/* ─── RECLab CUSTOMIZER · TECH-PACK AESTHETIC ─────────────────────────── */

:root{
  --ink:#0E0E0C;
  --paper:#F5F4F0;
  --line:#1F1F1D;
  --muted:#6F6F6A;
  --rule:rgba(14,14,12,0.12);
  --hot:#D8331E;
  --canvas-bg:#EDEAE2;
  --mono:'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans:'Inter', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

body { display: grid; grid-template-rows: auto 1fr auto; }

/* HEADER */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 22px;
  border-bottom: 1px solid var(--rule);
}
.brand {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.brand .dot { color: var(--hot); }
.meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 16px;
}
.reset-btn {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink);
  padding: 6px 10px;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}
.reset-btn:hover {
  background: var(--ink);
  color: var(--paper, #fff);
}
.reset-btn:active { transform: translateY(1px); }

/* WRAPPER */
.customizer-wrapper {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(360px, 440px);
  min-height: 0;
}
@media (max-width: 1280px) {
  .customizer-wrapper { grid-template-columns: minmax(0, 1.2fr) minmax(340px, 400px); }
}
@media (max-width: 768px) {
  .customizer-wrapper { grid-template-columns: 1fr; }
}

/* CANVAS */
.canvas-container {
  position: relative;
  background: var(--canvas-bg);
  border-right: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  min-height: 520px;
  overflow: hidden;
}
canvas#hat-canvas {
  width: 100%;
  max-width: 960px;
  height: auto;
  display: block;
  /* New cropped PNGs already fill their frame tightly; no extra scale needed. */
}
.canvas-hint {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  pointer-events: none;
}

/* SIDEBAR */
.sidebar {
  overflow-y: auto;
  padding: 22px 22px 60px;
  display: flex;
  flex-direction: column;
}

.controls-panel {
  display: flex;
  flex-direction: column;
}

/* LAYER ROW */
.layer-row {
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
}
.layer-row:first-child { padding-top: 6px; }

.layer-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
}
.section-num {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
}
.layer-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 500;
}
.layer-val {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-transform: capitalize;
}

/* SWATCHES */
.swatch-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 6px;
}
.swatch {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--rule);
  border-radius: 2px;
  cursor: pointer;
  background-color: transparent;
  padding: 0;
  transition: transform 0.08s ease, border-color 0.08s ease, box-shadow 0.08s ease;
  outline: none;
  position: relative;
}
.swatch:hover {
  transform: translateY(-1px);
  border-color: var(--ink);
}
.swatch:focus-visible {
  border-color: var(--ink);
  box-shadow: 0 0 0 2px var(--paper), 0 0 0 3px var(--ink);
}
.swatch.active {
  border: 2px solid var(--ink);
  box-shadow: inset 0 0 0 2px var(--paper);
}

/* SUMMARY */
.summary {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
}
.summary-head {
  margin-bottom: 10px;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}
.summary-row .k {
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 9.5px;
}
.summary-row .v {
  color: var(--ink);
  text-transform: capitalize;
}
.summary-row--meta .v {
  text-transform: none;
  font-family: var(--mono);
}
.summary-row--meta + .summary-row:not(.summary-row--meta) {
  border-top: 1px solid var(--rule);
  margin-top: 6px;
  padding-top: 10px;
}

/* CTA */
.cta {
  display: block;
  width: 100%;
  margin-top: 14px;
  padding: 14px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: background 0.08s ease;
}
.cta:hover { background: var(--hot); }

/* FOOTER */
.footer {
  padding: 12px 22px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
}

/* ─── SHARED PICKER (used at all breakpoints) ─────────────────────────── */
/* Desktop default styling for the shared tabs + swatch grid. */
#mobile-picker { display: block; }
#customizer-controls { display: none; }   /* old per-layer rows are deprecated */

.mobile-picker {
  margin-bottom: 4px;
}
.mobile-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin-bottom: 22px;
}
.mobile-tab {
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 10px 4px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--rule);
  border-radius: 2px;
  cursor: pointer;
  text-align: center;
  line-height: 1.2;
  transition: all 0.12s ease;
  min-width: 0;
}
.mobile-tab:hover { border-color: var(--ink); color: var(--ink); }
.mobile-tab .tab-num { display: block; font-size: 9px; opacity: 0.55; }
.mobile-tab .tab-label { display: block; font-size: 9.5px; margin-top: 3px; font-weight: 500; }
.mobile-tab .tab-val { display: block; font-size: 9px; color: var(--ink); margin-top: 4px; text-transform: capitalize; letter-spacing: 0.02em; }
.mobile-tab.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.mobile-tab.active .tab-num { opacity: 0.7; }
.mobile-tab.active .tab-val { color: var(--paper); }

