/* ==========================================================================
   TYPOSTUDIO // HOLOGRAPHIC TYPE LAB & OPTICAL BENCHMARK
   Precision Swiss Modernism meets Futuristic Cyber Telemetry
   ========================================================================== */

:root {
  --neon-amber: #ffb700;
  --neon-amber-glow: rgba(255, 183, 0, 0.25);
  --neon-cyan: #00f0ff;
  --neon-rose: #ff2a6d;
  --neon-green: #00ff88;

  --bg-deep: #07090e;
  --bg-panel: rgba(11, 16, 24, 0.85);
  --bg-card: rgba(16, 24, 38, 0.7);
  --border-line: rgba(255, 183, 0, 0.2);
  --border-bright: rgba(255, 183, 0, 0.6);

  --text-main: #f0f4f8;
  --text-muted: #6e8499;
  --text-dim: #445466;

  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-sans: 'Inter', -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
  min-height: 100vh;
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  overflow-x: hidden;
}

/* Background Technical Coordinate Grid */
.typo-bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 183, 0, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 183, 0, 0.035) 1px, transparent 1px);
  background-size: 24px 24px;
  z-index: 0;
}

/* Vertical Rhythm Baseline Overlay (Toggleable) */
.typo-ruler-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image: linear-gradient(to bottom, rgba(0, 240, 255, 0.08) 1px, transparent 1px);
  background-size: 100% 8px;
  display: none;
}
.typo-ruler-overlay.active {
  display: block;
}

.typo-shell {
  position: relative;
  z-index: 10;
  max-width: 1600px;
  margin: 0 auto;
  padding: 16px 24px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 100vh;
}

/* ---------- 1. Top Ribbon ---------- */
.typo-ribbon {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 18px;
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  border-radius: 6px;
  backdrop-filter: blur(14px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  flex-wrap: wrap;
}

.typo-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.typo-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 183, 0, 0.08);
  border: 1px solid var(--border-line);
  color: var(--neon-amber);
  text-decoration: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.typo-back-link:hover {
  background: rgba(255, 183, 0, 0.2);
  border-color: var(--neon-amber);
  box-shadow: 0 0 14px var(--neon-amber-glow);
  transform: translateX(-2px);
}

.typo-title-block h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.typo-badge {
  font-size: 10px;
  padding: 2px 7px;
  background: rgba(255, 183, 0, 0.14);
  border: 1px solid var(--neon-amber);
  color: var(--neon-amber);
  border-radius: 3px;
  letter-spacing: 0.08em;
}

.typo-ribbon-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.typo-action-btn {
  background: rgba(16, 24, 38, 0.8);
  border: 1px solid var(--border-line);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: 4px;
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0.05em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.typo-action-btn:hover,
.typo-action-btn.active {
  border-color: var(--neon-amber);
  color: var(--neon-amber);
  background: rgba(255, 183, 0, 0.12);
  box-shadow: 0 0 10px var(--neon-amber-glow);
}

/* ---------- 2. Main Workbench Layout (2 Columns) ---------- */
.typo-stage {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 20px;
  flex: 1;
}

/* Left: Interactive Type Specimen Viewport */
.typo-viewport-deck {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.typo-specimen-box {
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  border-radius: 8px;
  padding: 32px 36px;
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  position: relative;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* Cornerstone Accent Reticles */
.typo-specimen-box::before,
.typo-specimen-box::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  pointer-events: none;
}
.typo-specimen-box::before {
  top: 8px;
  left: 8px;
  border-top: 2px solid var(--neon-amber);
  border-left: 2px solid var(--neon-amber);
}
.typo-specimen-box::after {
  bottom: 8px;
  right: 8px;
  border-bottom: 2px solid var(--neon-amber);
  border-right: 2px solid var(--neon-amber);
}

.typo-live-headline {
  outline: none;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-bright);
  word-break: break-word;
  transition: font-size 0.1s ease, letter-spacing 0.1s ease;
}

.typo-live-body {
  outline: none;
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-main);
  margin-top: 20px;
  max-width: 65ch;
}

/* Optical Character Ergonomics Bar */
.typo-cpl-meter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  border-radius: 6px;
  font-size: 11px;
}

.cpl-status-good {
  color: var(--neon-green);
  font-weight: 700;
}
.cpl-status-warn {
  color: var(--neon-amber);
  font-weight: 700;
}

/* Interactive Glyph Matrix */
.typo-glyph-deck {
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  border-radius: 8px;
  padding: 18px 20px;
  backdrop-filter: blur(14px);
}

.typo-deck-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--neon-amber);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border-line);
  padding-bottom: 8px;
}

.typo-glyph-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
  gap: 6px;
}

.typo-glyph-cell {
  aspect-ratio: 1;
  background: rgba(16, 24, 38, 0.7);
  border: 1px solid rgba(255, 183, 0, 0.12);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
}

.typo-glyph-cell:hover {
  border-color: var(--neon-amber);
  color: var(--neon-amber);
  background: rgba(255, 183, 0, 0.15);
  box-shadow: 0 0 12px var(--neon-amber-glow);
  transform: translateY(-2px);
}

/* ---------- 3. Right: Precision Telemetry & Instrument Deck ---------- */
.typo-controls-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.typo-instrument-box {
  background: var(--bg-panel);
  border: 1px solid var(--border-line);
  border-radius: 8px;
  padding: 16px 18px;
  backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.typo-control-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.typo-control-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.typo-readout {
  color: var(--neon-amber);
  font-weight: 700;
}

.typo-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 183, 0, 0.15);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.typo-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--neon-amber);
  box-shadow: 0 0 8px var(--neon-amber);
  cursor: pointer;
}

/* Font Family Segmented Selector */
.typo-font-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.typo-font-btn {
  padding: 8px 6px;
  background: rgba(16, 24, 38, 0.7);
  border: 1px solid rgba(255, 183, 0, 0.15);
  color: var(--text-muted);
  border-radius: 4px;
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
}

.typo-font-btn.active,
.typo-font-btn:hover {
  border-color: var(--neon-amber);
  color: var(--neon-amber);
  background: rgba(255, 183, 0, 0.12);
}

/* Optical WCAG Contrast Benchmark */
.typo-wcag-card {
  background: rgba(8, 14, 22, 0.85);
  border: 1px solid var(--border-line);
  border-radius: 6px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wcag-score-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.wcag-ratio {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--neon-green);
  letter-spacing: -0.01em;
}

.wcag-badge-pass {
  font-size: 10.5px;
  padding: 2px 8px;
  border-radius: 3px;
  background: rgba(0, 255, 136, 0.15);
  border: 1px solid var(--neon-green);
  color: var(--neon-green);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.wcag-checks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
}

.wcag-check-item {
  padding: 4px;
  background: rgba(16, 24, 38, 0.6);
  border-radius: 3px;
}

/* Color Scheme Swapper for Specimen */
.typo-contrast-modes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.typo-contrast-btn {
  height: 28px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 10px;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.typo-contrast-btn:hover,
.typo-contrast-btn.active {
  transform: scale(1.05);
  border-color: var(--neon-amber);
}

/* CSS Code Generation Box */
.typo-code-export {
  background: #030508;
  border: 1px solid rgba(255, 183, 0, 0.18);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 10.5px;
  color: #7ce7ff;
  line-height: 1.45;
  overflow-x: auto;
  white-space: pre;
}

/* Responsive Overrides */
@media (max-width: 1024px) {
  .typo-stage {
    grid-template-columns: 1fr;
  }
}