/* SSL Demo Styles - cldemo_tfjs.css */

html {
  scroll-behavior: smooth;
}

:root {
  --bg-color: #ffffff;
  --text-color: #000000;
  --text-muted: #666666;
  --input-bg: #ffffff;
  --input-border: #888888;
  --button-bg: #f0f0f0;
  --button-border: #999999;
  --link-color: #0066cc;
}

/* Dark theme: Manual Override OR System Preference */
:root.dark,
[data-theme="dark"],
:root.system-dark:not([data-theme="light"]) {
  --bg-color: #1a1a1a;
  --text-color: #e0e0e0;
  --text-muted: #999999;
  --input-bg: #2a2a2a;
  --input-border: #555555;
  --button-bg: #3a3a3a;
  --button-border: #666666;
  --link-color: #66aaff;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 10.5pt;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
  line-height: 1.5;
}

h2,
h3,
h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  color: var(--text-color);
}

label {
  color: var(--text-color);
}

input,
select {
  background-color: var(--input-bg);
  color: var(--text-color);
  border: 1px solid var(--input-border);
  padding: 2px 4px;
}

button {
  background-color: var(--button-bg);
  color: var(--text-color);
  border: 1px solid var(--button-border);
  padding: 4px 10px;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.1);
}

a {
  color: var(--link-color);
}

#info {
  color: var(--text-muted);
}

.muted {
  color: var(--text-muted);
}

#themeToggle {
  font-size: 18px;
  padding: 4px 10px;
  cursor: pointer;
  border-radius: 4px;
}

/* Custom tooltips */
.tooltip-btn {
  position: relative;
}

.tooltip-btn::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-30%);
  background: var(--text-color);
  color: var(--bg-color);
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 14px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
  margin-bottom: 5px;
}

.tooltip-btn:hover::after {
  opacity: 1;
}

/* Layout */
.main-container {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.viz-column {
  flex: 0 0 600px;
}

.controls-column {
  flex: 0 0 240px;
}

/* Control groups */
.control-group {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 10px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 6px 10px;
}

.control-group label {
  /* min-width removed - handled by grid */
  white-space: nowrap;
}

.control-group input,
.control-group select {
  width: 100%;
  /* Fill grid cell */
  box-sizing: border-box;
  /* Include padding/border in width */
}

/* Playback controls row - exception to grid */
.playback-controls {
  display: flex !important;
  /* Override grid if reused */
  justify-content: center;
  gap: 6px;
}

/* Utility classes for HTML cleanup */
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.header-container h2 {
  margin: 0;
}

.btn-icon {
  font-size: 18px;
  padding: 6px 14px;
}

.cf-plot-container {
  display: none;
  margin-top: 10px;
}

.cf-canvas {
  border: 1px solid var(--input-border);
  background: var(--input-bg);
}

.info-box {
  font-size: 10pt;
  color: var(--text-muted);
  border-left: 3px solid var(--input-border);
  padding-left: 10px;
  margin-top: 10px;
}

/* Deep Dive Section Redesign */
.deep-dive-spacer {
  height: 80px;
}

.deep-dive-container {
  max-width: 860px;
  /* Matches main visualizer width */
  margin: 0 0 100px 0;
  padding: 0 10px;
}

.deep-dive-card {
  background: var(--bg-color);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  padding: 30px;
  margin-top: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--input-border);
  padding-bottom: 15px;
}

.card-header .icon {
  font-size: 24px;
}

.card-header h3 {
  margin: 0;
  font-size: 1.8rem;
  letter-spacing: -0.02em;
}

.deep-dive-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.deep-dive-item {
  position: relative;
}

.item-number {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--link-color);
  margin-bottom: 8px;
  opacity: 0.8;
  font-family: 'Inter', monospace;
  display: inline-block;
}

.deep-dive-item h4 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--text-color);
  letter-spacing: -0.01em;
}

.deep-dive-item p {
  color: var(--text-muted);
  font-size: 10.5pt;
  line-height: 1.7;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin-top: 15px;
}

.feature-list li {
  padding: 8px 0;
  border-top: 1px solid rgba(128, 128, 128, 0.1);
  font-size: 10pt;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.feature-list li::before {
  content: '→';
  color: var(--link-color);
  font-weight: bold;
}

.feature-list li strong {
  color: var(--text-color);
  font-weight: 600;
}

.full-width {
  grid-column: 1 / -1;
}

.highlighted {
  border-top: 2px solid var(--link-color);
  padding-top: 25px;
  margin-top: 20px;
}

.math-block {
  padding: 10px 0;
  margin: 0;
}

.math-caption {
  font-size: 9.5pt !important;
  text-align: center;
}

@media (max-width: 800px) {
  .deep-dive-grid {
    grid-template-columns: 1fr;
  }
}