:root {
  --primary-color: #003366;
  --secondary-color: #0055a5;
  --text-color: #333;
  --white: #fff;
  --background-color: #f7f7f7;
  --link-color: black;
  --header-link-color: black;
  --link-hover-color: #82afff;
  --font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --max-width: 1200px;
  --container-padding: 15px;
  --transition-duration: 0.3s;
  --header-bg: #003366;
  --header-title: #ffffff;
}

.dark-mode {
  --primary-color: #1e1e1e;
  --secondary-color: #64b5f6;
  --text-color: #e0e0e0;
  --background-color: #0b1020;
  --white: #0f172a;
  --link-color: #ffffff;
  --header-link-color: #000000;
  --border-color: #334155;
  --muted-text: #94a3b8;
  --header-bg: #0d47a1;
  --header-title: #ffffff;
}

body {
  font-family: var(--font-family);
  margin: 0;
  padding: 0;
  color: var(--text-color);
  background-color: var(--header-bg);
  line-height: 1.4;
  font-size: 100%;
  transition: background-color 0.5s ease, color 0.5s ease;
}

header,
section,
footer {
  margin: 2rem auto;
  padding: 1.25rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  background-color: var(--white);
  transition: background-color var(--transition-duration),
    color var(--transition-duration);
}

header {
  padding: 20px;
  background-color: var(--header-bg);
  color: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 10px;
}

header a {
  color: var(--link-color);
  background-color: var(--white);
  padding: 5px 10px;
  border-radius: 5px;
  text-decoration: none;
  transition: background-color var(--transition-duration),
    color var(--transition-duration);
}

header a:hover {
  background-color: var(--secondary-color);
  color: #f0f0f0;
}

#theme-toggle {
  font-family: var(--font-family);
  font-size: 16px;
  padding: 10px 20px;
  background-color: var(--white);
  color: var(--primary-color);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  outline: none;
  transition: background-color var(--transition-duration),
    color var(--transition-duration), box-shadow var(--transition-duration);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  white-space: nowrap;
}

#theme-toggle:hover {
  background-color: #00457c;
  color: #ffffff;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.dark-mode #theme-toggle {
  background-color: #1e88e5;
  color: #ffffff;
}

.dark-mode #theme-toggle:hover {
  background-color: #0d47a1;
}

.dark-mode header,
.dark-mode section,
.dark-mode footer,
.dark-mode .code-container {
  background-color: var(--white);
  color: var(--text-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

h1,
h2,
h3,
.sub-info,
a {
  font-family: var(--font-family);
}

h1 {
  margin: 0;
  font-size: 2.25rem;
  font-weight: bold;
  letter-spacing: -1px;
  color: var(--header-title);
}

h2 {
  border-bottom: 4px solid var(--primary-color);
  color: var(--primary-color);
  padding-bottom: 10px;
  margin-top: 5px;
  margin-bottom: 20px;
  font-size: 1.75rem;
  font-weight: bold;
}

h3 {
  color: var(--secondary-color);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 5px;
}

.sub-info {
  margin-top: 7px;
  font-style: italic;
  color: #555;
  font-size: 16px;
}

p {
  font-size: 1.0625rem;
  margin-top: 0px;
}

a {
  font-size: 1.0625rem;
  margin-top: 0px;
  color: var(--link-color);
  text-decoration: none;
}

a:hover {
  color: var(--link-hover-color);
}

footer p {
  margin-top: 10px;
}

footer {
  background-color: var(--primary-color);
  color: #fff;
  text-align: center;
  padding: 1.5rem;
  max-width: var(--max-width);
  margin: 2rem auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  border-radius: 10px;
}

footer a {
  color: #fff;
  text-decoration: underline;
  transition: color 0.3s ease;
}

footer a:hover {
  color: #ffd700;
}

.code-container {
  margin: 2rem auto;
  padding: 1rem 2.5rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  background-color: var(--white);
  max-width: var(--max-width);
}

.dark-mode .code-container {
  background-color: var(--white);
  color: var(--text-color);
}

section {
  background-color: var(--white);
  max-width: var(--max-width);
  padding: var(--container-padding);
  animation: fadeIn 0.8s ease-out;
}

nav {
  display: flex;
  flex-direction: column;
  align-items: center;
}

nav a {
  margin-bottom: 2px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--white);
  border-radius: 8px;
  transition: background-color 0.3s ease, color 0.3s ease;
  box-sizing: border-box;
}

nav a i {
  font-size: 1.2em;
  color: var(--primary-color);
}

.nav i.fa {
  width: 1.25em;
}

nav a:hover {
  background-color: var(--secondary-color);
  color: #fff;
}

nav a:hover i {
  color: #fff;
}

header nav a {
  width: 36px;
  height: 36px;
  margin-bottom: 6px;
  border: none;
  box-shadow: inset 0 0 0 1px transparent;
}

header nav a i {
  font-size: 1.3em;
}

.dark-mode header nav a {
  background-color: var(--white);
  box-shadow: inset 0 0 0 1px var(--border-color);
}

