/* ════════════════════════════════════════════════════════
   CHEATSHEET STYLES — Express.js & React.js
   goDevelopers · Hustlers Hub
════════════════════════════════════════════════════════ */

/* ── FONTS ── */
@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Playfair+Display:wght@700;800&family=DM+Sans:wght@400;500;600&family=Syne:wght@400;600;700;800&display=swap");

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

html, body {
  min-height: 100%;
  background: var(--bg);
}

/* ════════════════════════════════════════════════════════
   THEME VARIABLES
════════════════════════════════════════════════════════ */
:root {
  /* Layout */
  --bg:           #fff8e7;
  --bg-surface:   #f9f5ec;
  --bg-card:      #f9f5ec;

  /* Text */
  --text-primary:   #3a1a00;
  --text-secondary: #5c2d00;
  --text-muted:     #7a4a10;

  /* Accent */
  --accent:   #f5a623;
  --accent2:  #d4600a;

  /* Borders */
  --border:        #e8d8b0;
  --border-strong: #c9a86a;

  /* Code */
  --code-bg:   #f0e8d0;
  --code-text: #5c2d00;

  /* UI Elements */
  --badge-bg:      #fff0c0;
  --badge-text:    #5c2d00;
  --toggle-bg:     #e8d8b0;
  --toggle-text:   #5c2d00;
  --header-border: #f5a623;
  --dot-color:     #d4600a;
  --tagline-color: #d4600a;
  --org-color:     #3a1a00;
  --section-label: #7a4a10;

  /* Syntax highlighting */
  --fn-color:  #8c5000;
  --str-color: #7a9a10;

  /* Express alert boxes */
  --eb-bg:     #fde8d0;
  --eb-border: #d4600a;
  --eb-color:  #3a1a00;
  --wb-bg:     #fff0d0;
  --wb-border: #d4600a;
  --wb-color:  #5c2d00;
  --ob-bg:     #eaf3de;
  --ob-border: #639922;
  --ob-color:  #173404;

  /* React mistake / fix boxes */
  --mistake-bg:        #fff2e0;
  --mistake-border:    #e8b870;
  --mistake-label:     #7a2800;
  --mistake-text:      #5c2d00;
  --mistake-code-bg:   #ffe0b0;
  --mistake-code-text: #5c1500;
  --fix-bg:            #fffbe8;
  --fix-border:        #d4b84a;
  --fix-label:         #3a2400;
  --fix-text:          #3a1a00;
  --fix-code-bg:       #fff3c0;
  --fix-code-text:     #3a1a00;

  /* React quick reference */
  --quick-bg:       #f9f5ec;
  --quick-item-bg:  #fff8e7;
  --quick-code:     #d4600a;
  --quick-desc:     #7a4a10;
}

[data-theme="dark"] {
  /* Layout */
  --bg:         #140d04;
  --bg-surface: #1c1007;
  --bg-card:    #241708;

  /* Text */
  --text-primary:   #f5c842;
  --text-secondary: #e8c880;
  --text-muted:     #c49a30;

  /* Accent */
  --accent:  #f5c842;
  --accent2: #f5a623;

  /* Borders */
  --border:        #3a2a08;
  --border-strong: #5a4010;

  /* Code */
  --code-bg:   #241708;
  --code-text: #f5c842;

  /* UI Elements */
  --badge-bg:      #2e1e04;
  --badge-text:    #f5c842;
  --toggle-bg:     #3a2a08;
  --toggle-text:   #f5c842;
  --header-border: #f5c842;
  --dot-color:     #f5a623;
  --tagline-color: #f5a623;
  --org-color:     #f5c842;
  --section-label: #7a5a18;

  /* Syntax highlighting */
  --fn-color:  #f5c842;
  --str-color: #97c459;

  /* Express alert boxes */
  --eb-bg:     #1c0a00;
  --eb-border: #7a4a10;
  --eb-color:  #f5a623;
  --wb-bg:     #241708;
  --wb-border: #f5a623;
  --wb-color:  #f5a623;
  --ob-bg:     #1a2800;
  --ob-border: #3b6d11;
  --ob-color:  #97c459;

