/* styles.css — DIY Auto Lookup */

/* ── Tokens ──────────────────────────────────────────────────────────────── */
:root {
  --bg:        #0f1117;
  --surface:   #1a1d27;
  --surface2:  #22263a;
  --border:    #2e3248;
  --accent:    #f5a623;
  --accent2:   #e05c1a;
  --text:      #e8eaf0;
  --muted:     #7b8099;
  --success:   #3ecf8e;
  --danger:    #e05c1a;

  --font-display: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 2px 16px rgba(0,0,0,0.4);
}

html[data-theme="light"] {
  --bg:        #f6f7fb;
  --surface:   #ffffff;
  --surface2:  #eef1f7;
  --border:    #cfd6e4;
  --accent:    #d98200;
  --accent2:   #c7460f;
  --text:      #171b26;
  --muted:     #5e6678;
  --success:   #167f55;
  --danger:    #c7460f;
  --shadow: 0 2px 16px rgba(34, 39, 54, 0.12);
}

/* ── Reset ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}
html[data-theme="light"] body {
  background: linear-gradient(180deg, #f6f7fb 0%, #edf1f8 100%);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }

/* ── Header ──────────────────────────────────────────────────────────────── */
.site-header {
  position: relative;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 56px;
  background: rgba(15,17,23,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  gap: 1rem;
}
html[data-theme="light"] .site-header {
  background: rgba(255,255,255,0.92);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.brand-icon::before { content: "🔧"; font-size: 1.1rem; }

.site-header nav {
  display: flex;
  gap: 0.25rem;
}
.site-header nav a {
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
}
.site-header nav a:hover { color: var(--text); background: var(--surface2); }
.site-header nav a[aria-current="page"] {
  background: var(--accent);
  color: #0f1117;
  font-weight: 800;
}
.mobile-nav {
  align-items: center;
  background: rgba(15,17,23,0.96);
  border-top: 1px solid var(--border);
  bottom: 0;
  display: grid;
  gap: 0.25rem;
  grid-template-columns: repeat(5, 1fr);
  left: 0;
  padding: 0.45rem 0.5rem calc(0.45rem + env(safe-area-inset-bottom));
  position: fixed;
  right: 0;
  z-index: 200;
}
html[data-theme="light"] .mobile-nav {
  background: rgba(255,255,255,0.96);
}
.mobile-nav a {
  align-items: center;
  border-radius: var(--radius-sm);
  color: var(--muted);
  display: flex;
  font-size: 0.74rem;
  font-weight: 850;
  justify-content: center;
  min-height: 2.3rem;
  text-decoration: none;
}
.mobile-nav a[aria-current="page"],
.mobile-nav a:hover {
  background: var(--accent);
  color: #0f1117;
}

@media (min-width: 901px) and (hover: hover) and (pointer: fine) {
  .mobile-nav {
    display: none;
  }
}

.theme-toggle {
  align-items: center;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  display: inline-flex;
  flex-shrink: 0;
  font-size: 0.78rem;
  font-weight: 800;
  gap: 0.4rem;
  min-height: 2.1rem;
  padding: 0.35rem 0.7rem;
}
.theme-toggle:hover {
  border-color: var(--accent);
}
.theme-toggle-icon {
  color: var(--accent);
  font-size: 0.9rem;
  line-height: 1;
}

/* ── Main Layout ─────────────────────────────────────────────────────────── */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem 6rem;
}

/* Section eyebrow */
section > div > span,
article > div > span {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4rem;
}

/* ── Dashboard (Vehicle Header) ──────────────────────────────────────────── */
.dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  padding: 2.5rem 0 2rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.vehicle-lookup h1 {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
  line-height: 1.15;
}
.section-kicker {
  color: var(--accent);
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}
.vehicle-lookup p { color: var(--muted); max-width: 46ch; font-size: 0.9rem; }

