/* ============================================================
   PROJETO CHASSI — Design System v2
   Dark Enterprise · Midnight Opulence
   4-point grid · Space Grotesk + Manrope
   ============================================================ */

:root {
  /* Backgrounds */
  --bg:            #0b1120;
  --bg-alt:        #0e1528;
  --bg-raised:     #121a2f;

  /* Surfaces */
  --surface:       rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --surface-solid: #141e30;

  /* Text */
  --text:          #dde4f0;
  --muted:         #7a8fa8;
  --subtle:        #4a5a70;

  /* Borders */
  --line:          rgba(255, 255, 255, 0.07);
  --line-strong:   rgba(255, 255, 255, 0.13);

  /* Brand */
  --primary:       #4d94f5;
  --primary-strong:#2e72d4;
  --primary-bg:    rgba(77, 148, 245, 0.10);

  /* Accent (gold) */
  --accent:        #d4a853;
  --accent-strong: #b88830;
  --accent-bg:     rgba(212, 168, 83, 0.10);

  /* Semantic */
  --success:       #0ec98a;
  --success-bg:    rgba(14, 201, 138, 0.10);
  --warning:       #f0a035;
  --warning-bg:    rgba(240, 160, 53, 0.10);
  --danger:        #e85a4a;
  --danger-bg:     rgba(232, 90, 74, 0.10);
  --neutral:       #64748b;
  --neutral-bg:    rgba(100, 116, 139, 0.10);

  /* Shadows */
  --shadow-sm:     0 2px 8px rgba(0, 0, 0, 0.36);
  --shadow-md:     0 8px 24px rgba(0, 0, 0, 0.44);
  --shadow-lg:     0 24px 64px rgba(0, 0, 0, 0.56);

  /* Radius (4-point) */
  --radius-xl:     20px;
  --radius-lg:     16px;
  --radius-md:     12px;
  --radius-sm:      8px;
  --radius-xs:      6px;
}

/* ── Reset ─────────────────────────────────────────────────── */
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  font-size: 15px;
  color: var(--text);
  font-feature-settings: "tnum" 1, "ss01" 1;
  background: var(--bg);
  background-image:
    radial-gradient(ellipse 60% 40% at 10% 0%,   rgba(77, 148, 245, 0.07)  0%, transparent 70%),
    radial-gradient(ellipse 40% 30% at 90% 0%,   rgba(212, 168, 83, 0.06)  0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 50% 100%,  rgba(77, 148, 245, 0.04)  0%, transparent 80%);
}

/* subtle ambient glows */
body::before,
body::after {
  content: "";
  position: fixed;
  pointer-events: none;
  border-radius: 999px;
  filter: blur(72px);
  opacity: 0.4;
}
body::before {
  width: 360px; height: 360px;
  left: -80px; top: 15%;
  background: rgba(77, 148, 245, 0.14);
}
body::after {
  width: 280px; height: 280px;
  right: -60px; bottom: 10%;
  background: rgba(212, 168, 83, 0.10);
}

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, strong {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.035em;
}
p, ul, ol, dl { margin: 0; }
button, input { font: inherit; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Layout shell ───────────────────────────────────────────── */
.page-shell {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
}

.minimal-shell {
  min-height: 100vh;
  display: grid;
  align-content: start;
  gap: 20px;
  padding: 32px 0 48px;
}

.app-shell {
  position: relative;
  z-index: 1;
  transition: padding 0.35s ease, align-content 0.35s ease;
}

.app-shell[data-view="idle"] {
  align-content: center;
  padding: 0;
}

/* ── Surface base ───────────────────────────────────────────── */
.search-card,
.results-stage,
.not-found-card {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
}

/* ── Search card ────────────────────────────────────────────── */
.search-card { padding: 32px; }

.search-card--minimal {
  width: min(840px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 8px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(77, 148, 245, 0.06);
}

.search-card--minimal .search-form {
  margin-top: 0;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.search-card--minimal .search-field { gap: 0; }

.search-card--minimal .search-field input {
  min-height: 72px;
  padding: 0 20px 0 16px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  box-shadow: none;
  font-size: clamp(1rem, 1.8vw, 1.15rem);
  font-weight: 700;
  color: var(--text);
}

