:root{
  --primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#dbeafe;
  --accent:#7c3aed;--surface:#fff;--surface2:#f8fafc;--surface3:#f1f5f9;
  --border:#e2e8f0;--text:#0f172a;--text2:#475569;--text3:#94a3b8;
  --radius:1rem;--shadow:0 4px 16px rgba(0,0,0,.07);
  --font-head:'Syne',system-ui,sans-serif;--font-body:'DM Sans',system-ui,sans-serif;
  --tr:.2s ease;
}
.dark-mode{--surface:#1e293b;--surface2:#0f172a;--surface3:#1e293b;--border:#334155;--text:#f1f5f9;--text2:#94a3b8;--text3:#64748b;--shadow:0 4px 16px rgba(0,0,0,.3)}
*{margin:0;padding:0;box-sizing:border-box}
/* Global keyboard focus indicator — accessibility requirement */
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
:focus:not(:focus-visible){outline:none}
body{font-family:var(--font-body);background:var(--surface2);color:var(--text);min-height:100vh;transition:background .2s,color .2s}

/* TOPBAR */
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:.55rem 1.25rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.4rem;position:sticky;top:0;z-index:999;box-shadow:var(--shadow)}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:.4rem;flex-wrap:wrap}
.site-logo{font-family:var(--font-head);font-size:1.1rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;text-decoration:none}
.pill-btn{display:inline-flex;align-items:center;gap:5px;padding:.3rem .75rem;border-radius:30px;border:1.5px solid var(--border);background:var(--surface2);color:var(--text2);font-size:.72rem;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none}
.pill-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.pill-btn i{font-size:.7rem}
.hist-btn{padding:.28rem .55rem;border-radius:6px;border:1.5px solid var(--border);background:var(--surface2);color:var(--text3);font-size:.68rem;cursor:pointer;transition:all .2s}
.hist-btn:hover:not(:disabled){color:var(--primary);border-color:var(--primary)}
.hist-btn:disabled{opacity:.35;cursor:not-allowed}
.dm-toggle{display:flex;align-items:center;gap:5px;cursor:pointer}
.dm-toggle input{display:none}
.dm-track{width:32px;height:17px;background:var(--border);border-radius:9px;position:relative;transition:background .2s}
.dm-track.on{background:var(--primary)}
.dm-thumb{position:absolute;top:2px;left:2px;width:13px;height:13px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.dm-track.on .dm-thumb{transform:translateX(15px)}
.dm-toggle span{font-size:.7rem;font-weight:600;color:var(--text2)}

/* BREADCRUMB */
.breadcrumb{max-width:1700px;margin:0 auto;padding:.6rem 1.25rem 0;font-size:.78rem;color:var(--text3);display:flex;align-items:center;gap:.4rem;flex-wrap:wrap}
.breadcrumb a{color:var(--text2);text-decoration:none;transition:color .2s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .bc-sep{color:var(--text3);font-size:.72rem}
.breadcrumb .bc-current{color:var(--primary);font-weight:600}
@media(max-width:600px){.breadcrumb{padding:.5rem .75rem 0;font-size:.72rem}}

/* ===========================================================
   ADSENSE AD UNITS - Fully Responsive Container
   Prevents layout shift (CLS) at every breakpoint
   =========================================================== */
.ad-wrap{
  width:100%;
  max-width:1700px;
  margin:1.25rem auto;
  padding:0 1.25rem;
  box-sizing:border-box;
}
.ad-slot{
  background:var(--surface3);
  border:1px solid var(--border);
  border-radius:.75rem;
  padding:.75rem;
  text-align:center;
  overflow:hidden;
  width:100%;
  min-height:280px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-sizing:border-box;
  transition:background .2s,border-color .2s;
}
.ad-slot ins.adsbygoogle{
  display:block!important;
  width:100%!important;
  max-width:100%;
  margin:0 auto;
  overflow:hidden;
}

/* Desktop large screens: roomier ad container */
@media(min-width:1280px){
  .ad-slot{min-height:280px}
}

