/* ============================================================
   Food Ordering API Docs — styles.css
   ============================================================ */

/* --- Custom Properties ------------------------------------ */
:root {
  /* Backgrounds */
  --bg:          #ffffff;
  --bg-sidebar:  #f7f7f8;
  --bg-subtle:   #f4f4f5;
  --bg-code:     #18181b;
  --bg-endpoint: #f9f9fa;

  /* Text */
  --t1: #18181b;
  --t2: #52525b;
  --t3: #a1a1aa;

  /* Borders */
  --bd:  #e4e4e7;
  --bd2: #d4d4d8;

  /* Sidebar */
  --sb-bg:      #f7f7f8;
  --sb-bd:      #e4e4e7;
  --sb-t:       #52525b;
  --sb-sec:     #a1a1aa;
  --sb-hover:   #ebebed;
  --sb-act-bg:  rgba(180,83,9,.07);
  --sb-act-t:   #b45309;
  --sb-act-bar: #d97706;

  /* Header */
  --hdr-bg: #ffffff;
  --hdr-bd: #e4e4e7;

  /* Accent */
  --ac:     #b45309;
  --ac-dim: rgba(180,83,9,.08);

  /* HTTP methods */
  --m-get-bg:  #f0fdf4;  --m-get-t:  #15803d;
  --m-post-bg: #eff6ff;  --m-post-t: #1d4ed8;
  --m-put-bg:  #fefce8;  --m-put-t:  #a16207;
  --m-del-bg:  #fff1f2;  --m-del-t:  #dc2626;

  /* Param badges */
  --b-req-bg:  #fff1f2;  --b-req-t:  #dc2626;
  --b-opt-bg:  #f0fdf4;  --b-opt-t:  #16a34a;
  --b-cond-bg: #fefce8;  --b-cond-t: #a16207;

  /* Callouts */
  --ci-bg: #eff6ff;  --ci-bd: #3b82f6;  --ci-t: #1e3a8a;
  --cw-bg: #fffbeb;  --cw-bd: #f59e0b;  --cw-t: #92400e;
  --cd-bg: #fff1f2;  --cd-bd: #ef4444;  --cd-t: #9f1239;
  --cs-bg: #f0fdf4;  --cs-bd: #22c55e;  --cs-t: #14532d;

  --rad: 6px;

  /* Structural */
  --sidebar-width: 260px;
  --header-height: 56px;
  --toc-width: 220px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

[data-theme="dark"] {
  --bg:          #0f0f0f;
  --bg-sidebar:  #111111;
  --bg-subtle:   #1a1a1a;
  --bg-code:     #090909;
  --bg-endpoint: #151515;

  --t1: #fafafa;
  --t2: #a1a1aa;
  --t3: #71717a;

  --bd:  #27272a;
  --bd2: #3f3f46;

  --sb-bg:      #111111;
  --sb-bd:      #27272a;
  --sb-t:       #a1a1aa;
  --sb-sec:     #52525b;
  --sb-hover:   #1c1c1c;
  --sb-act-bg:  rgba(251,191,36,.1);
  --sb-act-t:   #fbbf24;
  --sb-act-bar: #f59e0b;

  --hdr-bg: #0f0f0f;
  --hdr-bd: #27272a;

  --ac:     #fbbf24;
  --ac-dim: rgba(251,191,36,.1);

  --m-get-bg:  #052e16;   --m-get-t:  #4ade80;
  --m-post-bg: #0c1a2e;   --m-post-t: #93c5fd;
  --m-put-bg:  #1a1500;   --m-put-t:  #fbbf24;
  --m-del-bg:  #1a0000;   --m-del-t:  #f87171;

  --b-req-bg:  #1a0000;  --b-req-t:  #f87171;
  --b-opt-bg:  #052e16;  --b-opt-t:  #4ade80;
  --b-cond-bg: #1a1500;  --b-cond-t: #fbbf24;

  --ci-bg: rgba(59,130,246,.09);   --ci-bd: #3b82f6;  --ci-t: #93c5fd;
  --cw-bg: rgba(245,158,11,.08);   --cw-bd: #f59e0b;  --cw-t: #fcd34d;
  --cd-bg: rgba(239,68,68,.08);    --cd-bd: #ef4444;  --cd-t: #fca5a5;
  --cs-bg: rgba(34,197,94,.08);    --cs-bd: #22c55e;  --cs-t: #86efac;
}

