:root {
  --bg: #1a1b26;
  --panel: #24283b;
  --text: #c0caf5;
  --muted: #a9b1d6;
  --blue: #7aa2f7;
  --cyan: #7dcfff;
  --violet: #bb9af7;
  --red: #f7768e;
  --green: #9ece6a;
  --line: #3b4261;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 1rem;
  line-height: 1.6;
}

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

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

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -4rem;
  z-index: 3;
  background: var(--panel);
  color: var(--text);
  padding: 0.5rem 0.75rem;
}

.skip:focus {
  top: 0.75rem;
}

.wrap {
  width: min(46rem, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header,
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  align-items: center;
  flex-wrap: wrap;
  padding: 1.25rem 0;
}

.wordmark {
  color: var(--text);
  text-decoration: none;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.wordmark span {
  color: var(--violet);
}

.prompt {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.1rem;
}

nav a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.terminal {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.chrome {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.7rem 0.9rem;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.chrome span {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--line);
  display: inline-block;
}

.chrome span:nth-child(1) { background: #f7768e; }
.chrome span:nth-child(2) { background: #e0af68; }
.chrome span:nth-child(3) { background: #9ece6a; }

.chrome b {
  margin-left: 0.4rem;
  font-weight: 600;
}

.terminal-body {
  padding: 1.25rem 1.1rem 1.4rem;
}

h1 {
  margin: 0 0 0.75rem;
  font-size: 1.7rem;
  line-height: 1.25;
  font-weight: 650;
}

h2 {
  margin: 1.3rem 0 0.45rem;
  font-size: 1.15rem;
  line-height: 1.35;
}

.kicker {
  margin: 0 0 0.8rem;
  color: var(--violet);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

p {
  margin: 0 0 0.9rem;
}

.lead {
  font-size: 1.05rem;
}

.button,
button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.55rem 1rem;
  border: 0;
  border-radius: 4px;
  background: var(--blue);
  color: var(--bg);
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button:hover,
button:hover {
  background: var(--cyan);
  color: var(--bg);
}

button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.site-footer {
  color: var(--muted);
  border-top: 1px solid var(--line);
  margin-top: 0.5rem;
}

.site-footer p {
  margin: 0;
}

.site-footer nav {
  gap: 1.1rem;
}

.site-footer .play-link {
  color: var(--muted);
  letter-spacing: 0.04em;
}

.site-footer .play-link:hover,
.site-footer .play-link[aria-current="page"] {
  color: var(--cyan);
}

form {
  display: grid;
  gap: 0.95rem;
  margin-top: 1rem;
}

label {
  display: block;
  font-weight: 650;
  margin-bottom: 0.35rem;
}

.req,
.opt {
  font-weight: 500;
  color: var(--violet);
}

input,
textarea,
select {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

textarea {
  min-height: 11rem;
  resize: vertical;
}

.hint,
.field-error,
.count {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
}

.hint,
.count {
  color: var(--muted);
}

.count {
  text-align: right;
}

.field-error:empty {
  display: none;
}

.field-error {
  color: var(--red);
}

input[aria-invalid="true"],
textarea[aria-invalid="true"],
select[aria-invalid="true"] {
  border-color: var(--red);
}

.form-status,
.form-alert {
  margin: 0;
  min-height: 1.5rem;
}

.form-alert:empty,
.form-status:empty {
  min-height: 0;
}

.form-alert {
  color: var(--red);
}

.form-status {
  color: var(--green);
}

.privacy-note,
.alt {
  color: var(--muted);
  font-size: 0.92rem;
}

#not-delivered {
  display: none;
}

#not-delivered:target {
  display: block;
}

#not-delivered:target + #result-accepted {
  display: none;
}

.play-stage {
  position: relative;
  display: flex;
  justify-content: center;
  width: 100%;
  margin: 0.4rem 0 0.9rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  touch-action: none;
  user-select: none;
}

.play-stage[data-mode="ready"],
.play-stage[data-mode="paused"],
.play-stage[data-mode="lost"] {
  min-height: 16.5rem;
}

.play-stage[data-mode="lost"] {
  min-height: 20rem;
}

.play-stage canvas {
  display: block;
  width: 100%;
  height: auto;
  background: var(--bg);
}

.play-overlay {
  position: absolute;
  inset: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
  text-align: center;
  background: var(--bg);
}

.play-overlay:not([hidden]) {
  display: flex;
}

.play-overlay p {
  margin: 0;
  max-width: 100%;
  letter-spacing: 0.04em;
}

.play-overlay p:empty {
  display: none;
}

.play-overlay [data-play-summary] {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  column-gap: 0.9rem;
  row-gap: 0.2rem;
}

.play-overlay [data-play-summary]:empty {
  display: none;
}

.play-overlay [data-play-summary] span {
  white-space: nowrap;
}

.play-overlay button {
  min-width: 8.5rem;
}

.play-initials {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 650;
}

.play-initials input {
  width: 5.5rem;
  text-align: center;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.play-controls {
  display: none;
  gap: 0.75rem;
  margin: 0 0 0.9rem;
  touch-action: none;
  user-select: none;
}

.play-controls button {
  flex: 1;
}

.play-live {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
  pointer-events: none;
}

.honeypot {
  position: absolute !important;
  left: -10000px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  pointer-events: none !important;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

ul {
  margin: 0 0 0.9rem;
  padding-left: 1.2rem;
}

@media (pointer: coarse) {
  .play-stage[data-mode="running"] + .play-controls {
    display: flex;
  }
}

@media (max-width: 640px) {
  h1 {
    font-size: 1.45rem;
  }

  .terminal-body {
    padding: 1rem 0.85rem 1.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}