/* Tablet */
@media(max-width:1024px){
  .ad-slot{min-height:240px}
}

/* Tablet portrait / large mobile */
@media(max-width:768px){
  .ad-wrap{margin:1rem auto;padding:0 .9rem}
  .ad-slot{min-height:200px;padding:.6rem;border-radius:.65rem}
}

/* Mobile */
@media(max-width:600px){
  .ad-wrap{margin:.85rem auto;padding:0 .6rem}
  .ad-slot{min-height:140px;padding:.5rem;border-radius:.6rem}
}

/* Small mobile */
@media(max-width:420px){
  .ad-slot{min-height:110px;padding:.45rem}
}

/* PAGE */
.page-wrap{max-width:1700px;margin:0 auto;padding:0 1rem 2rem}
.tool-header{padding:.85rem .5rem .5rem;display:flex;align-items:flex-start;justify-content:space-between;flex-wrap:wrap;gap:.65rem}
.tool-header h1{font-family:var(--font-head);font-size:clamp(1.3rem,3.5vw,1.9rem);font-weight:800;line-height:1.2}
.tool-header p{font-size:.82rem;color:var(--text2);margin-top:.2rem}
.toolbar{display:flex;gap:.35rem;flex-wrap:wrap;align-items:center}

/* TEMPLATES */
.tpl-bar{display:flex;gap:.35rem;flex-wrap:wrap;margin:.4rem 0 .7rem;padding:.65rem .9rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.tpl-btn{padding:.26rem .65rem;border-radius:20px;border:1.5px solid var(--border);background:var(--surface2);color:var(--text2);font-size:.68rem;font-weight:600;cursor:pointer;transition:all .2s}
.tpl-btn:hover,.tpl-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* MAIN GRID */
.main-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:.9rem}
@media(max-width:1100px){.main-grid{grid-template-columns:1fr}}

/* CONTROLS */
.controls-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:.75rem}
@media(max-width:680px){.controls-grid{grid-template-columns:1fr}}

/* CARD */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:.9rem 1rem;box-shadow:var(--shadow);transition:background .2s,border-color .2s}
.card-title{font-family:var(--font-head);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--primary);margin-bottom:.75rem;padding-bottom:.45rem;border-bottom:2px solid var(--primary-light);display:flex;align-items:center;gap:5px}
.cr{display:flex;align-items:center;gap:.45rem;margin-bottom:.52rem;flex-wrap:wrap}
.cr label{width:88px;font-size:.7rem;font-weight:600;color:var(--text2);flex-shrink:0}
.cr input:not([type=color]):not([type=range]):not([type=checkbox]),.cr select{flex:1;min-width:70px;padding:.34rem .6rem;border-radius:7px;border:1.5px solid var(--border);font-size:.75rem;background:var(--surface2);color:var(--text);transition:border-color .2s}
.cr input:focus-visible,.cr select:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-color:var(--primary)}
.ci{display:none}
.cr input[type=color]{width:34px;height:28px;border-radius:6px;border:1.5px solid var(--border);cursor:pointer;padding:2px;background:var(--surface)}
.slider-row{display:flex;align-items:center;gap:7px;flex:1}
.slider-row input[type=range]{flex:1;cursor:pointer;accent-color:var(--primary)}
.slider-val{font-size:.7rem;font-weight:600;min-width:26px;text-align:right;color:var(--text2)}
.color-row{display:flex;flex-wrap:wrap;gap:.55rem}
.ci-wrap{display:flex;flex-direction:column;align-items:center;gap:2px}
.ci-wrap span{font-size:.58rem;font-weight:600;color:var(--text3);text-align:center}
.color-swatch{width:36px;height:36px;border-radius:9px;border:2px solid var(--border);cursor:pointer;position:relative;overflow:hidden}
.color-swatch input[type=color]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.radius-grid{display:grid;grid-template-columns:1fr 1fr;gap:3px}
.radius-grid input{padding:.27rem .45rem;text-align:center}

