:root{
  --orange:#f58220;
  --orange-dark:#d96b10;
  --black:#111111;
  --white:#ffffff;
  --ink:#1e1e1e;
  --muted:#666666;
  --border:#e8e2dc;
  --soft:#fff7ef;
  --soft-2:#fff2e3;
  --shadow:0 10px 28px rgba(0,0,0,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"IBM Plex Sans Thai",system-ui,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.65;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{width:min(1180px,calc(100% - 32px));margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--border)
}
.header-top{
  display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px
}
.brand{display:flex;align-items:center;gap:12px}
.brand__logo{
  width:52px;height:52px;border-radius:14px;object-fit:cover;
  background:var(--white);box-shadow:var(--shadow);border:1px solid var(--border);padding:4px
}
.brand__text strong{display:block;font-size:1.05rem}
.brand__text small{display:block;color:var(--orange-dark);font-weight:600}
.header-links{display:flex;gap:14px;flex-wrap:wrap}
.header-links a{font-weight:700}
.header-subnav{border-top:1px solid var(--border);background:var(--soft)}
.pill-nav{
  display:flex;gap:10px;overflow:auto;padding:10px 0 12px;scrollbar-width:none
}
.pill-nav::-webkit-scrollbar{display:none}
.pill-nav__item{
  white-space:nowrap;display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:999px;background:#fff;border:1px solid #f2d8bc;
  font-weight:700;color:var(--black)
}
.pill-nav__item span{font-size:1rem}
.hero{
  background:
    linear-gradient(135deg, rgba(245,130,32,.14), rgba(245,130,32,0) 48%),
    linear-gradient(180deg, #ffffff, #fff8f2);
  padding:26px 0 30px;border-bottom:1px solid var(--border)
}
.breadcrumb{
  display:flex;gap:8px;flex-wrap:wrap;align-items:center;
  font-size:.92rem;color:var(--muted);margin-bottom:14px
}
.hero__content{display:grid;gap:14px}
.hero h1{font-size:clamp(1.95rem,3vw,3rem);line-height:1.12;margin:0;color:var(--black)}
.hero p{max-width:760px;font-size:1.02rem;margin:0}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 18px;border-radius:999px;border:1px solid transparent;font-weight:800;cursor:pointer
}
.btn--light{background:#fff;color:var(--black);border-color:var(--border)}
.btn--ghost{background:transparent;color:var(--black);border-color:#edcba8}
.btn--primary{background:var(--orange);color:#fff}
.btn--dark{background:var(--black);color:#fff}
.main-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;padding:26px 0 40px
}
.content-stack{display:grid;gap:22px}
.panel,.tool-card,.mini-panel{
  background:var(--white);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow)
}
.panel{padding:20px}
.panel h2,.panel h3{margin-top:0}
.panel h2{font-size:1.35rem}
.mini-panel{padding:16px}
.mini-panel strong{display:block;margin-bottom:4px}
.lead-grid{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}
.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.tool-card{padding:18px;position:relative;overflow:hidden}
.tool-card__head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tool-card__icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--soft-2);font-size:1.25rem;border:1px solid #f0d4b5
}
.tool-card__badge{
  display:inline-flex;padding:5px 10px;border-radius:999px;background:#111;color:#fff;
  font-size:.78rem;font-weight:700
}
.tool-card h3{margin:14px 0 8px;font-size:1.12rem;line-height:1.35}
.tool-card p{color:var(--muted);margin:0 0 12px}
.tool-card__link{font-weight:800;color:var(--orange-dark)}
.sidebar{display:grid;gap:16px;align-content:start}
.side-list{list-style:none;margin:0;padding:0}
.side-list li+li{border-top:1px dashed var(--border)}
.side-list a{display:flex;justify-content:space-between;align-items:center;padding:12px 0;font-weight:700}
.editor-box{
  background:linear-gradient(180deg,#fff,#fffdfa);
  border:1px solid #f0ddcb;border-radius:18px;padding:18px
}
.dropzone{
  border:2px dashed #e6c5a0;border-radius:18px;padding:24px;text-align:center;background:#fffaf5
}
.dropzone.dragover{border-color:var(--orange);background:#fff2e6}
.controls{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr));margin-top:18px}
.control{display:grid;gap:8px}
.control label{font-weight:700}
.control input,.control select,.control textarea{
  width:100%;padding:12px 13px;border-radius:12px;border:1px solid #dddad5;font:inherit;background:#fff
}
.control input[type="range"]{padding:0}
.actions-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.preview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}
.preview-box{border:1px solid var(--border);border-radius:16px;background:#fff;padding:14px}
.preview-box h3{margin:0 0 10px;font-size:1rem}
.canvas-shell{
  min-height:260px;background:#f5f5f5;border-radius:14px;overflow:hidden;display:grid;place-items:center
}
.result-meta{color:var(--muted);font-size:.94rem;margin-top:10px}
.faq-item{padding:12px 0;border-top:1px solid var(--border)}
.faq-item:first-child{border-top:0}
.faq-item h3{font-size:1rem;margin:0 0 6px}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.site-footer{background:var(--black);color:#f2f2f2}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:22px;padding:30px 0}
.site-footer h2,.site-footer h3{margin-top:0}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li+li{margin-top:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12)}
.footer-bottom__inner{
  display:flex;justify-content:space-between;gap:12px;padding:14px 0;color:rgba(255,255,255,.75);font-size:.92rem
}
.notice{font-size:.94rem;color:var(--muted)}
.chip-row{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
  background:var(--soft);border:1px solid #f0dcc8;font-weight:700
}
.og-banner{
  border:1px solid var(--border);border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--shadow)
}
.cropper-shell img{max-height:520px;width:100%;object-fit:contain}
#blurCanvas,#watermarkCanvas,#resizeCanvas,#convertCanvas,#compressCanvas{max-width:100%}
@media (max-width:1024px){
  .main-grid{grid-template-columns:1fr}
  .tool-grid,.lead-grid,.footer-grid,.controls,.preview-grid,.related-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .header-top{align-items:flex-start;padding:12px 0}
  .tool-grid,.lead-grid,.footer-grid,.controls,.preview-grid,.related-grid{grid-template-columns:1fr}
  .footer-bottom__inner{flex-direction:column}
}


