/* ============================================================================
   scalings.xyz — Clean Dark + Cyberpunk Hints
   ============================================================================ */

/* --- CSS Custom Properties --- */
:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #222244;
  --bg-input: #2a2a4a;
  --text-primary: #d4d4d8;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --cyan: #22d3ee;
  --cyan-dim: rgba(34, 211, 238, 0.4);
  --cyan-glow: rgba(34, 211, 238, 0.08);
  --purple: #a78bfa;
  --purple-dim: rgba(167, 139, 250, 0.4);
  --purple-glow: rgba(167, 139, 250, 0.08);
  --lime: #84cc16;
  --lime-dim: rgba(132, 204, 22, 0.5);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.5);
  --amber: #fbbf24;
  --border-subtle: rgba(113, 113, 122, 0.25);
  --border-neon: rgba(34, 211, 238, 0.18);
  --font-heading: 'JetBrains Mono', 'Fira Code', monospace;
  --font-retro: 'VT323', monospace;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Arial, sans-serif;
  --radius: 4px;
  --card-padding: 1rem;
  --transition: 0.15s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* --- Chart.js Load Error Banner --- */
.chartjs-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--red-dim);
  color: var(--red);
  padding: 0.75rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  border-radius: var(--radius);
  margin: 0.75rem auto;
  max-width: 1200px;
}

/* --- Simulation Placeholder --- */
.sim-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
  text-align: center;
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius);
}

.sim-placeholder .placeholder-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  opacity: 0.4;
}

.sim-placeholder p {
  font-size: 0.9rem;
  max-width: 400px;
  line-height: 1.6;
}

.sim-placeholder strong {
  color: var(--cyan);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--cyan-dim);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cyan);
}

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.config-params-row {
  display: flex;
  gap: 1rem;
  align-items: stretch;
}

.config-params-row > section {
  flex: 1;
  min-width: 0;
}

/* --- Header --- */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 0.75rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.header-docs-btn {
  text-decoration: none;
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-color: var(--border-subtle);
}

.header-docs-btn:hover,
.header-feedback-btn:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.feedback-wrapper {
  position: relative;
}

.header-feedback-btn {
  font-size: 0.75rem;
  color: var(--text-secondary);
  border-color: var(--border-subtle);
  cursor: pointer;
}

.feedback-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 0.4rem);
  right: 0;
  background: var(--card-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  min-width: 170px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  z-index: 100;
  overflow: hidden;
}

.feedback-dropdown.open {
  display: block;
}

.feedback-dropdown a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.8rem;
  transition: background 0.15s, color 0.15s;
}

.feedback-dropdown a:hover {
  background: var(--input-bg);
  color: var(--cyan);
}

.feedback-dropdown a + a {
  border-top: 1px solid var(--border-subtle);
}

.github-badge {
  color: var(--text-muted);
  transition: color 0.2s;
  display: flex;
  align-items: center;
}

.github-badge:hover {
  color: var(--text-primary);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0;
  margin: 0;
}

.logo-dot {
  color: var(--cyan);
}

/* --- Section Headings --- */
.section-heading {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border-subtle);
}

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: var(--card-padding);
  margin-bottom: 0.75rem;
}

.card.purple-border {
  border-left: 3px solid var(--purple-dim);
  padding: 0.75rem var(--card-padding);
}

.card.lime-border {
  border-left: 3px solid var(--lime-dim);
  padding: 0.75rem var(--card-padding);
}

.card.red-border {
  border-left: 3px solid var(--red-dim);
  padding: 0.75rem var(--card-padding);
}

.card.cyan-border {
  border-left: 3px solid var(--cyan-dim);
  padding: 0.75rem var(--card-padding);
}

/* --- Queue Mode Toggle --- */
.queue-toggle-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.queue-mode-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.queue-mode-toggle input[type="checkbox"] {
  accent-color: var(--cyan);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.queue-params {
  margin-top: 0.75rem;
}

.queue-params.hidden {
  display: none;
}

#queue-unlimited-btn.active {
  background: var(--cyan);
  color: var(--bg-primary);
  border-color: var(--cyan);
}

/* --- Fieldset & Legend --- */
fieldset {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1.2rem;
  margin: 0;
}

legend {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--purple);
  text-transform: none;
  letter-spacing: 0;
  padding: 0 0.5rem;
}

.red-border legend {
  color: var(--red);
}

/* --- Parameter Rows --- */
.param-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  min-height: 32px;
}

.param-row label {
  min-width: 180px;
  max-width: 180px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.param-row input[type="number"] {
  width: 100px;
  flex-shrink: 0;
}