.dark-mode header nav a i {
  color: var(--secondary-color);
}

.dark-mode header nav a:hover {
  background-color: var(--secondary-color);
}

.dark-mode header nav a:hover i {
  color: #fff;
}

h2 i {
  margin-right: 10px;
  transition: transform 0.3s ease, color 0.3s ease;
  vertical-align: middle;
  position: relative;
  top: -1px;
  font-size: 1.2em;
  color: var(--primary-color);
}

h2:hover i {
  transform: scale(1.1);
  color: var(--secondary-color);
}

@keyframes pulse {
  0% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.2);
  }
  50% {
    transform: scale(1.1);
    box-shadow: 0 0 10px 5px rgba(0, 0, 0, 0.2);
  }
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.2);
  }
}

#theme-toggle:active {
  animation: pulse 0.4s ease-out;
}

@keyframes fadeIn {
  0% {
    opacity: 0;
    transform: translateY(20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.dark-mode header,
.dark-mode section,
.dark-mode footer {
  transition: background-color 0.5s ease, color 0.5s ease;
}

.dark-mode h2 {
  color: var(--secondary-color);
  border-bottom: 4px solid var(--secondary-color);
}

.dark-mode h3 {
  color: var(--secondary-color);
}

.dark-mode .sub-info {
  color: var(--muted-text);
}

.dark-mode footer {
  background-color: #0f172a;
  border: 1px solid var(--border-color);
}

.dark-mode footer a {
  color: #c7d2fe;
}

.dark-mode footer a:hover {
  color: #ffffff;
}

.dark-mode input,
.dark-mode select,
.dark-mode textarea {
  background: #0f172a;
  color: #e5e7eb;
  border: 1px solid var(--border-color);
}

.dark-mode header {
  background-color: var(--header-bg);
}

.dark-mode h1 {
  color: var(--header-title);
}

header a,
nav a {
  border: 1px solid transparent;
  box-sizing: border-box;
}

.dark-mode header a,
.dark-mode nav a {
  border-color: var(--border-color);
}

html {
  scrollbar-gutter: stable;
}

#api-demo .grid {
  display: grid;
  grid-template-columns: 1fr 180px 160px;
  gap: 12px;
  align-items: end;
}

#api-demo label {
  display: grid;
  gap: 6px;
  font-weight: 600;
}

#api-demo input,
#api-demo select,
#api-demo button {
  padding: 0.7rem;
  font-size: 1rem;
  border-radius: 10px;
  border: 1px solid #d1d5db;
  background: #fff;
}

#api-demo button {
  border: none;
  color: #fff;
  background: var(--primary-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  cursor: pointer;
  transition: transform 0.05s ease, background-color 0.2s ease,
    box-shadow 0.2s ease;
}

#api-demo button:hover {
  background: var(--secondary-color);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

#api-demo button:active {
  transform: translateY(1px);
}

#api-demo button[disabled] {
  background: #cbd5e1;
  cursor: not-allowed;
  box-shadow: none;
}

#api-demo .result {
  margin-top: 12px;
  background: #0b1020;
  color: #e5e7eb;
  padding: 12px 14px;
  border-radius: 10px;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  border: 1px solid #111827;
}

.dark-mode #api-demo input,
.dark-mode #api-demo select {
  background: var(--white);
  color: var(--text-color);
  border-color: var(--border-color);
}

.dark-mode #api-demo .result {
  background: #0b1020;
  color: #e5e7eb;
  border-color: #1f2937;
}

.dark-mode #api-demo button {
  background: #1e88e5;
  color: #ffffff;
  border: 1px solid #1e88e5;
}

.dark-mode #api-demo button:hover {
  background: #0d47a1;
  border-color: #0d47a1;
}

.dark-mode #api-demo button:active {
  transform: translateY(1px);
}

.dark-mode #api-demo button[disabled] {
  background: #334155;
  border-color: #334155;
  color: #cbd5e1;
  box-shadow: none;
}

section,
footer,
.code-container {
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.dark-mode section,
.dark-mode footer,
.dark-mode .code-container {
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#api-demo .sub-info {
  font-style: normal;
  color: var(--text-color);
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  margin: 0.75rem 0 1.25rem 0;
}

#api-demo input,
#api-demo select {
  background: var(--white);
  color: var(--text-color);
}

#api-demo input::placeholder {
  color: var(--muted-text, #555);
}

.dark-mode #api-demo input::placeholder {
  color: var(--muted-text);
}

#api-demo .summary-panel--dark {
  margin-top: 0.75rem;
  padding: 1rem;
  background: var(--white);
  color: var(--text-color);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  line-height: 1.6;
  font-size: inherit;
}

.dark-mode #api-demo .summary-panel--dark {
  background: #0b1020;
  color: #e5e7eb;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}

#api-demo .kv {
  grid-template-columns: 150px minmax(0, 1fr);
  display: grid;
  gap: 8px 14px;
  font-size: inherit;
}