.controls--single{grid-template-columns:1fr}
.status-strip{
  margin-top:14px;padding:12px 14px;border-radius:14px;background:#fff7ef;
  border:1px solid #f0dcc8;font-weight:700
}
.quick-steps{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.quick-step{
  display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:999px;
  border:1px solid var(--border);background:#fff;color:var(--muted);font-weight:700
}
.quick-step span{
  width:24px;height:24px;border-radius:999px;display:grid;place-items:center;
  background:#f5f5f5;color:var(--black);font-size:.9rem
}
.quick-step.is-active{border-color:#f0c38f;background:#fff4e8;color:var(--black)}
.quick-step.is-active span{background:var(--orange);color:#fff}
.preview-grid--editor{grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr)}
.preview-box--canvas{display:grid;gap:12px}
.canvas-shell--editor{position:relative;min-height:420px;background:#f5f5f5}
.canvas-shell--editor.is-ready{background:#fcfcfc}
.canvas-overlay{
  position:absolute;inset:0;display:grid;place-items:center;padding:18px;pointer-events:none
}
.canvas-overlay[hidden]{display:none}
.canvas-overlay__card{
  max-width:320px;text-align:center;background:rgba(255,255,255,.95);border:1px solid #f0dcc8;
  border-radius:18px;padding:16px 18px;box-shadow:var(--shadow);display:grid;gap:6px
}
.canvas-overlay__card strong{font-size:1rem}
.canvas-overlay__card span{font-size:.94rem;color:var(--muted)}
.editor-tip{
  padding:12px 14px;border-radius:14px;background:#111;color:#fff;font-weight:700;font-size:.94rem
}
.zones-list{display:grid;gap:10px}
.zones-list--empty{color:var(--muted);font-size:.94rem}
.zone-item{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border:1px solid var(--border);border-radius:14px;background:#fffaf5
}
.zone-item strong{display:block;font-size:.98rem}
.zone-item span{display:block;font-size:.9rem;color:var(--muted)}
.zone-item__remove{
  border:0;background:#111;color:#fff;border-radius:999px;padding:8px 12px;font:inherit;font-weight:700;cursor:pointer
}
@media (max-width:760px){
  .preview-grid--editor{grid-template-columns:1fr}
  .canvas-shell--editor{min-height:300px}
  .quick-steps{gap:8px}
  .quick-step{width:100%;justify-content:flex-start}
}


