/* LimeTex Colour Visualizer — front-end styles */
.ltcv{
  --ink:#171512;--ink2:#746d65;--line:#e8e1d8;--wash:#f7f3ed;--accent:#9a7650;--accent2:#c4a078;
  --hex:polygon(50% 0%,93% 25%,93% 75%,50% 100%,7% 75%,7% 25%);
  background:radial-gradient(900px 420px at 50% -160px,rgba(195,160,120,.10),transparent 70%),linear-gradient(180deg,#fbfaf7 0%,#f5f1eb 100%);
  color:var(--ink);padding:clamp(34px,5vw,70px) 0 70px;
  font-family:"Inter","Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased;
}
.ltcv *,.ltcv *::before,.ltcv *::after{box-sizing:border-box}
.ltcv-inner{max-width:1320px;margin:0 auto;padding:0 clamp(14px,4vw,42px)}

/* header */
.ltcv-head{max-width:1180px;margin:0 auto clamp(22px,3vw,40px)}
.ltcv-kicker{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:9px;font-weight:700;letter-spacing:.24em;color:var(--accent)}
.ltcv-kicker__line{width:48px;height:1px;background:linear-gradient(90deg,var(--accent),transparent)}
.ltcv-kicker__dot{width:4px;height:4px;border-radius:50%;background:var(--accent2)}
.ltcv-title{margin:0;font-size:clamp(32px,4.3vw,58px);font-weight:300;line-height:.98;letter-spacing:-.045em;color:#181613}
.ltcv-title em{font-style:normal;color:#8c6947}
.ltcv-subtitle{max-width:720px;margin:16px 0 0;font-size:13.5px;line-height:1.8;color:#756e66}
.ltcv-steps{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 0;padding:0;list-style:none;counter-reset:s}
.ltcv-steps li{counter-increment:s;display:flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid #e4ddd4;border-radius:999px;background:rgba(255,255,255,.72);font-size:10.5px;color:#655e56}
.ltcv-steps li::before{content:counter(s);width:21px;height:21px;display:grid;place-items:center;border:1px solid #d8cec1;border-radius:50%;background:#fff;color:#8b6b4d;font-size:9px}

/* grid */
.ltcv-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1.42fr) minmax(340px,.8fr);gap:24px;align-items:start}
.ltcv-stageWrap,.ltcv-panel{min-width:0}

/* stage */
.ltcv-stage{position:relative;overflow:hidden;isolation:isolate;min-height:300px;border:1px solid #ddd5cb;border-radius:22px;background:#e9e4dc;box-shadow:0 30px 80px rgba(35,27,19,.13),0 5px 18px rgba(35,27,19,.06)}
.ltcv-stage.is-ready::after{content:"LIMETEX GLOBAL  •  COLOUR VISUALIZER";position:absolute;right:14px;bottom:14px;padding:7px 11px;border-radius:999px;background:rgba(24,21,18,.55);color:rgba(255,255,255,.92);font-size:8px;letter-spacing:.12em;font-weight:700;pointer-events:none;z-index:3}
.ltcv-canvas{display:block;width:100%;height:auto}
.ltcv-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:2}
.ltcv-stage.is-ready .ltcv-canvas{cursor:crosshair;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.ltcv-stage.is-paint .ltcv-canvas{cursor:none}
.ltcv-stage.is-busy .ltcv-canvas{opacity:.75}
.ltcv-drop{position:absolute;inset:0;z-index:4;display:grid;place-content:center;justify-items:center;gap:6px;padding:26px;text-align:center;background:rgba(255,255,255,.95);border:1px dashed #cfc4b8;border-radius:21px;transition:background .2s}
.ltcv-drop[hidden]{display:none}
.ltcv-stage.is-dragging .ltcv-drop{background:#f2ece4;border-color:var(--accent)}
.ltcv-drop__lead{margin:0;font-size:20px;font-weight:500;letter-spacing:-.02em;max-width:34ch}
.ltcv-drop__sub{margin:0 0 16px;font-size:12px;color:#81786f}
.ltcv-drop__btns{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}