/* PREVIEW */
.preview-sticky{position:sticky;top:62px}
.preview-box{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem;box-shadow:var(--shadow)}
.preview-controls,.device-bar{display:flex;gap:.35rem;margin-bottom:.65rem;flex-wrap:wrap}
.bg-tog,.device-tog{padding:.25rem .62rem;border-radius:20px;border:1.5px solid var(--border);background:var(--surface2);font-size:.66rem;font-weight:600;cursor:pointer;color:var(--text2);transition:all .2s;display:flex;align-items:center;gap:4px}
.bg-tog.active,.device-tog.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.live-area{min-height:190px;display:flex;align-items:center;justify-content:center;border-radius:.7rem;border:1px solid var(--border);background:var(--surface2);margin-bottom:.75rem;transition:background .3s;position:relative;overflow:hidden}
.live-area.dark-bg{background:#1e293b}
.live-area.checker{background-image:linear-gradient(45deg,#e2e8f0 25%,transparent 25%),linear-gradient(-45deg,#e2e8f0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#e2e8f0 75%),linear-gradient(-45deg,transparent 75%,#e2e8f0 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}
.live-area.mobile-frame{max-width:375px;margin:0 auto;border:3px solid #334155;border-radius:24px;min-height:160px}
.live-area.tablet-frame{max-width:600px;border:3px solid #334155;border-radius:14px}

/* CODE PANEL */
.code-tabs{display:flex;gap:.35rem;margin:.65rem 0 .45rem;flex-wrap:wrap}
.code-tab{background:var(--surface3);border:1.5px solid var(--border);padding:.27rem .75rem;border-radius:20px;font-size:.66rem;font-weight:700;cursor:pointer;color:var(--text2);transition:all .2s}
.code-tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.code-tab[data-lang=react].active{background:#0ea5e9;border-color:#0ea5e9}
.code-tab[data-lang=embed].active{background:#7c3aed;border-color:#7c3aed}
.code-tab[data-lang=minified].active{background:#059669;border-color:#059669}
/* ============================================================
   SPLIT VIEW — preview + code editor side by side
   ============================================================ */
.preview-controls-sep{width:1px;height:16px;background:var(--border);margin:0 2px;flex-shrink:0}
.split-tog{display:flex;align-items:center;gap:5px;padding:.22rem .65rem;border-radius:20px;border:1.5px solid var(--border);background:var(--surface2);color:var(--text2);font-size:.65rem;font-weight:600;cursor:pointer;transition:all .18s;white-space:nowrap;margin-left:auto}
.split-tog:hover{border-color:var(--primary);color:var(--primary)}
.split-tog.active{background:var(--primary);border-color:var(--primary);color:#fff}

/* When split view is active on the main grid */
.main-grid.split-view{grid-template-columns:1fr!important;gap:0}
.main-grid.split-view .controls-col{display:none!important}
.main-grid.split-view .preview-col{width:100%}
.main-grid.split-view .preview-sticky{position:static}
.main-grid.split-view .preview-box{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;align-items:start}
.main-grid.split-view .preview-controls{grid-column:1/-1}
.main-grid.split-view .device-bar{grid-column:1/-1}
.main-grid.split-view .live-area{min-height:300px;border-radius:.75rem}
.main-grid.split-view .code-wrap{height:100%;display:flex;flex-direction:column}
.main-grid.split-view .code-wrap #codeEditor{flex:1;min-height:260px;max-height:none;resize:none}

@media(max-width:768px){
  .main-grid.split-view .preview-box{grid-template-columns:1fr}
  .split-tog span{display:none}
}

.code-tabs-inner{display:flex;flex-wrap:wrap;gap:.3rem;padding:.55rem .75rem .35rem;background:#161b22;border-bottom:1px solid #21262d}
.code-tabs-inner .code-tab{padding:.22rem .65rem;border-radius:6px;border:1.5px solid transparent;background:transparent;color:#8b949e;font-size:.68rem;font-weight:600;cursor:pointer;transition:all .15s}
.code-tabs-inner .code-tab:hover{color:#c9d1d9;border-color:#30363d}
.code-tabs-inner .code-tab.active{background:#1f6feb;color:#fff;border-color:#1f6feb}

/* ACTION ROW inside wrap */
.action-row{display:flex;gap:.4rem;flex-wrap:wrap;padding:.55rem .7rem;background:#161b22;border-top:1px solid #21262d}

