/* ========================
   Trackser Live — Design tokens
   ======================== */
:root {
  --tsl-bg:          #080c14;
  --tsl-layer1:      #0d1420;
  --tsl-layer2:      #131d2e;
  --tsl-primary:     #4ec9d4;
  --tsl-secondary:   #2a9ba8;
  --tsl-accent:      #d4a854;
  --tsl-text:        #e2eef2;
  --tsl-text-muted:  #5f8a98;
  --tsl-border:      #18293a;
}

html, body {
  margin: 0;
  padding: 0;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--tsl-text);
  background: var(--tsl-bg);
  min-height: 100vh;
  padding: 0;
}

/* ========================
   Layout container
   ======================== */
.container {
  max-width: 1000px;
  margin: 0 auto;
  background: var(--tsl-layer1);
  border: 1px solid var(--tsl-border);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  overflow: hidden;
  margin-top: 24px;
  margin-bottom: 0;
}

.page-wrap {
  padding: 24px 20px 0;
}

/* ========================
   Header / hero
   ======================== */
header {
  background: linear-gradient(160deg, var(--tsl-layer2) 0%, var(--tsl-bg) 100%);
  color: var(--tsl-text);
  padding: 48px 30px 36px;
  text-align: center;
  border-bottom: 1px solid var(--tsl-border);
  position: relative;
}

header::after {
  content: '';
  display: block;
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--tsl-primary), transparent);
  opacity: 0.6;
}

.header-eyebrow {
  font-size: 0.8em;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--tsl-primary);
  margin-bottom: 10px;
  opacity: 0.85;
}

header h1 {
  font-size: 2.4em;
  margin: 0 0 10px 0;
  font-weight: 800;
  color: var(--tsl-text);
  letter-spacing: -0.5px;
}

.tagline {
  font-size: 1.1em;
  color: var(--tsl-text-muted);
  font-weight: 300;
  margin: 0;
}

/* ========================
   Site navigation
   ======================== */
.site-nav {
  background: var(--tsl-layer2);
  padding: 0 30px;
  border-bottom: 1px solid var(--tsl-border);
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--tsl-text-muted);
  text-decoration: none;
  font-size: 0.9em;
  font-weight: 500;
  padding: 14px 14px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.site-nav a:hover {
  color: var(--tsl-text);
  text-decoration: none;
}

.site-nav a.active,
.site-nav a:focus {
  color: var(--tsl-primary);
  border-bottom-color: var(--tsl-primary);
}

.site-nav .nav-home {
  color: var(--tsl-primary);
  font-weight: 700;
  margin-right: 8px;
  padding-left: 0;
}

/* Legacy .nav support */
.nav {
  background: var(--tsl-layer2);
  padding: 14px 30px;
  border-bottom: 1px solid var(--tsl-border);
}

.nav a {
  color: var(--tsl-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95em;
}

.nav a:hover {
  text-decoration: underline;
}

/* ========================
   Content area
   ======================== */
.content {
  padding: 40px 30px;
}

/* ========================
   Typography
   ======================== */
h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
  font-weight: 700;
  color: inherit;
}

h2 {
  color: var(--tsl-text);
  margin: 36px 0 14px 0;
  font-size: 1.5em;
  border-bottom: 2px solid var(--tsl-border);
  padding-bottom: 8px;
}

h2:first-child {
  margin-top: 0;
}

h2 .accent {
  color: var(--tsl-primary);
}

h3 {
  color: var(--tsl-text);
  margin: 24px 0 10px 0;
  font-size: 1.15em;
  font-weight: 600;
}

h4 {
  color: var(--tsl-text);
  margin: 15px 0 8px 0;
  font-weight: 600;
  font-size: 0.95em;
}

h4:first-child {
  margin-top: 0;
}

p {
  margin-bottom: 15px;
  font-size: 1.02em;
  color: var(--tsl-text-muted);
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  margin: 14px 0 14px 24px;
}

li {
  margin-bottom: 10px;
  color: var(--tsl-text-muted);
  font-size: 1.02em;
}

strong {
  color: var(--tsl-text);
  font-weight: 600;
}

/* ========================
   Inline code + pre blocks
   ======================== */
code {
  background: var(--tsl-layer2);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: "Monaco", "Menlo", "Courier New", monospace;
  font-size: 0.88em;
  color: var(--tsl-primary);
  border: 1px solid var(--tsl-border);
}

pre {
  background: var(--tsl-bg);
  color: var(--tsl-text);
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  font-family: "Monaco", "Menlo", "Courier New", monospace;
  font-size: 0.88em;
  line-height: 1.55;
  margin: 18px 0;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--tsl-border);
}

pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  border: none;
}

/* JSON syntax highlighting */
.json-key     { color: #9cdcfe; }
.json-string  { color: #ce9178; }
.json-number  { color: #b5cea8; }
.json-boolean { color: #569cd6; }
.json-null    { color: #569cd6; }

