:root {
  --neon-cyan: #00f3ff;
  --cyber-purple: #7028e4;
  --matrix-green: #00ff9d;
  --cyber-black: #0a0a12;
  --hologram-gradient: linear-gradient(45deg, var(--cyber-purple), var(--neon-cyan));

  --ct-gap: 16px;
  --ct-radius: 12px;
  --ct-touch: 44px;
  --ct-font: ui-monospace, "Roboto Mono", monospace;
  --ct-transition: 200ms ease-in-out;
  --ct-blur: 6px;
  --ct-maxwidth: 1000px;
}

/* Root container */
.cybertool {
  position: relative;
  max-width: var(--ct-maxwidth);
  margin: 0 auto;
  padding: 24px;
  background: var(--cyber-black);
  color: #fff;
  font-family: var(--ct-font);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--ct-radius);
  overflow: hidden;
}

/* Background canvas for particles */
.cybertool__bgcanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Inner stacking */
.cybertool__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--ct-gap);
}

/* Header area */
.cybertool__header {
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 12px;
}
.cybertool__title {
  font-size: 20px;
  background: var(--hologram-gradient);
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: bold;
}

/* Split layout */
.cybertool__split {
  display: flex;
  flex-direction: column;
  gap: var(--ct-gap);
}
@media (min-width: 600px) {
  .cybertool__split {
    flex-direction: row;
  }
}
.cybertool__pane {
  flex: 1;
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--ct-radius);
  background: rgba(20, 20, 32, 0.85);
  display: flex;
  flex-direction: column;
  gap: var(--ct-gap);
}
.cybertool__pane--input {
  /* input pane specific if needed */
}
.cybertool__pane--output {
  /* output pane specific if needed */
}

/* Pane headers */
.cybertool__pane-header {
  font-size: 14px;
  color: var(--neon-cyan);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  margin-bottom: 8px;
  padding-bottom: 6px;
}

/* Form groups */
.cybertool__form-group {
  display: flex;
  flex-direction: column;
}
.cybertool__label {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 4px;
}
.cybertool__input,
.cybertool__select {
  min-height: var(--ct-touch);
  padding: 8px 10px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  background: rgba(255,255,255,0.04);
  color: #fff;
  font-size: 13px;
  outline: none;
  transition: box-shadow var(--ct-transition), border-color var(--ct-transition);
}
.cybertool__input:focus,
.cybertool__select:focus {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px var(--neon-cyan);
}

/* Buttons */
.cybertool__buttons {
  display: flex;
  gap: var(--ct-gap);
  margin-top: 8px;
}
.cybertool__btn {
  min-height: var(--ct-touch);
  padding: 0 14px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: transform var(--ct-transition), box-shadow var(--ct-transition);
}
.cybertool__btn--primary {
  background: var(--hologram-gradient);
  color: #000;
}
.cybertool__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0,243,255,0.4);
}
.cybertool__btn--secondary {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.cybertool__btn--compact {
  padding: 0 10px;
  min-width: 80px;
}

/* Loading status */
.cybertool__status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}
.cybertool__loader {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--neon-cyan);
  animation: ct-spin 1s linear infinite;
}
@keyframes ct-spin {
  to { transform: rotate(360deg); }
}

/* Output controls above list */
.cybertool__output-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.cybertool__input--small {
  width: 60px;
  padding: 6px 8px;
}

/* Output list */
.cybertool__output-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cybertool__title-item {
  background: rgba(50, 50, 80, 0.7);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 8px;
  display: flex;
  justify-content: space-between;
  transition: background var(--ct-transition), transform var(--ct-transition);
}
.cybertool__title-item:hover {
  background: rgba(80, 80, 120, 0.9);
  transform: translateY(-2px);
}
.cybertool__title-text {
  font-size: 14px;
  color: #fff;
  flex: 1;
}
.cybertool__title-actions {
  display: flex;
  gap: 6px;
}
.cybertool__action-btn {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 4px;
  min-height: var(--ct-touch);
  padding: 6px 8px;
  font-size: 13px;
  cursor: pointer;
  transition: background var(--ct-transition);
}
.cybertool__action-btn:hover {
  background: rgba(255,255,255,0.25);
}

/* Preview & score section */
.cybertool__preview-section {
  margin-top: var(--ct-gap);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cybertool__preview-label {
  font-size: 12px;
  color: rgba(255,255,255,0.8);
}
.cybertool__preview-text {
  font-size: 13px;
  background: rgba(255,255,255,0.1);
  padding: 8px;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.12);
}
.cybertool__scorebar {
  height: 10px;
  background: rgba(255,255,255,0.1);
  border-radius: 5px;
  overflow: hidden;
}
.cybertool__score-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--matrix-green), var(--neon-cyan));
  transition: width 400ms ease-out;
}

/* Export buttons */
.cybertool__export-buttons {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

/* Footer */
.cybertool__footer {
  text-align: center;
  margin-top: var(--ct-gap);
  font-size: 11px;
  color: rgba(255,255,255,0.6);
}