/* Global CRT look */
:root {
  --term-bg: #0a0f0a;
  --term-fg: #9cff9c;
  --term-dim: #4ea84e;
  --term-amber-fg: #ffb74d; /* deeper amber */
  --term-amber-dim: #c4822e; /* darker dim for contrast */
  --scanline: rgba(0, 0, 0, 0.15);
  --glow: 0 0 6px rgba(156, 255, 156, 0.6), 0 0 24px rgba(156, 255, 156, 0.2);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: radial-gradient(ellipse at center, #0c120c 0%, #070a07 60%, #050805 100%);
  color: var(--term-fg);
  font-family: 'VT323', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 22px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  text-shadow: var(--glow);
}

#crt-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient( to bottom, transparent, transparent 2px, var(--scanline) 3px);
  opacity: 0.4;
  mix-blend-mode: multiply;
}

#terminal {
  max-width: 960px;
  margin: 0 auto;
  padding: 12px;
}

.header {
  margin: 8px 0 12px;
}
#header-img {
  width: 100%;
  height: auto;
  display: block;
}

.screen {
  border: 2px solid var(--term-dim);
  padding: 12px;
  position: relative;
  min-height: 60vh;
  background: linear-gradient(rgba(12, 18, 12, 0.6), rgba(5, 8, 5, 0.7));
  box-shadow: inset 0 0 24px rgba(156, 255, 156, 0.08), inset 0 0 80px rgba(156, 255, 156, 0.05);
  display: flex;
  flex-direction: column;
}

/* ASCII border corners */
.screen::before, .screen::after {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  border: 2px solid var(--term-dim);
}
.screen::before { left: -2px; top: -2px; border-right: 0; border-bottom: 0; }
.screen::after  { right: -2px; bottom: -2px; border-left: 0; border-top: 0; }

#output {
  min-height: 200px;
  white-space: pre-wrap;
  overflow-y: auto;
  flex: 1;
}

#input-line {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

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

#cli-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--term-fg);
  caret-color: var(--term-fg);
  font: inherit;
  text-shadow: var(--glow);
}

.hint {
  color: var(--term-dim);
  min-height: 1em;
  margin-top: 6px;
}

/* Typing cursor */
.cursor {
  display: inline-block;
  width: 0.6ch;
  margin-left: 2px;
  background: transparent;
  border-left: 2px solid var(--term-fg);
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

.line { margin: 4px 0; }
.question { color: var(--term-fg); }
.system { color: var(--term-dim); }
.error { color: #ff7272; text-shadow: 0 0 6px rgba(255, 114, 114, 0.6); }
.success { color: #a7ffad; }

/* Responsive */
@media (max-width: 600px) {
  body { font-size: 18px; }
  #terminal { padding: 8px; }
  .screen { padding: 8px; }
}

/* Subtle flicker */
@keyframes crt-flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.98; }
}
body { animation: crt-flicker 2.8s infinite; }

/* Amber theme background + glow */
[data-theme="amber"] body {
  background: radial-gradient(ellipse at center, #130e07 0%, #0d0a06 60%, #0a0705 100%);
}