display: block;
  font-size: 10px;
  letter-spacing: 1.7px;
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-grid h3 {
  font-size: 18px;
  letter-spacing: -0.4px;
}
.feature-grid p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 13px;
  line-height: 1.9;
}
.welcome-bottom {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 35px;
  gap: 20px;
}
.welcome-bottom h2 {
  font-size: 22px;
}
.welcome-bottom p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
}
.auth-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  min-height: 620px;
  padding: 70px 0;
}
.auth-intro h1 {
  font-size: 57px;
  letter-spacing: -2.4px;
  line-height: 1.1;
}
.auth-intro p {
  max-width: 340px;
  color: var(--muted);
  margin-top: 25px;
  line-height: 1.9;
}
.auth-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 36px;
}
.auth-card h2 {
  font-size: 23px;
}
.auth-card > p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 13px;
}
.auth-card form {
  margin: 25px 0;
}
.auth-card input {
  margin: 9px 0 18px;
}
.auth-card form .button {
  width: 100%;
}
.auth-card .field-help {
  font-size: 11px;
  margin-bottom: 0;
}
.auth-message {
  max-width: 520px;
  margin: 80px auto 100px;
  text-align: center;
  min-height: 380px;
}
.auth-message h1 {
  font-size: 35px;
}
.auth-message > p {
  font-size: 14px;
  margin: 24px 0;
  color: var(--muted);
}
.auth-message .button {
  margin-top: 10px;
}
.auth-symbol {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 62px;
  height: 62px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--accent);
  background: var(--card);
  font-size: 31px;
  margin-bottom: 26px;
}
.dev-mail-link {
  display: block;
  margin-top: 24px;
}
.mail-preview {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 20px;
  margin: 20px 0;
  background: var(--surface);
}
.mail-preview p {
  font-size: 12px;
  overflow-wrap: anywhere;
}
.account-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 15px 0;
}
.account-row span {
  overflow-wrap: anywhere;
  font-size: 12px;
}
.migration-notice {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--card);
  margin: 25px 0;
}
.migration-notice p {
  font-size: 13px;
  margin: 8px 0 14px;
}
.cloud-save-status {
  font-size: 11px;
  color: var(--muted);
}
@media (max-width: 800px) {
  .welcome-shell {
    padding: 0 25px;
  }
  .welcome-hero {
    gap: 25px;
    min-height: 510px;
  }
  .welcome-copy h1 {
    font-size: 52px;
  }
  .preview-clock {
    font-size: 42px;
  }
  .preview-clock span {
    font-size: 23px;
  }
  .welcome-art {
    min-height: 350px;
  }
  .preview-card {
    padding: 24px 20px;
  }
  .auth-layout {
    gap: 35px;
  }
  .auth-intro h1 {
    font-size: 45px;
  }
  .auth-card {
    padding: 27px;
  }
  .feature-grid {
    gap: 22px;
  }
}
@media (max-width: 600px) {
  .welcome-shell {
    padding: 0 22px;
  }
  .welcome-header {
    height: 85px;
  }
  .welcome-hero {
    grid-template-columns: 1fr;
    padding: 42px 0;
    gap: 38px;
  }
  .welcome-copy h1 {
    font-size: 58px;
  }
  .welcome-copy > p {
    font-size: 14px;
  }
  .desktop-break {
    display: none;
  }
  .welcome-art {
    min-height: 320px;
    max-width: 420px;
    width: 100%;
    margin: auto;
  }
  .preview-clock {
    font-size: 48px;
  }
  .welcome-principle {
    flex-direction: column;
    padding: 32px 0 10px;
    gap: 12px;
  }
  .welcome-principle h2 {
    width: 100%;
    font-size: 25px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 30px 0 40px;
  }
  .feature-number {
    margin-bottom: 10px;
  }
  .feature-grid p {
    margin-top: 8px;
  }
  .welcome-bottom {
    align-items: start;
    flex-direction: column;
    padding: 25px;
  }
  .auth-layout {
    grid-template-columns: 1fr;
    gap: 30px;
    min-height: auto;
    padding: 40px 0;
  }
  .auth-intro h1 {
    font-size: 42px;
  }
  .auth-intro p {
    margin-top: 17px;
    font-size: 13px;
  }
  .auth-card {
    padding: 25px;
  }
  .auth-message {
    margin: 50px auto 60px;
  }
  .auth-message h1 {
    font-size: 30px;
  }
  .welcome-header > .text-link {
    font-size: 11px;
  }
}

.auth-brand-symbol { display: block; margin: 0 auto 26px; }