:root{
  --bg: #fbf6ee;
  --ink:#1f1a15;
  --muted:#6b5f55;
  --card:#fffaf2;
  --line:#e7dccf;
  --shadow: 0 12px 28px rgba(31,26,21,.10);
  --accent:#c65a2e;
  --accent2:#1e6f5c;
  --chip:#f3e7d8;
  --focus: 0 0 0 3px rgba(198,90,46,.22);
  --radius: 18px;
  --radius2: 24px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

*{ box-sizing:border-box; }

body{
  margin:0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1100px 700px at 10% -10%, #ffe8cf 0%, transparent 60%),
    radial-gradient(900px 650px at 105% 0%, #d6f0ea 0%, transparent 55%),
    var(--bg);
}

header{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(251,246,238,.78);
  border-bottom:1px solid var(--line);
}

.wrap{ max-width:1200px; margin:0 auto; padding: 16px 16px; }

.brand{
  display:flex; align-items:center; gap:12px;
  justify-content:space-between;
}
.brand-left{ display:flex; align-items:center; gap:12px; }
.mark{
  width:42px; height:42px; border-radius: 14px;
  background: linear-gradient(145deg, rgba(198,90,46,.95), rgba(30,111,92,.9));
  box-shadow: 0 10px 22px rgba(31,26,21,.12);
  position:relative;
}
.mark:after{
  content:"";
  position:absolute; inset:9px;
  border-radius: 12px;
  background: rgba(251,246,238,.65);
  transform: rotate(10deg);
}
h1{ font-size: 16px; letter-spacing:.2px; margin:0; }
.sub{ margin:0; font-size: 12px; color: var(--muted); }

.topnav{ display:flex; gap:10px; align-items:center; }
.navlink{
  font-size:12px;
  text-decoration:none;
  color: var(--ink);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.6);
}
.navlink:hover{ box-shadow: 0 10px 20px rgba(31,26,21,.10); transform: translateY(-1px); }

.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.card-head{
  padding: 14px 16px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap: 12px;
}
.card-head h2{ margin:0; font-size: 14px; letter-spacing:.2px; }
.card-head .hint{ font-size: 12px; color: var(--muted); }
.card-body{ padding: 14px 16px 16px; }

.grid{ display:grid; gap: 12px; }
label{
  font-size: 12px;
  color: var(--muted);
  display:block;
  margin-bottom: 6px;
}

select, input[type="text"], input[type="number"], input[type="range"]{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  outline: none;
}
input[type="range"]{ padding: 10px 10px; height: 42px; }
select:focus, input:focus{ box-shadow: var(--focus); border-color: rgba(198,90,46,.55); }

.row2{ display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row3{ display:grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
@media (max-width: 560px){
  .row2, .row3{ grid-template-columns: 1fr; }
}

.uploader{
  border: 1px dashed rgba(31,26,21,.25);
  background: rgba(255,255,255,.6);
  border-radius: 16px;
  padding: 12px;
  display:flex;
  gap: 10px;
  align-items:center;
  justify-content:space-between;
}
.uploader .meta{
  display:flex; flex-direction:column; gap:3px;
  min-width:0;
}
.uploader .meta b{
  font-size: 13px;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.uploader .meta span{
  font-size: 12px; color: var(--muted);
}

.btn{
  appearance:none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 10px 12px;
  font-weight: 600;
  cursor:pointer;
  transition: transform .05s ease, box-shadow .2s ease;
  user-select:none;
  white-space:nowrap;
}
.btn:hover{ transform: translateY(-1px); box-shadow: 0 10px 20px rgba(31,26,21,.10); }
.btn:active{ transform: translateY(0px); box-shadow:none; }
.btn.primary{
  border-color: rgba(198,90,46,.4);
  background: linear-gradient(135deg, rgba(198,90,46,.95), rgba(198,90,46,.78));
  color: #fff;
}
.btn.ghost{ background: transparent; }
.btn.danger{
  border-color: rgba(198,90,46,.25);
  background: rgba(198,90,46,.08);
  color: #6d2d17;
}

.divider{ height:1px; background: var(--line); margin: 12px 0; }

.note{
  background: rgba(30,111,92,.08);
  border: 1px solid rgba(30,111,92,.18);
  padding: 10px 12px;
  border-radius: 16px;
  color: #164b3f;
  font-size: 12px;
  line-height: 1.35;
}
.warn{
  background: rgba(198,90,46,.08);
  border: 1px solid rgba(198,90,46,.18);
  color: #6d2d17;
}

.small{ font-size: 12px; color: var(--muted); }
.mono{ font-family: var(--mono); }
.sr{ position:absolute; left:-9999px; }

.preview{ display:grid; gap: 14px; }
.stage{ padding: 16px; }
.stage-top{
  display:flex; align-items:center; justify-content:space-between; gap: 12px;
  margin-bottom: 10px;
}
.stage-top .title{ display:flex; flex-direction:column; gap: 2px; }
.stage-top .title b{ font-size: 14px; }
.stage-top .title span{ font-size: 12px; color: var(--muted); }

