:root {
  --c: #ff2e2e;
}

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

body {
  font-family: 'Courier Prime', 'Courier New', monospace;
  background: #060000;
  color: var(--c);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

/* Stage */
.stage {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--c) 14%, transparent), transparent 60%),
    #050505;
  overflow: hidden;
}

.stage.active { display: flex; }
.stage.active .breach-log { display: block; }

/* Hazard border */
.stage::before {
  content: '';
  position: absolute;
  inset: 0;
  border: 14px solid transparent;
  border-image: repeating-linear-gradient(45deg, var(--c) 0 22px, #000 22px 44px) 14;
  opacity: 0.8;
  animation: flicker 0.18s steps(2) infinite;
  pointer-events: none;
}

.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(to bottom, rgba(0,0,0,0) 0 2px, rgba(0,0,0,0.35) 2px 4px);
  mix-blend-mode: multiply;
  pointer-events: none;
  animation: scanmove 8s linear infinite;
}

@keyframes scanmove { from { background-position: 0 0; } to { background-position: 0 100px; } }
@keyframes flicker { 0% { opacity: 0.85; } 100% { opacity: 0.55; } }

.stage-inner { text-align: center; z-index: 2; padding: 20px; }

.warn-icon {
  font-size: clamp(3rem, 9vw, 7rem);
  color: var(--c);
  text-shadow: 0 0 30px var(--c);
  animation: pulse 1s ease-in-out infinite;
}

@keyframes pulse { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.08); opacity: 0.7; } }

/* Glitch headline */
.glitch {
  position: relative;
  font-size: clamp(2.2rem, 9vw, 8rem);
  font-weight: 700;
  letter-spacing: 6px;
  color: #fff;
  text-shadow: 0 0 24px var(--c);
  margin: 10px 0;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0; top: 0;
  width: 100%;
  overflow: hidden;
}

.glitch::before {
  color: var(--c);
  animation: glitchTop 1.6s infinite linear alternate-reverse;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.glitch::after {
  color: color-mix(in srgb, var(--c) 60%, #00e0ff);
  animation: glitchBottom 1.1s infinite linear alternate-reverse;
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitchTop {
  0% { transform: translate(0,0); } 20% { transform: translate(-4px,-2px); }
  40% { transform: translate(3px,1px); } 60% { transform: translate(-2px,2px); }
  80% { transform: translate(4px,-1px); } 100% { transform: translate(0,0); }
}
@keyframes glitchBottom {
  0% { transform: translate(0,0); } 25% { transform: translate(3px,1px); }
  50% { transform: translate(-3px,-1px); } 75% { transform: translate(2px,2px); }
  100% { transform: translate(0,0); }
}

.subline {
  font-size: clamp(0.9rem, 2.4vw, 1.6rem);
  letter-spacing: 4px;
  color: var(--c);
  text-transform: uppercase;
  margin-top: 6px;
}

.countdown {
  margin-top: 22px;
  font-size: clamp(1.4rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  text-shadow: 0 0 18px var(--c);
  letter-spacing: 3px;
}

.breach-log {
  display: none;
  position: absolute;
  bottom: 70px;
  left: 0;
  width: 100%;
  max-height: 26vh;
  overflow: hidden;
  padding: 0 28px;
  font-size: clamp(10px, 1.3vw, 14px);
  line-height: 1.5;
  color: color-mix(in srgb, var(--c) 80%, #fff 10%);
  white-space: pre-wrap;
  text-shadow: 0 0 6px color-mix(in srgb, var(--c) 60%, transparent);
  z-index: 2;
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 40%);
  mask-image: linear-gradient(to bottom, transparent, #000 40%);
}

/* Controls Overlay */
.controls-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: opacity 0.3s ease;
}

.controls-overlay.hidden { opacity: 0; pointer-events: none; }

.controls-panel {
  background: rgba(14, 4, 4, 0.96);
  border: 2px solid var(--c);
  border-radius: 10px;
  padding: 40px;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 0 50px color-mix(in srgb, var(--c) 45%, transparent);
  max-height: 92vh;
  overflow-y: auto;
}

.panel-header { text-align: center; margin-bottom: 28px; }

.panel-header h1 {
  font-size: 2.2rem;
  color: var(--c);
  text-shadow: 0 0 20px color-mix(in srgb, var(--c) 70%, transparent);
  letter-spacing: 4px;
  margin-bottom: 10px;
}

.subtitle { font-size: 1rem; color: color-mix(in srgb, var(--c) 75%, #888); letter-spacing: 1px; }

.control-group { margin-bottom: 20px; }

.control-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  color: var(--c);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.control-inline { display: flex; align-items: center; justify-content: space-between; }
.control-inline label { margin-bottom: 0; }
.control-inline input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--c); cursor: pointer; }

.control-group select,
.control-group input[type="text"] {
  width: 100%;
  padding: 10px;
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid var(--c);
  border-radius: 5px;
  color: var(--c);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
}

.control-group input[type="text"]::placeholder { color: color-mix(in srgb, var(--c) 45%, #777); }
.control-group select option { background: #000; color: var(--c); }

.button-group { display: flex; gap: 10px; margin: 26px 0 18px; }

.btn {
  flex: 1;
  padding: 12px 20px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: bold;
  letter-spacing: 1px;
  border: 2px solid var(--c);
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
}

.btn-primary {
  background: var(--c);
  color: #000;
  box-shadow: 0 0 20px color-mix(in srgb, var(--c) 45%, transparent);
}

.btn-primary:hover { filter: brightness(1.1); transform: translateY(-2px); }
.btn-secondary { background: transparent; color: var(--c); }
.btn-secondary:hover { background: color-mix(in srgb, var(--c) 12%, transparent); }
.btn.hidden { display: none; }

.info-text {
  margin-top: 8px;
  padding: 15px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid color-mix(in srgb, var(--c) 50%, transparent);
  border-radius: 5px;
  text-align: center;
}

.info-text p { font-size: 0.85rem; color: color-mix(in srgb, var(--c) 75%, #888); margin: 5px 0; }
.info-text strong { color: var(--c); }

.back-link {
  display: block;
  text-align: center;
  margin-top: 18px;
  color: color-mix(in srgb, var(--c) 75%, #888);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.back-link:hover { color: var(--c); }

@media (max-width: 600px) {
  .controls-panel { padding: 28px 18px; }
  .panel-header h1 { font-size: 1.7rem; }
  .button-group { flex-direction: column; }
}