.search-card--minimal .search-field input::placeholder { color: var(--subtle); }

.search-card--minimal .search-field input:focus {
  border: 0;
  box-shadow: none;
  transform: none;
}

.search-card--minimal .field-support { display: none; }

.search-card--minimal .primary-button {
  min-height: 56px;
  padding: 0 24px;
  border-radius: 12px;
}

.search-card--minimal .primary-button:hover {
  transform: translateY(-1px);
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero-top {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.85fr);
  gap: 24px;
  align-items: start;
}

.hero-copy-block {
  display: grid;
  gap: 16px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  color: var(--accent);
  font-weight: 800;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  box-shadow: 0 0 0 4px var(--accent-bg);
}

.search-card h1 {
  max-width: 12ch;
  font-size: clamp(2.6rem, 5vw, 4.6rem);
  line-height: 0.94;
  color: var(--text);
}

.search-copy,
.state-copy p,
.metric-copy,
.result-explanation,
.result-source,
.group-subtitle,
.group-footnote,
.collection-empty,
.loading-steps,
.warning-list,
.part-source,
.part-rules,
.assist-card p {
  color: var(--muted);
  line-height: 1.65;
}

.search-copy {
  max-width: 60ch;
  font-size: 0.96rem;
}

.hero-metrics { display: grid; gap: 12px; }

.hero-metric {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.hero-metric--accent {
  background: linear-gradient(145deg, var(--accent-bg), var(--primary-bg));
  border-color: rgba(212, 168, 83, 0.18);
}

.hero-metric span,
.assist-label,
.metric-label,
.result-panel dt,
.filter-field span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-metric strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.1rem;
  color: var(--text);
}

/* ── Forms ──────────────────────────────────────────────────── */
.search-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  margin-top: 28px;
}

.search-field { display: grid; gap: 8px; }

.search-field input,
.filter-field input {
  width: 100%;
  min-height: 56px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 0.96rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.search-field input::placeholder,
.filter-field input::placeholder { color: var(--subtle); }

.search-field input:focus,
.filter-field input:focus {
  outline: none;
  border-color: rgba(77, 148, 245, 0.5);
  box-shadow: 0 0 0 3px rgba(77, 148, 245, 0.12);
}

.field-support {
  color: var(--muted);
  font-size: 0.82rem;
}

/* ── Buttons ────────────────────────────────────────────────── */
.primary-button,
.secondary-button,
.ghost-button,
.example-chip,
.group-toggle,
.load-more-button,
.summary-tag {
  appearance: none;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

.primary-button {
  min-height: 56px;
  padding: 0 28px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  color: #fff;
  background: var(--primary);
  border: 1px solid rgba(77, 148, 245, 0.3);
  box-shadow: 0 4px 16px rgba(77, 148, 245, 0.20);
}

.primary-button:hover {
  background: var(--primary-strong);
  box-shadow: 0 6px 20px rgba(77, 148, 245, 0.30);
}

.primary-button:disabled,
.secondary-button:disabled,
.ghost-button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
  transform: none;
}

.secondary-button,
.ghost-button,
.group-toggle,
.load-more-button,
.example-chip,
.summary-tag {
  min-height: 36px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  font-size: 0.86rem;
}

.secondary-button {
  padding: 0 16px;
  min-height: 40px;
}

.ghost-button,
.group-toggle,
.load-more-button {
  padding: 0 12px;
}

.example-chip,
.summary-tag {
  padding: 8px 12px;
}

.secondary-button:hover,
.ghost-button:hover,
.example-chip:hover,
.group-toggle:hover,
.load-more-button:hover,
.summary-tag:hover {
  background: var(--surface-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

.summary-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.summary-tag--module {
  display: grid;
  gap: 8px;
  min-width: 180px;
  min-height: 84px;
  padding: 16px;
  text-align: left;
  align-content: space-between;
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.summary-tag--module span { line-height: 1.25; }

.summary-tag-copy {
  color: var(--text);
  font-weight: 700;
  font-size: 0.86rem;
}

