/* Dracula Color Theme */
:root {
  --bg:           #282a36;
  --current-line: #44475a;
  --foreground:   #f8f8f2;
  --comment:      #6272a4;
  --cyan:         #8be9fd;
  --green:        #50fa7b;
  --orange:       #ffb86c;
  --pink:         #ff79c6;
  --purple:       #bd93f9;
  --red:          #ff5555;
  --yellow:       #f1fa8c;
}

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

body {
  background-color: var(--bg);
  font-family: 'Courier New', Courier, monospace;
  color: var(--foreground);
  overflow: hidden;
}

/* ── Canvas wrapper ── */
#PIclouds {
  display: block;
}

/* ── Header overlay ── */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  background: linear-gradient(to bottom, rgba(40,42,54,0.92) 0%, rgba(40,42,54,0) 100%);
  pointer-events: none;
}

#header h1 {
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

#header h1 .accent-n { color: var(--purple); }
#header h1 .accent-p { color: var(--cyan); }
#header h1 .accent-i { color: var(--pink); }

#header .pi-value {
  font-size: 0.75rem;
  color: var(--comment);
  letter-spacing: 0.06em;
  max-width: 480px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* ── Footer overlay ── */
#footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  background: linear-gradient(to top, rgba(40,42,54,0.92) 0%, rgba(40,42,54,0) 100%);
  pointer-events: none;
}

/* ── Legend chips ── */
.legend {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.chip {
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(68,71,90,0.75);
  border: 1px solid;
  backdrop-filter: blur(4px);
  white-space: nowrap;
}

.chip-purple { color: var(--purple); border-color: var(--purple); }
.chip-cyan   { color: var(--cyan);   border-color: var(--cyan);   }
.chip-pink   { color: var(--pink);   border-color: var(--pink);   }
.chip-green  { color: var(--green);  border-color: var(--green);  }
.chip-yellow { color: var(--yellow); border-color: var(--yellow); }
.chip-orange { color: var(--orange); border-color: var(--orange); }

/* ── Digit counter badge ── */
#counter {
  font-size: 0.75rem;
  color: var(--comment);
  background: rgba(40,42,54,0.8);
  border: 1px solid var(--current-line);
  border-radius: 6px;
  padding: 4px 12px;
  backdrop-filter: blur(4px);
  pointer-events: none;
}

#counter span {
  color: var(--green);
  font-weight: bold;
}