.canvas-shell{
  border-radius: 26px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255,255,255,.75), rgba(255,255,255,.25));
  padding: 14px;
}
.canvas-inner{
  display:grid;
  place-items:center;
  background: rgba(31,26,21,.04);
  border-radius: 20px;
  padding: 18px;
  overflow:hidden;
}
canvas{
  width:min(520px, 92vw);
  height:auto;
  display:block;
  border-radius: 18px;
  box-shadow: 0 16px 28px rgba(31,26,21,.14);
  background: #fff;
}

.stage-actions{
  display:flex;
  flex-wrap:wrap;
  gap: 10px;
  align-items:center;
  justify-content:space-between;
  margin-top: 12px;
}
.stage-actions .left{
  display:flex; flex-wrap:wrap; gap: 10px;
  align-items:center;
}

/* --------- TOP + GRID LAYOUT --------- */
.top-stack{ display:grid; gap: 14px; }
.main-grid{
  display:grid;
  grid-template-columns: 440px 1fr;
  gap: 18px;
  align-items:start;
}
@media (max-width: 980px){
  .main-grid{ grid-template-columns: 1fr; }
}

/* --------- HERO --------- */
.hero{ padding: 0; }
.hero-inner{
  padding: 16px;
  display:flex;
  gap:14px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
}
.kicker{ font-size:12px; color:var(--muted); letter-spacing:.2px; }
.hero-title{ margin:6px 0 6px; font-size:20px; }
.hero-sub{ margin:0; color:var(--muted); max-width: 62ch; }
.hero-badges{ display:flex; gap:8px; flex-wrap:wrap; }
.badge{
  font-size:12px;
  padding:8px 10px;
  border-radius:999px;
  background: rgba(255,255,255,.65);
  border: 1px solid var(--line);
}

.minihelp{
  font-size: 11px;
  color: var(--muted);
  line-height: 1.3;
  margin-top: 8px;
}

.mini-section{ padding: 0 16px 16px; display:grid; gap:10px; }

/* --------- GALLERY (FINISHED PHOTOS) --------- */
.gallery{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
@media (max-width: 980px){
  .gallery{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px){
  .gallery{ grid-template-columns: 1fr; }
}
.gallery a{ display:block; }
.gallery img{
  width:100%;
  height: 150px;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid var(--line);
  background:#fff;
  box-shadow: 0 10px 22px rgba(31,26,21,.08);
  transition: transform .05s ease, box-shadow .2s ease;
}
.gallery img:hover{
  transform: translateY(-1px);
  box-shadow: 0 14px 26px rgba(31,26,21,.12);
}

/* --------- MATERIAL PHOTO CARDS --------- */
.mat-grid{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
@media (max-width: 560px){
  .mat-grid{ grid-template-columns: 1fr; }
}
.mat-card{
  border:1px solid var(--line);
  border-radius: 18px;
  overflow:hidden;
  background: rgba(255,255,255,.65);
  cursor:pointer;
  display:grid;
  grid-template-columns: 74px 1fr;
  gap: 10px;
  align-items:center;
  padding: 10px;
  transition: transform .05s ease, box-shadow .2s ease, outline-color .2s ease, border-color .2s ease;
}
.mat-card:hover{
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(31,26,21,.10);
}
.mat-card.selected{
  outline: 3px solid rgba(198,90,46,.22);
  border-color: rgba(198,90,46,.45);
}
.mat-photo{
  width:74px; height:74px;
  border-radius: 14px;
  border:1px solid var(--line);
  background:#fff;
  overflow:hidden;
}
.mat-photo img{ width:100%; height:100%; object-fit:cover; display:block; }
.mat-meta b{ display:block; font-size:13px; }
.mat-meta span{ display:block; font-size:12px; color:var(--muted); }

/* --------- EXAMPLES --------- */
.examples{ margin-top: 10px; display:grid; gap: 10px; }
.examples-title{
  display:flex; align-items:baseline; justify-content:space-between; gap:10px;
}
.thumbs{ display:flex; flex-wrap:wrap; gap: 12px; }
.thumb{
  width: 92px; height: 92px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #fff;
  display:grid; place-items:center;
  cursor:pointer;
  overflow:hidden;
  transition: transform .05s ease, box-shadow .2s ease;
}
.thumb img{
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  padding: 10px;
  filter: grayscale(1) contrast(1.2);
}
.thumb:hover{ box-shadow: 0 10px 20px rgba(31,26,21,.12); transform: translateY(-1px); }

/* --------- TEXTURE LIST (DETAILS) --------- */
.texture-list{ display:grid; gap: 10px; }
.tex-row{
  display:grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items:center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.55);
}
.tex-left{
  display:flex;
  gap: 10px;
  align-items:center;
  min-width:0;
}
.tex-thumb{
  width: 44px; height: 44px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  overflow:hidden;
  flex: 0 0 auto;
}
.tex-thumb img{ width:100%; height:100%; object-fit: cover; display:block; }
.tex-meta{ display:flex; flex-direction:column; gap: 2px; min-width:0; }
.tex-meta b{ font-size: 13px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.tex-meta span{ font-size: 12px; color: var(--muted); }

details summary{
  cursor:pointer;
  user-select:none;
  list-style:none;
  font-size: 12px;
  color: var(--muted);
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.45);
  border-radius: 16px;
}
details summary::-webkit-details-marker{ display:none; }
details[open] summary{ box-shadow: var(--focus); border-color: rgba(198,90,46,.35); }