:root {
  --bg: #f4f6fb;
  --text: #1b365d;
  --muted: #5c6b82;
  --line: #e2e8f2;
  --primary: #f46036;
  --ink: #c2410c;
  --glass: rgba(255, 255, 255, 0.72);
  --glass-strong: rgba(255, 255, 255, 0.9);
  --wood: #e7c39a;
  --wood-2: #d7ae78;
  --blob-0: #ffd0c2;
  --blob-1: #d9e2f2;
  --blob-2: #ffe7c2;
  --blob-3: #f7d0c4;
  --shadow: 0 18px 50px rgba(27, 54, 93, 0.08);
  --radius: 22px;
  color-scheme: light;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

html.is-dark {
  --bg: #12101a;
  --text: #f4f4f5;
  --muted: #c4c4cc;
  --line: rgba(255, 255, 255, 0.12);
  --primary: #f5c518;
  --ink: #f5c518;
  --glass: rgba(23, 17, 35, 0.72);
  --glass-strong: rgba(32, 24, 48, 0.9);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  color-scheme: dark;
}

html.is-dark .btn { color: #171123; }

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}
button, input, select { font: inherit; color: inherit; }
a { color: inherit; }

.blobs { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.blobs span {
  position: absolute; width: 42vw; height: 42vw; border-radius: 50%;
  filter: blur(40px); opacity: 0.85;
}
.blobs span:nth-child(1) { background: var(--blob-0); top: -8vw; left: -6vw; }
.blobs span:nth-child(2) { background: var(--blob-1); top: 10vw; right: -8vw; }
.blobs span:nth-child(3) { background: var(--blob-2); bottom: -10vw; left: 20vw; }
.blobs span:nth-child(4) { background: var(--blob-3); bottom: 8vw; right: 10vw; width: 28vw; height: 28vw; }

.wrap { position: relative; z-index: 1; width: 70%; margin: 0 auto; }
.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 18px;
  width: 100%;
  margin: 10px auto; padding: 10px 14px;
  background: var(--glass); backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.7); border-radius: 999px;
  box-shadow: var(--shadow);
}
.logo { display: flex; align-items: center; text-decoration: none; }
.logo img { height: 32px; width: auto; display: block; }
html.is-dark .logo-on-light, html:not(.is-dark) .logo-on-dark { display: none; }
.top nav { display: flex; gap: 4px; flex: 1; }
.top nav a { text-decoration: none; padding: 6px 10px; border-radius: 999px; color: var(--muted); font-size: 0.92rem; }
.top nav a.is-on, .top nav a:hover { background: var(--glass-strong); color: var(--text); }
.top-actions { display: flex; align-items: center; gap: 8px; }
.dots { display: flex; gap: 6px; padding: 4px; border-radius: 999px; background: var(--glass-strong); }
.dots button {
  width: 16px; height: 16px; border-radius: 50%; border: 2px solid #fff; background: var(--c); padding: 0; cursor: pointer;
}
.dots button.is-on { outline: 2px solid var(--text); }
.icon-btn, .btn, .btn-ghost {
  border: 0; border-radius: 999px; cursor: pointer; text-decoration: none;
}
.icon-btn { width: 36px; height: 36px; background: var(--glass-strong); }
.btn { background: var(--primary); color: #fff; padding: 8px 14px; font-weight: 650; }
.btn-ghost { background: #fff; color: var(--text); padding: 8px 14px; border: 1px solid var(--line); }
html.is-dark .btn-ghost { background: transparent; }

.hero { display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 16px; margin: 22px 0; }
.card, .panel {
  background: var(--glass); border: 1px solid rgba(255,255,255,0.75);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px;
}
.kicker { color: var(--primary); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
h1 { font-size: clamp(2.4rem, 5vw, 4.4rem); line-height: 0.95; letter-spacing: -0.045em; margin: 8px 0; }
h1 em { font-style: normal; color: var(--primary); }
.lede { color: var(--muted); max-width: 46ch; }
.hero-actions { display: flex; gap: 10px; margin-top: 18px; }
.steps { display: grid; gap: 14px; }
.steps article { display: grid; grid-template-columns: 28px 1fr; gap: 10px; }
.steps strong { display: block; }
.steps p { margin: 2px 0 0; color: var(--muted); }