  /* React mistake / fix boxes */
  --mistake-bg:        #200a00;
  --mistake-border:    #5a2000;
  --mistake-label:     #f5a060;
  --mistake-text:      #f0c090;
  --mistake-code-bg:   #2e1000;
  --mistake-code-text: #f5a060;
  --fix-bg:            #1a1500;
  --fix-border:        #4a3800;
  --fix-label:         #f5c842;
  --fix-text:          #edd890;
  --fix-code-bg:       #2a2000;
  --fix-code-text:     #f5c842;

  /* React quick reference */
  --quick-bg:       #241708;
  --quick-item-bg:  #1c1007;
  --quick-code:     #f5c842;
  --quick-desc:     #c49a30;
}

/* ════════════════════════════════════════════════════════
   SHARED BASE
════════════════════════════════════════════════════════ */
.sheet {
  font-family: "DM Sans", sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  padding: 1.5rem 1.25rem 2rem;
  min-height: 100vh;
  transition: background 0.2s, color 0.2s;
}

/* Shared grid layouts */
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.grid2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 10px;
}

/* Shared card */
.card {
  border: 0.5px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  background: var(--bg-surface);
  transition: background 0.2s, border-color 0.2s;
  min-width: 0; /* prevent grid item from expanding beyond its track */
}
.card.wide { grid-column: span 2; }
.card.full { grid-column: span 3; }

/* Shared badge */
.badge {
  background: var(--badge-bg);
  color: var(--badge-text);
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 6px;
  border: 0.5px solid var(--border-strong);
  letter-spacing: 0.5px;
}

/* Shared code base */
code, pre {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  line-height: 1.7;
}

/* Shared dot base */
.dot {
  border-radius: 50%;
  flex-shrink: 0;
}

/* Shared nav link */
.nav-link {
  font-family: "JetBrains Mono", monospace;
  font-size: 15px;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color 0.15s;
}
.nav-link:hover { color: var(--accent); }

/* ════════════════════════════════════════════════════════
   EXPRESS CHEATSHEET
════════════════════════════════════════════════════════ */

/* Express card header */
.card-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 9px;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Colored category dots (Express) */
.dg { width: 7px; height: 7px; background: #f5a623; }
.db { width: 7px; height: 7px; background: #d4600a; }
.da { width: 7px; height: 7px; background: #7a4a10; }
.dc { width: 7px; height: 7px; background: #f5c842; }
.dp { width: 7px; height: 7px; background: #c49a30; }
.dt { width: 7px; height: 7px; background: #5c2d00; }
.dr { width: 7px; height: 7px; background: #3a1a00; }
/* Dark mode: low-contrast dots get brighter replacements */
[data-theme="dark"] .da { background: #b08840; }
[data-theme="dark"] .dt { background: #a07838; }
[data-theme="dark"] .dr { background: #7a5828; }

/* Code block */
.cb {
  background: var(--code-bg);
  border-radius: 5px;
  padding: 8px 10px;
  margin-top: 4px;
  overflow-x: auto;
  max-width: 100%; /* never exceed the card's constrained width */
  border-left: 2px solid var(--accent);
  transition: background 0.2s;
}
.cb code {
  display: block;
  white-space: pre;
  color: var(--text-primary);
  background: none;
  border: none;
  padding: 0;
  font-weight: 400;
}

/* Syntax tokens */
.kw  { color: var(--accent2); font-weight: 500; }
.fn  { color: var(--fn-color); }
.str { color: var(--str-color); }
.cmt { color: var(--text-muted); }
.vr  { color: var(--text-secondary); }

/* Reference table */
.rt { width: 100%; border-collapse: collapse; }
.rt td {
  padding: 4px 0;
  font-size: 13px;
  vertical-align: top;
  border-bottom: 0.5px solid var(--border);
}
.rt tr:last-child td { border-bottom: none; }
.rt td:first-child {
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  color: var(--accent);
  white-space: nowrap;
  padding-right: 10px;
  min-width: 90px;
}
.rt td:last-child { color: var(--text-secondary); }