.processing-overlay{
  position:fixed;inset:0;z-index:9999;background:rgba(17,17,17,.58);
  backdrop-filter:blur(3px);display:grid;place-items:center;padding:20px
}
.processing-overlay[hidden]{display:none}
.processing-card{
  width:min(420px,100%);background:#fff;border:1px solid #f0dcc8;border-radius:22px;
  box-shadow:0 18px 50px rgba(0,0,0,.2);padding:22px;display:grid;gap:14px;text-align:center
}
.processing-spinner{
  width:54px;height:54px;margin:0 auto;border-radius:999px;border:5px solid #f5e4d3;
  border-top-color:var(--orange);animation:kklSpin .95s linear infinite
}
.processing-text{display:grid;gap:4px}
.processing-text strong{font-size:1.12rem;color:var(--black)}
.processing-text span{color:var(--muted)}
.processing-progress{
  width:100%;height:10px;background:#f3eee9;border-radius:999px;overflow:hidden;border:1px solid #ecd6c0
}
.processing-progress span{
  display:block;width:8%;height:100%;background:linear-gradient(90deg,var(--orange),#ffb15d);
  border-radius:inherit;transition:width .22s ease
}
#processingHint{color:var(--muted);font-size:.9rem}
.btn[disabled]{opacity:.55;cursor:not-allowed}
@keyframes kklSpin{to{transform:rotate(360deg)}}


.canvas-shell--logo-preview{min-height:220px;padding:14px;background:#fff}
.canvas-shell--logo-preview img{max-width:100%;max-height:180px;object-fit:contain}
.result-meta.is-error,.status-strip.is-error,#cropStage.is-error{color:#b42318}


.form-help{
  margin:2px 0 0;
  font-size:.92rem;
  line-height:1.45;
  color:var(--muted);
}
.preview-box,.canvas-shell,.cropper-shell,.cropper-container{
  max-width:100%;
}
.canvas-shell{
  width:100%;
  overflow:auto;
}
.canvas-shell img,
.canvas-shell canvas{
  max-width:100%;
  height:auto;
}
.preview-box .canvas-shell img,
.preview-box .canvas-shell canvas{
  width:auto;
  max-height:min(68vh,720px);
  object-fit:contain;
}
.preview-grid,
.preview-grid--editor,
.main-grid{
  min-width:0;
}
.preview-box,
.content-stack,
.sidebar{
  min-width:0;
}
.controls .control select,
.controls .control input,
.controls .control textarea{
  max-width:100%;
}
.cropper-container{
  max-height:min(68vh,720px);
}
@media (max-width:760px){
  .canvas-shell{
    min-height:220px;
  }
  .preview-box .canvas-shell img,
  .preview-box .canvas-shell canvas{
    max-height:56vh;
  }
}


/* Production Plus: keep editor/result within viewport */
.main-grid,
.content-stack,
.preview-grid,
.preview-box,
.canvas-shell,
.cropper-shell,
.canvas-shell--editor,
.preview-box--canvas,
.preview-box--side {
  min-width: 0;
}

.preview-grid {
  align-items: start;
}

.preview-box {
  overflow: hidden;
}

.canvas-shell {
  max-width: 100%;
}

.canvas-shell img,
.canvas-shell canvas,
.cropper-shell img,
.cropper-shell canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

#blurCanvas,
#watermarkCanvas,
#resizeCanvas,
#convertCanvas,
#compressCanvas,
#cropCanvas {
  width: auto;
  max-width: 100%;
  max-height: min(68vh, 760px);
}

.canvas-shell--editor {
  max-height: min(72vh, 820px);
  overflow: auto;
}

.preview-grid--editor {
  align-items: start;
}

@media (max-width: 1024px) {
  .main-grid {
    gap: 20px;
  }
  .preview-grid--editor {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .panel {
    padding: 16px;
  }
  .editor-box {
    padding: 14px;
  }
  .canvas-shell {
    min-height: 220px;
  }
  .canvas-shell--editor {
    min-height: 280px;
    max-height: 58vh;
  }
  #blurCanvas,
  #watermarkCanvas,
  #resizeCanvas,
  #convertCanvas,
  #compressCanvas,
  #cropCanvas {
    max-height: 52vh;
  }
}