:root {
  /* Cinza neutro estilo painel de editor (Photoshop/Resolve) — não tinge a percepção das cores. */
  --color-bg: #1a1a1a;
  --color-bg-subtle: #2d2d2d;
  --color-surface: #232323;
  --color-surface-alt: #2a2a2a;
  --color-border: #333333;
  --color-border-strong: #4a4a4a;
  --color-text: #e6e6e6;
  --color-text-soft: #b0b0b0;
  --color-text-muted: #7a7a7a;
  --color-primary: #818cf8;
  --color-primary-hover: #a5b4fc;
  --color-primary-soft: #2a2840;
  --color-primary-text: #c7d2fe;
  --color-success: #34d399;
  --color-warning: #fbbf24;
  --color-danger: #f87171;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.3), 0 1px 3px rgba(0,0,0,.2);
  --shadow-md: 0 4px 10px -2px rgba(0,0,0,.35), 0 2px 6px -2px rgba(0,0,0,.22);

  --font-sans: "Inter","SF Pro Text",system-ui,-apple-system,"Segoe UI",sans-serif;

  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px;
}

[data-theme="light"] {
  --color-bg: #f4f6fb;
  --color-bg-subtle: #eef1f8;
  --color-surface: #ffffff;
  --color-surface-alt: #fafbfd;
  --color-border: #e4e7ef;
  --color-border-strong: #c9cfdd;
  --color-text: #141a2b;
  --color-text-soft: #4c5775;
  --color-text-muted: #8591ad;
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-primary-soft: #eef2ff;
  --color-primary-text: #3730a3;
  --shadow-sm: 0 1px 2px rgba(18,28,56,.04), 0 1px 3px rgba(18,28,56,.05);
  --shadow-md: 0 4px 10px -2px rgba(18,28,56,.06), 0 2px 6px -2px rgba(18,28,56,.04);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.35rem; margin: 0; font-weight: 600; letter-spacing: -.015em; }
h2 { font-size: 1.1rem; margin: 0 0 var(--space-3); font-weight: 600; }

.muted { color: var(--color-text-muted); }
.small { font-size: .85em; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ===== Topbar ===== */
.topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-3) var(--space-6);
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: saturate(180%) blur(8px);
}
.topbar-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-6);
}
.brand {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-weight: 700; color: var(--color-text); font-size: 1.05rem;
}
.brand:hover { text-decoration: none; }
.brand-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  display: inline-flex; align-items: center; justify-content: center;
  color: white;
}
.brand-icon svg { width: 18px; height: 18px; }
nav.primary {
  display: inline-flex; align-items: center; gap: var(--space-1);
}
nav.primary a {
  color: var(--color-text-soft); padding: 6px 12px; border-radius: var(--radius-md);
  font-weight: 500;
}
nav.primary a:hover { background: var(--color-bg-subtle); text-decoration: none; color: var(--color-text); }
nav.primary a.active { background: var(--color-primary-soft); color: var(--color-primary-text); }

.theme-toggle {
  background: transparent; border: 1px solid var(--color-border);
  color: var(--color-text-soft);
  width: 34px; height: 34px; border-radius: var(--radius-md);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; padding: 0;
}
.theme-toggle:hover { color: var(--color-text); border-color: var(--color-border-strong); }
.theme-toggle svg { width: 16px; height: 16px; }
.lang-select {
  background: transparent; border: 1px solid var(--color-border);
  color: var(--color-text-soft); height: 34px; border-radius: var(--radius-md);
  padding: 0 8px; cursor: pointer; font: inherit; font-size: .82rem;
  font-weight: 600; letter-spacing: .04em;
}
.lang-select:hover { color: var(--color-text); border-color: var(--color-border-strong); }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* ===== Page layout ===== */
main { max-width: 1200px; margin: 0 auto; padding: var(--space-6); }
.page { display: flex; flex-direction: column; gap: var(--space-5); }
.page-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--space-4); flex-wrap: wrap;
}
.section-title { margin-top: var(--space-4); }

/* ===== Buttons ===== */
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 8px 14px; border-radius: var(--radius-md);
  font-weight: 500; font-size: .92rem; cursor: pointer; border: 1px solid transparent;
  text-decoration: none; line-height: 1; white-space: nowrap;
}
.btn-primary { background: var(--color-primary); color: white; }
.btn-primary:hover { background: var(--color-primary-hover); text-decoration: none; }
.btn-ghost {
  background: transparent; color: var(--color-text-soft);
  border-color: var(--color-border);
}
.btn-ghost:hover { color: var(--color-text); border-color: var(--color-border-strong); text-decoration: none; }
.btn-primary.small, .btn-ghost.small { padding: 5px 10px; font-size: .85rem; }

