/* Gaming Peripheral Value Calculator Styles */

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg: #0f172a;
  --card-bg: #1e293b;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #334155;
  --radius: 8px;
  --transition: 0.2s ease;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;

}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem;
}

.site-header {
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  margin-bottom: 2rem;
}

.site-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.site-nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  padding: 0.25rem 0;
  transition: color var(--transition);
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--primary);
}

/* Intro Section */

.intro {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, transparent 50%);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
}

.intro p {
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

/* Calculator Section */

.calculator-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .calculator-section {
    grid-template-columns: 1fr;
  }
}

.input-panel,
.results-panel {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
}

.field-group {
  margin-bottom: 1.5rem;
}

.field-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text);
}

.field-group input,
.field-group select {
  width: 100%;
  padding: 0.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}

.field-group input:focus,
.field-group select:focus {
  outline: 2px solid var(--primary);
  border-color: var(--primary);
}

.field-group small,
.field-group small * {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.slider-container {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.slider-container input[type='range'] {
  flex: 1;
}

.actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.btn-primary,
.btn-secondary {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--border);
}

/* Results */

.results-panel[aria-hidden='false'] {
  display: block;
}

.results-panel {
  display: none;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 576px) {
  .result-grid {
    grid-template-columns: 1fr;
  }
}

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

.result-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.result-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.result-note {
  font-size: 0.75rem;
  color: var(--secondary);
}

.recommendation {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  border-radius: var(--radius);
  padding: 1rem;
  border-left: 4px solid var(--success);
  margin-bottom: 1rem;
}

.recommendation h3 {
  color: var(--success);
  margin-bottom: 0.5rem;
}

/* Comparison Section */

.comparison-section {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
  margin-bottom: 2rem;
}

.comparison-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1rem;
}

.comparison-item {
  background: var(--bg);
  padding: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.empty-state {
  text-align: center;
  color: var(--secondary);
  padding: 2rem;
}

/* Supporting Content Sections */

.value-guide,
.quick-reference,
.tips-tricks {
  margin-bottom: 2rem;
}

.value-guide h2,
.quick-reference h2,
.tips-tricks h2 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.value-guide p,
.quick-reference p,
.tips-tricks p {
  margin-bottom: 0.75rem;
}

.assumptions ul,
.value-guide ol {
  padding-left: 1.5rem;
  margin-top: 0.5rem;
}

.assumptions li {
  margin-bottom: 0.5rem;
}

.reference-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.reference-table th,
.reference-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.reference-table th {
  background: var(--bg);
  color: var(--primary);
  font-weight: 600;
}

.reference-table tr:hover {
  background: rgba(37, 99, 235, 0.05);
}

/* Footer */

.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  margin-top: 3rem;
  text-align: center;
}

.site-footer a {
  color: var(--text-muted);
  text-decoration: none;
  margin: 0 0.5rem;
}

.site-footer a:hover {
  color: var(--primary);
}

.version {
  font-size: 0.85rem;
  color: var(--secondary);
  margin-top: 0.5rem;
}

/* Responsive Adjustments */

@media (max-width: 768px) {
  .site-header h1 {
    font-size: 1.5rem;
  }

  .intro {
    padding: 1rem;
  }

  .result-grid {
    grid-template-columns: 1fr;
  }

  .value-guide,
  .quick-reference,
  .tips-tricks {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0.5rem;
  }

  .site-nav {
    gap: 1rem;
  }

  .btn-primary,
  .btn-secondary {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}

/* Focus Styles */

a:focus,
button:focus,
input:focus,
select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Ad Slot Reserve */

/* Reserve space for 720x120 ad unit */
.ad-reserve {
  min-height: 120px;
  background: var(--card-bg);
  border-radius: var(--radius);
  margin: 1rem 0;
}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}