/* ═══════════════════════════════════════════════════
   SF Logistics API — Shared Styles
   ═══════════════════════════════════════════════════ */
:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #1c2128;
  --border: #30363d;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --green: #3fb950;
  --red: #f85149;
  --orange: #d29922;
  --purple: #bc8cff;
  --method-get: #3fb950;
  --method-post: #58a6ff;
  --radius: 8px;
  --font-mono: 'SF Mono','Fira Code','JetBrains Mono',Consolas,monospace;
  --header-h: 56px;
  --sidebar-w: 260px;
  --section-nav-w: 220px;
  --layout-max: 1400px;
}

/* ─── Reset ─────────────────────────────────────── */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:16px}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover);text-decoration:underline}

/* ─── Fixed Top Bar ─────────────────────────────── */
.top-bar{
  position:fixed;top:0;left:0;right:0;
  height:var(--header-h);
  background:var(--surface);
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;
  padding:0 max(20px, calc((100vw - var(--layout-max)) / 2 + 20px));gap:16px;
  z-index:100;
}
.top-bar-left{display:flex;align-items:baseline;gap:10px;flex-shrink:0}
.top-bar-left h1{font-size:18px;font-weight:700;white-space:nowrap}
.top-bar-left .version{font-size:11px;color:var(--text-muted);white-space:nowrap}
.logo-link{color:var(--text);text-decoration:none}
.logo-link:hover{color:var(--accent);text-decoration:none}
.top-bar-center{flex:1;display:flex;align-items:center;gap:10px;min-width:0;overflow:hidden}
.top-bar-center label{font-size:12px;font-weight:600;white-space:nowrap;color:var(--text-muted)}
.top-bar-center input{
  flex:1;min-width:80px;padding:6px 10px;
  background:var(--bg);border:1px solid var(--border);border-radius:6px;
  color:var(--text);font-family:var(--font-mono);font-size:12px;
}
.top-bar-center input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(88,166,255,.15)}
.top-bar-right{flex-shrink:0}
.lang-switcher{display:flex;gap:4px}
.lang-btn{
  padding:4px 10px;border-radius:4px;font-size:12px;font-weight:600;
  cursor:pointer;border:1px solid var(--border);background:var(--bg);
  color:var(--text-muted);transition:all .15s;
}
.lang-btn:hover{border-color:var(--accent);color:var(--text)}
.lang-btn.active{background:var(--accent);color:#000;border-color:var(--accent)}

/* ─── Layout ────────────────────────────────────── */
.layout{display:flex;min-height:100vh;padding-top:var(--header-h);max-width:var(--layout-max);margin:0 auto}

/* ─── Sidebar ───────────────────────────────────── */
.sidebar{
  width:var(--sidebar-w);background:var(--surface);
  border-right:1px solid var(--border);
  position:fixed;top:var(--header-h);left:max(0px, calc((100vw - var(--layout-max)) / 2));bottom:0;
  overflow-y:auto;z-index:10;padding:16px 0;
}
.sidebar-logo{padding:0 20px 16px;border-bottom:1px solid var(--border);margin-bottom:12px}
.sidebar-logo h1{font-size:17px;font-weight:700}
.sidebar-logo p{font-size:11px;color:var(--text-muted);margin-top:2px}
.sidebar-section{padding:6px 12px}
.sidebar-section h3{
  font-size:10px;text-transform:uppercase;letter-spacing:1px;
  color:var(--text-muted);margin-bottom:6px;padding-left:4px;
}
.sidebar-group-title{
  font-size:12px;font-weight:700;color:var(--accent);
  padding:10px 12px 4px;opacity:.95;
}
.sidebar-link{
  display:flex;align-items:center;gap:8px;
  padding:7px 12px;border-radius:6px;font-size:14px;
  color:var(--text-muted);cursor:pointer;transition:all .15s;
  text-decoration:none;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
}
.sidebar-link:hover{background:var(--surface-2);color:var(--text);text-decoration:none}
.sidebar-link.active{background:rgba(88,166,255,.1);color:var(--accent)}
.method-badge{
  font-size:10px;font-weight:700;padding:1px 6px;border-radius:4px;
  font-family:var(--font-mono);flex-shrink:0;
}
.badge-get{background:rgba(63,185,80,.15);color:var(--method-get)}
.badge-post{background:rgba(88,166,255,.15);color:var(--method-post)}
.badge-mcp{background:rgba(188,140,255,.15);color:var(--purple)}
.ep-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--font-mono);font-size:13px}