/* ========================
   Info / highlight boxes
   ======================== */
.highlight-box,
.info-box,
.source-box,
.tech-stack,
.pipeline-step,
.term {
  background: var(--tsl-layer2);
  border-left: 4px solid var(--tsl-primary);
  padding: 18px 20px;
  margin: 18px 0;
  border-radius: 0 6px 6px 0;
}

.highlight-box.accent,
.notice-accent {
  border-left-color: var(--tsl-accent);
}

.notice {
  background: var(--tsl-layer2);
  border-left: 4px solid var(--tsl-accent);
  padding: 15px 18px;
  margin: 18px 0;
  border-radius: 0 6px 6px 0;
}

.notice p, .notice strong {
  color: var(--tsl-text);
}

.term-name {
  font-weight: 600;
  color: var(--tsl-text);
}

.term-definition {
  margin-top: 8px;
  color: var(--tsl-text-muted);
}

/* ========================
   Status badge / pill
   ======================== */
.pill {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 0.78em;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  vertical-align: middle;
}

.pill-ok      { background: #0a2e1c; color: #28a745; border: 1px solid #28a745; }
.pill-warn    { background: #1e1a0a; color: #ffc107; border: 1px solid #ffc107; }
.pill-closed  { background: #1e1222; color: #a78bc9; border: 1px solid #6c4a9e; }
.pill-new     { background: #0a1e2e; color: var(--tsl-primary); border: 1px solid var(--tsl-primary); }

/* ========================
   API endpoint reference
   ======================== */
.endpoint-group {
  margin-bottom: 36px;
}

.endpoint-block {
  background: var(--tsl-layer2);
  border: 1px solid var(--tsl-border);
  border-radius: 8px;
  margin: 14px 0;
  overflow: hidden;
}

.endpoint-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--tsl-layer2);
  border-bottom: 1px solid var(--tsl-border);
}

.endpoint-path {
  font-family: "Monaco", "Menlo", monospace;
  font-size: 0.92em;
  color: var(--tsl-text);
  flex: 1;
}

.endpoint-body {
  padding: 14px 18px;
}

.endpoint-body p {
  margin: 0 0 10px;
  font-size: 0.95em;
}

.endpoint-body p:last-child {
  margin: 0;
}

.method {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.8em;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  flex-shrink: 0;
}

.method.get  { background: #1a3a5c; color: #61affe; border: 1px solid #1e4f80; }
.method.post { background: #0a2e1c; color: #49cc90; border: 1px solid #1a5c38; }
.method.put  { background: #2e1f0a; color: #fca130; border: 1px solid #5c3d0a; }
.method.delete { background: #2e0a0a; color: #f93e3e; border: 1px solid #5c1a1a; }

.scope-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75em;
  font-weight: 600;
  background: #1e0a2e;
  color: #c084fc;
  border: 1px solid #6c28a0;
  flex-shrink: 0;
}

/* ========================
   Hero feature grid
   ======================== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.feature-card {
  background: var(--tsl-layer2);
  border: 1px solid var(--tsl-border);
  border-radius: 8px;
  padding: 18px 20px;
  border-top: 3px solid var(--tsl-primary);
}

.feature-card h3 {
  margin: 0 0 8px 0;
  font-size: 1em;
  color: var(--tsl-text);
}

.feature-card p {
  margin: 0;
  font-size: 0.92em;
}

/* ========================
   Tables
   ======================== */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 0.95em;
}

th {
  background: var(--tsl-layer2);
  color: var(--tsl-primary);
  padding: 12px 14px;
  text-align: left;
  font-weight: 600;
  border-bottom: 2px solid var(--tsl-primary);
}

table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--tsl-border);
  color: var(--tsl-text-muted);
  vertical-align: top;
}

table tr:hover {
  background: var(--tsl-layer2);
}

/* ========================
   CTAs & buttons
   ======================== */
.cta {
  text-align: center;
  margin: 36px 0 20px;
  padding: 30px;
  background: linear-gradient(135deg, var(--tsl-layer2) 0%, rgba(78, 201, 212, 0.08) 100%);
  border-radius: 10px;
  border: 1px solid var(--tsl-border);
}

