/* ============================================================
   GLOBAL.CSS — OctopusTMS SDK Documentation
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---------- Reset ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ---------- Tokens ---------- */
:root {
  --clr-bg:         #f5f7fb;
  --clr-surface:    #ffffff;
  --clr-border:     #e2e8f0;
  --clr-border-mid: #cbd5e1;

  --clr-blue-900:   #003b80;
  --clr-blue-700:   #005fd1;
  --clr-blue-600:   #2563eb;
  --clr-blue-100:   #dbeafe;
  --clr-blue-50:    #eff6ff;

  --clr-navy:       #0f172a;
  --clr-slate-900:  #0f172a;
  --clr-slate-800:  #1e293b;
  --clr-slate-600:  #475569;
  --clr-slate-400:  #94a3b8;
  --clr-slate-200:  #e2e8f0;

  --clr-green-50:   #f0fdf4;
  --clr-green-500:  #22c55e;

  --clr-red-50:     #fef2f2;
  --clr-red-500:    #dc2626;
  --clr-red-700:    #b91c1c;

  --clr-amber-50:   #fffbeb;
  --clr-amber-500:  #f59e0b;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --sidebar-width: 280px;
  --content-max:   860px;
  --radius-sm:     8px;
  --radius-md:     16px;
  --radius-lg:     24px;
  --radius-xl:     32px;

  --shadow-sm:  0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
  --shadow-md:  0 4px 16px rgba(15,23,42,0.08), 0 2px 6px rgba(15,23,42,0.04);
  --shadow-lg:  0 10px 30px rgba(15,23,42,0.1),  0 4px 12px rgba(15,23,42,0.06);

  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Base ---------- */
html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-slate-800);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Layout ---------- */
.layout {
  display: flex;
  min-height: 100vh;
}

.content {
  flex: 1;
  min-width: 0;
  padding: 2.5rem 3rem;
  max-width: var(--content-max);
  margin: 0 auto;
}

/* ---------- Progress Bar ---------- */
#progress-bar {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-blue-600), #818cf8);
  z-index: 9999;
  transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(circle at top left, rgba(59,130,246,0.25), transparent 40%),
    radial-gradient(circle at bottom right, rgba(99,102,241,0.2), transparent 50%),
    linear-gradient(135deg, var(--clr-blue-900) 0%, var(--clr-blue-700) 100%);
  color: white;
  padding: 4rem 3.5rem;
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.badge {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.9);
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  backdrop-filter: blur(8px);
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  color: white;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
  margin-bottom: 2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.hero-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
}

.hero-card .label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.6);
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.hero-card .value {
  font-size: 0.95rem;
  color: white;
  font-weight: 600;
}

.hero-confidential {
  margin-top: 2.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}

/* ---------- Navigation Cards (index.html) ---------- */
.nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.doc-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.doc-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-blue-600), #818cf8);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.doc-card:hover {
  border-color: var(--clr-blue-600);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.doc-card:hover::before { transform: scaleX(1); }

.doc-card .card-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--clr-blue-600);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.doc-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-slate-900);
  margin: 0;
}

.doc-card p {
  font-size: 0.85rem;
  color: var(--clr-slate-600);
  margin: 0;
  line-height: 1.5;
}

.doc-card .card-arrow {
  margin-top: auto;
  font-size: 1.1rem;
  color: var(--clr-blue-600);
  transition: transform var(--transition);
}

.doc-card:hover .card-arrow { transform: translateX(4px); }

/* ---------- Section Card ---------- */
.section-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
  margin-top: 2rem;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--clr-slate-400);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--clr-blue-600);
  text-decoration: none;
  transition: color var(--transition);
}
.breadcrumb a:hover { color: var(--clr-blue-900); }
.breadcrumb .sep { color: var(--clr-slate-400); }
.breadcrumb .current { color: var(--clr-slate-800); font-weight: 600; }

/* ---------- Typography ---------- */
h1 {
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--clr-slate-900);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--clr-slate-900);
  letter-spacing: -0.02em;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--clr-border);
}

h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #1e3a8a;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

p {
  color: var(--clr-slate-600);
  line-height: 1.85;
  margin-bottom: 1rem;
}

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  color: var(--clr-slate-600);
  line-height: 1.9;
  margin-bottom: 0.3rem;
}

.inline-code {
  background: var(--clr-blue-50);
  color: #be185d;
  padding: 0.18rem 0.45rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.88em;
  font-weight: 500;
}

/* ---------- Code Blocks ---------- */
.code-wrapper {
  position: relative;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

pre {
  background: var(--clr-navy);
  color: #e2e8f0;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.75;
  font-family: var(--font-mono);
  position: relative;
  border: 1px solid #1e293b;
}

pre code {
  font-family: inherit;
  background: none;
  color: inherit;
  padding: 0;
}

