/* Cycle 1 — Round 0 vote: "Hacker terminal — monospace, green on black, raw".
   Full conversion of every screen. Tokens below so later cycles compose with
   this instead of fighting it. */

:root {
  color-scheme: dark;

  /* Terminal tokens */
  --term-bg: #000000;        /* page */
  --term-panel: #0A0A0A;     /* cards / inputs */
  --term-fg: #00FF41;        /* phosphor green — primary text */
  --term-dim: #00A02A;       /* labels, meta, progress track, idle borders */
  --term-ink: #000000;       /* text on inverted (green) fills */
  --term-font: "JetBrains Mono", "Fira Code", "SF Mono", Menlo, Consolas, "Courier New", monospace;
  --term-glow: 0 0 8px rgba(0, 255, 65, 0.35);
  --term-radius: 0;
  --term-space: 16px;
  --term-blink: 1s;
}

* {
  box-sizing: border-box;
  border-radius: var(--term-radius);
}

body {
  margin: 0;
  font-family: var(--term-font);
  background: var(--term-bg);
  color: var(--term-fg);
  font-size: 15px;
  line-height: 1.5;
}

/* Global CRT overlay: scanlines + faint vignette, never interactive. */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background:
    repeating-linear-gradient(rgba(0, 255, 65, 0.03) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
}

#statusline {
  display: block;
  width: 100%;
  padding: 10px 16px;
  font-family: var(--term-font);
  font-size: 13px;
  color: var(--term-dim);
  border-bottom: 1px solid var(--term-dim);
  white-space: pre;
  overflow: hidden;
  text-overflow: ellipsis;
}

#app {
  max-width: 480px;
  margin: 32px auto;
  padding: 20px;
  background: var(--term-panel);
  border: 1px solid var(--term-fg);
  box-shadow: var(--term-glow);
}

/* Progress: rendered as an ASCII bar string by app.js. */
.progress {
  font-size: 13px;
  color: var(--term-dim);
  margin: 0 0 var(--term-space);
  white-space: pre;
  letter-spacing: 1px;
}

/* Question: typed in by app.js, trailing .cursor left blinking. */
.prompt {
  font-size: 16px;
  color: var(--term-fg);
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--term-dim);
  text-shadow: var(--term-glow);
  white-space: pre-wrap;
}

.prompt .cursor {
  display: inline-block;
  color: var(--term-fg);
  animation: term-blink var(--term-blink) steps(1) infinite;
}

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

.choice {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  margin: 0 0 8px;
  background: var(--term-bg);
  color: var(--term-fg);
  border: 1px solid var(--term-dim);
  font-size: 14px;
  font-family: var(--term-font);
  cursor: pointer;
}

/* [A] / [B] / … prefix as a pseudo-element so app.js keeps the raw choice text. */
.choice::before {
  content: "[" attr(data-letter) "] ";
  color: var(--term-dim);
}

.choice:hover,
.choice:focus,
.choice.selected {
  background: var(--term-fg);
  color: var(--term-ink);
  border-color: var(--term-fg);
  box-shadow: var(--term-glow);
  outline: none;
}

.choice:hover::before,
.choice:focus::before,
.choice.selected::before {
  content: "> ";
  color: var(--term-ink);
}

.primary-button {
  padding: 8px 18px;
  margin-top: 12px;
  border: 1px solid var(--term-fg);
  background: var(--term-bg);
  color: var(--term-fg);
  font-family: var(--term-font);
  font-size: 14px;
  cursor: pointer;
}

.primary-button::before {
  content: "> ";
  color: var(--term-dim);
}

.primary-button:hover:not(:disabled) {
  background: var(--term-fg);
  color: var(--term-ink);
  box-shadow: var(--term-glow);
}

.primary-button:hover:not(:disabled)::before {
  color: var(--term-ink);
}

.primary-button:disabled {
  color: var(--term-dim);
  border-color: var(--term-dim);
  cursor: not-allowed;
  opacity: 0.6;
}

.result {
  margin-top: 16px;
  font-size: 14px;
  color: var(--term-fg);
  white-space: pre-wrap;
}

.result.correct {
  text-shadow: var(--term-glow);
}

/* Terminal is monochrome — a wrong answer gets a marker, not a colour. */
.result.incorrect::before {
  content: "x ";
}

.feedback-field {
  margin: 0 0 var(--term-space);
}

.feedback-field label {
  display: block;
  font-size: 13px;
  color: var(--term-dim);
  margin-bottom: 6px;
}

.feedback-field label::before {
  content: "> ";
}

.feedback-field select,
.feedback-field textarea {
  width: 100%;
  padding: 8px;
  font-family: var(--term-font);
  font-size: 14px;
  border: 1px solid var(--term-dim);
  background: var(--term-bg);
  color: var(--term-fg);
}

.feedback-field select:focus,
.feedback-field textarea:focus {
  outline: none;
  border-color: var(--term-fg);
  box-shadow: var(--term-glow);
}

.feedback-field textarea {
  min-height: 70px;
  resize: vertical;
}

.hint {
  font-size: 12px;
  color: var(--term-dim);
  margin-top: 4px;
}

/* --- Competition HUD (round 1 vote: do_compete) ------------------------------
   Score, streak multiplier and the countdown, rendered in the same terminal
   grammar as everything else: monospace, phosphor green, ASCII meters, no
   graphical widgets. */
.hud {
  font-family: var(--term-font);
  color: var(--term-dim);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  margin: 0 0 var(--term-space);
  border-bottom: 1px solid var(--term-dim);
  padding-bottom: 6px;
}

.timer {
  color: var(--term-fg);
}

/* Under five seconds the clock goes bright and pulses — the only thing on screen
   that ever demands attention. */
.timer.hot {
  color: var(--term-fg);
  text-shadow: var(--term-glow);
  animation: timer-pulse 0.5s steps(2, end) infinite;
}

@keyframes timer-pulse {
  50% { opacity: 0.45; }
}

.scoreboard {
  font-family: var(--term-font);
  color: var(--term-fg);
  background: var(--term-panel);
  border: 1px solid var(--term-fg);
  border-radius: var(--term-radius);
  padding: var(--term-space);
  margin: 0 0 var(--term-space);
  font-size: 0.82rem;
  line-height: 1.5;
  white-space: pre;
  overflow-x: auto;
  text-shadow: var(--term-glow);
}