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

html { font-size: 15px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--t1);
  background: var(--bg);
  transition: background 0.2s, color 0.2s;
}

a { color: var(--ac); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--t1);
  margin-bottom: 0.5em;
}
h1 { font-size: 1.75rem; margin-top: 0; }
h2 { font-size: 1.25rem; margin-top: 2rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--bd); }
h3 { font-size: 1.0625rem; margin-top: 1.5rem; }
h4 { font-size: 0.9375rem; margin-top: 1rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

ul, ol { padding-left: 1.5rem; margin-bottom: 1rem; }
li { margin-bottom: 0.25rem; }

code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--bg-subtle);
  border: 1px solid var(--bd);
  border-radius: 3px;
  padding: 0.15em 0.4em;
  color: var(--t1);
}

pre {
  background: var(--bg-code);
  border: 1px solid var(--bd);
  border-radius: var(--rad);
  padding: 1rem 1.25rem;
  overflow-x: auto;
  margin-bottom: 1rem;
  position: relative;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  color: #e4e4e7;
}

hr { border: none; border-top: 1px solid var(--bd); margin: 2rem 0; }

/* --- Header ----------------------------------------------- */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: var(--hdr-bg);
  border-bottom: 1px solid var(--hdr-bd);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 1.25rem;
  gap: 1rem;
}

.logo a {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--t1);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.header-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.version-badge {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--t3);
  background: var(--bg-subtle);
  border: 1px solid var(--bd);
  border-radius: 12px;
  padding: 0.2em 0.6em;
}

.icon-btn {
  background: none;
  border: 1px solid var(--bd);
  border-radius: var(--rad);
  width: 32px;
  height: 32px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--t2);
  transition: background 0.15s, border-color 0.15s;
}
.icon-btn:hover { background: var(--bg-subtle); border-color: var(--bd2); }

#sidebar-toggle { display: none; }

/* --- Layout ----------------------------------------------- */
.page-layout {
  display: flex;
  min-height: 100vh;
  padding-top: var(--header-height);
}

/* --- Sidebar ---------------------------------------------- */
#sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  position: fixed;
  top: var(--header-height);
  bottom: 0;
  left: 0;
  overflow-y: auto;
  background: var(--sb-bg);
  border-right: 1px solid var(--sb-bd);
  padding: 1.25rem 0 2rem;
  z-index: 50;
}

#sidebar::-webkit-scrollbar { width: 4px; }
#sidebar::-webkit-scrollbar-thumb { background: var(--bd); border-radius: 2px; }

.sidebar-group { margin-bottom: 0.25rem; }

.sidebar-group summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.35rem 1.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--sb-sec);
  cursor: pointer;
  user-select: none;
}
.sidebar-group summary::-webkit-details-marker { display: none; }
.sidebar-group summary::after {
  content: '›';
  font-size: 1rem;
  font-weight: 400;
  transition: transform 0.15s;
  color: var(--sb-sec);
}
.sidebar-group[open] summary::after { transform: rotate(90deg); }

.sidebar-links { padding: 0.25rem 0; }

.nav-link {
  display: block;
  padding: 0.35rem 1.25rem 0.35rem 1.5rem;
  font-size: 0.875rem;
  color: var(--sb-t);
  text-decoration: none;
  line-height: 1.4;
  border-left: 2px solid transparent;
  transition: color 0.1s, background 0.1s;
}
.nav-link:hover {
  color: var(--t1);
  background: var(--sb-hover);
  text-decoration: none;
}
.nav-link.active {
  color: var(--sb-act-t);
  border-left-color: var(--sb-act-bar);
  background: var(--sb-act-bg);
  font-weight: 500;
}

/* --- Main Content ----------------------------------------- */
#main-content {
  flex: 1;
  min-width: 0;
  margin-left: var(--sidebar-width);
  margin-right: var(--toc-width);
  padding: 2.5rem 2.5rem 4rem;
  max-width: 860px;
}

/* --- TOC (right sidebar) ---------------------------------- */
#toc-container {
  width: var(--toc-width);
  flex-shrink: 0;
  position: fixed;
  top: calc(var(--header-height) + 1.5rem);
  right: 0;
  bottom: 0;
  overflow-y: auto;
  padding: 0 1.25rem;
}