/* Exit button — hidden by default, shown only in fullscreen */
.fs-exit-btn{display:none!important}
.act-btn.red{background:#ef4444;color:#fff;border-color:#ef4444}
.act-btn.red:hover{background:#dc2626;border-color:#dc2626}

/* FULLSCREEN MODE */
.code-wrap{background:#0d1117;border-radius:.7rem;border:1px solid #21262d;overflow:hidden;position:relative}
.code-wrap.fullscreen{
  position:fixed;
  inset:0;
  z-index:99999;
  border-radius:0;
  display:flex;
  flex-direction:column;
  border:none;
  box-shadow:none;
}
.code-wrap.fullscreen #codeEditor{
  flex:1;
  max-height:none;
  height:100%;
  font-size:.85rem;
  line-height:1.65;
}
.code-wrap.fullscreen .fs-exit-btn{display:inline-flex!important}
.code-wrap.fullscreen .code-topbar .fs-btn{display:none}

/* When fullscreen active: hide ALL body content except the code-wrap overlay */
body.cbg-fullscreen-active > *:not(.code-wrap.fullscreen) {
  visibility: hidden !important;
  pointer-events: none !important;
  opacity: 0 !important;
}
/* Prevent scroll when fullscreen */
body.cbg-fullscreen-active { overflow: hidden !important; }

/* The fullscreen code-wrap must sit above everything */
.code-wrap.fullscreen {
  z-index: 2147483647 !important; /* max z-index — beats any extension/theme */
}
/* Blackout layer behind code-wrap to block any remaining injections */
body.cbg-fullscreen-active::before {
  content: '';
  position: fixed;
  inset: 0;
  background: #0d1117;
  z-index: 2147483646;
}


.code-topbar{display:flex;justify-content:space-between;align-items:center;padding:.38rem .7rem;background:#161b22;border-bottom:1px solid #21262d}
.code-dots{display:flex;gap:4px}
.code-dots span{width:9px;height:9px;border-radius:50%}
.fs-btn{background:transparent;border:none;color:#8b949e;font-size:.66rem;cursor:pointer;padding:.18rem .45rem;border-radius:5px;transition:all .15s;display:flex;align-items:center;gap:3px}
.fs-btn:hover{background:#21262d;color:#c9d1d9}
#codeEditor{width:100%;background:#0d1117;color:#c9d1d9;padding:.8rem;font-size:.68rem;font-family:monospace;line-height:1.55;min-height:195px;max-height:310px;border:none;resize:vertical;outline:none}
#codeEditor:focus-visible{outline:2px solid var(--primary);outline-offset:0}
.action-row{display:flex;gap:.35rem;flex-wrap:wrap;margin-top:.65rem}
.act-btn{flex:1;min-width:72px;padding:.42rem .65rem;border-radius:7px;border:none;font-size:.7rem;font-weight:700;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:4px}
.act-btn.blue{background:var(--primary);color:#fff}
.act-btn.blue:hover{background:var(--primary-dark)}
.act-btn.gray{background:var(--surface3);color:var(--text2);border:1.5px solid var(--border)}
.act-btn.gray:hover{border-color:var(--primary);color:var(--primary)}
.act-btn.green{background:#10b981;color:#fff}
.act-btn.green:hover{background:#059669}
.act-btn.purple{background:#7c3aed;color:#fff}
.act-btn.purple:hover{background:#6d28d9}