/* ─── Main Content ──────────────────────────────── */
.main{
  margin-left:var(--sidebar-w);flex:1;
  padding:40px 48px 60px;
  padding-right:calc(var(--section-nav-w) + 48px);
  position:relative;
}

/* ─── Sections ──────────────────────────────────── */
.section{margin-bottom:40px;scroll-margin-top:calc(var(--header-h) + 16px)}
.section h2{font-size:32px;font-weight:700;margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.section h3{font-size:24px;font-weight:600;margin:28px 0 14px;scroll-margin-top:calc(var(--header-h) + 16px)}
.section p{color:var(--text-muted);margin-bottom:14px;font-size:16px}

/* ─── Tables ────────────────────────────────────── */
table{width:100%;border-collapse:collapse;margin:14px 0 24px;font-size:15px}
th{text-align:left;padding:12px 14px;background:var(--surface-2);border-bottom:1px solid var(--border);font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted)}
td{padding:12px 14px;border-bottom:1px solid var(--border)}
td code{font-family:var(--font-mono);font-size:14px;background:var(--surface-2);padding:2px 6px;border-radius:4px}
.required{color:var(--red);font-weight:600;font-size:12px}
.optional{color:var(--text-muted);font-size:12px}

/* ─── Code blocks ───────────────────────────────── */
pre{
  background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px;overflow-x:auto;font-family:var(--font-mono);font-size:14px;
  line-height:1.6;margin:14px 0;
}
code{font-family:var(--font-mono)}

/* ─── Info boxes ────────────────────────────────── */
.info-box{padding:16px 18px;border-radius:var(--radius);margin:14px 0;font-size:15px;display:flex;gap:10px}
.info-box.tip{background:rgba(63,185,80,.08);border-left:3px solid var(--green)}
.info-box.warning{background:rgba(210,153,34,.08);border-left:3px solid var(--orange)}
.info-box.note{background:rgba(88,166,255,.08);border-left:3px solid var(--accent)}

/* ─── Documentation media / diagrams ───────────────── */
.diagram-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin:16px 0 24px}
.diagram-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.diagram-card img{display:block;width:100%;height:auto;background:#fff}
.diagram-card figcaption{padding:12px 14px;font-size:13px;color:var(--text-muted)}
.media-slider{width:100%;margin:16px 0 10px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.slider-viewport{overflow:hidden;width:100%}
.slider-track{display:flex;width:100%;transition:transform .28s ease}
.slider-slide{min-width:100%;margin:0;background:var(--surface)}
.slider-slide img{display:block;width:100%;max-height:72vh;object-fit:contain;background:#fff;cursor:zoom-in}
.slider-slide figcaption{padding:14px 16px;font-size:13px;color:var(--text-muted)}
.slider-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-top:1px solid var(--border);flex-wrap:wrap}
.slider-actions{display:flex;gap:8px;flex-wrap:wrap}
.slider-status,.lightbox-status{font-family:var(--font-mono);font-size:12px;color:var(--text-muted)}
.slider-hint{font-size:13px;color:var(--text-muted);margin-top:0}
.media-lightbox{
  position:fixed;inset:0;display:none;align-items:center;justify-content:center;
  background:rgba(0,0,0,.88);padding:20px;z-index:250;
}
.media-lightbox.visible{display:flex}
.lightbox-shell{
  width:min(96vw,1600px);max-height:96vh;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  box-shadow:0 20px 60px rgba(0,0,0,.55);
}
.lightbox-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border)}
.lightbox-body{padding:16px}
.lightbox-body img{display:block;width:100%;max-height:calc(96vh - 140px);object-fit:contain;background:#fff}
.lightbox-caption{margin:12px 0 0;font-size:14px;color:var(--text-muted)}
.steps-list{margin-left:20px;color:var(--text-muted)}
.steps-list li{margin-bottom:8px}
.callout-list{margin-left:20px;color:var(--text-muted)}
.callout-list li{margin-bottom:6px}

