.phs-root {
  --phs-orange: #ff4d00;
  --phs-orange-hover: #e64500;
  --phs-orange-glow: rgba(255, 77, 0, 0.08);
  --phs-orange-glow-hover: rgba(255, 77, 0, 0.12);
  --phs-orange-border: rgba(255, 77, 0, 0.4);
  --phs-orange-focus: rgba(255, 77, 0, 0.12);
  --phs-orange-shadow: rgba(255, 77, 0, 0.4);
  --phs-cyan: #00c8d4;
  --phs-cyan-border: rgba(0, 200, 212, 0.3);
  --phs-cyan-glow: rgba(0, 200, 212, 0.15);
  --phs-cyan-bg: rgba(0, 200, 212, 0.04);
  --phs-ok: #059669;
  --phs-bg: #fff;
  --phs-bg-panel: #f8fafc;
  --phs-bg-input: #f1f5f9;
  --phs-bg-input-focus: #e2e8f0;
  --phs-bg-btn: #f1f5f9;
  --phs-bg-vis: #050505;
  --phs-bg-stat: #f1f5f9;
  --phs-slider-track: linear-gradient(90deg, #e2e8f0 0%, #cbd5e1 50%, #e2e8f0 100%);
  --phs-text: #0f172a;
  --phs-text-muted: rgba(15, 23, 42, 0.55);
  --phs-text-dim: rgba(15, 23, 42, 0.45);
  --phs-border: rgba(0, 0, 0, 0.1);
  --phs-border-faint: rgba(0, 0, 0, 0.06);

  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 2.5rem;
  background: var(--phs-bg);
  border-radius: 32px;
  border: 2px solid var(--phs-orange);
  color: var(--phs-text);
  max-width: 1200px;
  margin: 2rem auto;
  box-shadow:
    0 0 50px var(--phs-orange-glow),
    inset 0 0 20px var(--phs-cyan-bg);
  transition: box-shadow 0.3s ease;
}

.phs-root:hover {
  box-shadow:
    0 0 60px var(--phs-orange-glow-hover),
    inset 0 0 30px rgba(0, 242, 255, 0.1);
}

.theme-dark .phs-root {
  --phs-cyan: #00f2ff;
  --phs-cyan-border: rgba(0, 242, 255, 0.3);
  --phs-cyan-glow: rgba(0, 242, 255, 0.2);
  --phs-cyan-bg: rgba(0, 242, 255, 0.05);
  --phs-ok: #0f8;
  --phs-bg: #000;
  --phs-bg-panel: #0a0a0a;
  --phs-bg-input: #111;
  --phs-bg-input-focus: #1a1a1a;
  --phs-bg-btn: #111;
  --phs-bg-vis: #020202;
  --phs-bg-stat: #111;
  --phs-slider-track: linear-gradient(90deg, #1a1a1a 0%, #333 50%, #1a1a1a 100%);
  --phs-text: #fff;
  --phs-text-muted: rgba(255, 255, 255, 0.5);
  --phs-text-dim: rgba(255, 255, 255, 0.4);
  --phs-border: rgba(255, 255, 255, 0.1);
  --phs-border-faint: rgba(255, 255, 255, 0.05);
  --phs-orange-glow: rgba(255, 77, 0, 0.15);
  --phs-orange-glow-hover: rgba(255, 77, 0, 0.2);
}

.phs-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  background: var(--phs-bg-panel);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--phs-orange-border);
}

.phs-field {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.phs-label {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--phs-orange);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.phs-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.phs-fine-tune {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.phs-tune-btn {
  background: var(--phs-bg-input);
  border: 1px solid var(--phs-border);
  color: var(--phs-text);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s;
}

.phs-tune-btn:hover {
  background: var(--phs-orange);
  border-color: var(--phs-orange);
}

.phs-input {
  width: 100%;
  background: var(--phs-bg-input);
  border: 1px solid var(--phs-border);
  border-radius: 12px;
  padding: 1rem;
  color: var(--phs-text);
  font-size: 1.5rem;
  font-weight: 700;
  transition: all 0.3s ease;
}

.phs-input:focus {
  outline: none;
  border-color: var(--phs-orange);
  background: var(--phs-bg-input-focus);
  box-shadow: 0 0 0 4px var(--phs-orange-focus);
}

