/* ==========================================================================
   CargoPRO Documentation — Design System
   ========================================================================== */
:root {
  --brand: #00D084;
  --brand-2: #0ea5e9;
  --brand-grad: linear-gradient(135deg, #00D084 0%, #0ea5e9 100%);
  --ink: #0f172a;
  --ink-2: #334155;
  --ink-3: #64748b;
  --bg: #f8fafc;
  --card: #ffffff;
  --line: #e2e8f0;
  --sidebar-bg: #0b1220;
  --sidebar-ink: #94a3b8;
  --sidebar-active: #00D084;
  --code-bg: #0f172a;
  --code-ink: #e2e8f0;
  --ok: #16a34a;
  --warn: #d97706;
  --err: #dc2626;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 8px 24px -12px rgba(15, 23, 42, .12);
  --font: 'Segoe UI', 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'Cascadia Code', 'JetBrains Mono', Consolas, monospace;
}
[data-theme="dark"] {
  --bg: #0b1220;
  --card: #101a2c;
  --ink: #e2e8f0;
  --ink-2: #cbd5e1;
  --ink-3: #94a3b8;
  --line: #1e293b;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.5);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; font-family: var(--font); background: var(--bg); color: var(--ink);
  font-size: 15.5px; line-height: 1.65; -webkit-font-smoothing: antialiased;
}

/* ---------------------------------------------------------------- layout */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 272px; flex: 0 0 272px; background: var(--sidebar-bg); color: var(--sidebar-ink);
  position: sticky; top: 0; height: 100vh; overflow-y: auto; padding: 20px 14px 40px;
  scrollbar-width: thin; scrollbar-color: #1e293b transparent;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background: #1e293b; border-radius: 3px; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 14px;
  padding: 12px 28px; background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--line);
}
.topbar .crumb { font-size: 13px; color: var(--ink-3); font-weight: 600; letter-spacing: .3px; }
.topbar .crumb b { color: var(--ink); }
.topbar .spacer { flex: 1; }
.topbar input#search {
  width: min(340px, 40vw); padding: 8px 14px 8px 34px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); font-family: var(--font); font-size: 13.5px; outline: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.4'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: 11px center;
}
.topbar input#search:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(0,208,132,.15); }
.search-results {
  position: absolute; top: 46px; right: 28px; width: min(430px, 90vw); max-height: 60vh; overflow: auto;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow);
  display: none; z-index: 60; padding: 6px;
}
.search-results.open { display: block; }
.search-results a {
  display: block; padding: 8px 12px; border-radius: 8px; color: var(--ink); text-decoration: none; font-size: 13.5px;
}
.search-results a:hover { background: rgba(0,208,132,.1); }
.search-results a .pg { color: var(--ink-3); font-size: 11.5px; margin-left: 6px; }
.icon-btn {
  border: 1px solid var(--line); background: var(--card); color: var(--ink); width: 36px; height: 36px;
  border-radius: 10px; cursor: pointer; font-size: 15px; display: grid; place-items: center; transition: .2s;
}
.icon-btn:hover { border-color: var(--brand); color: var(--brand); }
.topbar a.home-link {
  display: inline-flex; align-items: center; gap: 7px; height: 36px; padding: 0 14px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--card); color: var(--ink);
  font-size: 13.5px; font-weight: 600; text-decoration: none; white-space: nowrap; transition: .2s;
}
.topbar a.home-link:hover { border-color: var(--brand); color: var(--brand); }

.content { width: min(980px, 100%); margin: 0 auto; padding: 34px 32px 90px; flex: 1; }

/* --------------------------------------------------------------- sidebar */
.brand { display: flex; align-items: center; gap: 11px; padding: 6px 10px 18px; }
.brand img { width: 40px; height: 40px; border-radius: 10px; object-fit: contain; background: #fff; padding: 3px; }
.brand .t1 { color: #f8fafc; font-weight: 800; font-size: 15px; letter-spacing: .2px; }
.brand .t2 { font-size: 11px; color: var(--sidebar-ink); letter-spacing: 1.4px; text-transform: uppercase; }
.nav-group { margin: 18px 0 0; }
.nav-group > .nav-label {
  font-size: 10.5px; letter-spacing: 1.6px; text-transform: uppercase; color: #475569;
  padding: 0 12px 6px; font-weight: 700;
}
.nav-group a {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px; margin: 1px 0; border-radius: 9px;
  color: var(--sidebar-ink); text-decoration: none; font-size: 13.8px; font-weight: 500; transition: .15s;
  border-left: 2px solid transparent;
}
.nav-group a .ico { width: 18px; text-align: center; opacity: .85; }
.nav-group a:hover { color: #e2e8f0; background: rgba(148,163,184,.08); }
.nav-group a.active {
  color: #fff; background: linear-gradient(90deg, rgba(0,208,132,.16), rgba(14,165,233,.05));
  border-left-color: var(--sidebar-active);
}
.sidebar .foot {
  margin-top: 26px; padding: 14px; border-radius: 12px; background: rgba(0,208,132,.07);
  border: 1px solid rgba(0,208,132,.22); font-size: 12.5px; color: #cbd5e1;
}
.sidebar .foot b { color: var(--brand); display: block; margin-bottom: 4px; font-size: 12px; letter-spacing: .8px; }
.sidebar .foot a { color: #7dd3fc; text-decoration: none; }
.sidebar .foot a:hover { text-decoration: underline; }