#toc-container h4 {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--t3);
  margin-bottom: 0.75rem;
}

#toc-list { list-style: none; padding: 0; }
#toc-list li { margin-bottom: 0; }
#toc-list a {
  display: block;
  font-size: 0.8125rem;
  color: var(--t2);
  padding: 0.2rem 0;
  border-left: 2px solid var(--bd);
  padding-left: 0.75rem;
  text-decoration: none;
  transition: color 0.1s, border-color 0.1s;
}
#toc-list a:hover { color: var(--t1); border-left-color: var(--bd2); }
#toc-list a.toc-h3 { padding-left: 1.5rem; font-size: 0.78125rem; }
#toc-list a.toc-active { color: var(--ac); border-left-color: var(--ac); }

/* --- Breadcrumbs ------------------------------------------ */
.breadcrumbs {
  font-size: 0.8125rem;
  color: var(--t3);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.breadcrumbs a { color: var(--t3); }
.breadcrumbs a:hover { color: var(--ac); }
.breadcrumbs .sep { color: var(--bd2); }

/* --- HTTP Method Badges ----------------------------------- */
.method-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.2em 0.55em;
  border-radius: 3px;
  vertical-align: middle;
  text-transform: uppercase;
}
.method-get    { background: var(--m-get-bg);  color: var(--m-get-t);  border: 1px solid var(--m-get-t); }
.method-post   { background: var(--m-post-bg); color: var(--m-post-t); border: 1px solid var(--m-post-t); }
.method-patch  { background: var(--m-put-bg);  color: var(--m-put-t);  border: 1px solid var(--m-put-t); }
.method-put    { background: var(--m-put-bg);  color: var(--m-put-t);  border: 1px solid var(--m-put-t); }
.method-delete { background: var(--m-del-bg);  color: var(--m-del-t);  border: 1px solid var(--m-del-t); }

/* --- Endpoint Header -------------------------------------- */
.endpoint-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-endpoint);
  border: 1px solid var(--bd);
  border-radius: var(--rad);
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  overflow-x: auto;
}

.endpoint-path { color: var(--t1); font-weight: 500; }

/* --- Parameters Table ------------------------------------- */
.params-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.params-table thead th {
  text-align: left;
  padding: 0.6rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--t3);
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--bd);
  border-top: 1px solid var(--bd);
}
.params-table thead th:first-child { border-left: 1px solid var(--bd); border-radius: var(--rad) 0 0 0; }
.params-table thead th:last-child  { border-right: 1px solid var(--bd); border-radius: 0 var(--rad) 0 0; }

.params-table tbody td {
  padding: 0.6rem 0.875rem;
  border-bottom: 1px solid var(--bd);
  vertical-align: top;
}
.params-table tbody tr:last-child td { border-bottom: none; }
.params-table tbody tr:hover td { background: var(--bg-subtle); }

.params-table .param-name {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--t1);
  font-weight: 500;
  white-space: nowrap;
}
.params-table .param-type {
  font-family: var(--font-mono);
  font-size: 0.78125rem;
  color: var(--t2);
}

.required-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--b-req-t);
  background: var(--b-req-bg);
  border: 1px solid var(--b-req-t);
  border-radius: 3px;
  padding: 0.1em 0.4em;
  white-space: nowrap;
}
.optional-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--b-opt-t);
  background: var(--b-opt-bg);
  border: 1px solid var(--b-opt-t);
  border-radius: 3px;
  padding: 0.1em 0.4em;
  white-space: nowrap;
}

/* --- Callout / Alert Boxes -------------------------------- */
.callout {
  padding: 0.875rem 1rem;
  border-radius: var(--rad);
  border-left: 3px solid;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
}
.callout-title {
  font-weight: 600;
  font-size: 0.8125rem;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.callout p { margin-bottom: 0; }

.callout-info    { background: var(--ci-bg); border-color: var(--ci-bd); color: var(--ci-t); }
.callout-info    .callout-title { color: var(--ci-bd); }
.callout-warning { background: var(--cw-bg); border-color: var(--cw-bd); color: var(--cw-t); }
.callout-warning .callout-title { color: var(--cw-bd); }
.callout-tip     { background: var(--cs-bg); border-color: var(--cs-bd); color: var(--cs-t); }
.callout-tip     .callout-title { color: var(--cs-bd); }
.callout-danger  { background: var(--cd-bg); border-color: var(--cd-bd); color: var(--cd-t); }
.callout-danger  .callout-title { color: var(--cd-bd); }