.lookup-form { margin-top: 1.25rem; }
.lookup-form label { display: block; font-size: 0.78rem; font-weight: 600; color: var(--muted); margin-bottom: 0.4rem; letter-spacing: 0.04em; text-transform: uppercase; }
.lookup-form > div { display: flex; gap: 0.5rem; }
.lookup-form input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem;
  color: var(--text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s;
}
.lookup-form input:focus { border-color: var(--accent); }
.vin-helper {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.75rem;
}
.vin-helper button {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  min-height: 2.1rem;
  padding: 0.4rem 0.7rem;
}
.vin-helper button:hover {
  border-color: var(--accent);
}
.vin-helper span {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

/* ── Vehicle Card ──────────────────────────────────────────────────────────── */
.vehicle-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}
.car-line {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
}
.vehicle-card-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.vehicle-card h2 { font-size: 1.25rem; font-weight: 700; margin: 0; }
.vehicle-card-actions {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.vehicle-card-actions button {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.35rem 0.6rem;
}
.vehicle-card-actions button:first-child {
  background: var(--accent);
  border-color: var(--accent);
  color: #0f1117;
}
.vehicle-card dl { display: grid; gap: 0.5rem; }
.vehicle-card dl > div { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px solid var(--border); padding-bottom: 0.4rem; }
.vehicle-card dl > div:last-child { border-bottom: none; padding-bottom: 0; }
.vehicle-card dt { font-size: 0.8rem; color: var(--muted); font-weight: 500; }
.vehicle-card dd { font-size: 0.9rem; font-weight: 600; font-family: var(--font-mono); }

/* ── Tool Panels Grid ──────────────────────────────────────────────────────── */
.quick-actions {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.main-tool { grid-row: span 1; }

.tool-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color 0.15s;
}
.tool-panel:hover { border-color: var(--accent); }
.tool-panel.highlighted { border-color: var(--accent); background: rgba(245,166,35,0.04); }

.tool-panel h2 { font-size: 1rem; font-weight: 700; }
.tool-panel p { font-size: 0.85rem; color: var(--muted); flex: 1; }

/* Tool icons */
.tool-icon {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.tool-icon::after { font-size: 1.2rem; }
.tool-icon.engine  { background: rgba(224,92,26,0.15); }  .tool-icon.engine::after  { content: "🔍"; }
.tool-icon.torque  { background: rgba(245,166,35,0.15); } .tool-icon.torque::after  { content: "🔩"; }
.tool-icon.fluid   { background: rgba(62,207,142,0.15); } .tool-icon.fluid::after   { content: "🛢️"; }
.tool-icon.recall  { background: rgba(224,92,26,0.15); }  .tool-icon.recall::after  { content: "⚠️"; }
.tool-icon.battery { background: rgba(100,160,255,0.15); }.tool-icon.battery::after { content: "🔋"; }
.tool-icon.info    { background: rgba(150,100,255,0.15); }.tool-icon.info::after    { content: "📋"; }

/* Stacked form inside panels */
.stacked-form { display: flex; flex-direction: column; gap: 0.4rem; }
.stacked-form label { font-size: 0.75rem; font-weight: 600; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; }
.stacked-form input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.8rem;
  color: var(--text);
  font-size: 0.9rem;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color 0.15s;
  text-transform: uppercase;
}
.stacked-form input[type="search"] { text-transform: none; font-family: inherit; }
.stacked-form input:focus { border-color: var(--accent); }

/* Buttons */
button[type="submit"],
.tool-panel > button[type="button"] {
  background: var(--accent);
  color: #0f1117;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.55rem 1.1rem;
  font-size: 0.85rem;
  font-weight: 700;
  transition: opacity 0.15s, transform 0.1s;
  align-self: flex-start;
}
button[type="submit"]:hover,
.tool-panel > button[type="button"]:hover { opacity: 0.85; transform: translateY(-1px); }
button[type="submit"]:active,
.tool-panel > button[type="button"]:active { transform: translateY(0); }

/* Quick codes */
.quick-codes { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.25rem; }
.quick-code-btn {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.25rem 0.6rem;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
  transition: background 0.1s, border-color 0.1s;
}
.quick-code-btn:hover { background: rgba(245,166,35,0.12); border-color: var(--accent); }