.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 8px 0 14px; }
.chip {
  border: 0; background: var(--glass-strong); border-radius: 999px; padding: 8px 12px; cursor: pointer;
}
.chip.is-on { background: var(--text); color: var(--bg); }
.search { margin-left: auto; border: 0; background: var(--glass-strong); border-radius: 999px; padding: 8px 12px; min-width: 180px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.tool {
  display: flex; flex-direction: column; gap: 8px; text-decoration: none; min-height: 220px;
  background: var(--glass-strong); border-radius: 18px; padding: 14px; border: 1px solid rgba(255,255,255,0.7);
}
.tool.wide { grid-column: span 2; min-height: 280px; }
.tool .art { position: relative; flex: 1; border-radius: 14px; background:
  linear-gradient(var(--line) 1px, transparent 1px),
  linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 18px 18px; background-color: rgba(255,255,255,0.35);
  display: grid; place-items: center; min-height: 110px;
}
.tool h3 { margin: 0; font-size: 1.05rem; }
.tool p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.mini-icons { display: flex; gap: 6px; color: var(--muted); font-size: 0.75rem; }
.banner {
  margin: 18px 0 28px; padding: 18px 20px; border-radius: 18px;
  background: var(--primary); color: white; display: flex; justify-content: space-between; gap: 16px; align-items: center;
}
.banner a, .banner button { background: #fff; color: var(--text); }
.plan-card { margin: 0 0 14px; padding: 6px 12px; }
.plan-card.is-open { padding: 12px 14px 14px; }
.plan-line { display: flex; align-items: center; gap: 12px; min-height: 36px; }
.plan-toggle {
  display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0;
  border: 0; background: transparent; padding: 4px 2px; cursor: pointer; text-align: left;
}
.plan-chevron { flex: none; width: 0.9em; color: var(--muted); font-size: 0.85rem; }
.plan-chevron::before { content: "▸"; }
.plan-card.is-open .plan-chevron::before { content: "▾"; }
.plan-toggle:hover .plan-title { color: var(--primary); }
.plan-title { font-weight: 700; white-space: nowrap; }
.plan-brief { color: var(--muted); font-size: 0.88rem; font-weight: 500; white-space: nowrap; flex: none; }
.plan-flash { margin: 0 4px 4px 1.6rem; }
.plan-body { margin-top: 8px; }
.plan-body .lede { margin: 0 0 8px; max-width: none; }
.plan-tools { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.plan-tools button, .qty button { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 6px 10px; cursor: pointer; }
html.is-dark .plan-tools button, html.is-dark .qty button { background: #2a211c; color: var(--text); }
.card-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.card-actions .btn, .card-actions .btn-ghost { padding: 6px 12px; }
.export-card { grid-column: span 2; background: #2a211c; color: #f6efe8; }
.export-card p { color: #e6d5c8; }
.machines { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.machines span { background: rgba(255,255,255,0.08); border-radius: 12px; padding: 8px 10px; font-size: 0.82rem; }

.crumbs { color: var(--muted); font-size: 0.88rem; margin-top: 18px; }
.tool-head { display: flex; justify-content: space-between; gap: 16px; align-items: end; }
.tool-head h1 { font-size: clamp(2rem, 4vw, 3.2rem); margin: 4px 0; }
.stepper { display: flex; gap: 8px; background: var(--glass); padding: 6px; border-radius: 999px; }
.stepper button { border: 0; background: transparent; border-radius: 999px; padding: 6px 10px; cursor: pointer; }
.stepper button.is-on { background: #fff; }
html.is-dark .stepper button.is-on { background: #3a2a22; }

