/* ==================== Detail Page Layout ==================== */
.detail-main {
  position: relative; z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 28px 80px;
  display: grid;
  gap: 20px;
}

/* ---- Side Nav ---- */
.detail-side-nav {
  position: fixed;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: rgba(255,255,255,0.96);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 6px;
  box-shadow: 0 8px 32px rgba(0,20,80,0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.detail-side-nav a {
  display: block;
  padding: 6px 8px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-decoration: none;
  text-align: center;
  transition: all 0.15s;
  white-space: nowrap;
}
.detail-side-nav a:hover { background: var(--bg-section); color: var(--accent-blue); }
.detail-side-nav a.active { background: var(--accent-blue); color: #fff; }

/* ---- Breadcrumb ---- */
.detail-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--text-muted);
  margin-bottom: -8px;
}
.detail-breadcrumb a { color: var(--accent-blue); text-decoration: none; }
.detail-breadcrumb a:hover { text-decoration: underline; }
.detail-breadcrumb span { color: var(--text-muted); }
.detail-date-status {
  display: flex; flex-wrap: wrap; gap: 8px;
  font-size: 11px; font-weight: 700; color: var(--text-muted);
  letter-spacing: 0.06em; text-transform: uppercase;
  justify-content: flex-end;
  margin-bottom: -8px;
}

/* ---- Hero ---- */
.detail-hero {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 24px;
  align-items: start;
  background: linear-gradient(135deg, #f8fbff, #ffffff 54%, #eef6ff);
  border: 1px solid #dbe4f0;
  border-radius: var(--radius-xl);
  padding: 36px;
}
.detail-hero-title {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 900;
  letter-spacing: -0.03em;
  margin: 0 0 12px;
  color: var(--text-primary);
  line-height: 1.08;
}
.detail-hero-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0 0 18px;
  max-width: 600px;
}
.detail-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 20px; }
.detail-tags span {
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  padding: 5px 12px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 700;
}
.detail-hero-actions { display: flex; gap: 12px; margin-top: 10px; }
.detail-official-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--text-primary); color: #fff; padding: 12px 24px;
  border-radius: 100px; font-weight: 700; text-decoration: none; transition: all 0.2s;
}
.detail-official-btn:hover { background: var(--accent-blue); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(37,99,235,0.2); }
.detail-back-btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: #fff; color: var(--text-secondary); padding: 12px 20px;
  border-radius: 100px; font-weight: 600; text-decoration: none; transition: all 0.2s;
  border: 1px solid var(--border);
}
.detail-back-btn:hover { border-color: var(--text-primary); color: var(--text-primary); }

.detail-hero-long-desc {
  margin-top: 28px; padding-top: 24px; border-top: 1px dashed var(--border);
  font-size: 14px; color: var(--text-secondary); line-height: 1.8;
}
.detail-hero-long-desc p { margin: 0 0 12px; }
.detail-hero-long-desc ul { margin: 0; padding-left: 20px; }
.detail-hero-long-desc li { margin-bottom: 6px; }
.detail-hero-long-desc strong { color: var(--text-primary); font-weight: 700; }

/* ---- Score Card ---- */
.detail-score-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  background: #fff;
  text-align: center;
  box-shadow: 0 8px 28px rgba(0,20,80,0.07);
  transition: all 0.2s;
}
.detail-score-card:hover { box-shadow: 0 16px 40px rgba(37,99,235,0.12); transform: translateY(-2px); }
.dsc-label { font-size: 12px; font-weight: 800; color: var(--text-muted); letter-spacing: 0.06em; text-transform: uppercase; }
.dsc-number {
  font-size: 58px; font-weight: 900; line-height: 1;
  margin-top: 12px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-primary);
  letter-spacing: -0.04em;
}
.dsc-slash { font-size: 14px; color: var(--text-muted); font-weight: 700; margin-top: 2px; }
.dsc-bar-track {
  height: 8px; margin: 16px 0 4px;
  background: #f1f5f9;
  border-radius: 999px; overflow: hidden;
  border: 1px solid #e2e8f0;
}
.dsc-bar-fill { height: 100%; border-radius: 999px; background: linear-gradient(90deg, #2563eb, #10b981); transition: width 1.2s cubic-bezier(0.4,0,0.2,1); width: 0%; }
.dsc-grade { font-size: 13px; font-weight: 800; margin-top: 8px; }
.dsc-sub-scores {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px; margin-top: 18px; text-align: left;
}
.dsc-sub-item {
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}
.dsc-sub-label { font-size: 10px; color: var(--text-muted); font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.dsc-sub-value { font-size: 18px; font-weight: 800; font-family: 'JetBrains Mono', monospace; margin-top: 2px; }

