/* surface-texturizer.css — upload a model and emboss a printable surface texture.
   Reuses the site-wide card convention: translucent green at rest, green fill on hover. */
:root{--bg:#0b0e14;--surface:rgba(26,74,26,.28);--border:rgba(62,198,62,.14);--green-neon:#3ec63e;--white:#f0f4ff;--grey:#8a94a8;--grey2:#a7b2c6;}

/* Site-wide card treatment */
.tool-card,.canvas-card{transition:background .2s,border-color .2s;}
.tool-card:hover,.canvas-card:hover{background:rgba(30,80,30,.92);border-color:rgba(62,198,62,.40);}

/* Layout */
.tool-wrap{max-width:1200px;margin:0 auto;padding:0 48px 100px;display:grid;grid-template-columns:360px 1fr;gap:24px;}
@media(max-width:900px){.tool-wrap{grid-template-columns:1fr;padding:0 20px 80px;}.tool-hero{padding:70px 20px 40px;}}
.col-left,.col-right{display:flex;flex-direction:column;gap:16px;}
.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px 24px;}
.tool-card-label{font-family:'Rajdhani',sans-serif;font-size:.7rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--green-neon);margin-bottom:14px;}

/* Pattern selector */
.seg-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.seg-btn{padding:12px 6px;border:1px solid var(--border);background:transparent;color:var(--grey);border-radius:8px;font-family:'Rajdhani',sans-serif;font-size:.84rem;font-weight:600;letter-spacing:.04em;cursor:pointer;transition:all .15s;text-align:center;line-height:1.25;}
.seg-btn:hover{border-color:rgba(255,255,255,.2);color:var(--white);}
.seg-btn.active{border-color:var(--green-neon);color:var(--green-neon);background:rgba(30,80,30,.92);}
.seg-btn small{display:block;font-family:'Exo 2',sans-serif;font-weight:400;font-size:.64rem;letter-spacing:0;color:var(--grey2);margin-top:2px;}
.pattern-grid{grid-template-columns:repeat(2,1fr);}

/* Parameter rows */
.params{display:flex;flex-direction:column;gap:14px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field-head{display:flex;justify-content:space-between;align-items:baseline;}
.field label{font-family:'Exo 2',sans-serif;font-size:.84rem;color:var(--grey);}
.field .val{font-family:'Rajdhani',sans-serif;font-weight:600;font-size:.86rem;color:var(--green-neon);}
.field input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:3px;background:var(--border);outline:none;cursor:pointer;}
.field input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:var(--green-neon);cursor:pointer;border:none;}
.field input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--green-neon);cursor:pointer;border:none;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.opt-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.opt-grid.three{grid-template-columns:repeat(3,1fr);}
.opt-grid .seg-btn{padding:10px 8px;}
.check-row{display:flex;align-items:center;gap:9px;}
.check-row input{width:16px;height:16px;accent-color:var(--green-neon);cursor:pointer;}
.check-row label{font-family:'Exo 2',sans-serif;font-size:.84rem;color:var(--grey);cursor:pointer;}
.sub-divider{margin:18px 0 12px;padding-top:14px;border-top:1px solid var(--border);font-family:'Rajdhani',sans-serif;font-weight:600;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--green-neon);}

/* Upload dropzone */
.dropzone{border:2px dashed rgba(62,198,62,.4);border-radius:10px;padding:26px 18px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;background:rgba(62,198,62,.04);}
.dropzone:hover,.dropzone.drag{border-color:var(--green-neon);background:rgba(30,80,30,.55);}
.dropzone .dz-icon{font-size:1.7rem;line-height:1;}
.dropzone .dz-main{font-family:'Rajdhani',sans-serif;font-weight:600;font-size:.95rem;color:var(--white);margin-top:8px;}
.dropzone .dz-sub{font-family:'Exo 2',sans-serif;font-size:.74rem;color:var(--grey2);margin-top:4px;}
.file-meta{margin-top:12px;font-family:'Exo 2',sans-serif;font-size:.78rem;color:var(--grey2);line-height:1.6;}
.file-meta strong{color:var(--grey);font-weight:600;}
.file-meta .fname{color:var(--green-neon);word-break:break-all;}