/* Torque search results */
.torque-search-results { display: flex; flex-direction: column; gap: 0.35rem; margin-top: 0.25rem; }
.torque-result-item {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  align-items: center;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  text-align: left;
  transition: border-color 0.1s, background 0.1s;
  gap: 0 0.5rem;
}
.torque-result-item:hover { border-color: var(--accent); background: rgba(245,166,35,0.05); }
.torque-part { font-size: 0.85rem; font-weight: 600; }
.torque-spec { font-family: var(--font-mono); font-size: 0.9rem; color: var(--accent); font-weight: 700; grid-row: span 2; align-self: center; }
.torque-vehicle { font-size: 0.75rem; color: var(--muted); grid-column: 1; }
.no-results { font-size: 0.85rem; color: var(--muted); padding: 0.5rem 0; }

/* DIY garage */
.garage-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  margin-bottom: 2rem;
}
.garage-head {
  margin-bottom: 1.25rem;
}
.garage-head span {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}
.garage-head h2 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}
.garage-head p {
  color: var(--muted);
  font-size: 0.88rem;
  max-width: 72ch;
}
.garage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  align-items: start;
}
.garage-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  min-width: 0;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}
.garage-card-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
}
.garage-card h3 {
  font-size: 0.98rem;
  font-weight: 800;
}
.garage-card .garage-action,
.repair-log-form .garage-save {
  background: var(--accent);
  color: #0f1117;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 800;
  line-height: 1;
  min-height: 2.2rem;
  white-space: nowrap;
}
.garage-card .garage-action.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}
.garage-card .garage-action:hover,
.repair-log-form .garage-save:hover {
  opacity: 0.9;
}
.maintenance-list,
.repair-log-list {
  display: grid;
  gap: 0.65rem;
}
.maintenance-item,
.repair-log-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 0.9rem;
}
.maintenance-item strong,
.repair-log-item strong {
  display: block;
  font-size: 0.9rem;
}
.maintenance-item span,
.repair-log-item span {
  display: block;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-top: 0.15rem;
}
.maintenance-item p,
.repair-log-item p,
.empty-state {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 0.35rem;
}
.repair-log-form {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1rem;
}
.repair-field {
  display: grid;
  gap: 0.35rem;
  min-width: 0;
}
.repair-field-wide {
  grid-column: 1 / -1;
}
.maintenance-form label,
.repair-log-form label {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.repair-log-form input,
.repair-log-form textarea {
  display: block;
  width: 100%;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
  padding: 0.55rem 0.75rem;
  outline: none;
  resize: vertical;
}
.repair-log-form input:focus,
.repair-log-form textarea:focus {
  border-color: var(--accent);
}
.maintenance-form {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.maintenance-form input,
.maintenance-form select,
.repair-log-form input,
.repair-log-form textarea {
  display: block;
  width: 100%;
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
  padding: 0.55rem 0.75rem;
  outline: none;
}
.maintenance-form input:focus,
.maintenance-form select:focus,
.repair-log-form input:focus,
.repair-log-form textarea:focus {
  border-color: var(--accent);
}
.maintenance-item-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}
.maintenance-status {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.2rem 0.45rem;
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.status-idle {
  background: rgba(123, 128, 153, 0.18);
  color: var(--muted);
}
.status-due {
  background: rgba(224, 92, 26, 0.18);
  color: #ff9b68;
}
.status-soon {
  background: rgba(245, 166, 35, 0.18);
  color: var(--accent);
}
.status-ok {
  background: rgba(62, 207, 142, 0.18);
  color: var(--success);
}
.maintenance-form .garage-save,
.repair-log-form .garage-save {
  justify-self: start;
  margin-top: 0.15rem;
}
.repair-log-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

/* ── Result Panel ─────────────────────────────────────────────────────────── */
.result-panel {
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.75rem 2rem;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
}
.result-panel::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
}

.result-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}
.result-head span { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.result-head h2 { font-size: 1.3rem; font-weight: 800; letter-spacing: -0.02em; margin-top: 0.2rem; }
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
}
.result-actions button {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.4rem 0.65rem;
  white-space: nowrap;
}
.result-actions button:first-child {
  background: var(--accent);
  border-color: var(--accent);
  color: #0f1117;
}