/* ─── Test panel ────────────────────────────────── */
.test-panel{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-top:20px}
.test-panel h4{font-size:14px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.test-panel h4::before{content:'▶';font-size:10px;color:var(--green)}
.test-fields{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.field-row{flex:1;min-width:120px}
.field-row label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:4px;font-weight:500}
.field-row input,.field-row select,.field-row textarea{
  width:100%;padding:8px 12px;background:var(--surface);
  border:1px solid var(--border);border-radius:6px;
  color:var(--text);font-family:var(--font-mono);font-size:13px;
}
.field-row input:focus,.field-row select:focus,.field-row textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(88,166,255,.2);
}
.field-row.full-width{flex:0 0 100%}
.test-row{display:flex;gap:8px;margin-top:4px}
.btn{
  padding:8px 20px;border-radius:6px;font-size:13px;font-weight:600;
  cursor:pointer;border:none;transition:all .15s;background:var(--accent);color:#000;
  display:inline-flex;align-items:center;gap:6px;
}
.btn:hover{background:var(--accent-hover)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-outline:hover{background:var(--surface-2);border-color:var(--accent)}
.form-group{margin-bottom:12px}
.form-group label{display:block;font-size:12px;color:var(--text-muted);margin-bottom:4px;font-weight:500}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:8px 12px;background:var(--surface);
  border:1px solid var(--border);border-radius:6px;
  color:var(--text);font-family:var(--font-mono);font-size:13px;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(88,166,255,.2);
}
.form-row{display:flex;gap:12px}.form-row .form-group{flex:1}
.btn{
  padding:8px 20px;border-radius:6px;font-size:13px;font-weight:600;
  cursor:pointer;border:none;transition:all .15s;
  display:inline-flex;align-items:center;gap:6px;
}
.btn-primary{background:var(--accent);color:#000}
.btn-primary:hover{background:var(--accent-hover)}
.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--surface-2)}
.btn-row{display:flex;gap:8px;margin-top:4px}

/* ─── Result / curl boxes ────────────────────────── */
.result-box,.curl-box{
  margin-top:12px;background:var(--surface);border:1px solid var(--border);border-radius:6px;
  padding:12px 16px;font-family:var(--font-mono);font-size:12px;
  color:var(--text-muted);white-space:pre-wrap;word-break:break-all;
}

/* ─── Response panel ─────────────────────────────── */
.response-panel{margin-top:16px;display:none}
.response-panel.visible{display:block}
.response-header{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:13px}
.status-badge{padding:2px 8px;border-radius:4px;font-size:12px;font-weight:700;font-family:var(--font-mono)}
.status-2xx{background:rgba(63,185,80,.15);color:var(--green)}
.status-4xx{background:rgba(248,81,73,.15);color:var(--red)}
.status-5xx{background:rgba(248,81,73,.15);color:var(--red)}
.response-time{color:var(--text-muted);font-size:12px}
.response-body{
  background:var(--surface);border:1px solid var(--border);border-radius:6px;
  padding:16px;font-family:var(--font-mono);font-size:13px;
  max-height:400px;overflow:auto;white-space:pre-wrap;
}

/* ─── cURL display ──────────────────────────────── */
.curl-display{
  background:var(--surface);border:1px solid var(--border);border-radius:6px;
  padding:12px 16px;margin-top:12px;font-family:var(--font-mono);font-size:12px;
  color:var(--text-muted);white-space:pre-wrap;word-break:break-all;display:none;
}
.curl-display.visible{display:block}

/* ─── Tabs ──────────────────────────────────────── */
.tab-bar{display:flex;gap:0;border-bottom:1px solid var(--border);margin-bottom:16px}
.tab{
  padding:8px 16px;font-size:13px;cursor:pointer;
  border-bottom:2px solid transparent;color:var(--text-muted);transition:all .15s;
}
.tab:hover{color:var(--text)}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.tab-content{display:none}
.tab-content.active{display:block}

