/* Scoped cyberpunk tool styles. No global selectors. BEM-style class names. */
.cybertool-3digit { --tool-prefix: cybertool; }

/* Theming variables (kept inside the tool scope) */
.cybertool-3digit {
  --neon-cyan: #00f3ff;
  --cyber-purple: #7028e4;
  --matrix-green: #00ff9d;
  --cyber-black: #0a0a12;
  --hologram-gradient: linear-gradient(45deg, var(--cyber-purple), var(--neon-cyan));
  --glass-bg: rgba(255,255,255,0.03);
  --panel-radius: 14px;
  --gap: 18px;
  --text-glow: 0 0 10px rgba(0,243,255,0.08);
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", "Courier New", monospace;
  box-sizing: border-box;
}

/* Base layout */
.cybertool-3digit.cybertool {
  font-family: var(--font-mono);
  color: #e8eefb;
  background: radial-gradient(1200px 600px at 10% 10%, rgba(112,40,228,0.08), transparent),
              linear-gradient(180deg, rgba(10,10,18,0.95), rgba(5,5,8,0.95));
  border-radius: 18px;
  padding: 18px;
  overflow: hidden;
  position: relative;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  max-width: 980px;
}

/* Holographic header */
.cybertool__header {
  text-align: center;
  margin-bottom: 12px;
  pointer-events: none;
}
.cybertool__title {
  display: inline-block;
  padding: 8px 18px;
  font-size: 18px;
  letter-spacing: 1px;
  font-weight: 600;
  background: linear-gradient(90deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.04);
  backdrop-filter: blur(6px) saturate(120%);
  box-shadow: 0 6px 30px rgba(112,40,228,0.06), var(--text-glow);
  color: white;
}

/* Split layout (mobile-first) */
.cybertool__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  align-items: start;
}

/* Panels */
.cybertool__controls--panel,
.cybertool__output--panel {
  background: linear-gradient(180deg, rgba(255,255,255,0.012), rgba(255,255,255,0.008));
  border-radius: var(--panel-radius);
  padding: 14px;
  min-height: 220px;
  border: 1px solid rgba(255,255,255,0.03);
  box-shadow: 0 10px 30px rgba(0,0,0,0.6), 0 0 60px rgba(112,40,228,0.02) inset;
  position: relative;
}

/* Heading styles */
.cybertool__heading {
  font-size: 13px;
  margin: 0 0 10px 0;
  opacity: 0.95;
}

/* Inputs & controls */
.cybertool__label { display:block; margin-bottom:12px; }
.cybertool__label-text { display:block; font-size:12px; margin-bottom:6px; opacity:0.9; }
.cybertool__input {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.04);
  background: linear-gradient(180deg, rgba(0,0,0,0.25), rgba(255,255,255,0.01));
  outline: none;
  color: #e8eefb;
  font-size: 16px;
  transition: transform 220ms ease, box-shadow 220ms ease;
}
.cybertool__input:focus {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,243,255,0.06), 0 0 30px rgba(112,40,228,0.04);
  border-image: linear-gradient(90deg,var(--neon-cyan),var(--cyber-purple)) 1;
}

/* Checkbox row */
.cybertool__checkbox { display:flex; align-items:center; gap:10px; margin-bottom:10px; font-size:13px; }
.cybertool__checkbox-input { width:18px; height:18px; accent-color: var(--neon-cyan); }

/* Buttons */
.cybertool__controls-row { display:flex; gap:10px; margin-bottom:12px; }
.cybertool__btn {
  min-height:44px;
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.04);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  transition: transform 180ms ease, box-shadow 180ms ease;
  font-weight:600;
  letter-spacing:0.6px;
}
.cybertool__btn:active { transform: translateY(1px) scale(0.998); }
.cybertool__btn--primary {
  background: var(--hologram-gradient);
  color: #05040b;
  box-shadow: 0 8px 40px rgba(112,40,228,0.16);
  border: none;
}
.cybertool__btn--primary:hover { filter: brightness(1.03); }
.cybertool__btn--ghost {
  background: transparent;
  border: 1px dashed rgba(255,255,255,0.04);
}

