@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root{
  --bg:#f7fafb;
  --surface:#ffffff;
  --surface-soft:#f0fbfa;
  --text:#102034;
  --muted:#637083;
  --border:#dbe5ea;
  --accent:#0bb7aa;
  --accent-dark:#078c83;
  --accent-soft:#e8fbf8;
  --warning:#fff7e6;
  --warning-border:#f2d18b;
  --shadow:0 12px 34px rgba(15,36,49,.08);
  --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit}

.topbar{
  position:sticky;top:0;z-index:50;
  height:76px;
  display:grid;
  grid-template-columns:280px minmax(260px,540px) 1fr;
  align-items:center;
  gap:28px;
  padding:0 28px;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.brand{display:grid;grid-template-columns:auto 1fr;column-gap:10px;align-items:center}
.brand-mark{font-size:32px;color:var(--accent)}
.brand-text{font-size:22px;font-weight:700;white-space:nowrap}
.brand-text strong{color:var(--accent);font-weight:600}
.brand-subtitle{grid-column:2;font-size:12px;color:var(--muted)}
.search-wrap input{
  width:100%;border:1px solid var(--border);border-radius:14px;
  padding:13px 16px;background:#fbfdfe;color:var(--text);
}
.app-link{justify-self:end;color:#1c3d70;font-weight:600}

.layout{
  display:grid;
  grid-template-columns:300px minmax(0,1fr) 270px;
  min-height:calc(100vh - 76px);
}
.sidebar{border-right:1px solid var(--border);background:var(--surface)}
.sidebar-inner{position:sticky;top:76px;padding:28px 22px}
.sidebar-label{text-transform:uppercase;font-size:12px;font-weight:700;letter-spacing:.08em}
.category-nav details{border-radius:12px;margin-bottom:6px}
.category-nav summary{
  cursor:pointer;list-style:none;padding:12px 10px;font-weight:600;
}
.category-nav summary::-webkit-details-marker{display:none}
.category-nav a{
  display:block;padding:10px 14px 10px 28px;border-radius:10px;color:#33445a;font-size:14px;
}
.category-nav a.active{background:var(--accent-soft);color:var(--accent-dark);font-weight:700}
.support-card{
  margin-top:28px;padding:18px;border:1px solid #bfe9e4;border-radius:16px;background:linear-gradient(180deg,#f4fffd,#ecfaf8)
}
.support-card p{font-size:14px;color:var(--muted);line-height:1.6}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:11px 14px;font-weight:700}
.btn-primary{background:var(--accent-dark);color:#fff}

.content{padding:32px 40px 60px;min-width:0}
article{max-width:900px;margin:0 auto}
.breadcrumbs{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-bottom:16px}
.breadcrumbs a{color:var(--accent-dark)}
.article-header h1{font-size:38px;line-height:1.15;margin:0 0 12px}
.article-header p{color:var(--muted);font-size:17px;line-height:1.7}
.meta-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.chip{border:1px solid var(--border);border-radius:999px;padding:7px 11px;font-size:13px;background:#fff}
.chip.success{color:#087d69;background:#effcf8;border-color:#bce9df}

.steps{display:grid;gap:14px;margin-top:28px}
.step-card{
  border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);
  box-shadow:0 4px 16px rgba(17,42,55,.04);overflow:hidden
}
.step-card summary{
  cursor:pointer;list-style:none;display:grid;grid-template-columns:auto 1fr auto;
  align-items:center;gap:14px;padding:18px 20px;font-weight:700
}
.step-card summary::-webkit-details-marker{display:none}
.step-number{
  display:grid;place-items:center;width:34px;height:34px;border-radius:50%;
  background:var(--accent);color:white
}
.step-title{font-size:18px}
.chevron{font-size:22px;color:var(--muted);transition:.2s}
.step-card[open] .chevron{transform:rotate(180deg)}
.step-body{padding:0 20px 22px}
.step-body p{font-size:16px;line-height:1.75;color:#2a3c50}
.screenshot-card{
  margin:18px 0 0;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:#eef4f5
}
.screenshot-card img{width:100%;height:auto}
.screenshot-card.narrow img{max-width:720px;margin:auto}
.screenshot-card figcaption{padding:10px 14px;color:var(--muted);font-size:13px;background:#fff;border-top:1px solid var(--border)}
.note{padding:13px 15px;border-left:4px solid var(--accent);background:var(--accent-soft);border-radius:8px;color:#245047}

