/* ======================================================================
   4 IS MORE — And Why It Matters
   Green-phosphor CRT terminal look, in the spirit of 1985.
   ====================================================================== */

:root {
  --green: #33ff33;
  --green-dim: #1fa81f;
  --green-dark: #0d5c0d;
  --black: #050805;
  --glow: rgba(51, 255, 51, 0.35);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  background: #000;
  min-height: 100%;
}

body {
  font-family: 'VT323', 'Courier New', monospace;
  color: var(--green);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 8px 0 8px;
  -webkit-font-smoothing: none;
  text-transform: none;
}

/* ---------- The monitor ---------- */

#crt {
  width: 100%;
  max-width: 760px;
  background: var(--black);
  border: 4px solid #1a1a1a;
  border-radius: 12px;
  box-shadow: 0 0 40px rgba(51, 255, 51, 0.08), inset 0 0 60px rgba(0, 0, 0, 0.9);
  position: relative;
  overflow: hidden;
}

/* scanlines */
#crt::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.18) 3px,
    rgba(0, 0, 0, 0) 4px
  );
  z-index: 10;
}

/* soft vignette */
#crt::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0) 60%, rgba(0,0,0,0.35) 100%);
  z-index: 11;
}

#screen {
  padding: 14px 16px 18px 16px;
  min-height: 540px;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* ---------- Scene / pixel art canvas ---------- */

#scene-wrap {
  width: 100%;
  text-align: center;
  margin-bottom: 8px;
}
#scene-wrap.hidden { display: none; }

canvas.scene {
  width: 100%;
  max-width: 640px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  display: inline-block;
}

/* ---------- Text ---------- */

#content {
  font-size: 22px;
  line-height: 1.25;
  white-space: pre-wrap;
  word-wrap: break-word;
  flex: 0 1 auto;
}

#content .center { display: block; text-align: center; }
#content .dim    { color: var(--green-dim); }
#content .invert {
  background: var(--green);
  color: #000;
  padding: 0 4px;
  text-shadow: none;
}
#content .big {
  font-size: 30px;
  letter-spacing: 1px;
}
#content .rule {
  display: block;
  overflow: hidden;
  white-space: nowrap;
  color: var(--green-dim);
}

#content, #menu, #status, #register-screen, #footer-bar {
  text-shadow: 0 0 6px var(--glow);
}

/* blinking cursor */
.cursor {
  display: inline-block;
  width: 0.6em;
  background: var(--green);
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.blink { animation: blink 1s steps(1) infinite; }

/* ---------- Menus ---------- */

#menu {
  margin-top: 10px;
  font-size: 22px;
}

.menu-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font: inherit;
  color: var(--green);
  cursor: pointer;
  padding: 6px 6px;
  line-height: 1.2;
  text-shadow: 0 0 6px var(--glow);
}
.menu-item:hover, .menu-item:focus, .menu-item.selected {
  background: var(--green);
  color: #000;
  text-shadow: none;
  outline: none;
}

.menu-prompt {
  margin-top: 10px;
  color: var(--green);
}

/* press-any-key zones */
.press-key {
  margin-top: 14px;
  text-align: center;
  color: var(--green-dim);
  cursor: pointer;
  font-size: 20px;
}

/* ---------- Status bar (Oregon Trail bottom panel) ---------- */

#status {
  margin-top: auto;
  padding-top: 10px;
  font-size: 19px;
  color: var(--green);
}
#status.hidden { display: none; }
#status .sep {
  color: var(--green-dim);
  overflow: hidden;
  white-space: nowrap;
  display: block;
}
#status table { width: 100%; border-collapse: collapse; }
#status td { padding: 0 4px 0 0; vertical-align: top; font-size: 19px; }

/* ---------- Text input prompts ---------- */

input.term-input, textarea.term-input {
  background: #000;
  border: 1px solid var(--green-dim);
  color: var(--green);
  font: inherit;
  font-size: 22px;
  padding: 4px 8px;
  width: 100%;
  max-width: 420px;
  caret-color: var(--green);
  text-shadow: 0 0 6px var(--glow);
}
input.term-input:focus, textarea.term-input:focus {
  outline: none;
  border-color: var(--green);
}

/* ---------- Registration form ---------- */

#register-screen label {
  display: block;
  margin-top: 12px;
  font-size: 21px;
}
#register-screen .req { color: var(--green); }
#register-screen .opt { color: var(--green-dim); }