/* ===== Forms ===== */
input[type="text"], input[type="number"] {
  font-family: inherit; font-size: .92rem;
  padding: 7px 10px; border-radius: var(--radius-md);
  background: var(--color-surface); color: var(--color-text);
  border: 1px solid var(--color-border);
  outline: none;
}
input[type="text"]:focus, input[type="number"]:focus {
  border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-soft);
}
.search { display: inline-flex; gap: var(--space-2); }
.search input { width: 260px; }
.inline-form { display: inline-flex; gap: var(--space-2); align-items: center; flex-wrap: wrap; }
.inline-form input { width: 110px; }

/* ===== Cards ===== */
.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-5);
}

/* ===== Swatch grid (cores) ===== */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
  gap: var(--space-3);
}
.swatch {
  display: flex; flex-direction: column; align-items: stretch; gap: 4px;
  color: var(--color-text-soft); padding: 6px; border-radius: var(--radius-md);
}
.swatch:hover { background: var(--color-bg-subtle); color: var(--color-text); text-decoration: none; }
button.swatch-pickable {
  font: inherit; cursor: pointer; border: 1px solid transparent;
  background: transparent; text-align: left;
}
button.swatch-pickable:hover { border-color: var(--color-border); }
button.swatch-pickable.is-on {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
}
button.swatch-pickable.is-on .swatch-code { color: var(--color-primary-text); font-weight: 600; }
.swatch-img-wrap {
  display: block; width: 100%; aspect-ratio: 1 / 1;
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden; box-shadow: var(--shadow-sm);
  position: relative;
}
.swatch-img {
  width: 100%; height: 100%; object-fit: contain; display: block;
}
.swatch-img.img-missing { display: none; }
.swatch-img-wrap:has(.img-missing)::after {
  content: "sem foto"; position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: #999; font-size: .68rem; background: repeating-linear-gradient(45deg, #f3f3f3 0 6px, #fff 6px 12px);
}
.swatch-bar {
  display: flex; align-items: center; justify-content: center;
  height: 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-weight: 700; font-size: .7rem; color: rgba(0,0,0,.55);
}
.swatch-broken {
  background: repeating-linear-gradient(45deg, #555 0 6px, #888 6px 12px);
  color: white;
}
.swatch-code {
  font-size: .82rem; font-weight: 500; font-variant-numeric: tabular-nums;
  text-align: center;
}

/* ===== Detail compare pair ===== */
.compare-pair {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4);
}
.compare-pair-cell {
  margin: 0; display: flex; flex-direction: column; gap: var(--space-2);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-4);
}
.compare-pair-cell figcaption {
  text-align: center; color: var(--color-text-muted); font-size: .85rem;
}
.compare-pair-img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: contain;
  background: #fff; border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.compare-pair-img.img-missing { display: none; }
.compare-pair-chip {
  width: 100%; aspect-ratio: 1 / 1; border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 2rem; color: rgba(0,0,0,.55);
  transition: background .15s;
}

/* ===== Color picker on image ===== */
.picker-img-wrap { position: relative; cursor: crosshair; user-select: none; }
.picker-img-wrap .compare-pair-img { cursor: crosshair; }
.picker-marker {
  position: absolute; width: 14px; height: 14px;
  border: 2px solid #fff; border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(0,0,0,.6), 0 1px 3px rgba(0,0,0,.4);
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.picker-form {
  display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center;
}
.picker-form input[type="color"] {
  width: 44px; height: 38px; padding: 2px;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface); cursor: pointer;
}
.picker-form input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.picker-form input[type="color"]::-webkit-color-swatch { border: none; border-radius: 4px; }
.picker-form input[type="text"] {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .95rem; width: 130px;
}
.auto-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  cursor: pointer; font-size: .85rem; color: var(--color-text-soft);
  user-select: none;
  padding: 6px 10px; border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface-alt);
}
.auto-toggle:has(input:checked) {
  border-color: var(--color-primary); background: var(--color-primary-soft);
  color: var(--color-primary-text);
}
.auto-toggle input { margin: 0; }
@media (max-width: 480px) {
  .compare-pair { grid-template-columns: 1fr; }
}

/* ===== Tables ===== */
.table-wrap {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); overflow: hidden;
}
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
  padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--color-border);
}
.data-table thead th {
  background: var(--color-surface-alt); color: var(--color-text-soft);
  font-weight: 500; font-size: .82rem; text-transform: uppercase;
  letter-spacing: .04em;
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--color-surface-alt); }
.data-table tbody tr.kit-disabled { opacity: .55; }
.data-table tbody tr.kit-disabled .kit-name { font-style: italic; }
.kit-name { font-weight: 500; }

