:root {
  --bg-color: #0f172a;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --surface-color: rgba(30, 41, 59, 0.7);
  --surface-border: rgba(255, 255, 255, 0.1);
  --accent-color: #3b82f6;
  --font-family: 'Inter', -apple-system, sans-serif;
  --transition-speed: 0.2s;

  --fs-header: 18px;
  --fs-label: 16px;
  --fs-toggle: 16px;
  --fs-input: 16px;

  /* Ambient Gradients */
  --bg-gradient-1: rgba(59, 131, 246, 0.058);
  --bg-gradient-2: rgba(99, 102, 241, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg-color);
  overflow: hidden;
  height: 100vh;
  font-family: var(--font-family);
  color: var(--text-main);
  background-image:
    radial-gradient(circle at 50% 50%, var(--bg-gradient-1) 0%, transparent 60%),
    radial-gradient(circle at 10% 10%, var(--bg-gradient-2) 0%, transparent 40%);
}

.professional-panel {
  position: absolute;
  top: 30px;
  right: 30px;
  /* Moved to right for a modern dashboard look */
  z-index: 10;
  background: var(--surface-color);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 24px;
  border-radius: 16px;
  border: 1px solid var(--surface-border);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  width: 320px;
}

.panel-header h1 {
  font-size: var(--fs-header);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-main);
  margin: 0 0 24px 0;
  font-weight: 600;
  border-bottom: 1px solid var(--surface-border);
  padding-bottom: 12px;
}

.control-group {
  margin-bottom: 24px;
}

.label {
  font-size: var(--fs-label);
  font-weight: 500;
  margin-bottom: 10px;
  display: block;
  color: var(--text-muted);
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.label-row .label {
  margin-bottom: 0;
}

.mini-input {
  width: 60px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--surface-border);
  color: var(--accent-color);
  border-radius: 6px;
  padding: 4px;
  text-align: center;
  font-weight: 600;
  font-family: var(--font-family);
  font-size: var(--fs-input);
  outline: none;
}

/* Range Slider */
input[type=range] {
  width: 100%;
  -webkit-appearance: none;
  background: transparent;
  cursor: pointer;
}

input[type=range]::-webkit-slider-runnable-track {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  height: 16px;
  width: 16px;
  border-radius: 50%;
  background: var(--text-main);
  margin-top: -6px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
  transition: transform 0.1s;
}

input[type=range]:active::-webkit-slider-thumb {
  transform: scale(1.2);
  background: var(--accent-color);
}

/* SlimSelect Overrides for Dark Theme */
.ss-main {
  background-color: rgba(0, 0, 0, 0.4) !important;
  border: 1px solid var(--surface-border) !important;
  border-radius: 12px !important;
  padding: 4px 8px !important;
  transition: border-color 0.2s ease !important;
  color: #f8fafc;
}

.ss-main:focus {
  border-color: var(--accent-color) !important;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2) !important;
}

.ss-main .ss-single-selected {
  background-color: transparent !important;
  color: #fff !important;
  height: 32px !important;
  font-size: var(--fs-input) !important;
}

.ss-main .ss-single-selected .ss-arrow span {
  border-color: var(--text-muted) !important;
}

.ss-content {
  background-color: #1a1f2b !important;
  border: 1px solid var(--surface-border) !important;
  border-radius: 12px !important;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6) !important;
  margin-top: 8px !important;
  color: #fff !important;
}

.ss-content .ss-list .ss-option {
  padding: 10px 15px !important;
  color: rgba(255, 255, 255, 0.8) !important;
  transition: all 0.2s ease !important;
  font-size: var(--fs-input) !important;
}

.ss-content .ss-list .ss-option:hover,
.ss-content .ss-list .ss-option.ss-highlighted {
  background-color: var(--accent-color) !important;
  color: #fff !important;
}

.ss-content .ss-list .ss-option.ss-disabled {
  color: var(--text-muted) !important;
}

.ss-content .ss-search input {
  background-color: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid var(--surface-border) !important;
  color: #fff !important;
  border-radius: 6px !important;
}

/* Modern Toggles */
.toggle-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toggle-row-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.toggle-label {
  font-size: var(--fs-toggle);
  color: var(--text-main);
  font-weight: 400;
}

.switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.1);
  transition: .3s;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.switch-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background-color: #94a3b8;
  transition: .3s;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

input:checked+.switch-slider {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
}

input:checked+.switch-slider:before {
  transform: translateX(20px);
  background-color: white;
}

canvas {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
}