/* ICON SEARCH */
/* ICON LIBRARY */
.icon-card{grid-column:1/-1}
.icon-count-badge{display:inline-block;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:.58rem;font-weight:700;padding:2px 8px;border-radius:20px;margin-left:6px;vertical-align:middle}
.icon-cat-tabs{display:flex;flex-wrap:wrap;gap:.3rem;margin-bottom:.65rem}
.icon-cat-btn{padding:.22rem .55rem;border-radius:20px;border:1.5px solid var(--border);background:var(--surface2);color:var(--text2);font-size:.63rem;font-weight:600;cursor:pointer;transition:all .18s;white-space:nowrap}
.icon-cat-btn:hover{border-color:var(--cat-color,var(--primary));color:var(--cat-color,var(--primary))}
.icon-cat-btn.active{background:var(--cat-color,var(--primary));border-color:var(--cat-color,var(--primary));color:#fff}
.icon-search-wrap{position:relative;flex:1}
.icon-dd{position:absolute;top:100%;left:0;right:0;background:var(--surface);border:1px solid var(--border);border-radius:10px;max-height:210px;overflow-y:auto;z-index:1000;display:none;box-shadow:0 8px 24px rgba(0,0,0,.12)}
.icon-dd.show{display:block}
.icon-opt{padding:.4rem .7rem;cursor:pointer;display:flex;align-items:center;gap:9px;border-bottom:1px solid var(--border);font-size:.73rem;color:var(--text2)}
.icon-opt:hover{background:var(--primary-light);color:var(--primary)}
.icon-opt i{width:20px;text-align:center;font-size:1rem}
.icon-grid-wrap{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:.3rem;max-height:200px;overflow-y:auto;padding:.3rem;background:var(--surface2);border:1px solid var(--border);border-radius:10px;margin-bottom:.55rem}
.icon-tile{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:8px;border:1.5px solid transparent;cursor:pointer;transition:all .15s;position:relative;font-size:1.05rem;background:var(--surface)}
.icon-tile:hover{border-color:var(--tile-color,var(--primary));background:var(--primary-light);transform:scale(1.12)}
.icon-tile.selected{border-color:var(--tile-color,var(--primary));background:var(--primary-light);box-shadow:0 0 0 2px var(--tile-color,var(--primary))}
.icon-tile i{color:var(--tile-color,var(--primary))}
.icon-tile[title]:hover::after{content:attr(title);position:absolute;bottom:calc(100% + 4px);left:50%;transform:translateX(-50%);background:#1e293b;color:#fff;font-size:.58rem;padding:3px 7px;border-radius:5px;white-space:nowrap;z-index:99;pointer-events:none}
.selected-icon-box{display:flex;align-items:center;gap:8px;background:var(--surface2);padding:.35rem .65rem;border-radius:8px;border:1.5px solid var(--border);width:100%}
.selected-icon-box #selectedIconDisplay{font-size:1.15rem;min-width:22px;text-align:center}


/* SAVE/FAVORITES */
.saved-grid{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.55rem}
.saved-item{display:flex;align-items:center;gap:7px;background:var(--surface2);border:1.5px solid var(--border);border-radius:9px;padding:.35rem .65rem;font-size:.7rem;cursor:pointer;transition:all .2s}
.saved-item:hover{border-color:var(--primary);color:var(--primary)}
.saved-del{color:var(--text3);font-size:.62rem;cursor:pointer;margin-left:3px}
.saved-del:hover{color:#ef4444}
.no-saved{font-size:.75rem;color:var(--text3);padding:.4rem 0}

/* SHAPE PRESETS */
.shape-presets{display:flex;flex-wrap:wrap;gap:.35rem}
.shape-preset-btn{padding:.25rem .6rem;border-radius:7px;border:1.5px solid var(--border);background:var(--surface2);font-size:.66rem;font-weight:600;cursor:pointer;color:var(--text2);transition:all .2s}
.shape-preset-btn:hover,.shape-preset-btn.active{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}

/* RIPPLE */
@keyframes ripple-out{0%{transform:scale(0);opacity:.5}100%{transform:scale(2.5);opacity:0}}
.ripple-dot{position:absolute;border-radius:50%;background:rgba(255,255,255,.35);animation:ripple-out .6s ease-out forwards;pointer-events:none}

/* BUTTON ANIMATIONS */
@keyframes btn-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.04)}}
@keyframes btn-bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes btn-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes btn-shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
@keyframes btn-glow{0%,100%{box-shadow:0 0 5px currentColor}50%{box-shadow:0 0 18px currentColor,0 0 32px currentColor}}