/* ===== Kit picker (compare) ===== */
.kit-picker {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-4);
}
.kit-picker-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-2);
}
.kit-pick {
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 12px; border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  cursor: pointer; position: relative;
}
.kit-pick:hover { border-color: var(--color-border-strong); }
.kit-pick.is-on,
.kit-pick:has(input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}
.kit-pick input { position: absolute; opacity: 0; pointer-events: none; }
.kit-pick-name { font-weight: 500; font-size: .9rem; }
.kit-pick-meta { font-size: .8rem; color: var(--color-text-muted); }
.kit-pick-sides { display: flex; gap: 4px; margin-top: 6px; }
.kit-pick-side {
  flex: 1; padding: 4px 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  text-align: center; cursor: pointer;
  font-size: .78rem; font-weight: 700;
  color: var(--color-text-muted);
  user-select: none;
  letter-spacing: .04em;
}
.kit-pick-side:hover { color: var(--color-text); border-color: var(--color-border-strong); }
.kit-pick-side.is-on,
.kit-pick-side:has(input:checked) {
  color: white; border-color: transparent;
}
.kit-pick-side.k-a.is-on,
.kit-pick-side.k-a:has(input:checked) { background: #4f46e5; }
.kit-pick-side.k-b.is-on,
.kit-pick-side.k-b:has(input:checked) { background: #ec4899; }
.kit-picker-actions { display: flex; gap: var(--space-2); align-items: center; flex-wrap: wrap; }

/* ===== Compare summary ===== */
.compare-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-3);
}
.stat {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: var(--space-4);
}
button.stat {
  font: inherit; color: inherit; text-align: left; cursor: pointer;
  width: 100%;
}
button.stat:hover { border-color: var(--color-border-strong); }
button.stat.is-active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-soft);
}
button.stat.is-active .stat-label { color: var(--color-primary-text); }
.stat-label { font-size: .78rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: .04em; }
.stat-value { font-size: 1.6rem; font-weight: 600; margin-top: 2px; }

/* ===== Compare grid ===== */
.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--space-2);
}
.cmp-cell {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 6px 4px; border-radius: var(--radius-md);
  border: 1px solid transparent;
  color: var(--color-text-soft);
}
.cmp-cell:hover { background: var(--color-bg-subtle); color: var(--color-text); text-decoration: none; }
.cmp-cell.is-all { border-color: var(--color-success); }
.cmp-cell.is-unique { border-color: var(--color-warning); }
.cmp-chip {
  width: 48px; height: 48px; border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: rgba(0,0,0,.55);
}
.cmp-code { font-size: .78rem; font-weight: 500; font-variant-numeric: tabular-nums; }
.cmp-flags {
  display: inline-flex; gap: 2px; flex-wrap: wrap; justify-content: center;
  max-width: 100%;
}
.cmp-flag {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 14px; height: 14px; padding: 0 3px; gap: 1px;
  border-radius: 3px; font-size: .62rem; font-weight: 700;
  background: transparent; border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}
.cmp-flag small { font-size: .9em; font-weight: 700; line-height: 1; }
.cmp-flag.is-on { color: white; border-color: transparent; }
.cmp-flag.k-1.is-on { background: #4f46e5; }
.cmp-flag.k-2.is-on { background: #ec4899; }
.cmp-flag.k-3.is-on { background: #10b981; }
.cmp-flag.k-4.is-on { background: #f59e0b; }
.cmp-flag.k-5.is-on { background: #06b6d4; }
.cmp-flag.k-6.is-on { background: #8b5cf6; }
.cmp-flag.k-7.is-on { background: #ef4444; }
.cmp-flag.k-8.is-on { background: #14b8a6; }

.cmp-legend {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.cmp-legend-item { display: inline-flex; align-items: center; gap: var(--space-2); }
.cmp-legend-name { font-size: .85rem; color: var(--color-text-soft); }

/* ===== Filter chips ===== */
.filter-chips {
  display: flex; flex-wrap: wrap; gap: 6px;
}
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px; border-radius: var(--radius-pill);
  background: var(--color-surface); border: 1px solid var(--color-border);
  color: var(--color-text-soft); font-size: .82rem; font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.chip:hover { color: var(--color-text); border-color: var(--color-border-strong); text-decoration: none; }
.chip.is-on {
  background: var(--color-primary-soft); color: var(--color-primary-text);
  border-color: var(--color-primary);
}
.chip-warn.is-on {
  background: rgba(251, 191, 36, .12); color: var(--color-warning);
  border-color: var(--color-warning);
}
.chip-badge {
  background: var(--color-bg-subtle); color: var(--color-text-soft);
  padding: 1px 6px; border-radius: var(--radius-pill); font-size: .72rem;
}
.chip.is-on .chip-badge { background: rgba(255,255,255,.15); color: inherit; }
.chip-form { display: inline-flex; margin: 0; padding: 0; }
button.chip.chip-action {
  font-family: inherit; cursor: pointer;
}
button.chip.chip-action:disabled { opacity: .6; cursor: wait; }

/* ===== Detail page ===== */
.detail-head {
  display: flex; align-items: center; gap: var(--space-4);
}
.detail-chip {
  width: 80px; height: 80px; border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); box-shadow: var(--shadow-sm);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.5rem; color: rgba(0,0,0,.55);
}

@media (max-width: 640px) {
  main { padding: var(--space-4); }
  .topbar { padding: var(--space-2) var(--space-3); }
  .topbar-inner { gap: var(--space-2); }
  nav.primary a { padding: 5px 8px; font-size: .9rem; }
  .search input { width: 100%; }
  .swatch-grid { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
}