#resultSummary { color: var(--text); font-size: 0.95rem; margin-bottom: 1rem; max-width: 72ch; }

.result-details { margin-top: 1rem; }

.vin-status-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.8rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.vin-status-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 0.35rem 0.65rem;
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.vin-status-badge.loaded {
  background: rgba(33, 150, 83, 0.16);
  border-color: rgba(33, 150, 83, 0.55);
}

.vin-status-badge.saved {
  background: rgba(245, 166, 35, 0.16);
  border-color: rgba(245, 166, 35, 0.65);
}

.vin-status-badge.external {
  background: var(--surface2);
}

.obd-source-row {
  margin-bottom: 1rem;
}

/* Tools page */
.tools-page .service-hero {
  max-width: 880px;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.tool-calculator {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-height: 100%;
}

.tool-calculator h3,
.reference-card h3 {
  font-size: 1rem;
  line-height: 1.25;
}

.tool-calculator p,
.reference-card p {
  color: var(--muted);
  font-size: 0.86rem;
}

.calculator-form {
  display: grid;
  gap: 0.65rem;
  margin-top: auto;
}

.calculator-form label {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.tool-row,
.input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem;
  align-items: center;
}

.tool-row select,
.tool-row input,
.input-row input,
.electrical-grid input {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font: inherit;
  min-height: 2.45rem;
  padding: 0.55rem 0.7rem;
  width: 100%;
}

.tool-row select:focus,
.tool-row input:focus,
.input-row input:focus,
.electrical-grid input:focus {
  border-color: var(--accent);
  outline: none;
}

.input-row span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-width: 2rem;
}

.electrical-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.calculator-form button {
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  color: #0f1117;
  font-weight: 900;
  min-height: 2.45rem;
  padding: 0.55rem 0.8rem;
}

.calculator-result {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: grid;
  gap: 0.2rem;
  min-height: 4.5rem;
  padding: 0.8rem;
}

.calculator-result strong {
  color: var(--text);
  font-size: 1.02rem;
}

.calculator-result span {
  color: var(--muted);
  font-size: 0.83rem;
}

.tools-reference-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.reference-card {
  min-height: 100%;
}

.reference-table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-top: 0.85rem;
  max-height: 22rem;
  overflow: auto;
}

.reference-table {
  border-collapse: collapse;
  font-size: 0.84rem;
  width: 100%;
}

.reference-table th,
.reference-table td {
  border-bottom: 1px solid var(--border);
  padding: 0.55rem 0.7rem;
  text-align: left;
}

.reference-table th {
  background: var(--surface2);
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  position: sticky;
  text-transform: uppercase;
  top: 0;
}

.reference-table td {
  font-family: var(--font-mono);
}

.tool-reference-list {
  display: grid;
  gap: 0.6rem;
  list-style: none;
  margin-top: 0.85rem;
}

.tool-reference-list li {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--muted);
  padding: 0.65rem 0.75rem;
}

.tool-reference-list strong {
  color: var(--text);
}

/* Detail list */
.detail-list { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.detail-list li {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  font-size: 0.88rem;
  line-height: 1.5;
}

/* Key-value list */
.kv-list { display: grid; gap: 0.5rem; }
.kv-list > div { display: flex; gap: 1rem; align-items: baseline; padding: 0.55rem 0.9rem; background: var(--surface2); border-radius: var(--radius-sm); border: 1px solid var(--border); }
.kv-list dt { font-size: 0.78rem; font-weight: 600; color: var(--muted); min-width: 160px; flex-shrink: 0; }
.kv-list dd { font-size: 0.9rem; }

/* Fluid table */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.fluid-table { width: 100%; border-collapse: collapse; font-size: 0.84rem; }
.fluid-table thead { background: var(--surface2); }
.fluid-table th { padding: 0.65rem 0.9rem; text-align: left; font-size: 0.73rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 600; white-space: nowrap; }
.fluid-table td { padding: 0.65rem 0.9rem; border-top: 1px solid var(--border); vertical-align: top; }
.fluid-table tr:hover td { background: rgba(245,166,35,0.04); }
.note-cell { color: var(--muted); font-size: 0.8rem; max-width: 240px; }