/* EDU / LEARN SECTION */
.edu-section{margin-top:1.25rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.35rem}
.edu-section h2{font-family:var(--font-head);font-size:1.25rem;font-weight:800;margin-bottom:.9rem}
.edu-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:.85rem;margin-bottom:1.25rem}
.edu-card{background:var(--surface2);border:1px solid var(--border);border-radius:.85rem;padding:1rem;transition:all .2s}
.edu-card:hover{border-color:var(--primary);transform:translateY(-2px)}
.edu-card .edu-icon{font-size:1.4rem;margin-bottom:.45rem;color:var(--primary)}
.edu-card h3{font-family:var(--font-head);font-size:.9rem;font-weight:700;margin-bottom:.35rem}
.edu-card p,.edu-card li{font-size:.8rem;color:var(--text2);line-height:1.6}
.edu-card ul{padding-left:.9rem}
.tip-box{background:var(--primary-light);border-left:3px solid var(--primary);padding:.45rem .7rem;border-radius:0 7px 7px 0;margin-top:.55rem;font-size:.76rem;color:var(--primary)}

/* FAQ */
.faq-section{margin-top:1.25rem}
.faq-head-wrap{display:flex;align-items:center;gap:10px;margin-bottom:1.1rem;flex-wrap:wrap}
.faq-head-wrap h2{font-family:var(--font-head);font-size:1.25rem;font-weight:800}
.faq-badge{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:.62rem;font-weight:700;padding:2px 9px;border-radius:20px;text-transform:uppercase;letter-spacing:.05em}
.faq-list{display:flex;flex-direction:column;gap:.55rem}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:13px;overflow:hidden;transition:all .25s}
.faq-item:hover,.faq-item.open{border-color:var(--primary);box-shadow:0 4px 18px rgba(37,99,235,.08)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:.9rem 1.1rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:10px;font-family:var(--font-head);font-size:.87rem;font-weight:700;color:var(--text)}
.faq-q-icon{width:26px;height:26px;border-radius:50%;flex-shrink:0;background:var(--surface3);border:1.5px solid var(--border);display:flex;align-items:center;justify-content:center;transition:all .25s;color:var(--text3);font-size:.68rem}
.faq-item.open .faq-q-icon{background:var(--primary);border-color:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-a{font-size:.81rem;color:var(--text2);line-height:1.65;max-height:0;overflow:hidden;transition:max-height .35s ease,padding .25s;padding:0 1.1rem}
.faq-item.open .faq-a{max-height:260px;padding:0 1.1rem 1rem}
.faq-num{width:24px;height:24px;border-radius:7px;flex-shrink:0;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:.68rem;font-weight:800;display:flex;align-items:center;justify-content:center}

/* HISTORY */
.history-section{margin-top:1.25rem}
.history-timeline{position:relative;padding-left:2.25rem}
.history-timeline::before{content:'';position:absolute;left:.6rem;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--primary),var(--accent));border-radius:2px}
.ht-item{position:relative;margin-bottom:1.75rem;display:flex;gap:1.1rem;align-items:flex-start}
.ht-item::before{content:'';position:absolute;left:-1.73rem;top:.55rem;width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));border:2px solid var(--surface);box-shadow:0 0 0 3px rgba(37,99,235,.12);flex-shrink:0}
.ht-year{font-family:var(--font-head);font-size:.74rem;font-weight:800;color:var(--primary);background:var(--primary-light);padding:2px 9px;border-radius:20px;white-space:nowrap;flex-shrink:0;border:1.5px solid rgba(37,99,235,.2);margin-top:.15rem;min-width:44px;text-align:center}
.ht-content h3{font-family:var(--font-head);font-size:.88rem;font-weight:700;margin-bottom:.3rem}
.ht-content p{font-size:.79rem;color:var(--text2);line-height:1.58;margin-bottom:.5rem}
.ht-content code{background:var(--surface3);padding:1px 5px;border-radius:4px;font-size:.73rem;color:var(--primary)}

/* SEO SECTION */

/* TOAST */
.toast{position:fixed;bottom:20px;right:20px;background:#1e293b;color:#a5f3c3;padding:7px 16px;border-radius:30px;font-size:.76rem;font-weight:600;opacity:0;transform:translateY(10px);transition:all .25s;z-index:10000;pointer-events:none}
.toast.show{opacity:1;transform:translateY(0)}