/* ---- Snapshot Grid ---- */
.detail-snapshot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.snap-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: all 0.2s;
}
.snap-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); border-color: rgba(37,99,235,0.2); }
.snap-label { font-size: 12px; font-weight: 700; color: var(--text-muted); margin-bottom: 8px; }
.snap-value { font-size: 20px; font-weight: 900; font-family: 'JetBrains Mono', monospace; color: var(--text-primary); letter-spacing: -0.02em; }
.snap-green { color: #059669; }
.snap-blue  { color: #2563eb; }
.snap-red   { color: #dc2626; }
.snap-yellow{ color: #d97706; }

/* ---- Generic Section ---- */
.detail-section {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.2s;
}
.detail-section:hover { box-shadow: 0 8px 32px rgba(0,20,80,0.06); }
.detail-section-title {
  font-size: 20px; font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  color: var(--text-primary);
}

/* ---- Capabilities ---- */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.cap-card {
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: all 0.2s;
}
.cap-card:hover { background: #fff; border-color: rgba(37,99,235,0.2); box-shadow: 0 4px 16px rgba(37,99,235,0.07); }
.cap-card-title { font-size: 13px; font-weight: 800; margin: 0 0 12px; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.06em; }
.cap-list { display: flex; flex-direction: column; gap: 6px; }
.cap-item {
  display: flex; align-items: center; gap: 9px;
  padding: 7px 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 700;
  color: var(--text-primary);
  transition: all 0.15s;
}
.cap-item:hover { border-color: rgba(37,99,235,0.25); box-shadow: 0 2px 8px rgba(37,99,235,0.06); }
.cap-icon {
  width: 26px; height: 26px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 13px; font-weight: 900; line-height: 1;
}

/* ---- Score Breakdown ---- */
.score-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.sb-card {
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  transition: all 0.2s;
}
.sb-card:hover { background: #fff; border-color: rgba(37,99,235,0.25); box-shadow: 0 4px 16px rgba(37,99,235,0.07); }
.sb-label { font-size: 12px; font-weight: 700; color: var(--text-muted); letter-spacing: 0.04em; text-transform: uppercase; }
.sb-value { font-size: 28px; font-weight: 900; font-family: 'JetBrains Mono', monospace; margin: 8px 0 12px; color: var(--text-primary); }
.sb-bar { height: 6px; background: #e2e8f0; border-radius: 999px; overflow: hidden; }
.sb-bar-fill { height: 100%; border-radius: 999px; }

/* ---- Metrics Grid ---- */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.metric-card {
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all 0.2s;
}
.metric-card:hover { background: #fff; box-shadow: var(--shadow-card-hover); transform: translateY(-2px); border-color: rgba(37,99,235,0.2); }
.mc-label { font-size: 12px; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 8px; }
.mc-value { font-size: 26px; font-weight: 900; font-family: 'JetBrains Mono', monospace; color: var(--text-primary); margin-bottom: 6px; }
.mc-sub { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.mc-trend { display: flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 700; margin-top: 4px; }
.trend-up { color: #059669; }
.trend-down { color: #dc2626; }

/* ---- Trend Chart ---- */
.trend-chart-wrap {
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  overflow: hidden;
}
#trendCanvas { width: 100%; display: block; }
.trend-legend { display: flex; gap: 20px; margin-top: 12px; }
.tl-item { font-size: 12px; font-weight: 700; display: flex; align-items: center; gap: 6px; }
.tl-item::before { content: ''; display: block; width: 20px; height: 3px; border-radius: 2px; }
.tl-blue::before { background: #2563eb; }
.tl-green::before { background: #10b981; }

/* ---- Plans & Nodes ---- */
.plan-node-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.sub-section-title { font-size: 14px; font-weight: 800; color: var(--text-secondary); letter-spacing: 0.04em; text-transform: uppercase; margin: 0 0 14px; }
.plan-list { display: flex; flex-direction: column; gap: 8px; }
.plan-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 16px;
  background: var(--bg-section);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all 0.15s;
}
.plan-item:hover { background: #fff; border-color: rgba(37,99,235,0.25); }
.plan-item-name { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.plan-item-sub { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.plan-item-price { font-size: 16px; font-weight: 900; font-family: 'JetBrains Mono', monospace; color: var(--accent-blue); }
.region-dist { display: flex; flex-direction: column; gap: 8px; }
.region-item { display: flex; align-items: center; gap: 10px; }
.region-flag { font-size: 18px; width: 22px; text-align: center; }
.region-name { font-size: 13px; color: var(--text-secondary); width: 72px; flex-shrink: 0; font-weight: 600; }
.region-bar-wrap { flex: 1; height: 7px; background: #f1f5f9; border-radius: 4px; overflow: hidden; border: 1px solid #e2e8f0; }
.region-bar { height: 100%; border-radius: 4px; background: linear-gradient(90deg, #2563eb, #0ea5e9); }
.region-count { font-size: 12px; font-family: 'JetBrains Mono', monospace; color: var(--text-muted); font-weight: 700; width: 28px; text-align: right; }