.summary-tag-meta {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.35;
}

.summary-tag strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 0.78rem;
}

.summary-tag.active {
  border-color: rgba(77, 148, 245, 0.3);
  background: var(--primary-bg);
  color: var(--primary);
}

/* ── Search assists ─────────────────────────────────────────── */
.search-assists {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.7fr);
  gap: 12px;
  margin-top: 16px;
}

.assist-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.assist-card--quiet {
  background: linear-gradient(145deg, var(--primary-bg), transparent);
  border-color: rgba(77, 148, 245, 0.14);
}

.example-strip,
.summary-tags,
.part-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ── Results stage ──────────────────────────────────────────── */
.results-stage {
  padding: 0;
  border: 0;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
  container-type: inline-size;
}

/* ── Cards & panels ─────────────────────────────────────────── */
.state-card,
.result-card,
.result-panel,
.metric-card,
.warning-panel,
.group-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
}

.state-card {
  display: grid;
  gap: 20px;
  padding: 24px;
}

.state-card h3,
.result-card h2,
.result-panel h3 {
  margin-bottom: 8px;
  color: var(--text);
}

.state-card--empty {
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.85fr);
  align-items: start;
}

.state-checklist {
  padding-left: 20px;
  display: grid;
  gap: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ── Loading state ──────────────────────────────────────────── */
.state-card--loading {
  position: relative;
  grid-template-columns: 1fr;
  justify-items: center;
  text-align: center;
  min-height: 320px;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 30%, rgba(212, 168, 83, 0.08), transparent 40%),
    rgba(255, 255, 255, 0.03);
}

/* ── Plasma loader (unchanged logic) ───────────────────────── */
.plasma-loader {
  position: relative;
  width: 160px; height: 160px;
  margin-bottom: 8px;
  isolation: isolate;
}

.plasma-loader__halo,
.plasma-loader__core,
.plasma-loader__blob {
  position: absolute;
  inset: 0;
  border-radius: 999px;
}

.plasma-loader__halo {
  inset: 12px;
  background:
    radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 60%),
    conic-gradient(from 0deg, rgba(77,148,245,0.08), rgba(77,148,245,0.4), rgba(212,168,83,0.5), rgba(77,148,245,0.08));
  filter: blur(10px);
  animation: plasmaHaloSpin 5.5s linear infinite;
}

.plasma-loader__core {
  inset: 36px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.20), transparent 55%),
    radial-gradient(circle at 65% 65%, rgba(212,168,83,0.7), rgba(77,148,245,0.7));
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.08),
    0 0 40px rgba(77,148,245,0.3),
    0 0 80px rgba(212,168,83,0.2);
  animation: plasmaCorePulse 2.7s ease-in-out infinite;
}

.plasma-loader__blob {
  inset: auto;
  width: 60px; height: 60px;
  background:
    radial-gradient(circle at 35% 35%, rgba(255,255,255,0.3), transparent 55%),
    linear-gradient(145deg, rgba(212,168,83,0.8), rgba(77,148,245,0.6));
  filter: blur(6px);
  opacity: 0.85;
  mix-blend-mode: screen;
}

.plasma-loader__blob--a { top: 16px; left: 56px; animation: plasmaOrbitA 3.6s ease-in-out infinite; }
.plasma-loader__blob--b { right: 10px; bottom: 42px; animation: plasmaOrbitB 4.4s ease-in-out infinite; }
.plasma-loader__blob--c { left: 18px; bottom: 28px; animation: plasmaOrbitC 3.9s ease-in-out infinite; }

/* ── Result card ────────────────────────────────────────────── */
.result-card { padding: 24px; }

.result-topbar,
.result-header,
.panel-heading-inline,
.group-head,
.part-header,
.warning-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.result-topbar  { margin-bottom: 20px; }
.result-intro   { display: grid; gap: 8px; }

/* ── Status pill ────────────────────────────────────────────── */
.result-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.result-status::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 999px;
  background: currentColor;
  flex-shrink: 0;
}