/* Recall link */
.recall-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  background: var(--accent);
  color: #0f1117;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: opacity 0.15s;
}
.recall-link:hover { opacity: 0.85; text-decoration: none; }

/* Loading dots */
.loading-dots { display: flex; gap: 6px; padding: 0.5rem 0; }
.loading-dots span {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 1.2s infinite ease-in-out;
}
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes pulse { 0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); } 40% { opacity: 1; transform: scale(1); } }

/* ── OBD Guide ─────────────────────────────────────────────────────────────── */
.obd-guide {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 2rem;
}
.guide-intro { margin-bottom: 1.5rem; }
.guide-intro h2 { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 0.3rem; }
.guide-intro p { color: var(--muted); font-size: 0.88rem; max-width: 62ch; }

.obd-workbench {
  background: linear-gradient(135deg, rgba(245,166,35,0.12), rgba(34,38,58,0.72));
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(240px, 0.85fr) minmax(280px, 1.15fr);
  margin-bottom: 1.25rem;
  padding: 1rem;
}
.obd-workbench-copy span,
.guide-intro span {
  color: var(--accent);
  display: block;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
  text-transform: uppercase;
}
.obd-workbench-copy h3 {
  font-size: 1rem;
  font-weight: 850;
  margin-bottom: 0.35rem;
}
.obd-workbench-copy p {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
}
.obd-stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.8rem;
}
.obd-stat-row span {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  display: inline-flex;
  font-size: 0.74rem;
  gap: 0.35rem;
  letter-spacing: 0;
  margin: 0;
  padding: 0.28rem 0.58rem;
  text-transform: none;
}
.obd-stat-row strong {
  color: var(--accent);
  font-family: var(--font-mono);
}
.obd-search-form {
  display: grid;
  gap: 0.55rem;
}
.obd-search-form label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.obd-search-controls {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: minmax(160px, 1fr) 145px auto;
}
.obd-search-controls input,
.obd-search-controls select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 0.88rem;
  min-height: 2.55rem;
  outline: none;
  padding: 0.55rem 0.8rem;
}
.obd-search-controls input:focus,
.obd-search-controls select:focus {
  border-color: var(--accent);
}
.obd-search-results {
  grid-column: 1 / -1;
}
.obd-search-results p {
  color: var(--muted);
  font-size: 0.84rem;
}
.obd-open-independent {
  background: var(--accent);
  border: 0;
  border-radius: var(--radius-sm);
  color: #0f1117;
  font-weight: 850;
  margin-top: 0.7rem;
  padding: 0.55rem 0.85rem;
}

.code-family-tabs { display: flex; gap: 0.4rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.family-tab {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 0.35rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  transition: color 0.12s, border-color 0.12s, background 0.12s;
}
.family-tab.active,
.family-tab:hover { color: #0f1117; background: var(--accent); border-color: var(--accent); }

.guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.guide-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
}
.guide-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.5rem; }
#familySummary { font-size: 0.84rem; color: var(--muted); margin-bottom: 0.9rem; }

.range-list { display: flex; flex-direction: column; gap: 0.4rem; }
.range-row {
  border-bottom: 1px solid var(--border);
}
.range-row:last-child {
  border-bottom: none;
}
.range-item { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; font-size: 0.83rem; padding: 0.55rem 0; border: 0; background: transparent; color: inherit; text-align: left; width: 100%; }
.range-item::after {
  color: var(--accent);
  content: "+";
  flex: 0 0 auto;
  font-weight: 900;
}
.range-item.active::after {
  content: "-";
}
.range-item strong { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); }
.range-item span { color: var(--muted); font-size: 0.8rem; text-align: right; }
.range-item:hover span { color: var(--text); }
.range-code-panel {
  padding: 0.25rem 0 0.85rem;
}
.range-code-panel[hidden] {
  display: none;
}