/* Small actions row */
.cybertool__small-actions { display:flex; gap:8px; margin-bottom:8px; flex-wrap:wrap; }
.cybertool__action {
  padding:8px 10px;
  min-height:44px;
  border-radius:10px;
  background:whitesmoke;
  border:1px solid rgba(255,255,255,0.03);
  cursor:pointer;
  font-size:13px;
}

/* Status */
.cybertool__status { font-size:12px; color: rgba(200,220,255,0.8); margin-top:6px; }

/* Output display */
.cybertool__display {
  min-height:120px;
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:10px;
  flex-wrap:wrap;
  padding:8px;
  border-radius:10px;
  transition: background 320ms ease;
}

/* Placeholder */
.cybertool__placeholder { opacity:0.55; font-size:13px; }

/* Number cards */
.cybertool__card {
  min-width:86px;
  min-height:86px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:32px;
  font-weight:700;
  border-radius:12px;
  padding:10px;
  letter-spacing:2px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.04);
  box-shadow: 0 10px 30px rgba(0,0,0,0.6);
  cursor: default;
  transition: transform 240ms cubic-bezier(.2,.9,.2,1), box-shadow 240ms;
  user-select: all;
}
.cybertool__card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 24px 60px rgba(0,0,0,0.6), 0 0 40px rgba(0,255,157,0.03);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(0,255,157,0.02));
}

/* Glow text accent for numbers */
.cybertool__card--accent {
  color: #000;
  background: linear-gradient(90deg, var(--neon-cyan), var(--matrix-green));
  text-shadow: 0 2px 12px rgba(0,255,157,0.18);
}

/* History list */
.cybertool__history-wrap { margin-top:12px; }
.cybertool__subheading { font-size:12px; margin:6px 0; opacity:0.9; }
.cybertool__history { list-style:none; padding:0; margin:0; max-height:120px; overflow:auto; display:flex; gap:8px; flex-wrap:wrap; }

/* Tiny history tag */
.cybertool__history-item {
  font-size:12px;
  padding:6px 8px;
  border-radius:8px;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.02);
}

/* Footer */
.cybertool__footer { margin-top:12px; font-size:11px; opacity:0.6; }

/* Dynamic background special effects (particles & animated gradient) */
.cybertool-3digit::before,
.cybertool-3digit::after {
  content: "";
  position: absolute;
  inset: -20%;
  z-index: 0;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.08;
}
.cybertool-3digit::before {
  background: radial-gradient(circle at 10% 20%, var(--cyber-purple), transparent 20%),
              radial-gradient(circle at 80% 70%, var(--neon-cyan), transparent 20%);
  transform: rotate(6deg);
  filter: blur(60px);
}
.cybertool-3digit::after {
  background: repeating-linear-gradient(45deg, rgba(255,255,255,0.01) 0 2px, transparent 2px 6px);
  mix-blend-mode: overlay;
  transform: rotate(-6deg);
  filter: blur(20px);
}

/* Responsive: desktop horizontal split */
@media (min-width: 600px) {
  .cybertool__split {
    grid-template-columns: 40% 60%;
    gap: 20px;
  }
  .cybertool__display { justify-content:flex-start; }
}

/* Accessibility - ensure 44px touch targets */
.cybertool__btn, .cybertool__action, .cybertool__input { min-height:44px; }

/* Loading animation for cards */
@keyframes cybertool-pulse {
  0% { transform: scale(0.98); opacity:0.9; filter: blur(0.2px); }
  50% { transform: scale(1.02); opacity:1; filter: blur(0); }
  100% { transform: scale(0.98); opacity:0.9; filter: blur(0.2px); }
}

/* Tiny hover-activated gradient effect for the main container */
.cybertool__controls--panel:hover,
.cybertool__output--panel:hover {
  background: linear-gradient(180deg, rgba(255,255,255,0.016), rgba(255,255,255,0.01));
  box-shadow: 0 14px 40px rgba(112,40,228,0.05);
}

/* Micro-animations for newly added cards */
.cybertool__card.cybertool__card--loading {
  animation: cybertool-pulse 700ms ease-in-out;
}

/* Make sure internal elements are above the decorative pseudo elements */
.cybertool__inner { position: relative; z-index: 2; }

/* Prevent global style pollution by resetting only inside the tool scope */
.cybertool-3digit input, .cybertool-3digit button { font-family: var(--font-mono); }