/* Syntax highlight colours */
.kw  { color: #c084fc; }  /* keywords */
.fn  { color: #60a5fa; }  /* functions */
.st  { color: #86efac; }  /* strings */
.cm  { color: #64748b; font-style: italic; } /* comments */
.nb  { color: #f59e0b; }  /* numbers */
.cl  { color: #f0abfc; }  /* classes */
.op  { color: #94a3b8; }  /* operators */

/* ---------- Copy Button ---------- */
.copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: var(--transition);
  letter-spacing: 0.03em;
}

.copy-btn:hover {
  background: var(--clr-blue-600);
  color: white;
  border-color: var(--clr-blue-600);
}

.copy-btn.copied {
  background: var(--clr-green-500);
  color: white;
  border-color: var(--clr-green-500);
}

/* ---------- Note / Warning boxes ---------- */
.note-box, .warning-box, .tip-box {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin: 1.25rem 0;
  display: flex;
  gap: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.65;
}

.note-box {
  background: var(--clr-blue-50);
  border-left: 4px solid var(--clr-blue-600);
  color: #1e40af;
}

.warning-box {
  background: var(--clr-red-50);
  border-left: 4px solid var(--clr-red-500);
  color: var(--clr-red-700);
}

.tip-box {
  background: var(--clr-amber-50);
  border-left: 4px solid var(--clr-amber-500);
  color: #92400e;
}

.box-icon {
  flex-shrink: 0;
  font-size: 1rem;
  margin-top: 1px;
}

.box-content strong { display: block; margin-bottom: 0.25rem; font-weight: 700; }

/* ---------- Tables ---------- */
.table-wrapper {
  overflow-x: auto;
  margin: 1.25rem 0 1.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

thead { background: var(--clr-blue-50); }

th {
  color: #1e3a8a;
  font-weight: 700;
  padding: 0.85rem 1.1rem;
  text-align: left;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--clr-border);
  white-space: nowrap;
}

td {
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--clr-border);
  color: var(--clr-slate-600);
  vertical-align: top;
}

td code, td .inline-code {
  font-size: 0.82rem;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--clr-bg); }

td:first-child {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--clr-slate-800);
  font-weight: 500;
}

.status-ok   { color: var(--clr-green-500); font-weight: 700; }
.status-soon { color: var(--clr-amber-500); font-weight: 700; }

/* ---------- Page Nav (prev/next) ---------- */
.page-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--clr-border);
}

.page-nav a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  padding: 0.85rem 1.5rem;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  background: var(--clr-surface);
  color: var(--clr-slate-800);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  flex: 1;
  max-width: 48%;
}

.page-nav a:hover {
  border-color: var(--clr-blue-600);
  color: var(--clr-blue-600);
  box-shadow: var(--shadow-md);
}

.page-nav .prev { justify-content: flex-start; }
.page-nav .next { justify-content: flex-end; margin-left: auto; }
.page-nav .nav-label { font-size: 0.7rem; color: var(--clr-slate-400); display: block; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
.page-nav .nav-title { display: block; color: inherit; }

/* ---------- Footer ---------- */
footer {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--clr-slate-400);
  font-size: 0.85rem;
  border-top: 1px solid var(--clr-border);
  margin-top: 3rem;
}

footer strong { color: var(--clr-blue-600); }

/* ---------- Section anchor offset (sticky header) ---------- */
[id] { scroll-margin-top: 1.5rem; }

/* ---------- Search Results ---------- */
#search-results {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  max-height: 320px;
  overflow-y: auto;
  z-index: 200;
  box-shadow: var(--shadow-lg);
  display: none;
}

#search-results.open { display: block; }

.search-result-item {
  display: block;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--clr-border);
  text-decoration: none;
  color: var(--clr-slate-800);
  font-size: 0.88rem;
  transition: background var(--transition);
}

.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--clr-blue-50); }
.search-result-item .result-title { font-weight: 600; }
.search-result-item .result-page  { font-size: 0.75rem; color: var(--clr-slate-400); }

/* ---------- Mobile Menu Button ---------- */
#mobile-menu-btn {
  display: none;
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 52px;
  height: 52px;
  background: var(--clr-blue-600);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.4rem;
  cursor: pointer;
  z-index: 300;
  box-shadow: 0 4px 20px rgba(37,99,235,0.4);
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

#mobile-menu-btn:hover { background: var(--clr-blue-900); }

/* ---------- Utility ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

.mt-sm  { margin-top: 0.75rem; }
.mt-md  { margin-top: 1.5rem; }
.mt-lg  { margin-top: 2rem; }