.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  background: color-mix(in srgb, var(--page) 92%, transparent);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(calc(100% - 40px), var(--max-width));
  min-height: 78px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto minmax(260px, 560px) auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand-mark {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: 11px;
  background: var(--ink);
  transform: rotate(45deg);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 6px 15px;
  border-radius: 999px;
  background: var(--page);
  box-shadow: 0 0 0 4px var(--ink);
}

.brand-mark::after {
  transform: rotate(90deg);
}

.brand-copy strong {
  display: block;
  font-family: var(--display-font);
  font-size: 17px;
  line-height: 1.1;
  letter-spacing: -.02em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 11px;
}

.global-search {
  position: relative;
}

.global-search svg {
  position: absolute;
  top: 50%;
  left: 16px;
  width: 18px;
  height: 18px;
  color: var(--muted);
  transform: translateY(-50%);
  pointer-events: none;
}

.global-search input {
  width: 100%;
  height: 46px;
  padding: 0 48px 0 46px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: var(--surface);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.global-search input::placeholder {
  color: color-mix(in srgb, var(--muted) 82%, transparent);
}

.global-search input:focus {
  border-color: var(--blue);
  outline: none;
  box-shadow: var(--focus);
}

.search-shortcut {
  position: absolute;
  top: 50%;
  right: 12px;
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--muted);
  background: var(--surface-soft);
  font: 600 10px/1.4 Bahnschrift, sans-serif;
  transform: translateY(-50%);
}

.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 30;
  width: 100%;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 96%, transparent);
  box-shadow: 0 18px 50px rgba(24, 49, 58, .18);
  backdrop-filter: blur(18px);
}

.search-results[hidden] {
  display: none;
}

.search-result {
  width: 100%;
  min-height: 52px;
  padding: 9px 11px;
  border: 0;
  border-radius: 11px;
  color: var(--ink);
  background: transparent;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  text-align: left;
  cursor: pointer;
}

.search-result:hover,
.search-result:focus-visible {
  background: var(--surface-soft);
  outline: none;
}

.search-result-name {
  min-width: 0;
}

.search-result-name strong {
  display: block;
  font-family: var(--display-font);
  font-size: 13px;
  line-height: 1.25;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.search-result-alternate {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font: 700 10px/1.2 Bahnschrift, "Microsoft YaHei UI", sans-serif;
  letter-spacing: .025em;
  overflow-wrap: anywhere;
}

.search-result-structure {
  align-self: center;
  padding: 3px 7px;
  border-radius: 999px;
  color: var(--blue-strong);
  background: color-mix(in srgb, var(--blue) 12%, var(--surface));
  font-size: 10px;
  font-weight: 800;
}

.search-result-meta {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 11px;
}

.search-results-empty {
  margin: 0;
  padding: 14px 12px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.theme-toggle,
.submission-trigger {
  min-width: 90px;
  height: 40px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
  font-size: 13px;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease;
}

.theme-toggle:hover,
.submission-trigger:hover {
  background: var(--surface-soft);
  transform: translateY(-1px);
}

.submission-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 104px;
  border-color: color-mix(in srgb, var(--blue) 24%, var(--line));
  border-radius: var(--radius-md);
  color: var(--blue-strong);
  background: color-mix(in srgb, var(--blue) 7%, var(--surface));
  box-shadow: 0 6px 18px rgba(18, 43, 51, .08);
}

.submission-trigger svg {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.submission-trigger[aria-expanded="true"] {
  border-color: color-mix(in srgb, var(--blue) 32%, transparent);
  background: color-mix(in srgb, var(--blue) 13%, var(--surface));
  box-shadow: 0 8px 22px rgba(18, 43, 51, .12);
}

.submission-trigger:hover {
  background: color-mix(in srgb, var(--blue) 11%, var(--surface));
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.submission-control {
  position: relative;
}

.font-select {
  width: 116px;
  height: 40px;
  padding: 0 30px 0 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--ink);
  background: var(--surface);
  font-size: 12px;
  font-weight: 700;
}

.page {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  padding: 34px 0 72px;
}

.site-footer {
  width: min(calc(100% - 40px), var(--max-width));
  margin: -32px auto 0;
  padding: 0 0 30px;
  text-align: right;
}

.privacy-link,
.privacy-back {
  display: inline-block;
  border-radius: 6px;
  color: var(--muted);
  font-size: 12px;
  text-decoration-color: color-mix(in srgb, var(--muted) 52%, transparent);
  text-underline-offset: 3px;
}

.privacy-link:hover,
.privacy-back:hover {
  color: var(--blue-strong);
}

.section-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: var(--blue);
  font: 700 12px/1 Bahnschrift, sans-serif;
  letter-spacing: .08em;
}

.section-label::before {
  content: "";
  width: 24px;
  height: 3px;
  border-radius: 99px;
  background: var(--orange);
}