.result-status.success {
  color: var(--success);
  background: var(--success-bg);
  border-color: rgba(14, 201, 138, 0.2);
}
.result-status.warning {
  color: var(--warning);
  background: var(--warning-bg);
  border-color: rgba(240, 160, 53, 0.2);
}
.result-status.danger {
  color: var(--danger);
  background: var(--danger-bg);
  border-color: rgba(232, 90, 74, 0.2);
}
.result-status.neutral {
  color: var(--muted);
  background: var(--neutral-bg);
  border-color: rgba(100, 116, 139, 0.2);
}

.result-source { font-size: 0.84rem; color: var(--muted); }

/* ── Summary metrics ────────────────────────────────────────── */
.summary-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 20px;
}

.metric-card { padding: 16px 20px; }

.metric-label {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.metric-value {
  display: block;
  margin-bottom: 4px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.metric-value[data-state="success"] { color: var(--success); }
.metric-value[data-state="warning"] { color: var(--warning); }
.metric-value[data-state="neutral"] { color: var(--primary); }
.metric-value[data-state="danger"]  { color: var(--danger);  }

.metric-copy { font-size: 0.78rem; line-height: 1.5; }

/* ── Warning panel ──────────────────────────────────────────── */
.warning-panel {
  padding: 16px 20px;
  margin-bottom: 20px;
  border: 1px solid rgba(77, 148, 245, 0.12);
  background: linear-gradient(145deg, rgba(77, 148, 245, 0.05), transparent);
}

.warning-title-row { margin-bottom: 8px; }

.warning-list {
  padding-left: 18px;
  display: grid;
  gap: 8px;
  margin-top: 8px;
  font-size: 0.88rem;
}

/* ── Result grid ────────────────────────────────────────────── */
.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.result-panel { padding: 20px; }
.result-panel.full { grid-column: 1 / -1; }

.result-panel dl { display: grid; gap: 12px; }
.result-panel dl div { display: grid; gap: 2px; }

.result-panel dt {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.result-panel dd {
  margin: 0;
  color: var(--text);
  font-weight: 600;
  font-size: 0.92rem;
}

.panel-heading-inline { margin-bottom: 16px; }

.panel-heading-inline h3 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.panel-heading-inline p {
  font-size: 0.82rem;
  color: var(--muted);
}

/* ── Result toolbar / filter ────────────────────────────────── */
.result-toolbar {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.omnibar-glass { margin-top: 4px; }

.filter-field {
  min-width: 260px;
  display: grid;
  gap: 6px;
}

.filter-field input {
  min-height: 40px;
  font-size: 0.88rem;
}

/* ── Service tags ───────────────────────────────────────────── */
.service-tags {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
}

.service-tag {
  display: grid;
  gap: 6px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.service-tag-label {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.service-tag-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.service-tag--success { border-color: rgba(14, 201, 138, 0.2); background: var(--success-bg); }
.service-tag--warning { border-color: rgba(240, 160, 53, 0.2); background: var(--warning-bg); }
.service-tag--danger  { border-color: rgba(232, 90, 74, 0.2);  background: var(--danger-bg);  }

/* ── Code chips (focus list) ────────────────────────────────── */
.code-focus-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(176px, 1fr));
  gap: 8px;
}

.code-chip {
  appearance: none;
  cursor: pointer;
  display: grid;
  gap: 4px;
  min-height: 84px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  text-align: left;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.code-chip:hover {
  transform: translateY(-1px);
  background: var(--surface-hover);
  border-color: rgba(77, 148, 245, 0.28);
}

.code-chip:focus-visible {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-bg);
}

.code-chip-label,
.part-code-label {
  color: var(--subtle);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.code-chip-value {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  font-family: "SF Mono", "Fira Code", monospace;
}

.code-chip-meta {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

/* ── Group list ─────────────────────────────────────────────── */
.group-list { display: grid; gap: 8px; }

.group-card { overflow: hidden; }

.group-card--applicable { border-color: rgba(14, 201, 138, 0.14); }
.group-card--review     { border-color: rgba(77, 148, 245, 0.14); }

.group-head {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.group-title-wrap { display: grid; gap: 2px; }