.studio { display: grid; grid-template-columns: minmax(240px, 300px) minmax(0, 1fr); gap: clamp(10px, 1.4vw, 18px); margin: 14px 0 28px; }
.controls { display: flex; flex-direction: column; gap: 12px; max-height: calc(100vh - 150px); overflow: auto; }
.field { display: grid; gap: 6px; }
.field.row { grid-template-columns: 1fr auto; align-items: center; }
.field label { font-size: 0.82rem; color: var(--muted); }
.field input[type="number"], .field input[type="text"], .field select {
  border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: 8px 10px; width: 100%;
}
html.is-dark .field input, html.is-dark .field select { background: #2a211c; }
.choice { display: flex; gap: 6px; }
.choice button { flex: 1; border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 8px 6px; cursor: pointer; font-size: 0.82rem; }
.choice button.is-on { background: var(--text); color: var(--bg); border-color: var(--text); }
html.is-dark .choice button { background: #2a211c; }
input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 22px;
  background: transparent; margin: 0; vertical-align: middle;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px; border-radius: 99px;
  background: linear-gradient(var(--primary), var(--primary)) 0 / var(--p, 40%) 100% no-repeat, #eadfd4;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: #fff;
  border: 2px solid var(--primary); margin-top: -7px;
}
input[type="range"]::-moz-range-track { height: 4px; border-radius: 99px; background: #eadfd4; border: 0; }
input[type="range"]::-moz-range-progress { height: 4px; border-radius: 99px; background: var(--primary); }
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 2px solid var(--primary);
}
.hint { color: var(--muted); font-size: 0.78rem; margin: 0; }
.layers { display: flex; gap: 14px; align-items: center; color: var(--muted); font-size: 0.78rem; margin: 8px 0 0; flex-wrap: wrap; }
.layers i { display: inline-block; width: 16px; height: 0; border-top: 2px solid; margin-right: 5px; vertical-align: middle; }
.layers .cut { border-color: #d21f1f; border-top-style: dashed; }
.layers .score { border-color: #1d4ed8; border-top-style: dashed; }
.layers .engrave { border-color: #1c1917; }
html.is-dark .layers .engrave { border-color: #f4f4f5; }
.flat svg #cut { stroke-dasharray: 3 1.6; }
.outside { color: var(--primary); font-weight: 700; font-size: 0.85rem; }
.actions { display: flex; gap: 8px; }
.actions .btn { flex: 1; text-align: center; }
.status { color: var(--ink); font-weight: 650; }

.stage { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.viewbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.viewbar .btn { margin-left: auto; flex: 0 0 auto; }
#export-step select, .field select { display: block; width: 100%; max-width: 100%; margin: 8px 0 12px; }
#export-step .row-3 { grid-template-columns: 1fr 1fr; }
.viewbar button, .seg button { border: 0; background: transparent; border-radius: 999px; padding: 6px 10px; cursor: pointer; }
.seg { display: flex; background: var(--glass-strong); border-radius: 999px; padding: 4px; }
.seg button.is-on, .viewbar button.is-on { background: #fff; }
.preview-split { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; align-items: start; }
.preview-split:has(#viewport.hidden), .preview-split:has(#flat.hidden) { grid-template-columns: minmax(0, 1fr); }
.explode-row { display: flex; align-items: center; gap: 12px; margin-top: 8px; }
.explode-row input[type="range"] { flex: 1; min-width: 0; }
.viewport { height: clamp(220px, 34vh, 380px); border-radius: 16px; overflow: hidden; background:
  linear-gradient(#e6e3de 1px, transparent 1px), linear-gradient(90deg, #e6e3de 1px, transparent 1px);
  background-size: 22px 22px; background-color: #f7f6f4; position: relative;
}
.flat-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 0 0 6px; font-size: 0.82rem; color: var(--muted); }
.flat-head .layers { margin: 0; }
.fit-ok { background: #eef8ef; color: #1d6b32; border-radius: 14px; padding: 12px; margin: 10px 0; }
html.is-dark .fit-ok { background: #1c3324; color: #b7e4c3; }
.export-foot { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin: 12px 0 28px; flex-wrap: wrap; }
.export-foot .actions { margin-left: auto; }
.preset-line { margin: 8px 0 4px; font-weight: 650; }
.badge.soon { color: var(--muted); }
.badge.pop { background: #fff1e8; color: #9a3412; }
#export-step, #design-step { scroll-margin-top: 12px; }
.viewport canvas { width: 100%; height: 100%; display: block; }
.viewport .badge { position: absolute; top: 10px; left: 10px; z-index: 2; }
.flat { background: rgba(255,255,255,0.55); border-radius: 16px; padding: 10px; overflow: auto; }
.flat svg { width: 100%; height: auto; max-height: clamp(180px, 32vh, 340px); }
.summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(108px, 1fr)); gap: 8px; font-size: 0.82rem; }
.summary div { background: var(--glass-strong); border-radius: 12px; padding: 8px; }
.summary b { display: block; }