/* HTTP method badges */
.mb {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 3px;
  margin-right: 4px;
}
.get   { background: #3a1a00; color: #f5a623; }
.post  { background: #3a1a00; color: #d4600a; }
.put   { background: #3a1a00; color: #c49a30; }
.del   { background: #3a1a00; color: #f07878; }
.patch { background: #3a1a00; color: #80ccc0; }
[data-theme="dark"] .get   { background: #f5c84222; color: #f5c842; }
[data-theme="dark"] .post  { background: #f5a62322; color: #f5a623; }
[data-theme="dark"] .put   { background: #c49a3022; color: #c49a30; }
[data-theme="dark"] .del   { background: #f0505022; color: #f08080; }
[data-theme="dark"] .patch { background: #50c8b022; color: #80d8c0; }

/* Status code grid */
.sg { display: grid; grid-template-columns: 1fr 1fr; gap: 3px 12px; }
.sr { display: flex; gap: 6px; align-items: baseline; padding: 2px 0; }
.sc { font-family: "JetBrains Mono", monospace; font-size: 12px; font-weight: 700; min-width: 32px; }
.s2 { color: var(--str-color); }
.s3 { color: var(--accent); }
.s4 { color: var(--accent2); }
.s5 { color: #a32d2d; }
[data-theme="dark"] .s5 { color: #f09595; }
.sd { color: var(--text-muted); font-size: 12px; }

/* Flow diagram */
.flow { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; margin-top: 8px; }
.fs {
  background: var(--code-bg);
  border: 0.5px solid var(--border);
  border-radius: 5px;
  padding: 4px 10px;
  font-size: 12px;
  font-family: "JetBrains Mono", monospace;
  color: var(--text-primary);
  white-space: nowrap;
}
.fa { color: var(--accent); font-size: 14px; }

/* Alert boxes */
.eb {
  background: var(--eb-bg);
  border: 0.5px solid var(--eb-border);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--eb-color);
  margin-top: 6px;
}
.wb {
  background: var(--wb-bg);
  border: 0.5px solid var(--wb-border);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--wb-color);
  margin-top: 6px;
}
.ob {
  background: var(--ob-bg);
  border: 0.5px solid var(--ob-border);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--ob-color);
  margin-top: 6px;
}
.warn-label {
  font-size: 12px;
  font-weight: bold;
  display: block;
  margin-bottom: 3px;
}
.warn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-top: 4px;
}
.warn-grid .eb,
.warn-grid .wb,
.warn-grid .ob { margin-top: 0; }

/* Descriptive paragraph inside a card (Express) */
.card-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  line-height: 1.5;
}

/* Consecutive code blocks */
.cb + .cb { margin-top: 6px; }

/* Sub-label */
.sl {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 2px 0 3px;
}
.sl + .sl,
* + .sl { margin-top: 8px; }

/* ════════════════════════════════════════════════════════
   REACT CHEATSHEET
════════════════════════════════════════════════════════ */
.sheet.react {
  font-family: "Syne", sans-serif;
  padding: 1rem 1.25rem;
}

/* Top bar */
.top-bar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--header-border);
}
.logo-block { display: flex; flex-direction: column; gap: 2px; }
.logo {
  font-size: 21px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.5px;
  line-height: 1.1;
}
.logo .react-icon { color: var(--accent2); }
.org-line { display: flex; align-items: center; gap: 6px; margin-top: 2px; }
.org-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--org-color);
  letter-spacing: 0.4px;
  text-transform: uppercase;
}
.sep { color: var(--border-strong); font-size: 12px; }
.org-line .tagline {
  font-size: 12px;
  font-weight: 600;
  color: var(--tagline-color);
  font-style: italic;
  letter-spacing: 0.2px;
}
.top-right { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.toggle {
  background: var(--toggle-bg);
  color: var(--toggle-text);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 700;
  border: 0.5px solid var(--border-strong);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}
.toggle:hover { opacity: 0.85; }

