/* Shared top bar — landing page + app (base.html) */
.site-chrome {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 24px;
  height: 84px;
  padding: 0 max(24px, calc((100% - 1152px) / 2));
  background: rgba(13, 11, 22, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-standard);
}

.site-chrome--landing {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  background: rgba(13, 11, 22, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: transparent;
  box-shadow: none;
  transition: background 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-chrome--landing.is-scrolled {
  background: rgba(13, 11, 22, 0.82);
  border-bottom-color: var(--border-standard);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28);
}

.site-chrome__brand {
  display: flex;
  align-items: center;
  gap: 9px;
  flex: none;
  text-decoration: none;
}

.site-chrome__mark {
  display: block;
  flex: none;
  width: 48px;
  height: 49px;
  filter: drop-shadow(0 4px 14px rgba(124, 58, 237, 0.45));
}

.site-chrome__wordmark {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-family: var(--font-display);
  color: var(--text-primary, var(--app-text));
}

.site-chrome__wordmark-accent {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.site-chrome__nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: 8px;
}

.site-chrome__nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted, var(--app-muted));
  text-decoration: none;
  transition: color 0.2s;
}

.site-chrome__nav-link:hover,
.site-chrome__nav-link--active {
  color: var(--text-primary, var(--app-text));
}

.site-chrome__nav-link--button {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font: inherit;
}

.site-chrome__spacer {
  flex: 1;
}

.site-chrome__actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: none;
}

.site-chrome__logout-form {
  display: inline;
  margin: 0;
}

.site-chrome__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--text-primary, #fff);
  background: var(--gradient-cta);
  text-decoration: none;
  box-shadow: var(--glow-cta, 0 0 24px rgba(192, 38, 211, 0.35));
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: filter 0.2s, box-shadow 0.2s;
}

.site-chrome__cta:hover {
  filter: brightness(1.05);
  box-shadow: var(--glow-cta-hover, 0 0 36px rgba(192, 38, 211, 0.5));
}

/* Authenticated account control */
.site-chrome__account {
  position: relative;
  flex: none;
}

.site-chrome__account-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--border-standard, rgba(255, 255, 255, 0.1));
  background: var(--gradient-cta);
  color: var(--text-primary, #fff);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--glow-cta, 0 0 18px rgba(192, 38, 211, 0.3));
  transition: filter 0.2s, box-shadow 0.2s;
}

.site-chrome__account-btn:hover {
  filter: brightness(1.06);
  box-shadow: var(--glow-cta-hover, 0 0 30px rgba(192, 38, 211, 0.5));
}

.site-chrome__account-btn:focus-visible {
  outline: 2px solid var(--brand-purple, #7C3AED);
  outline-offset: 2px;
}

.site-chrome__account-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 200;
  min-width: 220px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: rgba(13, 11, 22, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-standard, rgba(255, 255, 255, 0.1));
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.site-chrome__account-panel[hidden] {
  display: none;
}

.site-chrome__account-email {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary, var(--app-text));
  word-break: break-all;
}

.site-chrome__account-form {
  margin: 0;
}

.site-chrome__account-logout {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 9px 14px;
  border-radius: 8px;
  border: 1px solid var(--border-standard, rgba(255, 255, 255, 0.1));
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary, var(--app-text));
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.site-chrome__account-logout:hover {
  border-color: var(--brand-purple, #7C3AED);
  background: rgba(147, 51, 234, 0.14);
}

.site-chrome__menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border-standard, rgba(255, 255, 255, 0.1));
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary, #fff);
  cursor: pointer;
}

.site-chrome__menu-btn:focus-visible {
  outline: 2px solid var(--brand-purple, #7C3AED);
  outline-offset: 2px;
}

.site-chrome__menu-btn svg {
  display: block;
}

.site-chrome__menu-btn .icon-close {
  display: none;
}

.site-chrome--landing.is-nav-open .site-chrome__menu-btn .icon-open {
  display: none;
}

.site-chrome--landing.is-nav-open .site-chrome__menu-btn .icon-close {
  display: block;
}

/* Centered layout: brand left, nav centered, actions right (all pages) */
@media (min-width: 721px) {
  .site-chrome {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
  }
  .site-chrome__brand {
    justify-self: start;
  }
  .site-chrome__nav {
    justify-self: center;
    margin-left: 0;
  }
  .site-chrome__spacer {
    display: none;
  }
  .site-chrome__actions {
    justify-self: end;
  }
  .site-chrome--landing .site-chrome__nav {
    gap: 18px;
  }
  .site-chrome--landing .site-chrome__nav-link {
    font-size: 15px;
    font-weight: 500;
  }
  .site-chrome--landing .site-chrome__cta {
    padding: 8px 14px;
    font-size: 15px;
  }
}

@media (max-width: 720px) {
  .site-chrome {
    flex-wrap: wrap;
    height: auto;
    min-height: 56px;
    padding: 0 12px;
    gap: 10px;
  }
  .site-chrome__brand {
    min-height: 56px;
  }
  .site-chrome__mark {
    width: 32px;
    height: 33px;
  }
  .site-chrome__wordmark {
    font-size: 18px;
  }
  .site-chrome__nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    flex-wrap: wrap;
    gap: 12px 16px;
  }
  .site-chrome__spacer {
    display: none;
  }

  /* Landing: compact Android bar + hamburger (app chrome unchanged) */
  .site-chrome--landing {
    flex-wrap: nowrap;
    height: 56px;
    min-height: 56px;
    padding: 0 12px;
    gap: 10px;
  }
  .site-chrome--landing .site-chrome__mark {
    width: 32px;
    height: 33px;
  }
  .site-chrome--landing .site-chrome__wordmark {
    font-size: 18px;
  }
  .site-chrome--landing .site-chrome__menu-btn {
    display: inline-flex;
    order: 3;
  }
  .site-chrome--landing .site-chrome__actions {
    order: 2;
    gap: 10px;
    margin-left: auto;
  }
  .site-chrome--landing .site-chrome__actions .site-chrome__nav-link {
    display: none;
  }
  .site-chrome--landing .site-chrome__cta {
    padding: 8px 14px;
    font-size: 14px;
  }
  .site-chrome--landing .site-chrome__nav {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    order: unset;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 12px 14px;
    background: rgba(13, 11, 22, 0.96);
    border-bottom: 1px solid var(--border-standard, rgba(255, 255, 255, 0.1));
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  }
  .site-chrome--landing.is-nav-open .site-chrome__nav {
    display: flex;
  }
  .site-chrome--landing .site-chrome__nav-link {
    font-size: 16px;
    padding: 12px 10px;
    border-radius: 8px;
  }
  .site-chrome--landing .site-chrome__nav-link:hover,
  .site-chrome--landing .site-chrome__nav-link--active {
    background: rgba(147, 51, 234, 0.12);
  }
}