:root {
  --color-light-gray: light-dark(#cfdce7, #5d646b);
  --color-gray: light-dark(#b1bfcd, #434c57);
  --color-dark-gray: light-dark(#8e9ead, #262d34);
  --color-alt-gray: light-dark(#e7eff0, #3d4243);
  --color-link: light-dark(#2f557d, #aec7df);
  --color-bw: light-dark(#000, #fff);
  --color-pale-bw: light-dark(#fff, #1d1d1d);
  --font-sans: Verdana, Arial, Helvetica, sans-serif;
  --font-serif: "Times New Roman", Times, serif;
  --font-mono: "Consolas", "Courier New", "Courier", monospace;
}

* {
  font-family: var(--font-sans);
  margin: 0;
  line-height: 1.3;
}

*:focus {
  outline: none;
}

html {
  scroll-behavior: smooth;
  color-scheme: light dark;
}

body {
  background-color: var(--color-pale-bw);
}

h1, h2, h3, h4, h5, h6 {
  margin-bottom: 10px;
}
h2, h3, h4, h5, h6 {
  margin-top: 10px;
}
h1, h2 {
  border-bottom: solid 2px var(--color-bw);
  padding-bottom: 10px;
}
h1 {
  font-size: 2.25rem;
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.75rem;
}
h4 {
  font-size: 1.5rem;
}
h5 {
  font-size: 1.25rem;
}
h6 {
  font-style: italic;
  font-size: 1rem;
}

a {
  cursor: pointer;
  text-decoration: none;
  color: var(--color-link);
}
a[target="_blank"]::after {
  display: inline-block;
  font-family: "Font Awesome 7 Free";
  content: "\f08e";
  font-weight: 900;
  margin-left: 6px;
  margin-right: 3px;
}
a:hover {
  text-decoration: underline;
  color: var(--color-bw);
}
a:active {
  color: var(--color-link);
}

p {
  margin-bottom: 8px;
}

q {
  font-style: italic;
}

s {
  opacity: 0.65;
}
s:hover {
  text-decoration: none;
}

button,
input[type="button"],
input[type="submit"],
input::file-selector-button {
  cursor: pointer;
  border: solid 2px var(--color-dark-gray);
  background-color: var(--color-gray);
  border-radius: 6px;
  padding: 6px 9px;
}
button:hover,
input[type="button"]:hover,
input[type="submit"]:hover,
input::file-selector-button:hover {
  background-image: linear-gradient(var(--color-gray), var(--color-light-gray));
}
button:active,
input[type="button"]:active,
input[type="submit"]:active,
input::file-selector-button:active {
  background-image: linear-gradient(var(--color-light-gray), var(--color-gray));
}
input[type="file"] {
  width: 200px;
}
input[type="color"] {
  cursor: pointer;
  border: solid 2px var(--color-dark-gray);
  background-color: var(--color-gray);
  border-radius: 6px;
  width: 60px;
  height: 35px;
}
input[type="color"]:hover {
  background-image: linear-gradient(var(--color-gray), var(--color-light-gray));
}
input[type="color"]:focus {
  background-image: linear-gradient(var(--color-light-gray), var(--color-gray));
}

textarea,
input[type="text"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="month"],
input[type="time"],
input[type="week"] {
  cursor: text;
  border: solid 2px var(--color-dark-gray);
  background-color: var(--color-alt-gray);
  border-radius: 6px;
  padding: 6px 9px;
}
input[type="text"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="month"],
input[type="time"],
input[type="week"] {
  width: 200px;
}
.nor {
  resize: none;
}
[readonly] {
  background-color: var(--color-dark-gray);
}