.group-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
}

.group-subtitle,
.group-footnote {
  font-size: 0.78rem;
  color: var(--muted);
}

.group-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.group-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.78rem;
  border: 1px solid transparent;
}

.group-count--applicable {
  color: var(--success);
  background: var(--success-bg);
  border-color: rgba(14, 201, 138, 0.2);
}
.group-count--review {
  color: var(--primary);
  background: var(--primary-bg);
  border-color: rgba(77, 148, 245, 0.2);
}

/* ── Parts list — table rows ────────────────────────────────── */
.parts-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
}

/* each row */
.part-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: transparent;
  transition: background 0.12s;
}

.part-item:last-child { border-bottom: 0; }

.part-item:hover { background: rgba(255, 255, 255, 0.025); }

/* row layout: code block | name + meta | badges */
.part-header {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  align-items: center;
  gap: 16px;
}

.part-main {
  display: contents; /* let children participate in grid */
}

.part-code-block {
  display: grid;
  gap: 2px;
}

.part-code-label {
  color: var(--subtle);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.part-code {
  display: block;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  font-family: "SF Mono", "Fira Code", monospace;
  line-height: 1.2;
}

.part-name {
  color: var(--text);
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.4;
}

.part-original {
  grid-column: 2 / -1;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
  margin-top: 4px;
  padding-left: 156px; /* align with name column */
}

.part-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.part-rules,
.part-source {
  margin-top: 6px;
  font-size: 0.82rem;
  color: var(--muted);
  padding-left: 156px;
}

.part-service {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--line);
}

.part-internal-note {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

/* ── Module research ────────────────────────────────────────── */
.module-research-summary { margin-top: 16px; }

.module-research-copy {
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.module-research-text,
.module-research-meta { margin: 0; color: var(--text); }

.module-research-meta { color: var(--muted); font-size: 0.86rem; }

.module-research-query-list {
  margin: 0;
  padding-left: 16px;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.86rem;
}

/* ── OEM parts ──────────────────────────────────────────────── */
.oem-modules { display: grid; gap: 12px; margin-top: 12px; }

.oem-module {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  overflow: hidden;
}

.oem-module-header {
  margin: 0;
  padding: 10px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-bg);
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.01em;
}

.oem-parts-list { list-style: none; margin: 0; padding: 0; }

.oem-part-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
}

.oem-part-item:last-child { border-bottom: none; }

.oem-code {
  font-weight: 700;
  font-family: "SF Mono", "Fira Code", monospace;
  color: var(--primary);
  white-space: nowrap;
  min-width: 104px;
  font-size: 0.8rem;
}

.oem-name  { color: var(--text); flex: 1; font-size: 0.82rem; }
.oem-notes { color: var(--muted); font-size: 0.74rem; white-space: nowrap; }

.oem-match-summary {
  margin-top: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-xs);
  background: var(--success-bg);
  border: 1px solid rgba(14, 201, 138, 0.2);
  color: var(--success);
  font-size: 0.8rem;
  font-weight: 600;
}

.oem-summary { margin-top: 8px; }
.oem-matches { margin-top: 4px; }

/* ── Inline badges ──────────────────────────────────────────── */
.inline-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  border: 1px solid transparent;
  white-space: nowrap;
}

.inline-badge--neutral {
  color: var(--muted);
  background: var(--neutral-bg);
  border-color: rgba(100, 116, 139, 0.2);
}
.inline-badge--subtle {
  color: var(--primary);
  background: var(--primary-bg);
  border-color: rgba(77, 148, 245, 0.2);
}
.inline-badge--warning {
  color: var(--warning);
  background: var(--warning-bg);
  border-color: rgba(240, 160, 53, 0.2);
}
.inline-badge--success {
  color: var(--success);
  background: var(--success-bg);
  border-color: rgba(14, 201, 138, 0.2);
}
.inline-badge--danger {
  color: var(--danger);
  background: var(--danger-bg);
  border-color: rgba(232, 90, 74, 0.2);
}

/* ── Empty state ────────────────────────────────────────────── */
.collection-empty {
  padding: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
  font-size: 0.86rem;
}

