/* RUNWAY — green phosphor CRT */

:root {
  --ink: #43ff6e;
  --ink-dim: #1f8f43;
  --ink-faint: #135c2c;
  --ink-bright: #b8ffcc;
  --amber: #ffc857;
  --red: #ff6b57;
  --bg: #04120a;
  --bg-deep: #010805;
  --glow: 0 0 6px rgba(67, 255, 110, 0.55);
}

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

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

body {
  font-family: "Menlo", "Consolas", "DejaVu Sans Mono", monospace;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* hidden real input: kept on-screen (iOS refuses offscreen focus) and at
   16px font so mobile Safari doesn't zoom on focus */
#kbdform {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  overflow: hidden;
  opacity: 0.01;
  z-index: 1;
}
#kbd {
  width: 100%;
  height: 1px;
  font-size: 16px;
  background: transparent;
  border: none;
  color: transparent;
  outline: none;
}

#crt {
  position: relative;
  width: min(100vw, 148vh);
  height: 100vh;
  height: 100dvh;
  background: radial-gradient(ellipse at center, #071b10 0%, var(--bg) 55%, var(--bg-deep) 100%);
  overflow: hidden;
}

#frame {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 1.2vh 1.4vw;
}

/* ---- top scene pane ---- */
#scenebox {
  flex: 0 0 auto;
  margin-bottom: 0.6vh;
  text-align: center;
}
#scene {
  display: inline-block;
  text-align: left;
  white-space: pre;
  line-height: 1.08;
  color: var(--ink);
  text-shadow: var(--glow);
  overflow: hidden;
}
#sceneImg {
  display: none;
  margin: 0 auto;
  max-width: 100%;
  image-rendering: pixelated;
  filter: saturate(0.9);
  border: 1px solid var(--ink-faint);
}

#scene .b { color: var(--ink-bright); }
#scene .d { color: var(--ink-dim); }
#scene .f { color: var(--ink-faint); }
#scene .a { color: var(--amber); text-shadow: 0 0 6px rgba(255, 200, 87, 0.5); }

/* ---- status bar ---- */
#statusbar {
  flex: 0 0 auto;
  display: flex;
  gap: 1.6ch;
  flex-wrap: wrap;
  padding: 0.35em 0.8ch;
  border-top: 1px solid var(--ink-faint);
  border-bottom: 1px solid var(--ink-faint);
  color: var(--ink-bright);
  text-shadow: var(--glow);
  font-size: clamp(11px, 1.9vh, 17px);
  letter-spacing: 0.03em;
}
#statusbar span:not(:last-child)::after {
  content: "│";
  color: var(--ink-faint);
  margin-left: 1.6ch;
}
#st-money.low { color: var(--amber); }
#st-money.crit { color: var(--red); }
#st-energy .bar-low { color: var(--amber); }
#st-energy .bar-crit { color: var(--red); }

/* ---- text log ---- */
#log {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 0.8vh 0.8ch 0.4vh;
  font-size: clamp(12px, 2.1vh, 19px);
  line-height: 1.42;
  text-shadow: var(--glow);
  scrollbar-width: thin;
  scrollbar-color: var(--ink-faint) transparent;
}
#log::-webkit-scrollbar { width: 6px; }
#log::-webkit-scrollbar-thumb { background: var(--ink-faint); }

#log p { margin: 0 0 0.5em; white-space: pre-wrap; word-wrap: break-word; }
#log .echo { color: var(--ink-dim); }
#log .sys { color: var(--ink-dim); font-style: italic; }
#log .talk { color: var(--ink-bright); }
#log .good { color: var(--ink-bright); }
#log .money { color: var(--amber); }
#log .bad { color: var(--red); }
#log .title { color: var(--ink-bright); letter-spacing: 0.15em; }
#log .choice { color: var(--ink-bright); }
#log .dim { color: var(--ink-dim); }
#log hr {
  border: none;
  border-top: 1px dashed var(--ink-faint);
  margin: 0.7em 0;
}

/* ---- input line ---- */
#inputline {
  flex: 0 0 auto;
  padding: 0.5vh 0.8ch;
  font-size: clamp(12px, 2.1vh, 19px);
  color: var(--ink-bright);
  text-shadow: var(--glow);
  white-space: pre-wrap;
  word-break: break-all;
  min-height: 1.6em;
}
#prompt { color: var(--ink); margin-right: 1ch; }
#caret {
  animation: blink 1.06s steps(1) infinite;
  color: var(--ink-bright);
}
@keyframes blink { 50% { opacity: 0; } }

/* ---- hint bar ---- */
#hintbar {
  flex: 0 0 auto;
  padding: 0.3vh 0.8ch 0.6vh;
  color: var(--ink-faint);
  font-size: clamp(10px, 1.7vh, 15px);
  letter-spacing: 0.04em;
  min-height: 1.4em;
}
#hintbar b { color: var(--ink-dim); font-weight: normal; }

/* ---- CRT overlays ---- */
#scanlines {
  position: absolute;
  inset: 0;
  z-index: 5;
  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, 0.22) 3px
  );
  mix-blend-mode: multiply;
}
#vignette {
  position: absolute;
  inset: 0;
  z-index: 6;
  pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0) 55%, rgba(0,0,0,0.5) 100%);
}

/* ---- small screens ---- */
@media (max-width: 620px) {
  #frame { padding: 0.8vh 2vw; }
  #statusbar { font-size: 10px; gap: 1ch; }
  #statusbar span:not(:last-child)::after { margin-left: 1ch; }
  #log { font-size: 14px; }
  #inputline { font-size: 15px; }
  #hintbar { font-size: 10px; }
}

@media (prefers-reduced-motion: no-preference) {
  #crt::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 4;
    pointer-events: none;
    background: linear-gradient(rgba(67,255,110,0.035), rgba(67,255,110,0));
    animation: flicker 4.3s infinite;
  }
  @keyframes flicker {
    0%, 100% { opacity: 0.55; }
    3% { opacity: 0.8; }
    6% { opacity: 0.45; }
    52% { opacity: 0.66; }
    54% { opacity: 0.42; }
  }
}