.phs-select {
  background: var(--phs-bg-input);
  border: 1px solid var(--phs-border);
  border-radius: 12px;
  padding: 1rem;
  color: var(--phs-text);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}

.phs-unit-label {
  font-size: 0.85rem;
  color: var(--phs-text-muted);
  white-space: nowrap;
}

.phs-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.phs-preset-btn {
  background: var(--phs-bg-btn);
  border: 1px solid var(--phs-border);
  color: var(--phs-text);
  padding: 0.75rem 1.25rem;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.phs-preset-btn:hover {
  background: var(--phs-orange);
  border-color: var(--phs-orange);
}

.phs-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-top: 1rem;
}

.phs-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  background: var(--phs-bg-btn);
  padding: 0.75rem 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--phs-border);
  color: var(--phs-text);
  transition: all 0.2s;
}

.phs-slider-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.phs-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--phs-slider-track);
  border-radius: 6px;
  outline: none;
  border: 1px solid var(--phs-border-faint);
}

.phs-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--phs-orange);
  cursor: pointer;
  border-radius: 50%;
  box-shadow: 0 0 10px var(--phs-orange-shadow);
}

.phs-copy-btn {
  background: var(--phs-orange);
  color: #fff;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-weight: 800;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.phs-copy-btn:hover {
  background: var(--phs-orange-hover);
  transform: translateY(-2px);
}

.phs-copy-btn:active {
  transform: translateY(1px);
}

.phs-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.phs-result-card {
  background: var(--phs-bg-panel);
  border-radius: 24px;
  padding: 2rem;
  border: 1px solid var(--phs-border-faint);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.phs-result-card-accent {
  border-color: var(--phs-cyan-border);
  background: radial-gradient(circle at top right, var(--phs-cyan-bg), transparent);
}

.phs-result-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--phs-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.phs-result-value {
  font-size: 3rem;
  font-weight: 900;
  color: var(--phs-orange);
}

.phs-result-cyan {
  color: var(--phs-cyan);
}

.phs-result-unit {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.3);
  font-weight: 600;
}

.phs-visualizer {
  background:
    radial-gradient(circle at center, var(--phs-cyan-bg) 0%, transparent 70%),
    var(--phs-bg-vis);
  border-radius: 24px;
  padding: 1.5rem;
  border: 1px solid var(--phs-border-faint);
  height: 300px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.phs-canvas {
  width: 100%;
  height: 100%;
}

.phs-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.phs-stat {
  background: var(--phs-bg-stat);
  padding: 1rem;
  border-radius: 12px;
  border-left: 4px solid var(--phs-orange);
}

.phs-stat-label {
  font-size: 0.65rem;
  color: var(--phs-text-dim);
  text-transform: uppercase;
  font-weight: 800;
  display: block;
}

.phs-stat-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--phs-text);
}

@media (max-width: 768px) {
  .phs-root {
    padding: 1.25rem;
    gap: 1.25rem;
    border-radius: 20px;
  }

  .phs-panel {
    padding: 1.25rem;
    grid-template-columns: 1fr;
  }

  .phs-results {
    grid-template-columns: 1fr;
  }

  .phs-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .phs-toggle,
  .phs-copy-btn {
    width: 100%;
    justify-content: center;
  }

  .phs-result-card {
    padding: 1.5rem;
  }

  .phs-result-value {
    font-size: 2.25rem;
  }

  .phs-input {
    font-size: 1.25rem;
    padding: 0.75rem;
  }

  .phs-visualizer {
    height: 200px;
    padding: 1rem;
  }

  .phs-details {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .phs-root {
    padding: 0.75rem;
    gap: 1rem;
  }

  .phs-result-value {
    font-size: 1.75rem;
  }

  .phs-stat-value {
    font-size: 0.9rem;
  }
}

.phs-indicator {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.8);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  border: 1px solid transparent;
}

.phs-ok {
  color: var(--phs-ok, #059669);
  border-color: var(--phs-ok, #059669);
}

.phs-warning {
  color: var(--phs-orange, #ff4d00);
  border-color: var(--phs-orange, #ff4d00);
  animation: phs-flash 1s infinite;
}

@keyframes phs-flash {
  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

.phs-toggle.phs-toggle-active {
  border-color: #00f2ff;
  color: #00f2ff;
  box-shadow: 0 0 15px rgba(0, 242, 255, 0.2);
}