:root {
  --color-primary: #00ff66;
  --color-secondary: #00b347;
  --color-dim: #006626;
  --color-muted: #004d1c;
  --color-bg: #111417;
  --color-terminal-bg: #060907;
  --color-header-bg: #0b100d;
  --color-footer-bg: #002b11;
  --color-log-bg: #040705;
  --color-border: rgba(0, 255, 102, 0.22);
  --color-glow: rgba(0, 255, 102, 0.45);
  
  --dot-close: #ff5f56;
  --dot-min: #ffbd2e;
  --dot-max: #27c93f;
  
  --status-success: #00ff66;
  --status-warning: #ffbd2e;
  --status-error: #ff5f56;
  
  --font-mono: Consolas, "Courier New", monospace;
  
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  
  --radius-window: 12px;
  --radius-sm: 4px;
}

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

html, body {
  min-height: 100%;
  background-color: var(--color-bg);
  font-family: var(--font-mono);
  color: var(--color-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow-x: hidden;
}

/* Static CRT / Matrix Texture (Pure CSS, no JS/timer) */
.crt-texture {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.18;
  background-image: 
    repeating-linear-gradient(0deg, transparent 0, transparent 2px, rgba(0, 255, 102, 0.15) 3px),
    repeating-linear-gradient(90deg, transparent 0, transparent 7px, rgba(0, 255, 102, 0.05) 8px);
}

/* Centered Floating Terminal Window */
.retro-terminal {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 780px;
  background-color: var(--color-terminal-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-window);
  box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.95), 0 0 35px rgba(0, 255, 102, 0.12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Header & Traffic Lights */
.retro-header {
  background-color: var(--color-header-bg);
  padding: 10px 18px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.traffic-lights {
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  display: inline-block;
}

.dot-close { background-color: var(--dot-close); }
.dot-min { background-color: var(--dot-min); }
.dot-max { background-color: var(--dot-max); }

.retro-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  opacity: 0.9;
}

/* Terminal Screen Content */
.retro-screen {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 13.5px;
}

/* Boot & Init Lines */
.boot-logs, .app-init {
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--color-secondary);
  font-size: 13px;
}

.boot-lead {
  color: var(--color-primary);
  font-weight: 700;
  text-shadow: 0 0 6px var(--color-glow);
}

/* ASCII Banner */
.ascii-banner {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-primary);
  white-space: pre;
  text-shadow: 0 0 8px var(--color-glow);
  padding: 2px 0;
  user-select: none;
}

/* Status Block (Preserves #state, #det, #cache) */
.status-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 14px;
  background-color: rgba(0, 255, 102, 0.04);
  border: 1px solid rgba(0, 255, 102, 0.15);
  border-radius: var(--radius-sm);
}

.status-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
}

#state {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  text-shadow: 0 0 6px var(--color-glow);
}

#state.ok {
  color: var(--status-success) !important;
}

#state.warn {
  color: var(--status-warning) !important;
  text-shadow: 0 0 6px rgba(255, 189, 46, 0.5);
}

#state.bad {
  color: var(--status-error) !important;
  text-shadow: 0 0 6px rgba(255, 95, 86, 0.5);
}

.diagnostic-line {
  color: var(--color-secondary);
  font-size: 12.5px;
}

.diagnostic-line b {
  color: var(--color-primary);
  font-weight: 700;
}

.cache-line {
  min-height: 18px;
  color: var(--color-dim);
  font-size: 12px;
}

.cache-line.cacheok {
  color: var(--status-success);
  font-weight: 600;
}

.terminal-note {
  color: var(--color-secondary);
  font-size: 12px;
  opacity: 0.85;
}

/* Prompt Line Indicator */
.prompt-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  padding-top: 4px;
}

.prompt-cursor {
  width: 8px;
  height: 15px;
  background-color: var(--color-primary);
  box-shadow: 0 0 6px var(--color-glow);
  display: inline-block;
}

/* Chain Log Shell (#out) */
.chain-screen {
  gap: 12px;
}

.log-shell {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 0;
  flex: 1;
}

.log-header {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-secondary);
  letter-spacing: 0.08em;
}

#out {
  min-height: 200px;
  max-height: 380px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
  padding: 12px;
  background: var(--color-log-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.45;
  scrollbar-width: thin;
  scrollbar-color: var(--color-dim) transparent;
}

#out::-webkit-scrollbar {
  width: 6px;
}

#out::-webkit-scrollbar-thumb {
  background: var(--color-dim);
  border-radius: 3px;
}

/* Terminal Footer */
.retro-footer {
  background-color: var(--color-footer-bg);
  padding: 8px 18px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--color-primary);
}

.footer-jewel {
  width: 7px;
  height: 7px;
  background-color: #2dd4bf;
  transform: rotate(45deg);
  box-shadow: 0 0 6px #2dd4bf;
}

/* Responsive Rules */
@media (max-width: 768px) {
  body {
    padding: var(--space-2);
  }
  
  .retro-screen {
    padding: 16px;
  }
  
  .ascii-banner {
    font-size: 9.5px;
    line-height: 1.1;
    overflow-x: auto;
  }
}

@media (max-width: 375px) {
  .retro-header {
    padding: 8px 12px;
  }
  
  .retro-title {
    font-size: 10px;
  }
  
  .ascii-banner {
    font-size: 8px;
  }
  
  #state {
    font-size: 15px;
  }
}