.cta p {
  color: var(--tsl-text);
  margin-bottom: 20px;
  font-size: 1.1em;
}

.cta a, .btn-primary {
  display: inline-block;
  background: var(--tsl-primary);
  color: var(--tsl-bg);
  padding: 13px 36px;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1em;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 18px rgba(78, 201, 212, 0.3);
  border: none;
  cursor: pointer;
}

.cta a:hover, .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(78, 201, 212, 0.45);
  opacity: 1;
}

.btn-secondary {
  display: inline-block;
  background: var(--tsl-layer2);
  color: var(--tsl-text);
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95em;
  font-weight: 600;
  border: 1px solid var(--tsl-border);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background: var(--tsl-border);
  opacity: 1;
}

.actions {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================
   Status page
   ======================== */
.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.status-card {
  padding: 14px 16px;
  border-radius: 8px;
  border-left: 4px solid;
  background: var(--tsl-layer2);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.status-card.ok      { border-left-color: #28a745; background: #050f09; }
.status-card.error   { border-left-color: #dc3545; background: #0f0505; }
.status-card.warning { border-left-color: #ffc107; background: #0f0d05; }

.line-name {
  font-weight: 600;
  color: var(--tsl-text);
  font-size: 1em;
}

.status-indicator {
  width: 11px; height: 11px;
  border-radius: 50%;
  display: inline-block;
  margin-left: 10px;
}

.status-indicator.ok      { background: #28a745; box-shadow: 0 0 6px rgba(40,167,69,0.5); }
.status-indicator.error   { background: #dc3545; }
.status-indicator.warning { background: #ffc107; }

/* Better Stack embed */
.betterstack-embed {
  margin: 0 0 2rem;
  border: 1px solid var(--tsl-border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--tsl-surface);
}

.betterstack-embed iframe {
  display: block;
  width: 100%;
  height: 500px;
  border: none;
  background: transparent;
}

.betterstack-link {
  text-align: right;
  padding: 0.6rem 1rem;
  font-size: 0.85em;
  border-top: 1px solid var(--tsl-border);
  margin: 0;
}

.betterstack-link a {
  color: var(--tsl-primary);
  text-decoration: none;
}

.betterstack-link a:hover {
  text-decoration: underline;
}

.last-updated {
  font-size: 0.83em;
  color: var(--tsl-text-muted);
  margin-top: 18px;
  text-align: center;
}

.loading {
  text-align: center;
  padding: 40px;
  color: var(--tsl-text-muted);
}

.spinner {
  border: 3px solid var(--tsl-border);
  border-top: 3px solid var(--tsl-primary);
  border-radius: 50%;
  width: 36px; height: 36px;
  animation: spin 0.9s linear infinite;
  margin: 0 auto 18px;
}

@keyframes spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ========================
   Error & warning items
   ======================== */
.no-errors {
  background: #050f09;
  border-left: 4px solid #28a745;
  padding: 14px 18px;
  margin: 18px 0;
  border-radius: 0 6px 6px 0;
  color: #28a745;
  font-weight: 500;
}

.error-list {
  margin: 18px 0;
}

.error-item {
  background: #0f0505;
  border-left: 4px solid #dc3545;
  padding: 12px 16px;
  margin-bottom: 8px;
  border-radius: 0 6px 6px 0;
  font-size: 0.92em;
}

.error-time    { color: var(--tsl-text-muted); font-size: 0.83em; margin-bottom: 4px; }
.error-message { color: #dc3545; font-weight: 500; }
.error-context { color: var(--tsl-text-muted); font-size: 0.83em; margin-top: 4px; }

/* ========================
   Alert banner (status page)
   ======================== */
.alert-banner {
  display: none;
  margin: 20px 30px 0;
  padding: 14px 16px;
  border-radius: 6px;
  border-left: 5px solid;
}

.alert-banner.info  { border-left-color: var(--tsl-secondary); background: var(--tsl-layer2); }
.alert-banner.warn  { border-left-color: #ffc107; background: var(--tsl-layer2); }
.alert-banner.error { border-left-color: #dc3545; background: var(--tsl-layer2); }