.checkline {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 12px;
  font-size: 17px;
  line-height: 1.3;
  color: var(--green-dim);
  cursor: pointer;
}
.checkline input[type="checkbox"] {
  appearance: none;
  width: 20px; height: 20px;
  min-width: 20px;
  border: 1px solid var(--green);
  background: #000;
  cursor: pointer;
  position: relative;
  margin-top: 2px;
}
.checkline input[type="checkbox"]:checked::after {
  content: "X";
  position: absolute;
  inset: 0;
  color: var(--green);
  font-family: inherit;
  font-size: 17px;
  line-height: 18px;
  text-align: center;
}

.term-btn {
  margin-top: 16px;
  background: #000;
  border: 2px solid var(--green);
  color: var(--green);
  font: inherit;
  font-size: 24px;
  padding: 8px 22px;
  cursor: pointer;
  text-shadow: 0 0 6px var(--glow);
}
.term-btn:hover, .term-btn:focus {
  background: var(--green);
  color: #000;
  text-shadow: none;
  outline: none;
}
.term-btn:disabled {
  border-color: var(--green-dark);
  color: var(--green-dark);
  cursor: not-allowed;
}

.form-error {
  color: var(--green);
  background: #220000;
  border: 1px solid var(--green-dim);
  padding: 6px 10px;
  margin-top: 12px;
  font-size: 18px;
  display: none;
}

/* ---------- Minigame canvas ---------- */

#game-wrap {
  text-align: center;
}
#game-canvas {
  width: 100%;
  max-width: 640px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  touch-action: none;
  background: #000;
}
#game-hud {
  font-size: 20px;
  margin: 4px 0;
}

/* on-screen touch controls */
#touch-controls {
  display: none;
  justify-content: center;
  gap: 8px;
  margin-top: 8px;
  user-select: none;
  -webkit-user-select: none;
}
#touch-controls.visible { display: flex; }
.tc-btn {
  width: 58px; height: 58px;
  border: 2px solid var(--green);
  color: var(--green);
  background: #000;
  font: inherit;
  font-size: 26px;
  cursor: pointer;
  touch-action: none;
}
.tc-btn:active { background: var(--green); color: #000; }
.tc-btn.wide { width: 120px; font-size: 20px; }

/* ---------- Cookie banner ---------- */

#cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: #000;
  border-top: 2px solid var(--green);
  padding: 12px 16px;
  font-size: 17px;
  color: var(--green);
  z-index: 100;
  display: none;
  text-shadow: 0 0 6px var(--glow);
}
#cookie-banner.visible { display: block; }
#cookie-banner .cb-buttons { margin-top: 8px; display: flex; gap: 12px; flex-wrap: wrap; }
#cookie-banner button {
  background: #000;
  border: 1px solid var(--green);
  color: var(--green);
  font: inherit;
  font-size: 18px;
  padding: 4px 14px;
  cursor: pointer;
}
#cookie-banner button:hover { background: var(--green); color: #000; }

/* ---------- Footer ---------- */

#footer-bar {
  width: 100%;
  max-width: 760px;
  color: var(--green-dark);
  font-size: 15px;
  text-align: center;
  padding: 10px 6px 16px 6px;
  line-height: 1.4;
}
#footer-bar a { color: var(--green-dim); }

/* ---------- Leaderboard table ---------- */

table.scores { width: 100%; border-collapse: collapse; font-size: 20px; }
table.scores td, table.scores th {
  text-align: left;
  padding: 2px 6px;
  font-weight: normal;
}
table.scores th { color: var(--green-dim); }
table.scores td.num, table.scores th.num { text-align: right; }

/* ---------- Privacy page ---------- */

.doc {
  max-width: 720px;
  padding: 20px 16px 40px 16px;
  font-size: 20px;
  line-height: 1.4;
  text-shadow: 0 0 6px var(--glow);
}
.doc h1 { font-size: 30px; margin: 18px 0 10px 0; font-weight: normal; }
.doc h2 { font-size: 24px; margin: 22px 0 8px 0; font-weight: normal; color: var(--green); }
.doc p, .doc li { color: var(--green-dim); margin-bottom: 10px; }
.doc ul { margin-left: 24px; margin-bottom: 10px; }
.doc a { color: var(--green); }
.doc strong { color: var(--green); font-weight: normal; }

/* ---------- Responsive ---------- */

@media (max-width: 520px) {
  body { padding: 4px 2px 0 2px; }
  #crt { border-width: 3px; border-radius: 8px; }
  #screen { padding: 10px 10px 14px 10px; min-height: 480px; }
  #content { font-size: 19px; }
  #content .big { font-size: 24px; }
  #menu { font-size: 19px; }
  #status { font-size: 16px; }
  #status td { font-size: 16px; }
  .menu-item { padding: 8px 4px; }
  #touch-controls.visible { display: flex; }
}

/* reduce motion */
@media (prefers-reduced-motion: reduce) {
  .cursor, .blink { animation: none; }
}