.common-code-list { display: flex; flex-direction: column; gap: 0.4rem; }
.common-code-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  text-align: left;
  transition: border-color 0.12s, background 0.12s;
}
.common-code-btn:hover { border-color: var(--accent); background: rgba(245,166,35,0.05); }
.common-code-btn strong { font-family: var(--font-mono); font-size: 0.82rem; color: var(--accent); min-width: 52px; }
.common-code-btn span { font-size: 0.82rem; color: var(--muted); }
.common-code-btn em { margin-left: auto; color: var(--accent); font-size: 0.72rem; font-style: normal; font-weight: 800; text-transform: uppercase; }
.obd-code-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.65rem;
}
.obd-code-grid.compact {
  grid-template-columns: 1fr;
  gap: 0.45rem;
}
.obd-code-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 0.85rem;
  text-align: left;
}
.range-code-panel .obd-code-card {
  background: var(--surface);
  padding: 0.65rem 0.75rem;
}
.obd-code-card:hover {
  border-color: var(--accent);
  background: rgba(245,166,35,0.05);
}
.obd-code-card strong {
  color: var(--accent);
  display: block;
  font-family: var(--font-mono);
  margin-bottom: 0.3rem;
}
.obd-code-card span {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}
.obd-code-card em {
  color: var(--accent);
  display: block;
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 800;
  margin-top: 0.45rem;
  text-transform: uppercase;
}
.obd-anatomy-card {
  grid-column: 1 / -1;
}
.obd-anatomy-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.obd-anatomy-grid div {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
}
.obd-anatomy-grid strong {
  color: var(--accent);
  display: block;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  margin-bottom: 0.25rem;
}
.obd-anatomy-grid span {
  color: var(--muted);
  display: block;
  font-size: 0.78rem;
  line-height: 1.45;
}

/* ── Reference Footer ──────────────────────────────────────────────────────── */
.reference-footer {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  align-items: start;
}
.reference-footer h2 { font-size: 1.1rem; font-weight: 800; margin-bottom: 0.4rem; }
.reference-footer p { color: var(--muted); font-size: 0.85rem; }

.reference-links { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.reference-links a {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  transition: border-color 0.15s, background 0.15s;
  text-decoration: none;
}
.reference-links a:hover { border-color: var(--accent); background: rgba(245,166,35,0.05); }
.reference-links strong { font-size: 0.88rem; color: var(--text); }
.reference-links span { font-size: 0.78rem; color: var(--muted); }

/* Service page */
.service-page {
  display: grid;
  gap: 2rem;
  padding-top: 2rem;
}
.service-hero,
.service-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}
.service-hero {
  border-color: var(--accent);
  position: relative;
  overflow: hidden;
}
.service-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
}
.service-hero h1 {
  font-size: 1.8rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}
.service-hero p,
.service-section p {
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 78ch;
}
.service-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}
.secondary-link {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.service-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
}
.service-card h3 {
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 800;
  margin-bottom: 0.45rem;
}
.service-card p {
  font-size: 0.84rem;
  line-height: 1.55;
}
.service-note {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
}
.service-note ul {
  display: grid;
  gap: 0.55rem;
  padding-left: 1.1rem;
}
.service-note li {
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.5;
}

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .site-header {
    padding: 0 1rem;
    height: 58px;
    position: sticky;
    top: 0;
  }
  .site-header nav {
    display: none;
  }
  .mobile-nav {
    align-items: center;
    background: rgba(15,17,23,0.96);
    border-top: 1px solid var(--border);
    bottom: 0;
    display: grid;
    gap: 0.25rem;
    grid-template-columns: repeat(5, 1fr);
    left: 0;
    padding: 0.45rem 0.5rem calc(0.45rem + env(safe-area-inset-bottom));
    position: fixed;
    right: 0;
    z-index: 200;
  }
  html[data-theme="light"] .mobile-nav {
    background: rgba(255,255,255,0.96);
  }
  .mobile-nav a {
    align-items: center;
    border-radius: var(--radius-sm);
    color: var(--muted);
    display: flex;
    font-size: 0.74rem;
    font-weight: 850;
    justify-content: center;
    min-height: 2.3rem;
    text-decoration: none;
  }
  .mobile-nav a[aria-current="page"],
  .mobile-nav a:hover {
    background: var(--accent);
    color: #0f1117;
  }
  .dashboard { grid-template-columns: 1fr; }
  .quick-actions { grid-template-columns: 1fr 1fr; }
  .garage-grid { grid-template-columns: 1fr; }
  .obd-workbench { grid-template-columns: 1fr; }
  .obd-search-controls { grid-template-columns: 1fr 1fr; }
  .obd-search-controls button { grid-column: 1 / -1; }
  .guide-grid { grid-template-columns: 1fr; }
  .obd-anatomy-grid { grid-template-columns: 1fr 1fr; }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .tools-grid { grid-template-columns: 1fr 1fr; }
  .tools-reference-grid { grid-template-columns: 1fr; }
  .reference-footer { grid-template-columns: 1fr; }
  .reference-links { grid-template-columns: 1fr; }
}