.mobile-swatches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}
.mobile-swatches .swatch { aspect-ratio: 1/1; border-radius: 2px; }

/* ─── MATERIAL PICKER ─────────────────────────────────────────────── */
.material-picker-wrap {
  margin-bottom: 28px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--rule);
}
.material-picker { display: block; }
.material-select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--ink);
  background-color: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 12px 36px 12px 12px;
  cursor: pointer;
  line-height: 1.2;
  transition: border-color 0.12s ease;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' fill='none' stroke='%23111' stroke-width='1.25' stroke-linecap='square'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 10px 6px;
}
.material-select:hover { border-color: var(--ink); }
.material-select:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 1px var(--ink);
}
.material-select option {
  font-family: var(--mono);
  color: var(--ink);
  background: var(--paper);
  padding: 8px 12px;
}

/* Picker header (shown on desktop above tabs) */
.picker-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}
.picker-head .picker-title {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  font-weight: 500;
}
.picker-head .picker-sub {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ─── TABLET (≤1024px): tighter swatch grid ─── */
@media (max-width: 1024px) and (min-width: 769px) {
  .canvas-container { padding: 8px 16px; min-height: 460px; }
  canvas#hat-canvas { max-width: 760px; }
  .mobile-swatches { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .mobile-tabs { gap: 4px; }
  .mobile-tab { padding: 8px 2px; }
  .mobile-tab .tab-label { font-size: 9px; }
  .mobile-tab .tab-val { font-size: 8.5px; }
}

/* ─── MOBILE ────────────────────────────────────────────────────────────
   Layout strategy:
   - Release the body grid so the entire page scrolls naturally.
   - Topbar is sticky at the very top.
   - Canvas is sticky directly under the topbar so the cap stays in view
     as the user scrolls through color options.
   - Sidebar (options + summary) scrolls under the pinned canvas. */
@media (max-width: 768px) {
  /* IMPORTANT for position:sticky to work:
     - No `overflow` on html or any sticky ancestor (other than visible)
     - Sticky element's parent must be a normal block / not a flex item with stretch */
  html, body { height: auto; min-height: 100%; overflow: visible; }
  body { display: block; }
  .customizer-wrapper { display: block; grid-template-columns: 1fr; min-height: 0; }

  /* Compact topbar so it stays one line and gives a known sticky offset. */
  .topbar {
    position: sticky; top: 0; z-index: 30;
    background: var(--paper);
    padding: 10px 14px;
    gap: 10px;
    flex-wrap: nowrap;
  }
  .brand { font-size: 11px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .meta { gap: 10px; }
  .meta-text { display: none; }
  .reset-btn { padding: 5px 8px; font-size: 9px; white-space: nowrap; }

  .canvas-container {
    position: sticky;
    top: 44px;
    z-index: 20;
    background: var(--canvas-bg);
    border-right: none;
    border-bottom: 1px solid var(--rule);
    padding: 0;                              /* let the cap fill the box */
    min-height: 0;
    height: 32vh;                            /* tighter pinned preview (4:3 PNG) */
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
  }
  /* Scale the cap up so it fills the vertical negative space. The PNGs include
     transparent margin, so we apply a transform scale to push the cap visually
     larger without changing the canvas's intrinsic 1:1 aspect ratio. */
  canvas#hat-canvas {
    width: auto;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    transform: none;                         /* new PNGs are already tight */
  }
  .canvas-hint { display: none; }

  .sidebar { padding: 14px 14px 80px; overflow: visible; }
  /* Hide the picker-head title on mobile, but keep the Start Over button visible */
  .picker-head {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 0 0 8px;
    border-bottom: 0;
  }
  .picker-head .picker-title { display: none; }

  .mobile-tabs {
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
    margin-bottom: 14px;
  }
  .mobile-tab {
    padding: 7px 2px;
    letter-spacing: 0.06em;
  }
  .mobile-tab .tab-num { font-size: 7.5px; }
  .mobile-tab .tab-label { font-size: 8px; margin-top: 2px; }
  .mobile-tab .tab-val { font-size: 8px; margin-top: 3px; }

  .mobile-swatches {
    grid-template-columns: repeat(6, 1fr);
    gap: 7px;
    margin-bottom: 18px;
  }

  /* Compact summary on mobile so Current Build stays close to picker */
  .summary { margin-top: 0; padding-top: 12px; }
  .summary-row { padding: 4px 0; font-size: 10px; }
  .cta { padding: 12px; font-size: 10px; }
  .footer { display: none; }                /* save space; brand already in topbar */
}