/* FOOTER */
footer{text-align:center;padding:1.35rem;font-size:.7rem;color:var(--text3);border-top:1px solid var(--border);margin-top:1.5rem}
footer a{color:var(--primary);text-decoration:none}

/* ============================================================
   RESPONSIVE - All breakpoints
   ============================================================ */
@media(max-width:768px){
  .controls-grid{grid-template-columns:1fr 1fr}
  .preview-sticky{position:relative;top:0}
  .edu-grid{grid-template-columns:1fr 1fr}
    }
@media(max-width:600px){
  .topbar{padding:.45rem .7rem}
  .page-wrap{padding:0 .5rem 2rem}
  .card{padding:.7rem .8rem}
  .cr label{width:76px}
  .preview-sticky{position:relative;top:0}
}
@media(max-width:480px){
  .topbar{padding:.4rem .6rem}
  .site-logo{font-size:.9rem}
  .pill-btn{padding:.25rem .55rem;font-size:.66rem}
  .tool-header h1{font-size:1.15rem}
  .tool-header p{font-size:.74rem}
  .tpl-bar{padding:.45rem .55rem;gap:.3rem}
  .tpl-btn{padding:.22rem .5rem;font-size:.62rem}
  .card{padding:.65rem .75rem}
  .card-title{font-size:.7rem}
  .cr label{width:66px;font-size:.67rem}
  .cr input:not([type=color]):not([type=range]),.cr select{font-size:.7rem;padding:.3rem .45rem}
  .act-btn{font-size:.67rem;padding:.35rem .5rem}
  .code-tab{padding:.22rem .45rem;font-size:.6rem}
  .live-area{min-height:150px}
  #codeEditor{font-size:.63rem;min-height:150px}
  .edu-grid{grid-template-columns:1fr}
    .controls-grid{grid-template-columns:1fr!important}
  .faq-q{font-size:.78rem;padding:.65rem 1rem}
  .faq-num{width:22px;height:22px;font-size:.6rem}
  .history-timeline{padding-left:1.75rem}
  .shape-presets{gap:.28rem}
  .shape-preset-btn{padding:.2rem .42rem;font-size:.6rem}
  .saved-grid{gap:.35rem}
  .saved-item{padding:.3rem .55rem;font-size:.68rem}
  .color-swatch{width:34px;height:34px}
  .action-row{gap:.3rem}
  }
@media(max-width:375px){
  .topbar-right{gap:.25rem}
  .hist-btn{padding:.22rem .4rem;font-size:.62rem}
  .dm-track{width:28px;height:15px}
  .dm-thumb{width:11px;height:11px}
  .color-row{gap:.3rem}
  .color-swatch{width:30px;height:30px;border-radius:7px}
  .action-row .act-btn{font-size:.62rem;padding:.3rem .4rem}
}
@media(hover:none) and (pointer:coarse){
  .pill-btn,.act-btn,.tpl-btn,.bg-tog,.device-tog,.shape-preset-btn,.faq-q,.hist-btn,.code-tab{min-height:40px;display:inline-flex;align-items:center;justify-content:center}
  .cr input:not([type=color]):not([type=range]),.cr select{min-height:40px}
  input[type=range]{height:26px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
@media(prefers-contrast:high){
  .card,.cr input,.cr select,.code-tab,.tpl-btn{border-width:2px}
}
@media print{
  .topbar,.ad-wrap,.action-row,.tpl-bar,.toolbar,.preview-controls,footer{display:none!important}
  .main-grid{grid-template-columns:1fr}
  .live-area{border:2px solid #000;min-height:200px}
}
@media(prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --surface:#1e293b;--surface2:#0f172a;--surface3:#1a2539;--border:#334155;
    --text:#f1f5f9;--text2:#94a3b8;--text3:#64748b;--shadow:0 4px 16px rgba(0,0,0,.3);--primary-light:#1e3a5f;
  }
}


{styles}

',
    css,
    '

' + generateCSS() + '