/* React card headings */
.react .card { background: var(--bg-card); border-radius: 10px; padding: 0.75rem; }
.card h3 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  margin-bottom: 0.5rem;
  color: var(--accent2);
}
.card.gold h3 { color: var(--accent); }

/* React list items */
.item { display: flex; gap: 6px; margin-bottom: 4px; align-items: flex-start; }
.item .dot {
  width: 5px;
  height: 5px;
  margin-top: 6px;
  background: var(--dot-color);
}
.item p { font-size: 13px; line-height: 1.55; color: var(--text-secondary); }
.item p strong { color: var(--text-primary); font-weight: 600; }

/* Inline code (React-scoped so it doesn't affect Express code blocks) */
.react code {
  font-size: 11px;
  background: var(--code-bg);
  border: 0.5px solid var(--border-strong);
  border-radius: 4px;
  padding: 1px 4px;
  color: var(--code-text);
  font-weight: 600;
}

/* Section labels */
.sec-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--section-label);
  margin: 0.85rem 0 0.4rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.sec-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Quick reference */
.quick {
  background: var(--quick-bg);
  border: 0.5px solid var(--border-strong);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 0.6rem 0.75rem;
  transition: background 0.3s;
}
.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 6px;
}
.quick-item {
  background: var(--quick-item-bg);
  border-radius: 6px;
  padding: 0.4rem 0.5rem;
  text-align: center;
  border: 0.5px solid var(--border);
  transition: background 0.3s;
}
.quick-item .qcode {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  color: var(--quick-code);
  font-weight: 700;
  display: block;
  margin-bottom: 2px;
}
.quick-item .qdesc { font-size: 11px; color: var(--quick-desc); line-height: 1.3; }
.quick-note { font-size: 12px; color: var(--text-muted); }

/* Mistakes / Fixes */
.mistakes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 6px;
}
.mistake {
  background: var(--mistake-bg);
  border-radius: 6px;
  padding: 0.5rem 0.6rem;
  border: 0.5px solid var(--mistake-border);
}
.mistake .mlabel { font-size: 11px; font-weight: 700; color: var(--mistake-label); margin-bottom: 2px; }
.mistake p { font-size: 12px; color: var(--mistake-text); line-height: 1.4; }
.mistake code {
  background: var(--mistake-code-bg);
  color: var(--mistake-code-text);
  border-color: var(--mistake-border);
}
.fix {
  background: var(--fix-bg);
  border-radius: 6px;
  padding: 0.5rem 0.6rem;
  border: 0.5px solid var(--fix-border);
}
.fix .mlabel { font-size: 11px; font-weight: 700; color: var(--fix-label); margin-bottom: 2px; }
.fix p { font-size: 12px; color: var(--fix-text); line-height: 1.4; }
.fix code {
  background: var(--fix-code-bg);
  color: var(--fix-code-text);
  border-color: var(--fix-border);
}

/* React footer */
.footer {
  margin-top: 0.85rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-left { font-size: 12px; color: var(--text-muted); }
.footer-left strong { color: var(--accent); font-weight: 700; }
.footer-tag { font-size: 12px; font-style: italic; color: var(--tagline-color); font-weight: 600; }

/* ════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════ */

/* Prevent the page from scrolling horizontally on any device */
body { overflow-x: hidden; }
.sheet { overflow-x: hidden; }

/* ── Tablet (≤ 768px) ── */
@media (max-width: 768px) {
  .sheet { padding: 1.25rem 1rem 1.75rem; }

  /* 3-col → 2-col */
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid2 { grid-template-columns: 1fr 1fr; }

  /* wide cards collapse so no orphan gap forms in 2-col grid */
  .card.wide { grid-column: span 1; }
  .card.full { grid-column: span 2; }