::placeholder {
  color: #888;
  font-style: italic;
}

hr {
  border: none;
  border-top: solid 2px var(--color-bw);
  margin: 10px 0;
}

li {
  margin-bottom: 4px;
}

select, ::picker(select) {
  appearance: base-select;
}
select {
  cursor: pointer;
  border: solid 2px var(--color-dark-gray);
  background-color: var(--color-gray);
  border-radius: 6px;
  padding: 6px 9px;
  font-size: 13.3333px;
}
select:hover,
select:active {
  background-image: linear-gradient(var(--color-gray), var(--color-light-gray));
}
::picker(select) {
  border: none;
  background: none;
}
option {
  display: flex;
  justify-content: flex-start;
  gap: 20px;
  border: 2px solid var(--color-dark-gray);
  background: var(--color-gray);
  padding: 6px 9px;
  font-size: 13.3333px;
}
option:first-of-type {
  border-radius: 6px 6px 0 0;
}
option:last-of-type {
  border-radius: 0 0 6px 6px;
}
option:not(option:first-of-type) {
  border-top: none;
}
option:not(option:last-of-type) {
  border-bottom: none;
}
option:nth-of-type(odd) {
  background-color: var(--color-alt-gray);
}
option:hover,
option:focus,
option:checked {
  background-color: var(--color-light-gray);
}


.imglink img {
  width: 300px;
}

.quote {
  padding: 0 38px;
  margin-bottom: 8px;
}
.quote blockquote {
  font-style: italic;
  display: block;
  border-left: solid 4px var(--color-gray);
  padding: 8px
}
.quote cite {
  display: block;
  width: fit-content;
  margin: 0 0 0 auto;
}
.quote cite::before {
  content: "— ";
}

.media {
  text-align: center;
  margin-bottom: 8px;
}
.media p {
  margin-top: 8px;
  margin-bottom: 0;
}
.media table {
  display: block;
  width: fit-content;
  margin: auto;
  border-collapse: collapse;
  border: solid 1px var(--color-link);
}
.media th, td {
  overflow-wrap: break-word;
  padding: 6px;
  min-width: 50px;
}
.media th {
  background-color: var(--color-light-gray);
  border-bottom: solid 1px var(--color-link);
}
.media td {
  background-color: var(--color-pale-bw);
}
.media th:not(:last-child),
.media td:not(:last-child) {
  border-right: solid 1px var(--color-link);
}
.media tr:nth-child(odd) td {
  background-color: var(--color-alt-gray);
}

.yoko {
  width: 100%;
  text-align: center;
  padding: 0;
}
.yoko li {
  list-style: none;
  display: inline;
}
.yoko li:not(:first-child):before {
  content: " • "
}

.l {
  text-align: left;
}
.c {
  text-align: center;
  justify-content: center;
  align-items: center;
}
.r {
  text-align: right;
}

.upm {
  margin-top: 10px;
}
.dnm {
  margin-bottom: 10px;
}
.nom {
  margin: 0;
}

.ex {
  margin-left: 20px;
}
.ex::before {
  content: "(ex) ";
  font-style: italic;
}

.flex {
  display: flex;
}

.sqbtn {
  width: 40px;
  height: 40px;
}
.back2top {
  position: fixed;
  bottom: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
}

.rainbow {
  animation: 2s rb linear infinite;
}

.black {
  background-color: var(--color-bw);
}
.black:hover {
  color: var(--color-pale-bw);
}

.header, .footer {
  background-color: var(--color-gray);
}
.header {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: 1.8rem;
  height: 65px;
}
.content {
  padding: 15px 50px;
  min-height: calc(100vh - 225px);
}
.footer {
  padding: 15px;
  height: 100px
}
.footer .logo {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.logo {
  display: block;
  width: fit-content;
  font-weight: bold;
}

@keyframes rb {
  0% {color: #f00}
  8% {color: #f80}
  16% {color: #ff0}
  24% {color: #8f0}
  32% {color: #0f0}
  40% {color: #0f8}
  48% {color: #0ff}
  56% {color: #08f}
  64% {color: #00f}
  72% {color: #80f}
  80% {color: #f0f}
  88% {color: #f08}
  96% {color: #f00}
  100% {color: #f00}
}