.param-row .unit {
  min-width: 28px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* --- Slider Styling --- */
.neon-slider {
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.neon-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  border: 2px solid var(--bg-primary);
  cursor: pointer;
  transition: box-shadow var(--transition);
}

.neon-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 6px var(--cyan-dim);
}

.neon-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--cyan);
  border: 2px solid var(--bg-primary);
  cursor: pointer;
}

.neon-slider::-moz-range-track {
  height: 6px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
}

/* --- Input Styling --- */
input[type="number"],
input[type="text"],
select,
textarea {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.4rem 0.6rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

input[type="number"]:focus,
input[type="text"]:focus,
select:focus,
textarea:focus {
  border-color: var(--cyan-dim);
  box-shadow: 0 0 8px var(--cyan-glow);
}

input[type="number"] {
  text-align: right;
  -moz-appearance: textfield;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  opacity: 0.5;
}

select {
  cursor: pointer;
  padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%2364748b' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  -webkit-appearance: none;
  appearance: none;
}

textarea {
  width: 100%;
  min-height: 100px;
  resize: vertical;
  font-size: 0.8rem;
}

/* --- Buttons --- */
button, .btn {
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--border-neon);
  border-radius: var(--radius);
  background: var(--bg-input);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

button:hover, .btn:hover {
  background: rgba(34, 211, 238, 0.08);
  border-color: var(--cyan-dim);
}

button:active, .btn:active {
  background: rgba(34, 211, 238, 0.12);
}

.btn-primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--bg-primary);
  font-size: 0.9rem;
  padding: 0.6rem 2rem;
  font-weight: 600;
}

.btn-primary:hover {
  background: #06b6d4;
  border-color: #06b6d4;
  box-shadow: 0 0 12px var(--cyan-glow);
}

.btn-primary.running {
  animation: pulse-glow 1.5s ease-in-out infinite;
  pointer-events: none;
}

.btn-secondary {
  border-color: var(--purple-dim);
  color: var(--purple);
}

.btn-secondary:hover {
  background: rgba(167, 139, 250, 0.1);
  border-color: var(--purple);
}

.btn-small {
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
}

/* --- Tooltip --- */
.tooltip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid var(--text-muted);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.65rem;
  font-weight: bold;
  cursor: help;
  padding: 0;
  position: relative;
  flex-shrink: 0;
}

.tooltip-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: none;
  box-shadow: none;
}

.tooltip-btn:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: normal;
  font-family: var(--font-body);
  width: max-content;
  max-width: 280px;
  z-index: 100;
  line-height: 1.4;
  white-space: normal;
}

/* --- Platform Selector --- */
.platform-select-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.platform-select-row label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.platform-select-row select {
  min-width: 250px;
}

/* --- Preset Buttons --- */
.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.preset-btn {
  font-size: 0.75rem;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  color: var(--text-secondary);
}

.preset-btn:hover {
  border-color: var(--purple-dim);
  color: var(--purple);
  background: rgba(167, 139, 250, 0.08);
}

.preset-btn--reset {
  border-style: dashed;
  color: var(--text-muted);
}

.preset-btn--reset:hover {
  border-color: var(--text-muted);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

/* --- Simulation Name --- */
.sim-name-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.sim-name-row input {
  flex: 1;
  max-width: 400px;
}

/* --- Advanced Section (Collapsible) --- */
.toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  color: var(--purple);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: none;
  letter-spacing: 0;
  padding: 0;
  cursor: pointer;
  margin: 0;
}

.toggle-btn:hover {
  color: var(--cyan);
  transform: none;
  box-shadow: none;
  background: transparent;
}

.toggle-arrow {
  font-size: 0.7rem;
  transition: transform 0.3s ease;
}

.toggle-btn.expanded .toggle-arrow {
  transform: rotate(90deg);
}

.collapsible-content {
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.3s ease;
  max-height: 2000px;
  opacity: 1;
}

.collapsible-content.collapsed {
  max-height: 0;
  opacity: 0;
}

/* --- Traffic Pattern Selector --- */
.pattern-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.pattern-selector input[type="radio"] {
  display: none;
}

.pattern-label {
  display: inline-block;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.pattern-label:hover {
  border-color: var(--cyan-dim);
  color: var(--cyan);
}

.pattern-label.active {
  border-color: var(--cyan);
  background: rgba(34, 211, 238, 0.1);
  color: var(--cyan);
}