/* ------------------------------------------------------------------ hero */
.hero {
  position: relative; overflow: hidden; border-radius: 22px; padding: 54px 48px; margin-bottom: 34px;
  background: radial-gradient(1200px 500px at 85% -10%, rgba(14,165,233,.25), transparent 60%),
              radial-gradient(900px 420px at -10% 110%, rgba(0,208,132,.22), transparent 55%),
              var(--code-bg); color: #f1f5f9;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(148,163,184,.14) 1px, transparent 1px);
  background-size: 26px 26px; mask-image: linear-gradient(180deg, transparent 40%, #000);
}
.hero h1 { margin: 0 0 10px; font-size: clamp(26px, 3.6vw, 40px); line-height: 1.15; letter-spacing: -.5px; }
.hero h1 .grad { background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { margin: 0 0 22px; max-width: 640px; color: #cbd5e1; font-size: 16px; }
.hero .btns { display: flex; gap: 12px; flex-wrap: wrap; position: relative; z-index: 1; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 12px; font-weight: 700;
  font-size: 14px; text-decoration: none; transition: .2s; border: none; cursor: pointer; font-family: var(--font);
}
.btn.primary { background: var(--brand-grad); color: #05261a; box-shadow: 0 8px 22px -8px rgba(0,208,132,.6); }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -8px rgba(0,208,132,.75); }
.btn.ghost { background: rgba(255,255,255,.08); color: #f1f5f9; border: 1px solid rgba(255,255,255,.18); }
.btn.ghost:hover { background: rgba(255,255,255,.14); }
.hero .logos { position: absolute; right: 40px; bottom: 40px; display: flex; gap: 14px; z-index: 1; }
.hero .logos img {
  width: 58px; height: 58px; border-radius: 14px; background: #fff; padding: 5px; object-fit: contain;
  box-shadow: 0 10px 30px -10px rgba(0,0,0,.5); animation: float 6s ease-in-out infinite;
}
.hero .logos img:nth-child(2) { animation-delay: 1.2s; }
.hero .logos img:nth-child(3) { animation-delay: 2.4s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ------------------------------------------------------------- typography */
h1.pagetitle { font-size: clamp(24px, 3vw, 32px); letter-spacing: -.4px; margin: 4px 0 6px; }
p.lead { color: var(--ink-2); font-size: 16.5px; max-width: 760px; }
h2 { font-size: 22px; margin: 44px 0 12px; letter-spacing: -.3px; display: flex; align-items: center; gap: 10px; }
h2::before { content: ""; width: 5px; height: 22px; border-radius: 3px; background: var(--brand-grad); flex: 0 0 auto; }
h3 { font-size: 16.5px; margin: 26px 0 8px; }
h4 { font-size: 14.5px; margin: 18px 0 6px; color: var(--ink-2); }
a { color: var(--brand-2); }
.content ul, .content ol { padding-left: 22px; }
.content li { margin: 4px 0; }
hr { border: none; border-top: 1px solid var(--line); margin: 30px 0; }

/* ------------------------------------------------------------------ cards */
.grid { display: grid; gap: 16px; margin: 18px 0; }
.grid.c2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
  box-shadow: var(--shadow); transition: .25s; position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-3px); border-color: rgba(0,208,132,.45); }
.card .ico {
  width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font-size: 20px;
  background: rgba(0,208,132,.12); margin-bottom: 12px;
}
.card h3 { margin: 0 0 6px; font-size: 15.5px; }
.card p { margin: 0; color: var(--ink-3); font-size: 13.8px; }
a.cardlink { text-decoration: none; color: inherit; }