/* ── Toast ──────────────────────────────────────────────────── */
.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 10;
  min-width: 248px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(20, 30, 46, 0.96);
  border: 1px solid var(--line-strong);
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.toast[data-tone="success"] {
  background: rgba(14, 201, 138, 0.14);
  border-color: rgba(14, 201, 138, 0.3);
  color: var(--success);
}
.toast[data-tone="warning"] {
  background: rgba(240, 160, 53, 0.14);
  border-color: rgba(240, 160, 53, 0.3);
  color: var(--warning);
}
.toast[data-tone="danger"] {
  background: rgba(232, 90, 74, 0.14);
  border-color: rgba(232, 90, 74, 0.3);
  color: var(--danger);
}

/* ── 404 ────────────────────────────────────────────────────── */
.not-found-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.not-found-card {
  width: min(540px, 100%);
  padding: 32px;
}

.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 20px;
  text-decoration: none;
  color: var(--primary);
  font-weight: 700;
}

/* ── Keyframes ──────────────────────────────────────────────── */
@keyframes plasmaHaloSpin {
  from { transform: rotate(0deg) scale(0.98); }
  50%  { transform: rotate(180deg) scale(1.02); }
  to   { transform: rotate(360deg) scale(0.98); }
}

@keyframes plasmaCorePulse {
  0%, 100% { transform: scale(0.94); filter: saturate(1) brightness(0.98); }
  50%       { transform: scale(1.04); filter: saturate(1.2) brightness(1.10); }
}

@keyframes plasmaOrbitA {
  0%, 100% { transform: translate(0, 0) scale(0.92); }
  33%       { transform: translate(36px, 24px) scale(1.18); }
  66%       { transform: translate(-22px, 52px) scale(0.86); }
}

@keyframes plasmaOrbitB {
  0%, 100% { transform: translate(0, 0) scale(1.04); }
  40%       { transform: translate(-56px, -24px) scale(0.84); }
  70%       { transform: translate(-16px, -64px) scale(1.14); }
}

@keyframes plasmaOrbitC {
  0%, 100% { transform: translate(0, 0) scale(0.9); }
  30%       { transform: translate(24px, -56px) scale(1.12); }
  75%       { transform: translate(60px, -8px) scale(0.88); }
}

/* ── Container queries ──────────────────────────────────────── */
@container (max-width: 860px) {
  .summary-metrics,
  .result-grid {
    grid-template-columns: 1fr 1fr;
  }

  .state-card--empty,
  .state-card--loading,
  .panel-heading-inline,
  .result-topbar,
  .hero-top,
  .search-assists {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .search-card--minimal {
    width: calc(100vw - 24px);
  }

  .result-toolbar,
  .group-head,
  .part-header {
    flex-direction: column;
    align-items: stretch;
  }

  .part-header {
    grid-template-columns: 1fr;
  }

  .part-original,
  .part-rules,
  .part-source {
    padding-left: 0;
  }
}

/* ── Media queries ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-top,
  .search-assists,
  .result-grid,
  .summary-metrics,
  .state-card--empty,
  .state-card--loading {
    grid-template-columns: 1fr;
  }

  .result-topbar,
  .panel-heading-inline {
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .page-shell { width: min(100% - 20px, 1240px); }

  .minimal-shell {
    padding-top: 20px;
    padding-bottom: 28px;
  }

  .search-card,
  .result-card,
  .result-panel,
  .state-card {
    padding: 16px;
  }

  .search-form { grid-template-columns: 1fr; }

  .primary-button,
  .secondary-button,
  .ghost-button,
  .search-field input,
  .filter-field input {
    width: 100%;
  }

  .search-card h1 {
    max-width: none;
    font-size: clamp(2rem, 10vw, 3.4rem);
  }

  .filter-field { min-width: 0; width: 100%; }

  .summary-metrics { grid-template-columns: 1fr 1fr; }

  .part-header {
    grid-template-columns: 1fr;
  }

  .part-original,
  .part-rules,
  .part-source {
    padding-left: 0;
  }

  .part-service { flex-direction: column; align-items: flex-start; }
}