.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 76px;
  border-bottom: 1px solid rgba(216, 229, 219, 0.9);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 4px 20px rgba(18, 60, 43, 0.05);
  backdrop-filter: blur(16px);
}

.site-header-inner {
  width: min(1180px, calc(100% - 48px));
  height: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
  color: var(--ink);
  font-weight: 700;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 11px;
  color: #fff;
  background: var(--green-800);
  font-family: Fraunces, Georgia, serif;
  font-size: 1.35rem;
}

.brand-name {
  font-size: 1rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.main-nav a {
  position: relative;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--green-700);
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--green-800);
}

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-cta {
  flex: 0 0 auto;
  min-height: 42px;
  padding: 11px 18px;
  font-size: 0.86rem;
}

.inner-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 0%, rgba(226, 242, 229, 0.9), transparent 30rem),
    var(--page-bg);
}

.inner-page .header {
  width: 100%;
  margin: 0;
  padding: 76px 24px 58px;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  text-align: left;
}

.inner-page .header-content {
  width: min(880px, 100%);
  margin: 0 auto;
}

.inner-page .header h1 {
  max-width: 760px;
  margin-bottom: 14px;
  font-size: clamp(2.7rem, 6vw, 4.8rem);
}

.inner-page .header p:last-child {
  max-width: 620px;
  font-size: 1.05rem;
}

.inner-page .page-card {
  width: min(880px, calc(100% - 48px));
  margin: 0 auto 80px;
  padding: 0;
  display: grid;
  gap: 14px;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.inner-page .settings-card {
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-small);
}

.inner-page .settings-card h2 {
  margin-bottom: 10px;
  font-family: Fraunces, Georgia, serif;
  font-size: 1.55rem;
}

.inner-page .settings-card p,
.inner-page .settings-card li {
  color: var(--muted);
}

.inner-page .settings-card p:last-child {
  margin-bottom: 0;
}

.inner-page .back-link-row {
  margin-bottom: 12px;
}

.inner-page .btn {
  min-height: 44px;
}

.page-footer {
  width: min(880px, calc(100% - 48px));
  margin: -40px auto 0;
  padding: 24px 0 36px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.page-footer nav {
  display: flex;
  gap: 20px;
}

.page-footer a:hover {
  color: var(--green-800);
}

.login-body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 0%, rgba(226, 242, 229, 0.9), transparent 30rem),
    var(--page-bg);
}

.login-layout {
  min-height: calc(100vh - 76px);
  display: grid;
  place-items: center;
  padding: 56px 24px;
}

.login-card {
  width: min(480px, 100%);
  padding: 34px;
}

.login-card .login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.login-card .login-brand h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
}

.login-card .notice-box {
  margin: 0 0 22px;
}

.login-card .btn {
  margin-top: 10px;
}

.login-card .login-link {
  color: var(--green-800);
  font-weight: 700;
}

@media (max-width: 700px) {
  .site-header {
    position: static;
    height: auto;
  }

  .site-header-inner {
    width: min(100% - 32px, 1180px);
    min-height: 72px;
    flex-wrap: wrap;
    gap: 14px 20px;
    padding: 12px 0;
  }

  .main-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 4px;
  }

  .main-nav a {
    font-size: 0.78rem;
  }

  .header-cta {
    margin-left: auto;
  }

  .inner-page .header {
    padding: 56px 16px 38px;
  }

  .inner-page .page-card {
    width: min(100% - 32px, 880px);
  }

  .inner-page .settings-card {
    padding: 24px;
  }

  .page-footer {
    width: min(100% - 32px, 880px);
    align-items: flex-start;
    flex-direction: column;
  }

  .login-layout {
    padding: 32px 16px;
  }

  .login-card {
    padding: 26px 22px;
  }
}