/* ================================
   INNER PAGE — Base
   ================================ */

.inner-hero {
  padding: 120px 0 60px;
  text-align: center;
}

.inner-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.inner-hero .inner-hero-sub {
  font-size: 16px;
  color: var(--color-text-secondary);
  max-width: 480px;
  margin: 0 auto;
}

.inner-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.inner-body-wide {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ================================
   PROSE (legal pages)
   ================================ */

.prose h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 2.5rem 0 0.75rem;
  letter-spacing: -0.02em;
}

.prose p,
.prose li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.prose ul {
  padding-left: 1.25rem;
  margin: 0.5rem 0 1rem;
}

.prose li { margin-bottom: 0.4rem; }

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose strong { color: var(--color-text-primary); font-weight: 600; }

.last-updated {
  font-size: 13px;
  color: var(--color-text-secondary);
  opacity: 0.6;
  margin-bottom: 2.5rem;
}

/* ================================
   STEP CARDS (setup guides)
   ================================ */

.step-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px 24px 24px 68px;
  margin-bottom: 12px;
}

.step-card:last-child { margin-bottom: 0; }

.step-number {
  position: absolute;
  left: 20px;
  top: 24px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text-secondary);
  margin: 0;
}

.step-card code {
  font-family: 'Courier New', monospace;
  background: var(--color-surface-2, #1a1a2e);
  color: var(--color-accent);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85em;
}

/* ================================
   CALLOUT BOXES
   ================================ */

.callout {
  border-left: 3px solid var(--color-accent);
  background: rgba(59,130,246,0.07);
  border-radius: 0 var(--radius-sm, 6px) var(--radius-sm, 6px) 0;
  padding: 14px 18px;
  margin: 1.25rem 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}

.callout.warning {
  border-color: #f59e0b;
  background: rgba(245,158,11,0.07);
}

.callout.success {
  border-color: var(--color-success, #10b981);
  background: rgba(16,185,129,0.07);
}

.callout strong { color: var(--color-text-primary); }

/* ================================
   GUIDE LAYOUT (sidebar + content)
   ================================ */

.guide-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: start;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.guide-sidebar {
  position: sticky;
  top: 80px;
}

.guide-toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.guide-toc-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.guide-toc a {
  display: block;
  font-size: 13px;
  color: var(--color-text-secondary);
  padding: 5px 0;
  border-left: 2px solid transparent;
  padding-left: 10px;
  margin-left: -10px;
  transition: color 0.2s, border-color 0.2s;
}

.guide-toc a:hover,
.guide-toc a.active {
  color: var(--color-accent);
  border-left-color: var(--color-accent);
}

/* ================================
   TABS (platform switcher, etc.)
   ================================ */

.inner-tabs {
  display: flex;
  gap: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 5px;
  margin-bottom: 28px;
  width: fit-content;
}

.inner-tab {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  padding: 8px 18px;
  border-radius: var(--radius-lg);
  transition: color 0.25s ease, background 0.25s ease;
}

.inner-tab:hover { color: var(--color-text-primary); }
.inner-tab.active,
.inner-tab[aria-selected="true"] {
  color: #fff;
  background: var(--color-accent);
  box-shadow: 0 2px 12px rgba(59,130,246,0.35);
}

/* ================================
   ACCORDION (faq, troubleshooting)
   ================================ */

.accordion-group {
  margin-bottom: 40px;
}

.accordion-group-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.accordion-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 8px;
  overflow: hidden;
}

.accordion-question {
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: color 0.2s;
}

.accordion-question:hover { color: var(--color-accent); }

.accordion-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
  color: var(--color-text-secondary);
  transition: transform 0.3s ease, color 0.2s;
}

.accordion-icon::before,
.accordion-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.accordion-icon::before { width: 12px; height: 2px; top: 9px; left: 4px; }
.accordion-icon::after  { width: 2px; height: 12px; top: 4px; left: 9px; }

.accordion-item.open .accordion-icon::after { transform: rotate(90deg); opacity: 0; }
.accordion-item.open .accordion-question { color: var(--color-accent); }

.accordion-answer {
  height: 0;
  overflow: hidden;
}

.accordion-answer-inner {
  padding: 0 20px 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.accordion-answer-inner a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.accordion-answer-inner strong { color: var(--color-text-primary); font-weight: 600; }

.accordion-answer-inner ul {
  padding-left: 1.25rem;
  margin: 0.5rem 0;
}

.accordion-answer-inner li { margin-bottom: 0.35rem; }

/* ================================
   DEVICE GRID
   ================================ */

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}

.device-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color 0.2s, transform 0.2s;
}

.device-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.device-card-icon {
  font-size: 28px;
  margin-bottom: 10px;
}

.device-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.device-card p {
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0;
}

.device-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 100px;
  margin-top: 8px;
}

.device-badge.easy { background: rgba(16,185,129,0.15); color: var(--color-success, #10b981); }
.device-badge.medium { background: rgba(245,158,11,0.15); color: #f59e0b; }

/* ================================
   CODE BLOCKS (PANEL API page)
   ================================ */

.code-block {
  background: #0a0a12;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  overflow-x: auto;
  margin: 1rem 0 1.5rem;
}

.code-block code {
  font-family: 'Courier New', Consolas, monospace;
  font-size: 13px;
  line-height: 1.7;
  color: #a5f3fc;
  white-space: pre;
}

.param-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  margin: 1rem 0 1.5rem;
}

.param-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.param-table td {
  padding: 10px 12px;
  color: var(--color-text-secondary);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  vertical-align: top;
  line-height: 1.55;
}

.param-table td code {
  font-family: 'Courier New', monospace;
  background: var(--color-surface);
  color: var(--color-accent);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
}

.param-table td:first-child { color: var(--color-text-primary); font-weight: 600; }

/* ================================
   RESPONSIVE
   ================================ */

@media (max-width: 860px) {
  .guide-layout {
    grid-template-columns: 1fr;
  }
  .guide-sidebar { display: none; }
  .device-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

@media (max-width: 480px) {
  .inner-hero { padding: 100px 0 40px; }
  .inner-body, .inner-body-wide { padding: 0 16px 60px; }
  .guide-layout { padding: 0 16px 60px; }
  .step-card { padding: 20px 16px 20px 60px; }
  .device-grid { grid-template-columns: repeat(2, 1fr); }
}