/* buttons */
.ltcv-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #24211e;background:#fffdfa;color:var(--ink);padding:13px 18px;border-radius:10px;font:inherit;font-size:11px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;text-decoration:none;cursor:pointer;box-shadow:0 6px 18px rgba(24,20,16,.05);transition:background .2s,color .2s,opacity .2s,transform .2s}
.ltcv-btn:hover:not(:disabled){background:#24211e;color:#fff}
.ltcv-btn--solid{background:linear-gradient(135deg,#24211e,#11100f);color:#fff;box-shadow:0 10px 25px rgba(25,20,15,.18)}
.ltcv-btn--solid:hover:not(:disabled){background:linear-gradient(135deg,#9b7650,#765536);border-color:#765536}
.ltcv-btn:disabled{opacity:.35;cursor:default}

/* AI status + surfaces */
.ltcv-aiStatus{margin:14px 0 0;padding:11px 14px;border:1px solid #e6dfd6;border-radius:11px;background:#f8f5f0;font-size:12px;line-height:1.55;color:var(--ink2)}
.ltcv-aiStatus[hidden],.ltcv-surfaces[hidden],.ltcv-tools[hidden]{display:none}
.ltcv-aiStatus.is-error{color:#9b2c20;border-color:#e6b8b2;background:#fff8f7}
.ltcv-aiStatus.is-busy::before{content:"";display:inline-block;width:11px;height:11px;margin-right:9px;border:2px solid #d8cec1;border-top-color:var(--accent);border-radius:50%;vertical-align:-2px;animation:ltcv-spin .8s linear infinite}
@keyframes ltcv-spin{to{transform:rotate(360deg)}}
.ltcv-aiRetry{margin-left:8px;border:0;background:none;color:var(--accent);font:inherit;font-weight:700;text-decoration:underline;cursor:pointer}

.ltcv-surfaces{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:12px}
.ltcv-surf{display:flex;align-items:center;gap:10px;text-align:left;padding:11px 13px;border:1px solid #e5ded6;border-radius:12px;background:rgba(255,255,255,.85);font:inherit;cursor:pointer;box-shadow:0 5px 15px rgba(30,25,20,.035);transition:border-color .18s,background .18s}
.ltcv-surf:hover{background:#fbf8f4}
.ltcv-surf.is-on{border-color:var(--accent);background:#fbf8f4;box-shadow:0 8px 20px rgba(30,25,20,.07)}
.ltcv-surf__dot{width:22px;height:24px;flex:none;clip-path:var(--hex);background:var(--dot,#E9E5DF);transition:background-color .3s}
.ltcv-surf__txt{min-width:0}
.ltcv-surf__name{display:block;font-size:13px;color:var(--ink)}
.ltcv-surf__state{display:block;margin-top:2px;font-size:10.5px;color:var(--ink2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ltcv-surf.is-detected .ltcv-surf__name::after{content:"AI";margin-left:7px;padding:2px 5px;border-radius:4px;background:var(--accent);color:#fff;font-size:8px;font-weight:700;letter-spacing:.1em;vertical-align:1px}

/* tools */
.ltcv-tools{margin-top:14px;padding:15px 16px;border:1px solid #e4ddd5;border-radius:14px;background:rgba(255,255,255,.82)}
.ltcv-toolsTitle{margin:0 0 11px;font-size:9px;font-weight:700;letter-spacing:.17em;text-transform:uppercase;color:var(--accent)}
.ltcv-seg{display:inline-flex;padding:3px;border-radius:8px;background:#f7f3ee}
.ltcv-segBtn{border:0;border-radius:6px;background:none;padding:8px 13px;font:inherit;font-size:11px;color:var(--ink2);cursor:pointer}
.ltcv-segBtn.is-on{background:#25221f;color:#fff;box-shadow:0 4px 10px rgba(25,20,16,.13)}
.ltcv-slider{display:flex;align-items:center;gap:12px;margin-top:14px;max-width:380px;font-size:12px;color:var(--ink2)}
.ltcv-slider[hidden],.ltcv-shapeBar[hidden]{display:none}
.ltcv-slider input{flex:1;accent-color:var(--accent)}
.ltcv-slider output{min-width:3ch;text-align:right;color:var(--ink)}
.ltcv-shapeBar{display:flex;gap:20px;margin-top:14px}
.ltcv-tools__row{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:16px}
.ltcv-tool{border:0;border-bottom:1px solid var(--line);background:none;padding:0 0 5px;font:inherit;font-size:11px;letter-spacing:.03em;color:var(--ink2);cursor:pointer;transition:color .2s,border-color .2s}
.ltcv-tool:hover:not(:disabled){color:var(--ink);border-bottom-color:var(--accent)}
.ltcv-tool:disabled{opacity:.35;cursor:default}
.ltcv-tool[aria-pressed="true"]{color:var(--accent);border-bottom-color:var(--accent)}
.ltcv-tip{margin:12px 0 0;min-height:1.6em;font-size:11.5px;line-height:1.6;color:var(--ink2);max-width:56ch}