@media (hover: none) and (pointer: coarse) {
  .site-header {
    height: 58px;
    position: sticky;
    top: 0;
  }
  .site-header nav {
    display: none;
  }
  .mobile-nav {
    align-items: center;
    background: rgba(15,17,23,0.96);
    border-top: 1px solid var(--border);
    bottom: 0;
    display: grid;
    gap: 0.25rem;
    grid-template-columns: repeat(5, 1fr);
    left: 0;
    padding: 0.45rem 0.5rem calc(0.45rem + env(safe-area-inset-bottom));
    position: fixed;
    right: 0;
    z-index: 200;
  }
  html[data-theme="light"] .mobile-nav {
    background: rgba(255,255,255,0.96);
  }
  .mobile-nav a {
    align-items: center;
    border-radius: var(--radius-sm);
    color: var(--muted);
    display: flex;
    font-size: 0.74rem;
    font-weight: 850;
    justify-content: center;
    min-height: 2.3rem;
    text-decoration: none;
  }
  .mobile-nav a[aria-current="page"],
  .mobile-nav a:hover {
    background: var(--accent);
    color: #0f1117;
  }
  main {
    padding-bottom: 6.5rem;
  }
}

@media (max-width: 600px) {
  body {
    font-size: 14px;
  }
  .site-header {
    padding: 0 0.85rem;
  }
  .brand { font-size: 0.92rem; }
  .brand span:last-child {
    max-width: 46vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .theme-toggle {
    font-size: 0.74rem;
    padding: 0.3rem 0.6rem;
  }
  main { padding: 0 0.85rem 6.5rem; }
  .lookup-form > div {
    flex-direction: column;
  }
  .lookup-form input,
  .lookup-form button,
  .stacked-form input,
  .stacked-form select,
  .stacked-form button,
  .tool-panel > button[type="button"] {
    width: 100%;
  }
  button[type="submit"],
  .tool-panel > button[type="button"] {
    align-self: stretch;
    min-height: 2.65rem;
  }
  .vin-helper {
    align-items: stretch;
    flex-direction: column;
  }
  .vin-helper button {
    min-height: 2.45rem;
    width: 100%;
  }
  .quick-actions { grid-template-columns: 1fr; }
  .obd-search-controls { grid-template-columns: 1fr; }
  .obd-search-controls button { grid-column: auto; }
  .obd-anatomy-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .tools-reference-grid { grid-template-columns: 1fr; }
  .electrical-grid { grid-template-columns: 1fr; }
  .dashboard { padding: 1.25rem 0 1.5rem; }
  .garage-panel,
  .result-panel,
  .obd-guide,
  .reference-footer,
  .service-hero,
  .service-section {
    padding: 1.25rem;
  }
  .garage-card-head,
  .vehicle-card-head,
  .result-head,
  .repair-log-row {
    grid-template-columns: 1fr;
  }
  .garage-card-head {
    display: grid;
  }
  .vehicle-card-head {
    display: grid;
  }
  .result-head {
    display: grid;
  }
  .vehicle-card-actions {
    justify-content: flex-start;
  }
  .result-actions {
    justify-content: flex-start;
  }
  .result-actions button {
    flex: 1 1 100%;
  }
  .tool-panel,
  .vehicle-card,
  .garage-card {
    padding: 1.1rem;
  }
  .vehicle-card dl > div {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.1rem;
  }
  .torque-result-item {
    grid-template-columns: 1fr;
  }
  .torque-spec {
    grid-row: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .loading-dots span { animation: none; opacity: 0.6; }
}