.pattern-params {
  display: none;
  animation: fadeIn 0.3s ease;
}

.pattern-params.active {
  display: block;
}

/* --- Traffic Preview --- */
.traffic-preview {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 0.5rem;
  margin-top: 0.5rem;
  height: 80px;
  position: relative;
  cursor: pointer;
  transition: height 0.3s ease;
}

.traffic-preview:hover {
  border-color: var(--cyan-dim);
}

.traffic-preview.expanded {
  height: 180px;
  margin-top: 0.75rem;
  cursor: default;
}

.traffic-preview canvas {
  width: 100% !important;
  height: 100% !important;
}

/* --- Simulation Controls --- */
.sim-controls-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.sim-controls-row .control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sim-controls-row label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.sim-controls-row input[type="number"] {
  width: 80px;
}

.playback-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.2rem;
}

.playback-row label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.playback-row .speed-value {
  font-family: var(--font-mono);
  color: var(--cyan);
  min-width: 40px;
}

.sim-btn-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
}

.record-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.record-toggle input[type="checkbox"] {
  accent-color: var(--cyan);
}

.btn-purge {
  font-size: 0.75rem;
  padding: 0.3rem 0.8rem;
  border: 1px dashed var(--red);
  color: var(--red);
  border-radius: 4px;
}

.btn-purge:hover {
  background: rgba(239, 68, 68, 0.1);
}

/* --- Progress Bar --- */
.progress-bar {
  width: 100%;
  height: 3px;
  background: var(--bg-input);
  border-radius: 2px;
  margin-top: 0.5rem;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  border-radius: 2px;
  transition: width 0.1s linear;
  width: 0%;
}

/* --- Output Section --- */
.hidden {
  display: none !important;
}

/* --- CRT Glow Effect (subtle cyberpunk hint) --- */
.crt-glow {
  position: relative;
  border: 1px solid var(--border-neon);
  border-radius: var(--radius);
  box-shadow: 0 0 15px var(--cyan-glow);
  padding: 1rem;
  background: rgba(26, 26, 46, 0.9);
}

.chart-container {
  position: relative;
  height: 400px;
  margin-bottom: 1.5rem;
}

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

/* --- Summary Panel --- */
.summary-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.stat-card {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.stat-card .stat-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.4rem;
}

.stat-card .stat-value {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--text-primary);
  font-weight: 600;
}

.stat-card .stat-value.danger {
  color: var(--red);
  text-shadow: 0 0 10px var(--red-dim);
}

.cost-basis-btn {
  font-size: 0.65rem;
  color: var(--cyan);
  margin-top: 0.5rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: all 0.2s;
}

.cost-basis-btn:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--cyan);
}

@keyframes highlight-pulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.5); }
  50% { box-shadow: 0 0 12px 3px rgba(0, 212, 255, 0.4); }
  100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0); }
}

.param-highlight {
  animation: highlight-pulse 0.6s ease-out 2;
  border-color: var(--cyan) !important;
}

.stat-card .stat-hint {
  font-size: 0.6rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
  opacity: 0.7;
  cursor: pointer;
}

.stat-card .stat-hint:hover {
  opacity: 1;
  color: var(--purple);
}

/* --- Decision Log --- */
.log-section {
  margin-top: 1.2rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.75rem;
}

.log-count {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-left: 0.5rem;
  font-weight: 400;
}

.log-toolbar {
  display: flex;
  gap: 0.75rem;
  padding: 0.5rem 0;
  flex-wrap: wrap;
}

.log-filter-label {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
}

.log-filter-label input[type="checkbox"] {
  width: auto;
  margin: 0;
  cursor: pointer;
  accent-color: var(--cyan);
}

.log-toolbar-sep {
  width: 1px;
  height: 1rem;
  background: var(--border-subtle);
  margin: 0 0.15rem;
  flex-shrink: 0;
}

.log-action-btn {
  font-size: 0.68rem !important;
  padding: 0.15rem 0.5rem !important;
  color: var(--text-muted);
  border-color: var(--border-subtle);
}

.log-action-btn:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.log-entries {
  max-height: 320px;
  overflow-y: auto;
  font-family: var(--font-heading);
  font-size: 0.72rem;
  line-height: 1.5;
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) transparent;
}

.log-line {
  display: flex;
  gap: 0.5rem;
  padding: 0.2rem 0.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.log-line:hover {
  background: rgba(255, 255, 255, 0.03);
}