#api-demo .kv code,
#api-demo .kv .wrap {
  display: inline;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

#api-demo .summary-panel--dark code,
#api-demo #demo-summary code {
  white-space: pre-wrap !important;
  word-break: break-all !important;
  overflow-wrap: anywhere !important;
  line-break: anywhere;
  display: block;
  max-width: 100%;
  background: none;
  color: var(--text-color);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  padding: 2px 0;
  text-wrap: wrap;
}

#api-demo .summary-panel--dark code {
  padding-right: 4px;
  word-spacing: 0.1ch;
}

#api-demo #demo-summary {
  white-space: pre-wrap !important;
  overflow-wrap: anywhere !important;
  word-break: break-word !important;
  line-break: anywhere;
  max-width: 100%;
}

#api-demo,
#api-demo * {
  font-size: inherit;
}

#api-demo code {
  font-size: 0.95em;
}

#api-demo {
  padding: var(--container-padding);
}

.dark-mode #api-demo .sub-info {
  color: var(--muted-text);
}

#api-demo h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  border-bottom: 4px solid var(--primary-color);
  padding-bottom: 10px;
  margin-top: 5px;
  margin-bottom: 20px;
}

.dark-mode #api-demo h2 {
  color: var(--secondary-color);
  border-bottom: 4px solid var(--secondary-color);
}

.dark-mode h2 i {
  color: var(--secondary-color);
}

section h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  border-bottom: 4px solid var(--primary-color);
  padding-bottom: 10px;
  margin-top: 5px;
  margin-bottom: 20px;
  line-height: 1.2;
}

section h2 i {
  font-size: 1.35em;
  color: var(--primary-color);
  transform: translateY(-1px);
}

section h2:hover i {
  color: var(--secondary-color);
}

.dark-mode section h2 {
  color: var(--secondary-color);
  border-bottom: 4px solid var(--secondary-color);
}

.dark-mode section h2 i {
  color: var(--secondary-color);
}

section p,
#api-demo p,
#api-demo .sub-info {
  font-size: 1.0625rem !important;
  line-height: 1.6;
}

@media (max-width: 780px) {
  #api-demo .grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  header,
  section,
  footer,
  .code-container {
    margin: 15px;
    padding: 10px;
    font-size: 0.96em;
  }

  h1,
  h3 {
    font-size: 1.5em;
  }

  header p,
  header a,
  p1,
  a {
    font-size: 1.1em;
  }

  p,
  li,
  .reference-item p {
    font-size: 0.9em;
  }

  .reference-item a {
    font-size: 1em;
  }

  #theme-toggle {
    font-size: 0.9em;
  }

  header nav a {
    width: 32px;
    height: 32px;
  }

  nav a {
    width: 30px;
    height: 30px;
  }

  nav a i {
    font-size: 1em;
    color: var(--primary-color);
  }

  .nav i.fa {
    width: 0.85em;
  }
}

@media (max-width: 480px) {
  header,
  section,
  footer,
  .code-container {
    margin: 10px 5px;
    padding: 10px;
    font-size: 0.95em;
  }

  h1,
  h3 {
    font-size: 1.2em;
  }

  header p,
  header a,
  p1,
  a {
    font-size: 0.9em;
  }

  p,
  li,
  .reference-item p {
    font-size: 0.8em;
  }

  .reference-item a {
    font-size: 1em;
  }

  #theme-toggle {
    font-size: 0.8em;
  }

  header nav a {
    width: 28px;
    height: 28px;
  }

  nav a {
    width: 24px;
    height: 24px;
  }

  nav a i {
    font-size: 0.9em;
    color: var(--primary-color);
  }

  .nav i.fa {
    width: 0.85em;
  }
}

@media (max-width: 768px) {
  #api-demo .summary-panel--dark {
    padding: 0.9rem 1rem;
  }

  #api-demo .kv {
    gap: 6px 10px;
    grid-template-columns: 120px minmax(0, 1fr);
  }
}

@media (max-width: 480px) {
  #api-demo .summary-panel--dark {
    padding: 0.8rem 0.9rem;
  }

  #api-demo .kv {
    grid-template-columns: 110px minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  section h2 {
    font-size: 1.6rem;
    border-bottom-width: 3px;
  }

  section h2 i {
    font-size: 1.2em;
  }
}

@media (max-width: 480px) {
  section h2 {
    font-size: 1.4rem;
  }

  section h2 i {
    font-size: 1.1em;
  }
}

@media (max-width: 768px) {
  section p,
  #api-demo p,
  #api-demo .sub-info {
    font-size: 0.96em !important;
  }
}

@media (max-width: 480px) {
  section p,
  #api-demo p,
  #api-demo .sub-info {
    font-size: 0.9em !important;
  }
}

.dark-mode #api-demo p,
.dark-mode #api-demo .sub-info {
  color: rgb(224, 224, 224) !important;
}