.export-grid { display: grid; grid-template-columns: minmax(260px, 34%) minmax(0, 1fr); gap: 14px; }
.formats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.format { text-align: left; border: 1px solid var(--line); background: #fff; border-radius: 14px; padding: 10px; cursor: pointer; }
.format.is-on { border-color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
html.is-dark .format { background: #2a211c; }
.nest { min-height: 260px; border-radius: 14px; background:
  linear-gradient(#efe2d6 1px, transparent 1px), linear-gradient(90deg, #efe2d6 1px, transparent 1px);
  background-size: 16px 16px; background-color: rgba(255,255,255,0.4); position: relative; overflow: hidden;
}
.nest .bed { position: absolute; border: 1px dashed var(--ink); }
.nest .part { position: absolute; border: 1.5px solid #d21f1f; background: rgba(240,106,42,0.13); font-size: 11px; display: grid; place-items: center; }
.nest .miss { position: absolute; border: 1.5px dashed #d21f1f; background: repeating-linear-gradient(-45deg, transparent, transparent 4px, rgba(210,31,31,0.15) 4px, rgba(210,31,31,0.15) 8px); }
.warn { background: #fff4f0; color: #9a3412; border-radius: 14px; padding: 12px; }
html.is-dark .warn { background: #3a241c; color: #ffd0bf; }
.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
footer.site { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 0.82rem; padding: 10px 0 28px; }

.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 0.75rem; background: var(--glass-strong); border-radius: 999px; padding: 3px 8px; }
.badge i { width: 7px; height: 7px; border-radius: 50%; background: #3c9a4a; display: block; }
.tool .art { position: relative; }
.tool .art .badge { position: absolute; top: 8px; left: 8px; z-index: 1; }
.art svg { width: min(100%, 220px); height: auto; }
.art.word { font-weight: 700; color: var(--primary); font-size: 1.4rem; }
.group-label { display: flex; justify-content: space-between; gap: 8px; font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.slider { display: grid; grid-template-columns: 1fr 108px; gap: 8px; align-items: center; }
.unitbox { display: flex; align-items: center; gap: 4px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 4px 8px; }
.unitbox input { border: 0; width: 100%; padding: 2px; background: transparent; }
html.is-dark .unitbox { background: #2a211c; }
.switch { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.switch button { width: 42px; height: 24px; border-radius: 99px; border: 0; background: #eadfd4; position: relative; cursor: pointer; flex: 0 0 auto; }
.switch button.is-on { background: var(--primary); }
.switch button i { position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; display: block; }
.switch button.is-on i { left: 21px; }
.machine-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 12px; }
.machine-row button { text-align: left; border: 1px solid var(--line); background: #fff; border-radius: 14px; padding: 10px; cursor: pointer; }
.machine-row button small { display: block; color: var(--muted); }
.machine-row button.is-on { border-color: var(--primary); box-shadow: inset 0 -3px 0 var(--primary); }
html.is-dark .machine-row button { background: #2a211c; }
.format small, .format b { display: block; }
.row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.qty { display: flex; align-items: center; gap: 6px; }
.qty button { width: 28px; height: 28px; border-radius: 8px; padding: 0; }
.hidden { display: none !important; }
.check-ok { color: #3c9a4a; }
.check-bad { color: #9a3412; }

@media (max-width: 980px) {
  .top { flex-wrap: wrap; border-radius: 22px; width: 100%; }
  .top nav { order: 3; flex: 1 0 100%; min-width: 0; flex-wrap: wrap; }
  .top nav a { padding: 4px 8px; font-size: 0.84rem; }
  .tool-head { flex-direction: column; align-items: flex-start; }
  .stepper { width: 100%; justify-content: space-between; }
  .hero, .studio, .export-grid, .grid, .machine-row, .preview-split { grid-template-columns: 1fr; }
  .viewport { height: clamp(220px, 46vh, 420px); }
  .flat svg { max-height: 46vh; }
  .tool.wide, .export-card { grid-column: auto; }
  .controls { max-height: none; }
  .search { margin-left: 0; width: 100%; }
  .plan-card { padding: 4px 8px; }
  .plan-line { gap: 8px; }
  .plan-toggle { gap: 6px; }
  .summary, .checks, .row-3 { grid-template-columns: 1fr 1fr; }
  .banner, footer.site { flex-direction: column; align-items: flex-start; }
}