/* ─── Section Nav — right-side sticky TOC ────────── */
.section-nav{
  position:fixed;
  top:calc(var(--header-h) + 32px);
  right:max(24px, calc((100vw - var(--layout-max)) / 2 + 24px));
  width:var(--section-nav-w);
  max-height:calc(100vh - var(--header-h) - 64px);
  overflow-y:auto;
  padding:0;
  z-index:9;
}
.section-nav-title{
  display:flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;
  color:var(--text-muted);margin-bottom:10px;padding-left:12px;
}
.section-nav-title::before{
  content:'≡';font-size:14px;
}
.section-nav-list{
  list-style:none;display:flex;flex-direction:column;gap:0;margin:0;padding:0;
  border-left:1px solid var(--border);
}
.section-nav-list li{margin:0;padding:0}
.section-nav-list a{
  display:block;
  font-size:14px;line-height:1.5;color:var(--text-muted);text-decoration:none;
  padding:4px 12px;margin-left:-1px;
  border-left:2px solid transparent;
  transition:color .15s,border-color .15s;
}
.section-nav-list a:hover{
  color:var(--text);text-decoration:none;
}
.section-nav-list a.active{
  color:var(--text);border-left-color:var(--accent);font-weight:600;
}

/* ─── Page Footer Nav ───────────────────────────── */
.page-nav{
  display:flex;justify-content:space-between;
  margin-top:56px;padding-top:24px;
  border-top:1px solid var(--border);gap:16px;
}
.page-nav-prev,.page-nav-next{
  display:flex;flex-direction:column;gap:4px;
  padding:16px 20px;border:1px solid var(--border);
  border-radius:var(--radius);text-decoration:none;
  transition:all .15s;min-width:0;max-width:45%;
}
.page-nav-prev:hover,.page-nav-next:hover{
  border-color:var(--accent);background:var(--surface);text-decoration:none;
}
.page-nav-next{margin-left:auto;text-align:right}
.page-nav-dir{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}
.page-nav-title{
  font-size:14px;font-weight:600;color:var(--accent);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ─── Back to top ───────────────────────────────── */
.back-to-top{
  position:fixed;bottom:32px;right:32px;width:44px;height:44px;border-radius:50%;
  background:var(--accent);color:#000;border:none;cursor:pointer;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(0,0,0,.4);opacity:0;transform:translateY(12px);
  transition:opacity .25s,transform .25s,background .15s;
  pointer-events:none;z-index:99;
}
.back-to-top.visible{opacity:1;transform:translateY(0);pointer-events:auto}
.back-to-top:hover{background:var(--accent-hover)}

/* ─── Scrollbar ─────────────────────────────────── */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}

/* ─── Hamburger Menu Button ──────────────────────── */
.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:36px;height:36px;padding:6px;
  background:none;border:1px solid var(--border);border-radius:6px;
  cursor:pointer;flex-shrink:0;
}
.menu-toggle span{
  display:block;width:100%;height:2px;background:var(--text);
  border-radius:1px;transition:all .25s ease;
}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ─── Sidebar Overlay ────────────────────────────── */
.sidebar-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.6);
  z-index:49;opacity:0;pointer-events:none;
  transition:opacity .3s ease;
}
.sidebar-overlay.visible{opacity:1;pointer-events:auto}

/* ─── Responsive ────────────────────────────────── */
@media(max-width:1280px){
  .section-nav{display:none}
  .main{padding-right:48px}
}
@media(max-width:1024px){
  .menu-toggle{display:flex}
  .sidebar{
    transform:translateX(-100%);
    transition:transform .3s ease;
    z-index:50;
    left:0;
  }
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0;padding:32px 40px 48px}
}
@media(max-width:768px){
  .top-bar{padding:0 12px;gap:8px}
  .top-bar-center{display:none}
  .main{padding:20px 16px 40px}
  .page-nav{flex-direction:column}
  .page-nav-prev,.page-nav-next{max-width:100%}
  .slider-toolbar{align-items:stretch}
  .slider-actions{width:100%}
  .slider-actions .btn,.slider-open{flex:1}
  .lightbox-shell{width:100%;max-height:100vh;border-radius:0}
  .lightbox-body{padding:12px}
}