/* --- Code Block with Copy Button -------------------------- */
.code-block {
  position: relative;
  margin-bottom: 1.25rem;
}
.code-block pre { margin-bottom: 0; }
.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  font-size: 0.72rem;
  font-family: var(--font);
  color: #a1a1aa;
  cursor: pointer;
  transition: background 0.15s;
  opacity: 0;
}
.code-block:hover .copy-btn { opacity: 1; }
.copy-btn:hover { background: rgba(255,255,255,0.14); color: #e4e4e7; }

/* --- Response Example Label ------------------------------- */
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--t3);
  margin-bottom: 0.5rem;
  margin-top: 1.25rem;
  display: block;
}

/* --- Flow Diagram ----------------------------------------- */
.flow-diagram {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  padding: 1.25rem;
  background: var(--bg-subtle);
  border: 1px solid var(--bd);
  border-radius: var(--rad);
  margin-bottom: 1.5rem;
  font-size: 0.8125rem;
}
.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.5rem 0.875rem;
  background: var(--bg);
  border: 1px solid var(--bd);
  border-radius: var(--rad);
  text-align: center;
  min-width: 100px;
}
.flow-step .step-num {
  font-size: 0.6875rem;
  color: var(--t3);
  margin-bottom: 0.2rem;
}
.flow-step .step-name {
  font-weight: 500;
  color: var(--t1);
  font-size: 0.8125rem;
}
.flow-step .step-endpoint {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--t2);
  margin-top: 0.15rem;
}
.flow-arrow {
  color: var(--t3);
  font-size: 1.25rem;
  padding: 0 0.25rem;
  flex-shrink: 0;
}

/* --- Quick Reference Table -------------------------------- */
.quick-ref { border-collapse: collapse; width: 100%; margin-bottom: 1.5rem; font-size: 0.875rem; }
.quick-ref th { background: var(--bg-subtle); border: 1px solid var(--bd); padding: 0.5rem 0.875rem; text-align: left; font-size: 0.8125rem; color: var(--t2); }
.quick-ref td { border: 1px solid var(--bd); padding: 0.5rem 0.875rem; vertical-align: top; }
.quick-ref tr:hover td { background: var(--bg-subtle); }

/* --- Page intro ------------------------------------------- */
.page-intro {
  font-size: 0.9375rem;
  color: var(--t2);
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--bd);
}

/* --- Section Divider -------------------------------------- */
.api-section { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--bd); }
.api-section:first-of-type { margin-top: 0; border-top: none; padding-top: 0; }

/* --- Response Schema Block -------------------------------- */
.response-schema { background: var(--bg-code); border: 1px solid var(--bd); border-radius: var(--rad); padding: 1rem; margin-bottom: 1rem; }
.schema-row { display: grid; grid-template-columns: 180px 100px 1fr; gap: 0.75rem; padding: 0.35rem 0; border-bottom: 1px solid var(--bd); font-size: 0.84375rem; align-items: baseline; }
.schema-row:last-child { border-bottom: none; }
.schema-field { font-family: var(--font-mono); font-size: 0.8125rem; color: #e4e4e7; }
.schema-type  { font-family: var(--font-mono); font-size: 0.78125rem; color: #a1a1aa; }
.schema-desc  { color: #a1a1aa; font-size: 0.84375rem; }

/* --- Mobile ------------------------------------------------ */
@media (max-width: 1200px) {
  #toc-container { display: none; }
  #main-content { margin-right: 0; }
}

@media (max-width: 768px) {
  #sidebar-toggle { display: flex; }

  #sidebar {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    z-index: 200;
    box-shadow: 4px 0 16px rgba(0,0,0,0.12);
  }
  #sidebar.open { transform: translateX(0); }

  #main-content {
    margin-left: 0;
    padding: 1.5rem 1.25rem 3rem;
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 150;
  }
  .sidebar-overlay.visible { display: block; }

  .flow-diagram { flex-direction: column; }
  .flow-arrow { transform: rotate(90deg); }
}