/* panel */
.ltcv-panel{position:sticky;top:22px;padding:24px;border:1px solid #e3dcd3;border-radius:22px;background:rgba(255,255,255,.92);box-shadow:0 22px 60px rgba(35,27,19,.09)}
.ltcv-readout{display:flex;align-items:center;gap:13px;margin:-2px 0 20px;padding-bottom:19px;border-bottom:1px solid #eee8e1}
.ltcv-readout__chip{width:45px;height:49px;flex:none;clip-path:var(--hex);background:var(--c,#D9C3AE);transition:background-color .35s}
.ltcv-readout__for,.ltcv-readout__name{margin:0}
.ltcv-readout__for{font-size:8px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:#94877b}
.ltcv-readout__name{margin-top:3px;font-size:23px;line-height:1.1;font-weight:400;letter-spacing:-.02em}
.ltcv-readout__code{margin-top:3px;border:0;border-bottom:1px dotted var(--line);background:none;padding:0;font:inherit;font-size:10px;letter-spacing:.08em;color:#8c8176;cursor:pointer}
.ltcv-readout__code:hover{color:var(--accent)}

.ltcv-textureNav{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 12px}
.ltcv-textureBtn{border:1px solid var(--line);border-radius:10px;background:#faf8f5;color:var(--ink2);padding:9px 13px;font:inherit;font-size:10px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:all .18s}
.ltcv-textureBtn:hover{border-color:var(--accent);color:var(--ink)}
.ltcv-textureBtn.is-on{background:#211e1a;border-color:#211e1a;color:#fff;box-shadow:0 8px 20px rgba(30,25,20,.10)}
.ltcv-textureInfo{display:flex;align-items:center;gap:8px;margin:0 0 12px;padding:9px 10px;border:1px solid #ece5dc;border-radius:10px;background:#f8f5f0}
.ltcv-textureBadge{padding:4px 6px;border:1px solid var(--line);border-radius:4px;background:#fff;font-size:7px;font-weight:700;letter-spacing:.16em;color:var(--accent)}
.ltcv-textureName{font-size:11.5px;font-weight:600;color:#4d463f}
.ltcv-textureName small{margin-left:5px;font-size:9px;font-weight:400;color:#9a9086}

.ltcv-swatches{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;padding:8px 2px 4px}
.ltcv-sw{position:relative;aspect-ratio:1/1.1;border:0;padding:0;background:none;cursor:pointer;filter:drop-shadow(0 5px 8px rgba(26,21,17,.07));transition:transform .2s,filter .2s}
.ltcv-sw::before{content:"";position:absolute;inset:0;clip-path:var(--hex);background-color:var(--sw);background-image:var(--sw-img);background-size:cover;background-position:center}
.ltcv-swatches.is-card .ltcv-sw::before{background-size:170%;background-position:center 8%}
.ltcv-sw::after{content:"";position:absolute;inset:-4px;clip-path:var(--hex);border:2px solid var(--accent);opacity:0;pointer-events:none}
.ltcv-sw:hover{transform:translateY(-4px)}
.ltcv-sw.is-on{transform:translateY(-3px);filter:drop-shadow(0 8px 12px rgba(40,30,20,.15))}
.ltcv-sw.is-on::after{opacity:1}
.ltcv-sw:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.ltcv-toneCard{margin-top:18px;padding:16px 17px 12px;border:1px solid #e2d9ce;border-radius:14px;background:linear-gradient(145deg,#fffdf9,#f7f2eb)}
.ltcv-toneHead{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:13px}
.ltcv-toneHead>div{display:flex;flex-direction:column;gap:4px}
.ltcv-toneEyebrow{font-size:8px;letter-spacing:.19em;font-weight:800;color:#9a795b}
.ltcv-toneHead strong{font-size:12px;color:#292521}
.ltcv-toneValue{min-width:64px;padding:6px 9px;border:1px solid #ddd2c5;border-radius:999px;background:#fff;color:#66594d;text-align:center;font-size:9px;font-weight:700}
.ltcv-toneSliderRow{display:grid;grid-template-columns:47px minmax(0,1fr) 47px;align-items:center;gap:10px}
.ltcv-toneLabel{font-size:8px;font-weight:700;letter-spacing:.05em;color:#756a60}
.ltcv-toneLabel--light{text-align:right}
.ltcv-tone{-webkit-appearance:none;appearance:none;width:100%;height:7px;border-radius:999px;outline:none;cursor:pointer;background:linear-gradient(90deg,#25211d,#c8bcae 50%,#fffaf3)}
.ltcv-tone::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;border:3px solid #fff;background:#8a6a4f;box-shadow:0 3px 10px rgba(40,30,22,.24);cursor:grab}
.ltcv-tone::-moz-range-thumb{width:16px;height:16px;border-radius:50%;border:3px solid #fff;background:#8a6a4f;cursor:grab}
.ltcv-toneReset{display:block;margin:10px auto 0;border:0;background:none;color:#8a6a4f;font:inherit;font-size:9px;font-weight:700;cursor:pointer;padding:3px 7px}
.ltcv-toneReset:hover{text-decoration:underline}