/* ========================
   FAQ
   ======================== */
.faq-container { margin: 18px 0; }

.faq-item { margin-bottom: 14px; }

.faq-question {
  background: var(--tsl-layer2);
  border-left: 4px solid var(--tsl-primary);
  padding: 16px 20px;
  border-radius: 0 6px 0 0;
  cursor: pointer;
  font-weight: 600;
  color: var(--tsl-text);
  user-select: none;
  font-size: 0.98em;
}

.faq-answer {
  padding: 16px 20px;
  background: var(--tsl-bg);
  border-left: 4px solid var(--tsl-border);
  border-radius: 0 0 6px 0;
  color: var(--tsl-text-muted);
  font-size: 0.97em;
}

/* ========================
   Links
   ======================== */
a, .link {
  color: var(--tsl-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  opacity: 0.85;
}

/* ========================
   Footer
   ======================== */
.site-footer {
  margin-top: 32px;
  background: var(--tsl-bg);
  border-top: 2px solid var(--tsl-border);
  padding: 22px 0;
}

.site-footer .container {
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  border: none;
  margin-top: 0;
}

.footer-inner {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 0 30px;
}

.footer-brand { color: var(--tsl-primary); font-weight: 700; }
.footer-brand a { color: var(--tsl-primary); text-decoration: none; }

.footer-nav { display: flex; gap: 14px; flex-wrap: wrap; }

.footer-nav a {
  color: var(--tsl-text-muted);
  font-weight: 500;
  font-size: 0.9em;
  text-decoration: none;
}

.footer-nav a:hover { color: var(--tsl-text); text-decoration: underline; }

.footer-copy { color: var(--tsl-text-muted); font-size: 0.85em; }
.footer-copy a { color: var(--tsl-text-muted); }

/* ========================
   Architecture diagram
   ======================== */
.diagram {
  background: var(--tsl-layer2);
  border: 1px solid var(--tsl-border);
  padding: 20px;
  margin: 18px 0;
  border-radius: 8px;
  text-align: center;
  font-family: "Monaco", monospace;
  white-space: pre;
  color: var(--tsl-text-muted);
  overflow-x: auto;
  font-size: 0.85em;
  line-height: 1.4;
}

/* ========================
   Error pages (404 / 401)
   ======================== */
.error-code {
  font-size: 110px;
  font-weight: 800;
  color: var(--tsl-primary);
  line-height: 1;
  margin-bottom: 18px;
  letter-spacing: -2px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}

/* Details box (unauthorized page) */
.details {
  background: var(--tsl-layer2);
  border-left: 4px solid var(--tsl-primary);
  padding: 20px;
  border-radius: 8px;
  text-align: left;
  margin: 28px 0;
  font-size: 14px;
  color: var(--tsl-text-muted);
}

.details h3 { color: var(--tsl-text); margin-bottom: 10px; font-size: 14px; font-weight: 600; }
.details ul { list-style: none; padding-left: 0; }
.details li { padding: 4px 0; color: var(--tsl-text-muted); }
.details li:before { content: "→ "; color: var(--tsl-primary); font-weight: 600; margin-right: 8px; }

.footer-link {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--tsl-border);
}

.footer-link a { color: var(--tsl-text-muted); text-decoration: none; font-size: 14px; }
.footer-link a:hover { text-decoration: underline; }

/* ========================
   Source box heading
   ======================== */
.source-box h3 { margin-top: 0; }

/* ========================
   Responsive
   ======================== */
@media (max-width: 640px) {
  .page-wrap { padding: 12px 12px 0; }

  .container { margin-top: 12px; border-radius: 8px; }

  header { padding: 32px 20px 24px; }
  header h1 { font-size: 1.8em; }

  .content { padding: 28px 20px; }

  h2 { font-size: 1.3em; }

  .site-nav { padding: 0 16px; overflow-x: auto; flex-wrap: nowrap; }
  .site-nav a { padding: 12px 10px; font-size: 0.85em; }

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

  .footer-inner { flex-direction: column; gap: 18px; padding: 0 20px; }
  .footer-nav { justify-content: center; width: 100%; }

  .error-code { font-size: 80px; }

  .actions { flex-direction: column; align-items: center; }

  pre { font-size: 0.8em; }
}