/* Job checklist */
.tool-icon.checklist {
  background: rgba(62,207,142,0.15);
}
.tool-icon.checklist::after {
  content: "✓";
  color: var(--success);
  font-weight: 900;
}
.stacked-form select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.8rem;
  color: var(--text);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
}
.stacked-form select:focus {
  border-color: var(--accent);
}
.checklist-group {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  margin-bottom: 0.75rem;
}
.checklist-group h3 {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 0.55rem;
  text-transform: uppercase;
}
.checklist-group ul {
  display: grid;
  gap: 0.45rem;
  list-style: none;
}
.checklist-group li {
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.45;
  padding-left: 1rem;
  position: relative;
}
.checklist-group li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 999px;
  background: var(--accent);
}

.obd-related-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.5rem;
}
.obd-related-code {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 0.65rem 0.75rem;
  text-align: left;
}
.obd-related-code:hover {
  background: rgba(245,166,35,0.05);
  border-color: var(--accent);
}
.obd-related-code strong {
  color: var(--accent);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  margin-bottom: 0.2rem;
}
.obd-related-code span {
  color: var(--muted);
  display: block;
  font-size: 0.78rem;
  line-height: 1.35;
}

.tool-icon.symptom {
  background: rgba(100,160,255,0.15);
}
.tool-icon.symptom::after {
  content: "?";
  color: #8fb8ff;
  font-weight: 900;
}
.tool-icon.cost {
  background: rgba(245,166,35,0.15);
}
.tool-icon.cost::after {
  content: "$";
  color: var(--accent);
  font-weight: 900;
}
.tool-icon.toolbox {
  background: rgba(150,100,255,0.15);
}
.tool-icon.toolbox::after {
  content: "T";
  color: #b89cff;
  font-weight: 900;
}
.tool-icon.safety {
  background: rgba(224,92,26,0.15);
}
.tool-icon.safety::after {
  content: "!";
  color: #ff9b68;
  font-weight: 900;
}
.tool-icon.parts {
  background: rgba(62,207,142,0.15);
}
.tool-icon.parts::after {
  content: "+";
  color: var(--success);
  font-weight: 900;
}
.tool-icon.risk {
  background: rgba(245,166,35,0.15);
}
.tool-icon.risk::after {
  content: "R";
  color: var(--accent);
  font-weight: 900;
}
.tool-icon.pattern {
  background: rgba(100,160,255,0.15);
}
.tool-icon.pattern::after {
  content: "#";
  color: #8fb8ff;
  font-weight: 900;
}
.tool-icon.lights {
  background: rgba(245,166,35,0.15);
}
.tool-icon.lights::after {
  content: "L";
  color: var(--accent);
  font-weight: 900;
}
.garage-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
}
.checkbox-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.checkbox-line input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

@media print {
  body {
    background: #fff;
    color: #111;
  }
  .site-header,
  .dashboard,
  .quick-actions,
  .garage-panel,
  .obd-guide,
  .reference-footer,
  .result-actions {
    display: none !important;
  }
  main {
    max-width: none;
    padding: 0;
  }
  .result-panel {
    border: 0;
    box-shadow: none;
    margin: 0;
    padding: 0;
    color: #111;
    background: #fff;
  }
  .result-panel::before {
    display: none;
  }
  .result-head {
    display: block;
    border-bottom: 2px solid #111;
    padding-bottom: 0.5rem;
  }
  .result-head span,
  .result-head h2,
  #resultSummary,
  .result-details,
  .detail-list li,
  .kv-list > div,
  .checklist-group,
  .fluid-table td,
  .fluid-table th {
    color: #111;
  }
  .detail-list li,
  .kv-list > div,
  .checklist-group,
  .table-wrap {
    background: #fff;
    border-color: #999;
  }
  a {
    color: #111;
    text-decoration: none;
  }
}