/* ---- Summary & Accordion ---- */
.summary-box {
  background: #f8fbff;
  border: 1px solid #dbeafe;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 12px;
}
.summary-box p { margin: 0 0 10px; color: var(--text-secondary); font-size: 14px; line-height: 1.9; }
.summary-chips { display: flex; flex-wrap: wrap; gap: 7px; }
.summary-chip {
  border: 1px solid #dbeafe; border-radius: 999px;
  background: #eff6ff; padding: 4px 10px;
  color: #1d4ed8; font-size: 11px; font-weight: 700;
}
.accordion { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.acc-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-section);
  transition: border-color 0.15s;
}
.acc-item:hover { border-color: rgba(37,99,235,0.2); }
.acc-trigger {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px;
  background: transparent; border: none;
  font-size: 14px; font-weight: 700; color: var(--text-primary);
  cursor: pointer; text-align: left;
  font-family: 'Inter', sans-serif;
}
.acc-trigger:hover { background: rgba(37,99,235,0.03); }
.acc-arrow {
  width: 16px; height: 16px; flex-shrink: 0;
  color: var(--text-muted);
  transition: transform 0.2s;
}
.acc-item.open .acc-arrow { transform: rotate(180deg); }
.acc-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease;
}
.acc-body-inner { padding: 0 18px 16px; }
.acc-body-inner p { font-size: 13px; color: var(--text-secondary); line-height: 1.9; margin: 0 0 10px; }
.acc-facts { display: flex; flex-wrap: wrap; gap: 6px; }
.acc-fact {
  border: 1px solid #dbeafe; border-radius: 999px;
  background: #eff6ff; padding: 3px 9px;
  color: #1d4ed8; font-size: 11px; font-weight: 700;
}
.conclusion-box {
  background: linear-gradient(135deg, #eff6ff, #f0fdf4);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius-md);
  padding: 20px 22px;
  font-size: 14px; color: var(--text-secondary); line-height: 1.9;
}
.conclusion-box strong { color: var(--text-primary); }

/* ---- Compare Links ---- */
.compare-links { display: flex; flex-wrap: wrap; gap: 8px; }
.compare-link {
  display: inline-flex; align-items: center;
  min-height: 34px;
  border: 1px solid #dbeafe; border-radius: 999px;
  background: #eff6ff; padding: 0 14px;
  color: #1d4ed8; font-size: 12px; font-weight: 700;
  text-decoration: none; transition: all 0.15s;
}
.compare-link:hover { background: var(--accent-blue); color: #fff; border-color: var(--accent-blue); }

/* ==================== Responsive ==================== */
@media (max-width: 1200px) {
  .detail-side-nav { display: none; }
}
@media (max-width: 900px) {
  .detail-hero { grid-template-columns: 1fr; }
  .detail-snapshot-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-grid { grid-template-columns: repeat(2, 1fr); }
  .score-breakdown-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .plan-node-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .detail-main { padding: 16px; }
  .detail-hero { padding: 22px; }
  .detail-snapshot-grid { grid-template-columns: repeat(2, 1fr); }
  .cap-grid { grid-template-columns: 1fr; }
  .score-breakdown-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: 1fr; }
}

/* ==================== Node List ==================== */
.node-list {
  display: flex; flex-direction: column; gap: 8px;
}
.node-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; background: #fff; border: 1px solid var(--border-light);
  border-radius: var(--radius-md); transition: all 0.2s;
}
.node-item:hover {
  border-color: rgba(37,99,235,0.3); background: #f8fbff;
}
.node-info {
  display: flex; flex-direction: column; gap: 6px;
}
.node-name {
  font-size: 15px; font-weight: 700; color: var(--text-primary);
  display: flex; align-items: center; gap: 8px;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
}
.status-dot.online { background: #10b981; box-shadow: 0 0 6px rgba(16,185,129,0.4); }
.status-dot.offline { background: #ef4444; box-shadow: 0 0 6px rgba(239,68,68,0.4); }
.node-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 4px;
  background: #f1f5f9; color: var(--text-secondary); font-weight: 600;
}
.node-stats {
  display: flex; align-items: center; gap: 24px;
}
.ns-latency {
  font-family: 'JetBrains Mono', monospace; font-size: 14px; font-weight: 600;
  display: flex; align-items: center; gap: 6px; width: 80px;
}
.ns-speed {
  display: flex; align-items: center; gap: 12px; width: 160px;
}
.ns-speed-bar-bg {
  flex: 1; height: 6px; background: #f1f5f9; border-radius: 3px; overflow: hidden;
}
.ns-speed-bar {
  height: 100%; border-radius: 3px; transition: width 0.3s ease;
}
.ns-speed-val {
  font-family: 'JetBrains Mono', monospace; font-size: 14px; font-weight: 700; color: var(--text-primary); width: 80px; text-align: right;
}

@media (max-width: 768px) {
  .node-item { flex-direction: column; align-items: flex-start; gap: 12px; }
  .node-stats { width: 100%; justify-content: space-between; }
}