.log-time {
  color: var(--text-muted);
  min-width: 48px;
  flex-shrink: 0;
}

.log-msg {
  color: var(--text-secondary);
}

.log-line[data-type="scale-up"] .log-msg { color: var(--cyan); }
.log-line[data-type="scale-down"] .log-msg { color: var(--purple); }
.log-line[data-type="failure"] .log-msg { color: var(--red); }
.log-line[data-type="drop"] .log-msg { color: var(--red); }
.log-line[data-type="recover"] .log-msg { color: var(--lime); }
.log-line[data-type="ready"] .log-msg { color: var(--lime); }
.log-line[data-type="shutdown"] .log-msg { color: var(--text-muted); }
.log-line[data-type="cooldown"] .log-msg { color: var(--yellow, #facc15); }
.log-line[data-type="max-replicas"] .log-msg { color: var(--yellow, #facc15); }
.log-line[data-type="min-replicas"] .log-msg { color: var(--text-muted); }

/* --- Export Section --- */
.export-cards {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.export-card {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1.2rem;
}

.export-card h3 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--lime);
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 0.5rem;
}

.export-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.export-card .btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.export-output {
  position: relative;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  margin-top: 1rem;
}

.export-output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.export-output-header span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.export-output pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
}

.export-output code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--lime);
  line-height: 1.5;
}

/* --- Docs Section --- */
.docs-content {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.docs-content h3 {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--cyan);
  text-transform: none;
  letter-spacing: 0;
  margin: 1.5rem 0 0.75rem;
}

.docs-content p {
  margin-bottom: 0.75rem;
}

.docs-content code {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  background: var(--bg-input);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius);
  color: var(--cyan);
}

.docs-content pre {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
  margin: 0.75rem 0;
}

.docs-content pre code {
  background: none;
  padding: 0;
  color: var(--lime);
}

.docs-content ul {
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
}

.docs-content li {
  margin-bottom: 0.3rem;
}

/* --- Chaos: Failure Events --- */
.failure-events-section {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.failure-events-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--red);
  margin-right: 0.5rem;
}

.failure-event-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.failure-event-row label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  min-width: 30px;
}

.failure-event-row input {
  width: 80px;
}

/* --- Step Rows (Traffic) --- */
.step-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.step-row label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  min-width: 60px;
}

.step-row input {
  width: 80px;
}

.remove-step-btn {
  width: 24px;
  height: 24px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 1rem;
  color: var(--red);
  border-color: var(--red-dim);
}

.remove-step-btn:hover {
  background: rgba(239, 68, 68, 0.15);
}

/* --- Footer --- */
footer {
  border-top: 1px solid var(--border-subtle);
  padding: 1.5rem 0;
  margin-top: 2rem;
  text-align: center;
}

footer .about-text {
  font-size: 0.85rem;
  color: var(--text-muted);
  max-width: 800px;
  margin: 0 auto 1rem;
  line-height: 1.7;
}

footer .copyright {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* --- Toast Notifications --- */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  z-index: 10000;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.toast.visible {
  transform: translateY(0);
  opacity: 1;
}

.toast-success {
  background: rgba(132, 204, 22, 0.15);
  border: 1px solid var(--lime-dim);
  color: var(--lime);
}

.toast-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid var(--red-dim);
  color: var(--red);
}

/* --- Animations --- */
@keyframes pulse-glow {
  0%, 100% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
    box-shadow: 0 0 10px var(--cyan-glow);
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Section spacing --- */
section {
  margin-bottom: 0;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .logo {
    font-size: 0.9rem;
  }

  .param-row {
    flex-wrap: wrap;
  }

  .param-row label {
    min-width: 100%;
    margin-bottom: 0.25rem;
  }

  .param-row .neon-slider {
    flex: 1;
    min-width: 0;
  }

  .export-cards {
    flex-direction: column;
  }

  .summary-panel {
    grid-template-columns: repeat(2, 1fr);
  }

  .chart-container {
    height: 300px;
  }

  .container {
    padding: 0 1rem;
  }

  .config-params-row {
    flex-direction: column;
  }

  .sim-controls-row {
    flex-direction: column;
    align-items: flex-start;
  }

}

@media (max-width: 480px) {
  .summary-panel {
    grid-template-columns: 1fr;
  }

  .pattern-selector {
    flex-direction: column;
  }

  .preset-row {
    flex-direction: column;
  }
}

/* --- Simulating state --- */
body.simulating .btn-primary {
  pointer-events: none;
}

/* --- Retro cursor on interactive elements --- */
button:not(.tooltip-btn),
.btn,
select,
.pattern-label,
.preset-btn {
  cursor: pointer;
}

/* Hidden file input */
.hidden-input {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}