.ltcv-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:22px;padding-top:19px;border-top:1px solid #eee8e1}
.ltcv-actions .ltcv-autoApply{grid-column:1/-1;min-height:48px;font-size:11.5px}
.ltcv-actions .ltcv-autoApply:not(:disabled){background:linear-gradient(135deg,#211e1a,#3a3128)}
.ltcv-actions .ltcv-removeTexture{border-color:#d9cec0;background:#fbf8f4;color:#806348;min-height:43px;font-size:9.5px}
.ltcv-actions .ltcv-removeTexture.is-active{background:#806348;color:#fff}
.ltcv-actions .ltcv-download{border-color:#ddd5cb;background:#fff;min-height:43px;font-size:9.5px}
.ltcv-actions .ltcv-quote{grid-column:1/-1;min-height:42px;font-size:9.5px;border-color:#e4dace;background:#f3eee7;color:#554a40}
.ltcv-actions .ltcv-quote:hover{background:#24211e;color:#fff}
.ltcv-autoHint{margin:13px 2px 0;padding:10px 11px;border-left:2px solid #b8956f;border-radius:0 7px 7px 0;background:#faf7f2;color:#786e65;font-size:10px;line-height:1.65}
.ltcv-note{margin:11px 0 0;font-size:9.5px;line-height:1.65;color:#958b82}

/* responsive */
@media(max-width:950px){
  .ltcv-grid{grid-template-columns:1fr}
  .ltcv-panel{position:relative;top:auto}
}
@media(max-width:620px){
  .ltcv{padding:26px 0 40px}
  .ltcv-inner{padding:0 10px}
  .ltcv-title{font-size:32px}
  .ltcv-subtitle{font-size:12px}
  .ltcv-steps{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
  .ltcv-steps li{flex:0 0 auto;white-space:nowrap;font-size:9.5px}
  .ltcv-stage{border-radius:16px;min-height:200px}
  .ltcv-stage.is-ready::after{display:none}
  .ltcv-surfaces{display:flex;overflow-x:auto;scrollbar-width:none}
  .ltcv-surf{flex:0 0 auto;min-width:150px}
  .ltcv-panel{padding:16px;border-radius:17px}
  .ltcv-swatches{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}
  .ltcv-seg{display:grid;grid-template-columns:repeat(4,1fr);width:100%}
  .ltcv-tools__row{display:grid;grid-template-columns:1fr 1fr;gap:9px}
  .ltcv-tool{min-height:40px;padding:8px 5px;border:1px solid var(--line);border-radius:4px;background:#fff;text-align:center}
  .ltcv-actions{grid-template-columns:1fr}
  .ltcv-actions .ltcv-autoApply,.ltcv-actions .ltcv-quote{grid-column:auto}
  .ltcv-toneSliderRow{grid-template-columns:42px minmax(0,1fr) 42px}
}
@media(prefers-reduced-motion:reduce){.ltcv *{transition:none!important;animation:none!important}}