/* Download / actions */
.dl-btn{width:100%;padding:13px;border:none;border-radius:8px;background:var(--green-neon);color:#04130a;font-family:'Rajdhani',sans-serif;font-size:.96rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:filter .15s,transform .1s;}
.dl-btn:hover{filter:brightness(1.12);}
.dl-btn:active{transform:translateY(1px);}
.dl-btn:disabled{opacity:.5;cursor:not-allowed;}
.spec-line{font-family:'Exo 2',sans-serif;font-size:.78rem;color:var(--grey2);text-align:center;margin-top:10px;line-height:1.6;}
.spec-line strong{color:var(--grey);font-weight:600;}

/* Tip / warning boxes */
.tip-box{background:rgba(62,198,62,.05);border:1px solid rgba(62,198,62,.18);border-left:3px solid var(--green-neon);border-radius:6px;padding:12px 14px;font-family:'Exo 2',sans-serif;font-size:.8rem;color:var(--grey2);line-height:1.65;}
.tip-box strong{color:var(--grey);font-weight:600;}
.tip-box a{color:var(--green-neon);text-decoration:none;}
.tip-box a:hover{text-decoration:underline;}
.warn-box{display:none;margin-top:12px;background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.3);border-left:3px solid #f59e0b;border-radius:6px;padding:10px 13px;font-family:'Exo 2',sans-serif;font-size:.78rem;color:#f0d8a8;line-height:1.6;}

/* Canvas */
.preview-col{position:sticky;top:20px;display:flex;flex-direction:column;gap:16px;}
.canvas-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;position:relative;}
#texCanvas{width:100%;height:560px;display:block;background:var(--bg);}
@media(max-width:900px){.preview-col{position:static;}#texCanvas{height:380px;}}
.canvas-hint{text-align:center;padding:9px 0 12px;font-family:'Rajdhani',sans-serif;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--grey2);}
.canvas-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;pointer-events:none;text-align:center;padding:20px;}
.canvas-empty .ce-icon{font-size:2.4rem;opacity:.5;}
.canvas-empty .ce-text{font-family:'Rajdhani',sans-serif;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey2);}
.busy{position:absolute;inset:0;display:none;align-items:center;justify-content:center;background:rgba(11,14,20,.6);z-index:3;font-family:'Rajdhani',sans-serif;letter-spacing:.12em;text-transform:uppercase;font-size:.8rem;color:var(--green-neon);}
.busy.on{display:flex;}

/* Preview toolbar */
.preview-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:8px 14px;border-top:1px solid rgba(62,198,62,.12);}
.toolbar-left{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.view-btns{display:flex;gap:4px;}
.view-btn{background:transparent;border:1px solid rgba(62,198,62,.25);color:var(--grey2);font-family:'Rajdhani',sans-serif;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;padding:5px 10px;border-radius:5px;cursor:pointer;transition:border-color .15s,color .15s,background .15s;}
.view-btn:hover{border-color:var(--green-neon);color:var(--green-neon);}
.view-btn.active{border-color:var(--green-neon);color:var(--green-neon);background:rgba(30,80,30,.92);}
.preview-color{display:flex;align-items:center;gap:8px;}
.preview-color-label{font-family:'Rajdhani',sans-serif;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey2);}
.color-dots{display:flex;align-items:center;gap:5px;}
.color-dot{width:16px;height:16px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:border-color .1s,transform .1s;flex-shrink:0;}
.color-dot:hover,.color-dot.active{border-color:#fff;transform:scale(1.15);}

/* Accuracy note */
.accuracy-note{max-width:1200px;margin:0 auto;padding:28px 48px 60px;border-top:1px solid rgba(255,255,255,.06);}
.accuracy-note p{font-family:'Exo 2',sans-serif;font-size:.78rem;color:var(--grey2);line-height:1.75;margin:0;}
.accuracy-note strong{color:var(--grey);font-weight:600;}
.accuracy-note a{color:var(--green-neon);text-decoration:none;}
.accuracy-note a:hover{text-decoration:underline;}
@media(max-width:820px){.accuracy-note{padding:28px 20px 40px;}}