/* =========================================================
   Toolbox — design tokens
   Palette: graphite steel + hazard amber, pegboard motif
   Display: Space Grotesk / Body: Inter / Data: JetBrains Mono
   ========================================================= */
:root {
  --bg: #1c2128;
  --bg-raised: #232932;
  --surface: #262c36;
  --surface-hover: #2d343f;
  --border: #363e4a;
  --border-strong: #454f5e;

  --text: #e8eaed;
  --text-muted: #9ba3af;
  --text-faint: #6b7280;

  --amber: #f2a900;
  --amber-dim: #c98e00;
  --steel: #6f93b3;
  --success: #4ade80;
  --error: #f87171;

  --radius: 10px;
  --radius-sm: 6px;

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  background-image:
    radial-gradient(circle at 1.5px 1.5px, rgba(255,255,255,0.035) 1.2px, transparent 0);
  background-size: 26px 26px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

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

p { color: var(--text-muted); margin: 0 0 1em; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

/* =========================== Header =========================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(28, 33, 40, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}
.brand:hover { text-decoration: none; }

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--amber);
  color: #1c2128;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  position: relative;
}
.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(28,33,40,0.35);
  top: 4px;
}
.brand-mark::before { left: 4px; }
.brand-mark::after { right: 4px; }

.main-nav { display: flex; align-items: center; gap: 6px; }

.nav-dropdown { position: relative; }

.nav-link {
  color: var(--text-muted);
  font-size: 0.94rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  font-family: var(--font-body);
}
.nav-link:hover { color: var(--text); background: var(--surface); text-decoration: none; }

.caret { font-size: 0.65em; opacity: 0.7; transition: transform .15s ease; }

.dropdown-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 280px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .15s ease, transform .15s ease, visibility .15s;
}

.nav-dropdown:hover .dropdown-panel,
.nav-dropdown:focus-within .dropdown-panel {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown:hover .caret { transform: rotate(180deg); }

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.86rem;
}
.dropdown-item:hover { background: var(--surface); text-decoration: none; }

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 1.1rem;
}

/* =========================== Footer =========================== */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 64px;
  padding: 40px 0 28px;
  color: var(--text-faint);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 28px;
}
.footer-col h4 {
  color: var(--text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 12px;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--text-faint); font-size: 0.88rem; }
.footer-col a:hover { color: var(--amber); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* =========================== Hero =========================== */
.hero {
  padding: 72px 0 48px;
  text-align: center;
}
.hero .eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber);
  background: rgba(242, 169, 0, 0.1);
  border: 1px solid rgba(242, 169, 0, 0.25);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  max-width: 760px;
  margin: 0 auto 16px;
}
.hero h1 .accent { color: var(--amber); }
.hero p.lead {
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto 32px;
}

.search-box {
  max-width: 480px;
  margin: 0 auto;
  position: relative;
}
.search-box input[type="search"] {
  width: 100%;
  padding: 14px 16px 14px 44px;
  border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-size: 0.98rem;
  font-family: var(--font-body);
}
.search-box input[type="search"]::placeholder { color: var(--text-faint); }
.search-box .search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-faint);
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.search-box .search-icon svg { width: 100%; height: 100%; display: block; }
.search-result-count {
  text-align: center;
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin: 10px 0 0;
  min-height: 1.2em;
}
.search-empty {
  display: none;
  text-align: center;
  padding: 40px 0;
}
.search-empty-title {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 6px;
}
.search-empty-hint {
  color: var(--text-faint);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin: 0;
}

/* =========================== Trust messaging =========================== */
.trust-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 560px;
  margin: 28px auto 0;
  padding: 16px 22px;
  background: rgba(74, 222, 128, 0.07);
  border: 1px solid rgba(74, 222, 128, 0.25);
  border-radius: var(--radius);
  text-align: left;
}
.trust-banner .icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}
.trust-banner strong {
  display: block;
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 2px;
}
.trust-banner span {
  display: block;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(74, 222, 128, 0.08);
  border: 1px solid rgba(74, 222, 128, 0.25);
  color: var(--success);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 500;
  margin-top: 12px;
}

/* =========================== Pegboard category grid =========================== */
.section-title-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 56px 0 20px;
}
.section-title-row h2 { margin: 0; font-size: 1.4rem; }
.section-title-row .count {
  font-family: var(--font-mono);
  color: var(--text-faint);
  font-size: 0.85rem;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 8px;
}

.category-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
  color: var(--text);
  transition: border-color .15s ease, transform .15s ease, background .15s ease;
}
.category-card::before,
.category-card::after {
  content: "";
  position: absolute;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border-strong);
}
.category-card::before { left: 14px; }
.category-card::after { right: 14px; }

.category-card:hover {
  border-color: var(--amber-dim);
  background: var(--surface-hover);
  transform: translateY(-2px);
  text-decoration: none;
}

