:root {
  --bg: #050805;
  --panel: #070c07;
  --text: #9df5ae;
  --bright: #d9ffe0;
  --dim: #426c49;
  --faint: #1a2e1e;
  --link: #66c7ff;
  --error: #ff8f8f;
  --font: "Courier New", Courier, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

body[data-theme="amber"] {
  --bg: #090602;
  --panel: #0d0903;
  --text: #ffbd55;
  --bright: #ffe0a3;
  --dim: #805b25;
  --faint: #38260e;
  --link: #ffdb85;
}

body[data-theme="white"] {
  --bg: #080808;
  --panel: #0c0c0c;
  --text: #d2d2d2;
  --bright: #ffffff;
  --dim: #666666;
  --faint: #292929;
  --link: #79aaff;
}

* { box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
}

body {
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.55;
  text-shadow: 0 0 7px color-mix(in srgb, var(--text) 18%, transparent);
}

button, input, textarea { font: inherit; }

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: .14;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(0, 0, 0, .22) 3px,
    rgba(0, 0, 0, .22) 4px
  );
}

.screen {
  height: 100svh;
  min-height: 100%;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  background:
    radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--text) 3%, transparent), transparent 60%),
    var(--bg);
}

.bar, .menu, .prompt-row {
  border-color: var(--faint);
  border-style: solid;
}

.bar {
  min-height: 34px;
  padding: 7px clamp(14px, 2.5vw, 34px);
  border-width: 0 0 1px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 11px;
  white-space: nowrap;
}

.bar strong { color: var(--bright); font-weight: 400; }

.connected::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--text);
  box-shadow: 0 0 8px var(--text);
  vertical-align: 1px;
}

.menu {
  padding: 9px clamp(14px, 2.5vw, 34px);
  border-width: 0 0 1px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  background: var(--panel);
}

.menu button, .inline-command, .text-button {
  appearance: none;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--link);
  font-family: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.menu button:hover,
.menu button:focus-visible,
.menu button.selected,
.inline-command:hover,
.inline-command:focus-visible,
.text-button:hover,
.text-button:focus-visible {
  color: var(--bright);
  outline: none;
}

.menu button:focus-visible::before,
.menu button.selected::before { content: "> "; color: var(--text); }

.output {
  min-height: 0;
  overflow: auto;
  padding: clamp(18px, 3.5vw, 48px) clamp(14px, 4vw, 58px);
  scrollbar-width: thin;
  scrollbar-color: var(--dim) var(--bg);
}

.buffer { width: min(84ch, 100%); min-height: 100%; }
.line { min-height: 1.55em; }
.blank { height: 1.55em; }
.bright { color: var(--bright); }
.dim { color: var(--dim); }
.error { color: var(--error); }
.indent { padding-left: 2ch; }

.name {
  color: var(--bright);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.25;
}

.rule { color: var(--dim); white-space: nowrap; overflow: hidden; }

.row {
  display: grid;
  grid-template-columns: minmax(10ch, 16ch) minmax(10ch, 15ch) 1fr;
  gap: 2ch;
  align-items: start;
}

.row + .row { margin-top: 4px; }
.tag { color: var(--dim); }

.contact-form {
  width: min(66ch, 100%);
  margin-top: 1.55em;
}

.contact-field {
  display: grid;
  grid-template-columns: 10ch minmax(0, 1fr);
  align-items: start;
  gap: 1ch;
  margin: 0 0 10px;
}

.contact-field label { color: var(--dim); padding-top: 3px; }

.contact-field input,
.contact-field textarea {
  width: 100%;
  border: 1px solid var(--faint);
  border-radius: 0;
  outline: 0;
  padding: 5px 7px;
  background: var(--panel);
  color: var(--bright);
  caret-color: var(--text);
  resize: vertical;
}

.contact-field input:focus,
.contact-field textarea:focus { border-color: var(--text); }
.contact-field textarea { min-height: 92px; max-height: 190px; }

.contact-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2ch;
  padding-left: 11ch;
}

.contact-actions button[disabled] { color: var(--dim); cursor: wait; }
.contact-status { color: var(--dim); }
.contact-status.ok { color: var(--text); }
.contact-status.bad { color: var(--error); }

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

.prompt-row {
  min-height: 46px;
  padding: 9px clamp(14px, 2.5vw, 34px);
  border-width: 1px 0 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  background: var(--panel);
}

.prompt { color: var(--bright); white-space: nowrap; }
.prompt span { color: var(--text); }

#command {
  width: 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--bright);
  caret-color: var(--text);
}

#command::placeholder { color: var(--dim); opacity: .75; }

.key-hint {
  color: var(--dim);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  white-space: nowrap;
}

.boot {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: start;
  padding: clamp(22px, 5vw, 68px);
  background: var(--bg);
  color: var(--text);
  transition: opacity 160ms linear, visibility 160ms linear;
}

.boot.done { opacity: 0; visibility: hidden; }
.boot pre { margin: 0; font: inherit; line-height: 1.75; white-space: pre-wrap; }

.cursor {
  display: inline-block;
  width: .62em;
  height: 1.05em;
  margin-left: 2px;
  background: var(--text);
  vertical-align: -.15em;
  animation: blink 900ms steps(1, end) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

@media (max-width: 680px) {
  body { font-size: 12px; }
  .bar { min-height: 30px; }
  .bar .host { display: none; }
  .menu { gap: 5px 13px; }
  .output { padding-top: 22px; }
  .row { grid-template-columns: 11ch 1fr; gap: 1ch; }
  .row .description { grid-column: 2; color: var(--dim); }
  .prompt-row { min-height: 44px; grid-template-columns: auto minmax(0, 1fr); }
  .key-hint { display: none; }
  .contact-field { grid-template-columns: 1fr; gap: 3px; }
  .contact-field label { padding: 0; }
  .contact-actions { padding-left: 0; }
}

@media (max-height: 600px) {
  body { font-size: 12px; }
  .output { padding-top: 16px; padding-bottom: 16px; }
  .blank { height: 1.1em; }
  .contact-field textarea { min-height: 62px; }
}

@media (prefers-reduced-motion: reduce) {
  .boot { display: none; }
  .cursor { animation: none; }
}