/* eishexac.com. a system 7 desktop: grey dither, menu bar, one window.
   black text, blue links. no scripts, no web fonts. */

:root {
  --desk: #a8a8a8;
  --desk-dot: #8a8a8a;
  --chrome: #ffffff;
  --ink: #000000;
  --ink-dim: #555555;
  --link: #0000ee;
  --stripe: #000000;
  --font: Geneva, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: Monaco, Menlo, "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

html {
  background-color: var(--desk);
  background-image: radial-gradient(var(--desk-dot) 1px, transparent 1px);
  background-size: 4px 4px;
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
}

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

a:hover {
  background: var(--ink);
  color: var(--chrome);
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* menu bar */
.menubar {
  background: var(--chrome);
  border-bottom: 1px solid var(--ink);
  height: 22px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 18px;
  font-weight: 700;
  font-size: 13px;
}

.menubar a {
  color: var(--ink);
  text-decoration: none;
  padding: 0 2px;
}

.menubar a:hover {
  background: var(--ink);
  color: var(--chrome);
}

.menubar .brand {
  padding-right: 6px;
  line-height: 0;
}

.menubar .clock {
  margin-left: auto;
  font-weight: 400;
  color: var(--ink-dim);
}

/* window */
.window {
  width: min(560px, calc(100% - 32px));
  margin: 48px auto;
  background: var(--chrome);
  border: 1px solid var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
}

.titlebar {
  position: relative;
  height: 20px;
  border-bottom: 1px solid var(--ink);
  background: repeating-linear-gradient(
    to bottom,
    var(--chrome) 0 2px,
    var(--stripe) 2px 3px
  );
  background-clip: content-box;
  padding: 2px 0;
}

.titlebar .title {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  background: var(--chrome);
  padding: 0 8px;
  font-weight: 700;
  font-size: 13px;
  line-height: 20px;
}

.titlebar .box {
  position: absolute;
  top: 3px;
  width: 13px;
  height: 13px;
  background: var(--chrome);
  border: 1px solid var(--ink);
  text-decoration: none;
}

.titlebar .zoom::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 7px;
  height: 7px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.titlebar .close {
  left: 8px;
}

.titlebar .zoom {
  right: 8px;
}

a.box:hover,
a.box:focus-visible {
  background: var(--ink);
  color: var(--chrome);
}

.content {
  padding: 22px 26px 26px;
}

h1 {
  font-size: 26px;
  margin: 0 0 2px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.sub {
  margin: 0 0 18px;
  color: var(--ink-dim);
}

p {
  margin: 0 0 14px;
}

h2 {
  font-size: 14px;
  margin: 20px 0 6px;
  font-weight: 700;
}

/* a heading reached through the menu bar lights up like a selection */
h2:target {
  background: var(--ink);
  color: var(--chrome);
  padding: 0 4px;
  margin-left: -4px;
  display: inline-block;
}

.menubar a[aria-current="page"] {
  background: var(--ink);
  color: var(--chrome);
}

dl {
  margin: 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 3px 16px;
}

dt {
  color: var(--ink-dim);
}

dd {
  margin: 0;
}

.fpr {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  word-break: break-word;
}

hr {
  border: 0;
  border-top: 1px solid var(--ink);
  margin: 22px 0 12px;
}

.legal {
  font-size: 11.5px;
  color: var(--ink-dim);
  margin: 0;
  line-height: 1.5;
}

/* "leaving the site" alert. opened by #leave in the url, closed by any link back to #top. */
.alert {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.alert:target {
  display: flex;
}

.alert .backdrop {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.35);
  background-image: radial-gradient(rgba(0, 0, 0, 0.5) 1px, transparent 1px);
  background-size: 3px 3px;
}

.alert-box {
  position: relative;
  width: min(360px, 100%);
  background: var(--chrome);
  border: 1px solid var(--ink);
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  box-shadow: 2px 2px 0 var(--ink);
  padding: 18px 18px 16px;
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 4px 14px;
}

.alert-icon {
  grid-row: 1 / span 2;
  width: 32px;
  height: 32px;
  -webkit-mask-size: 32px 32px;
  mask-size: 32px 32px;
}

.btn .i {
  margin-left: 6px;
  vertical-align: -2px;
}

dt .i {
  vertical-align: -3px;
}

.menubar .brand .i {
  vertical-align: -3px;
}

.alert-box p {
  margin: 0 0 6px;
}

.alert-box .buttons {
  grid-column: 2;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 12px;
}

.btn {
  display: inline-block;
  min-width: 68px;
  padding: 3px 12px;
  text-align: center;
  color: var(--ink);
  background: var(--chrome);
  border: 1px solid var(--ink);
  border-radius: 6px;
  text-decoration: none;
  font-weight: 700;
}

.btn.default {
  box-shadow: 0 0 0 2px var(--chrome), 0 0 0 4px var(--ink);
}

.btn:hover,
.btn:focus-visible {
  background: var(--ink);
  color: var(--chrome);
}

@media (max-width: 420px) {
  dl {
    grid-template-columns: 1fr;
    gap: 0;
  }

  dd {
    margin-bottom: 8px;
  }

  .content {
    padding: 18px 16px 20px;
  }
}

@media print {
  html {
    background: #fff;
  }

  .menubar,
  .titlebar {
    display: none;
  }

  .window {
    border: 0;
    box-shadow: none;
    width: auto;
    margin: 0;
  }
}