.category-card .icon { font-size: 1.6rem; display: block; margin-bottom: 10px; }
.category-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.category-card p { font-size: 0.86rem; margin-bottom: 10px; }
.category-card .tool-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-faint);
}

/* =========================== Tool grid / cards =========================== */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  position: relative;
  color: var(--text);
  transition: border-color .15s ease, transform .15s ease, background .15s ease;
  display: block;
}
.tool-card::before,
.tool-card::after {
  content: "";
  position: absolute;
  top: 12px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border-strong);
}
.tool-card::before { left: 12px; }
.tool-card::after { right: 12px; }
.tool-card:hover {
  border-color: var(--amber-dim);
  background: var(--surface-hover);
  transform: translateY(-2px);
  text-decoration: none;
}
.tool-card .icon { font-size: 1.3rem; display: block; margin-bottom: 8px; }
.tool-card h3 { font-size: 0.98rem; margin-bottom: 4px; }
.tool-card p { font-size: 0.82rem; margin: 0; }

.category-hero {
  padding-top: 48px;
  padding-bottom: 8px;
}
.category-hero .icon-badge {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.category-hero h1 { font-size: 2rem; margin-bottom: 8px; }
.category-hero p { font-size: 1.02rem; max-width: 540px; }
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-bottom: 18px;
}
.breadcrumbs a { color: var(--text-faint); }
.breadcrumbs a:hover { color: var(--amber); }

/* =========================== Tool page shell =========================== */
.tool-page { padding-top: 40px; padding-bottom: 80px; }
.tool-page-header { margin-bottom: 28px; max-width: 640px; }
.tool-page-header .icon-badge {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
}
.tool-page-header h1 { font-size: 1.7rem; margin-bottom: 6px; }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.panel + .panel { margin-top: 0; }

.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 0; }
.field label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  font-weight: 500;
}

input[type="text"], input[type="number"], input[type="date"],
input[type="datetime-local"], input[type="search"], input[type="email"],
input[type="tel"], input[type="url"], select, textarea {
  width: 100%;
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 10px 12px;
  font-size: 0.94rem;
  font-family: var(--font-body);
}
textarea { resize: vertical; font-family: var(--font-mono); font-size: 0.88rem; }
input[type="range"] { width: 100%; accent-color: var(--amber); }
input[type="color"] {
  width: 52px; height: 38px; padding: 2px;
  border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  background: var(--bg-raised);
}

.row { display: flex; gap: 14px; flex-wrap: wrap; }
.row > .field { flex: 1; min-width: 140px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--amber);
  color: #1c2128;
  border: none;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.92rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: background .15s ease, transform .1s ease;
}
.btn:hover { background: #ffb812; text-decoration: none; }
.btn:active { transform: scale(0.98); }
.btn.secondary {
  background: var(--surface-hover);
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn.secondary:hover { background: var(--border); }
.btn.small { padding: 7px 14px; font-size: 0.82rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.output-box {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 46px;
  color: var(--text);
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.result-row:last-child { border-bottom: none; }
.result-row .label { color: var(--text-muted); }
.result-row .value { font-family: var(--font-mono); color: var(--text); font-weight: 600; }

.stat-highlight {
  text-align: center;
  padding: 20px 0;
}
.stat-highlight .num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}
.stat-highlight .cap { color: var(--text-faint); font-size: 0.82rem; margin-top: 6px; }

.file-drop {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  color: var(--text-faint);
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
  font-size: 0.9rem;
  width: 100%;
}
.file-drop:hover, .file-drop.dragover {
  border-color: var(--amber);
  background: rgba(242, 169, 0, 0.05);
}
.file-drop input[type="file"] { display: none; }
.file-drop .icon { font-size: 1.8rem; display: block; margin-bottom: 8px; }

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(242,169,0,0.12);
  color: var(--amber);
  border: 1px solid rgba(242,169,0,0.3);
}
.badge.success { background: rgba(74,222,128,0.12); color: var(--success); border-color: rgba(74,222,128,0.3); }
.badge.error { background: rgba(248,113,113,0.12); color: var(--error); border-color: rgba(248,113,113,0.3); }

.helper-text { font-size: 0.8rem; color: var(--text-faint); margin-top: 6px; }
.stack-gap > * + * { margin-top: 14px; }

.related-tools { margin-top: 40px; }
.related-tools h2 { font-size: 1.1rem; margin-bottom: 14px; }
.tool-disclaimer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-faint);
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

canvas.preview { max-width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--border); }
img.preview { max-width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--border); display: block; }

table.simple-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
table.simple-table th, table.simple-table td {
  text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border);
}
table.simple-table th { color: var(--text-muted); font-weight: 500; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }

/* =========================== Responsive =========================== */
@media (max-width: 860px) {
  .category-grid, .tool-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .main-nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .category-grid, .tool-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 48px 0 36px; }
  .row { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}