  /* Slightly tighter card padding */
  .card { padding: 10px 12px; }

  /* Warn & quick grids */
  .warn-grid { grid-template-columns: 1fr 1fr; }
  .quick-grid { grid-template-columns: repeat(3, 1fr); }

  /* Header: shrink logo + nav link */
  .logo { font-size: 18px; }
  .nav-link { font-size: 13px; }

  /* Section labels: smaller margin */
  .sec-label { font-size: 10px; margin: 0.7rem 0 0.3rem; }
}

/* ── Mobile (≤ 520px) ── */
@media (max-width: 520px) {
  .sheet { padding: 1rem 0.75rem 1.5rem; }

  /* Header stacks vertically */
  .top-bar { flex-direction: column; gap: 8px; }
  .top-right {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 8px;
  }
  .logo { font-size: 16px; }

  /* Hide tagline + separator to save horizontal space */
  .org-line .tagline,
  .org-line .sep { display: none; }

  /* Nav / toggle / badge: compact */
  .nav-link { font-size: 12px; }
  .toggle { font-size: 11px; padding: 3px 8px; }
  .badge { font-size: 10px; padding: 2px 6px; }

  /* Section labels: compact */
  .sec-label { font-size: 9.5px; margin: 0.6rem 0 0.25rem; }

  /* Cards: reduce padding + title */
  .card { padding: 8px 10px; }
  .card-title { font-size: 10px; margin-bottom: 6px; }
  .card-desc { font-size: 11px; }

  /* Code blocks: smaller font + tighter padding */
  code, pre { font-size: 11px; }
  .cb { padding: 6px 8px; }

  /* Sub-labels */
  .sl { font-size: 9px; }

  /* Reference tables: compact */
  .rt td { font-size: 11px; padding: 3px 0; }
  .rt td:first-child { font-size: 10px; min-width: 70px; }

  /* HTTP method badges */
  .mb { font-size: 10px; padding: 1px 5px; }

  /* Status code grid */
  .sg { grid-template-columns: 1fr 1fr; gap: 2px 8px; }
  .sc { font-size: 11px; }
  .sd { font-size: 11px; }

  /* All layout grids → 1 column */
  .grid { grid-template-columns: 1fr; }
  .grid2 { grid-template-columns: 1fr; }
  .card.wide,
  .card.full { grid-column: span 1; }

  /* Express warn grid → 1 column */
  .warn-grid { grid-template-columns: 1fr; gap: 6px; }
  .eb, .wb, .ob { padding: 6px 10px; font-size: 12px; }
  .warn-label { font-size: 11px; }

  /* React mistakes / fixes → 1 column */
  .mistakes { grid-template-columns: 1fr; }

  /* React quick reference → 2 columns */
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .quick-item .qcode { font-size: 10px; }
  .quick-item .qdesc { font-size: 10px; }

  /* Middleware flow: tighter + centered */
  .flow { gap: 3px; justify-content: center; }
  .fs { font-size: 10px; padding: 3px 6px; }
  .fa { font-size: 12px; }

  /* Footer stacks */
  .footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}

/* ── Small Phone (≤ 375px) ── */
@media (max-width: 375px) {
  .sheet { padding: 0.75rem 0.5rem 1.25rem; }

  /* Very compact logo + hide badge */
  .logo { font-size: 14px; }
  .badge { display: none; }
  .top-right { gap: 6px; }

  /* Card + code */
  .card { padding: 6px 8px; }
  .card-title { font-size: 9.5px; letter-spacing: 1px; }
  code, pre { font-size: 10px; }
  .cb { padding: 5px 7px; }

  /* Tables */
  .rt td { font-size: 10px; }
  .rt td:first-child { font-size: 9.5px; min-width: 60px; }

  /* Warn boxes */
  .eb, .wb, .ob { padding: 5px 8px; font-size: 11px; }
  .warn-label { font-size: 10px; }

  /* Grid gap tighter */
  .grid { gap: 7px; }
  .warn-grid { gap: 5px; }
}