/* Footer & nav — 与 css/styles.css 中 :root 变量配合 */
.wordwrap {
  white-space: pre-wrap;
  word-wrap: break-word;
}

.footer {
  font-size: 0.8125rem;
  font-family: var(--mwn-font, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif);
  position: fixed;
  left: var(--mwn-pad, 16px);
  right: var(--mwn-pad, 16px);
  bottom: 0;
  z-index: 20;
  padding: 0 0 max(4px, env(safe-area-inset-bottom, 0px)) 0;
  pointer-events: none;
  text-align: left;
}

.footer .navbar {
  pointer-events: auto;
}

@media print {
  .footer {
    display: none;
  }
}

.navbar {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px 4px;
  min-height: 44px;
  padding: 6px 8px;
  margin: 0;
  list-style: none;
  max-width: 100%;
  font-family: var(--mwn-font, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background: rgba(252, 252, 254, 0.94);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--mwn-border, rgba(20, 24, 32, 0.15));
  border-radius: var(--mwn-radius, 12px) var(--mwn-radius, 12px) 0 0;
  box-shadow: 0 -2px 6px rgba(20, 24, 32, 0.07), 0 -8px 28px rgba(20, 24, 32, 0.12);
  isolation: isolate;
}

.navbar a {
  float: none;
  display: inline-block;
  color: var(--mwn-text, #12161c);
  text-align: center;
  padding: 8px 10px;
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.02em;
  border-radius: 6px;
  transition: background 0.12s ease, color 0.12s ease;
}

.navbar a:hover {
  background: var(--mwn-accent-soft, rgba(45, 106, 159, 0.14));
  color: var(--mwn-text, #141820);
}

.navbar a.active {
  color: var(--mwn-accent, #2d6a9f);
  background: var(--mwn-accent-soft, rgba(45, 106, 159, 0.14));
}

.navbar .icon {
  display: none;
  font-size: 1.15rem;
  line-height: 1;
  padding: 6px 10px;
}

#overlay {
  visibility: hidden;
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  text-align: center;
  z-index: 1000;
  font-family: var(--mwn-font, system-ui, sans-serif);
  font-size: 1rem;
}

#overlay div {
  width: min(280px, 92vw);
  margin: 20vh auto 0;
  background-color: var(--mwn-surface, #fcfcfe);
  border: 1px solid var(--mwn-border, rgba(0, 0, 0, 0.1));
  border-radius: 10px;
  box-shadow: var(--mwn-shadow, 0 6px 24px rgba(0, 0, 0, 0.12));
  padding: 1rem 1.1rem;
  text-align: center;
}

body.mwn-body {
  height: 100%;
  margin: 0;
  padding: 0;
}

@media screen and (max-width: 600px) {
  .navbar a:not(:nth-child(2)) {
    display: none;
  }

  .mwn-simple .navbar a,
  .mwn-simple .navbar a:not(:nth-child(2)) {
    display: inline-block !important;
  }

  .mwn-simple .navbar a.icon,
  .mwn-simple .navbar .mwn-menu-toggle {
    display: none !important;
  }

  .navbar a {
    font-size: 0.875rem;
  }

  .navbar a.icon {
    position: relative;
    display: inline-block;
  }
}

@media screen and (max-width: 600px) {
  .navbar.responsive {
    flex-direction: column;
    align-items: stretch;
  }

  .navbar.responsive .icon {
    position: static;
  }

  .navbar.responsive a:not(:first-child) {
    display: block;
    text-align: left;
    margin: 0;
    width: 100%;
  }
}