/* ─── Reset ─── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ─── Root vars ─── */
:root {
  --green:       #F7931A;
  --green-dim:   #c0700d;
  --green-dark:  #4a2a04;
  --green-ghost: rgba(247, 147, 26, 0.08);
  --black:       #000000;
}

/* ─── Body ─── */
body {
  background: var(--black);
  overflow: hidden;
  font-family: 'VT323', monospace;
  color: var(--green);
  cursor: default;
}

/* ─── Matrix canvas ─── */
#matrix {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

/* ─── Overlay ─── */
#overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

/* ─── Price card ─── */
#price-card {
  text-align: center;
  background: rgba(0, 0, 0, 0.82);
  border: 1px solid var(--green-dim);
  padding: clamp(24px, 5vw, 56px) clamp(32px, 8vw, 96px);
  box-shadow:
    0 0 40px rgba(247, 147, 26, 0.08),
    inset 0 0 60px rgba(247, 147, 26, 0.03);
  position: relative;
}

/* corner accents */
#price-card::before,
#price-card::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--green);
  border-style: solid;
}

#price-card::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}

#price-card::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

/* ─── Label ─── */
#label {
  font-size: clamp(1.2rem, 3vw, 2rem);
  letter-spacing: 0.5em;
  color: var(--green-dim);
  margin-bottom: 8px;
}

/* ─── Price ─── */
#price {
  font-size: clamp(3.5rem, 13vw, 10rem);
  line-height: 1;
  color: var(--green);
  text-shadow:
    0 0 10px var(--green),
    0 0 40px rgba(247, 147, 26, 0.4);
  letter-spacing: -0.02em;
  animation: flicker 8s infinite;
}

/* ─── Change ─── */
#change {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  letter-spacing: 0.2em;
  margin-top: 8px;
  min-height: 1.6em;
  color: var(--green-dim);
}

#change.positive { color: var(--green); }
#change.negative { color: #ff2200; text-shadow: 0 0 8px rgba(255,34,0,0.5); }

/* ─── Updated timestamp ─── */
#updated {
  font-size: clamp(0.7rem, 1.5vw, 1rem);
  color: var(--green-dark);
  letter-spacing: 0.15em;
  margin-top: 20px;
}

/* ─── Scanline overlay ─── */
#overlay::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.07) 2px,
    rgba(0, 0, 0, 0.07) 4px
  );
  pointer-events: none;
}

/* ─── Flicker animation ─── */
@keyframes flicker {
  0%,   95%,  100% { opacity: 1; }
  96%              { opacity: 0.92; }
  97%              { opacity: 1; }
  98%              { opacity: 0.95; }
  99%              { opacity: 1; }
}

/* ─── Pulse on price update ─── */
@keyframes pulse-update {
  0%   { text-shadow: 0 0 10px var(--green), 0 0 40px rgba(247,147,26,0.4); }
  50%  { text-shadow: 0 0 20px var(--green), 0 0 80px rgba(247,147,26,0.8), 0 0 120px rgba(247,147,26,0.3); }
  100% { text-shadow: 0 0 10px var(--green), 0 0 40px rgba(247,147,26,0.4); }
}

#price.updating {
  animation: pulse-update 0.6s ease-in-out, flicker 8s infinite;
}