/* --------------------------------------------------------------- callouts */
.callout {
  border-radius: 12px; padding: 14px 16px 14px 46px; margin: 16px 0; font-size: 14px;
  border: 1px solid; position: relative;
}
.callout::before {
  position: absolute; left: 15px; top: 13px; font-size: 16px; font-weight: 800;
}
.callout.info { background: rgba(14,165,233,.08); border-color: rgba(14,165,233,.3); }
.callout.info::before { content: "i"; color: #0ea5e9; font-style: italic; font-family: Georgia; }
.callout.tip { background: rgba(0,208,132,.08); border-color: rgba(0,208,132,.35); }
.callout.tip::before { content: "✓"; color: var(--brand); }
.callout.warn { background: rgba(217,119,6,.08); border-color: rgba(217,119,6,.35); }
.callout.warn::before { content: "!"; color: var(--warn); }
.callout.danger { background: rgba(220,38,38,.07); border-color: rgba(220,38,38,.35); }
.callout.danger::before { content: "✕"; color: var(--err); }
.callout b.t { display: block; margin-bottom: 3px; font-size: 13px; letter-spacing: .5px; text-transform: uppercase; }

/* ------------------------------------------------------------------ code */
pre.code, .codeblock {
  background: var(--code-bg); color: var(--code-ink); border-radius: 12px; padding: 16px 18px;
  overflow-x: auto; font-family: var(--mono); font-size: 13px; line-height: 1.6; position: relative;
  margin: 12px 0; border: 1px solid #1e293b;
}
.codeblock .copy {
  position: absolute; top: 8px; right: 8px; background: rgba(255,255,255,.08); color: #cbd5e1; border: none;
  border-radius: 7px; padding: 4px 10px; font-size: 11.5px; cursor: pointer; font-family: var(--font);
}
.codeblock .copy:hover { background: rgba(255,255,255,.16); color: #fff; }
code.inline, p code, li code, td code, h3 code {
  background: rgba(14,165,233,.1); color: #0369a1; border-radius: 6px; padding: 1.5px 7px;
  font-family: var(--mono); font-size: .88em; white-space: nowrap;
}
[data-theme="dark"] p code, [data-theme="dark"] li code, [data-theme="dark"] td code { color: #7dd3fc; background: rgba(14,165,233,.15); }
.codeblock code, pre.code { color: inherit; background: none; padding: 0; }

/* ----------------------------------------------------------------- steps */
.steps { counter-reset: step; margin: 20px 0; }
.step {
  position: relative; padding: 4px 0 22px 56px; border-left: 2px solid var(--line); margin-left: 19px;
}
.step:last-child { border-left-color: transparent; padding-bottom: 4px; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: -19px; top: 2px; width: 38px; height: 38px; border-radius: 50%;
  background: var(--brand-grad); color: #05261a; font-weight: 800; display: grid; place-items: center;
  font-size: 15px; box-shadow: 0 6px 16px -6px rgba(0,208,132,.55); border: 3px solid var(--bg);
}
.step h3 { margin: 4px 0 6px; }
.step p { margin: 0 0 8px; color: var(--ink-2); font-size: 14.5px; }
.step .detail { color: var(--ink-3); font-size: 13.5px; }

/* -------------------------------------------------------------- screenshots */
figure.shot { margin: 18px 0; }
figure.shot .frame {
  border-radius: 14px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow);
  background: var(--card);
}
figure.shot img { display: block; width: 100%; }
figure.shot .placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  min-height: 170px; background:
    repeating-conic-gradient(var(--card) 0% 25%, color-mix(in srgb, var(--card) 60%, var(--line)) 0% 50%) 0 0/22px 22px;
  color: var(--ink-3); font-size: 13px; font-weight: 600; padding: 22px; text-align: center;
}
figure.shot .placeholder .big { font-size: 30px; }
figure.shot figcaption { font-size: 12.5px; color: var(--ink-3); margin-top: 8px; text-align: center; }

/* ------------------------------------------------------------------ tabs */
.tabs { margin: 16px 0; }
.tabs .tab-btns { display: flex; gap: 6px; border-bottom: 2px solid var(--line); flex-wrap: wrap; }
.tabs .tab-btns button {
  border: none; background: none; padding: 9px 16px; font-family: var(--font); font-size: 13.5px; font-weight: 700;
  color: var(--ink-3); cursor: pointer; border-radius: 9px 9px 0 0; margin-bottom: -2px;
  border-bottom: 2px solid transparent;
}
.tabs .tab-btns button.active { color: var(--brand); border-bottom-color: var(--brand); }
.tabs .tab-pane { display: none; padding-top: 14px; }
.tabs .tab-pane.active { display: block; animation: fadeUp .35s ease; }

/* ---------------------------------------------------------------- tables */
.tbl { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 13.8px; }
.tbl th {
  text-align: left; padding: 10px 12px; background: rgba(0,208,132,.08); color: var(--ink);
  font-size: 12px; letter-spacing: .8px; text-transform: uppercase; border-bottom: 2px solid rgba(0,208,132,.25);
}
.tbl td { padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl tr:hover td { background: rgba(14,165,233,.04); }
.tbl code { font-size: .85em; }

/* -------------------------------------------------------------- accordion */
details.acc {
  border: 1px solid var(--line); border-radius: 12px; margin: 10px 0; background: var(--card); overflow: hidden;
}
details.acc summary {
  cursor: pointer; padding: 14px 44px 14px 16px; font-weight: 700; font-size: 14.5px; list-style: none;
  position: relative; user-select: none;
}
details.acc summary::-webkit-details-marker { display: none; }
details.acc summary::after {
  content: "+"; position: absolute; right: 16px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px; border-radius: 8px; background: rgba(0,208,132,.12); color: var(--brand);
  display: grid; place-items: center; font-weight: 800; transition: .2s;
}
details.acc[open] summary::after { content: "−"; transform: translateY(-50%) rotate(180deg); }
details.acc .acc-body { padding: 0 16px 16px; color: var(--ink-2); font-size: 14px; }
details.acc[open] summary { color: var(--brand); }

/* ----------------------------------------------------------------- badges */
.badge {
  display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 800; letter-spacing: .5px;
  padding: 3px 10px; border-radius: 999px; text-transform: uppercase;
}
.badge.get { background: rgba(0,208,132,.13); color: #047857; }
.badge.post { background: rgba(14,165,233,.13); color: #0369a1; }
.badge.put { background: rgba(217,119,6,.13); color: #b45309; }
.badge.del { background: rgba(220,38,38,.12); color: #b91c1c; }
.badge.ok { background: rgba(0,208,132,.13); color: #047857; }
.badge.warn { background: rgba(217,119,6,.13); color: #b45309; }
[data-theme="dark"] .badge.get, [data-theme="dark"] .badge.ok { color: #4ade80; }
[data-theme="dark"] .badge.post { color: #7dd3fc; }
[data-theme="dark"] .badge.put, [data-theme="dark"] .badge.warn { color: #fbbf24; }
[data-theme="dark"] .badge.del { color: #f87171; }

/* ----------------------------------------------------------------- misc UI */
.kbd {
  font-family: var(--mono); font-size: 12px; border: 1px solid var(--line); border-bottom-width: 2.5px;
  border-radius: 6px; padding: 1.5px 7px; background: var(--card);
}
.pill-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.pill {
  font-size: 12.5px; font-weight: 700; padding: 6px 13px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink-2);
}
.pill.green { border-color: rgba(0,208,132,.4); color: #047857; background: rgba(0,208,132,.07); }
.pill.blue { border-color: rgba(14,165,233,.4); color: #0369a1; background: rgba(14,165,233,.07); }

.next-prev { display: flex; gap: 12px; margin-top: 56px; }
.next-prev a {
  flex: 1; text-decoration: none; border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px;
  background: var(--card); transition: .2s;
}
.next-prev a:hover { border-color: var(--brand); }
.next-prev .lbl { font-size: 11px; letter-spacing: 1.2px; color: var(--ink-3); text-transform: uppercase; font-weight: 700; }
.next-prev .ttl { font-weight: 700; color: var(--ink); margin-top: 2px; font-size: 14.5px; }
.next-prev a.next { text-align: right; }

footer.page-foot {
  margin-top: 60px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--ink-3); font-size: 12.5px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}

/* -------------------------------------------------------------- animations */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in { opacity: 1; transform: none; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.mermaid { display: flex; justify-content: center; margin: 18px 0; }
.mermaid svg { max-width: 100%; }

/* phone mock */
.phone-mock {
  width: 250px; border-radius: 34px; border: 8px solid #0f172a; background: var(--card); overflow: hidden;
  box-shadow: var(--shadow); margin: 14px auto; position: relative;
}
.phone-mock .notch { width: 90px; height: 18px; background: #0f172a; border-radius: 0 0 14px 14px; margin: 0 auto; }
.phone-mock .screen { padding: 16px 14px; }
.phone-mock img.mimg { width: 100%; border-radius: 14px; }

/* ------------------------------------------------------------- responsive */
@media (max-width: 960px) {
  .sidebar { position: fixed; left: -280px; z-index: 100; transition: .28s; box-shadow: 0 0 60px rgba(0,0,0,.5); }
  .sidebar.open { left: 0; }
  .menu-toggle { display: grid !important; }
  .content { padding: 24px 18px 70px; }
  .hero { padding: 38px 26px; }
  .hero .logos { position: static; margin-top: 22px; }
}
.menu-toggle { display: none; }
.backdrop { display: none; position: fixed; inset: 0; background: rgba(2,6,23,.55); z-index: 90; }
.backdrop.show { display: block; }

/* phone screenshot rows (portrait app screens side by side) */
.shots-phone { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 18px 0; align-items: start; }
.shots-phone figure { margin: 0; }