.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.info-card{border-radius:16px;padding:18px;border:1px solid var(--border);background:#fff}
.info-card h2{font-size:18px;margin:0 0 8px}
.info-card p{margin:0;color:var(--muted);line-height:1.65}
.info-card.tip{background:#f0fcf9;border-color:#bde8df}
.info-card.warning{background:var(--warning);border-color:var(--warning-border)}

.article-nav{display:flex;justify-content:space-between;gap:20px;margin-top:34px;padding-top:22px;border-top:1px solid var(--border)}
.article-nav a{display:flex;flex-direction:column;gap:5px;color:var(--accent-dark);font-weight:700}
.article-nav small{color:var(--muted);font-weight:400}
.article-nav .next{text-align:right}

.toc{padding:32px 24px 0 0}
.toc-card{position:sticky;top:108px;border:1px solid var(--border);border-radius:16px;background:#fff;padding:18px}
.toc-card strong{display:block;margin-bottom:12px}
.toc-card a{display:block;font-size:13px;color:var(--muted);padding:6px 0}

.icon-button{border:0;background:transparent;padding:6px}
.icon-button span{display:block;width:22px;height:2px;background:var(--text);margin:4px 0}
.mobile-only{display:none}
.overlay{position:fixed;inset:76px 0 0;background:rgba(4,17,25,.45);z-index:39}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

@media (max-width:1180px){
  .layout{grid-template-columns:270px minmax(0,1fr)}
  .toc{display:none}
}
@media (max-width:820px){
  .desktop-only{display:none!important}
  .mobile-only{display:inline-block}
  .topbar{
    grid-template-columns:auto 1fr auto;height:70px;padding:0 14px;gap:10px
  }
  .brand{justify-self:center}
  .brand-mark{font-size:26px}
  .brand-text{font-size:19px}
  .brand-subtitle{font-size:10px}
  .search-wrap{justify-self:end}
  .search-wrap input{width:42px;padding:10px;border-radius:50%;color:transparent}
  .search-wrap input::placeholder{color:transparent}
  .layout{display:block}
  .sidebar{
    position:fixed;z-index:40;top:70px;bottom:0;left:0;width:min(86vw,340px);
    transform:translateX(-104%);transition:.25s;box-shadow:var(--shadow);overflow:auto
  }
  .sidebar.open{transform:translateX(0)}
  .sidebar-inner{position:static;padding:20px}
  .content{padding:22px 14px 44px}
  .breadcrumbs{font-size:12px}
  .article-header h1{font-size:29px}
  .article-header p{font-size:15px}
  .step-card summary{padding:16px}
  .step-title{font-size:16px}
  .step-body{padding:0 16px 18px}
  .step-body p{font-size:15px}
  .info-grid{grid-template-columns:1fr}
  .article-nav{gap:10px}
}
@media (max-width:520px){
  .brand-mark{display:none}
  .article-header h1{font-size:26px}
  .meta-chips{gap:7px}
  .chip{font-size:12px}
  .step-number{width:30px;height:30px}
  .article-nav{flex-direction:column}
  .article-nav .next{text-align:left}
}

/* v4 focused responsive screenshots */
.layout{grid-template-columns:280px minmax(0,1fr) 240px}
.content{padding:32px 30px 60px}
article{max-width:1080px}
.article-header h1{font-size:38px}
.article-header p{font-size:17px}
.step-title{font-size:18px}
.step-body p{font-size:16px}

.screenshot-card{
  margin-top:18px;
  padding:18px;
  background:#eef5f6;
  border-radius:16px;
}
.screenshot-card img{
  display:block;
  width:auto;
  max-width:100%;
  height:auto;
  max-height:720px;
  margin:0 auto;
  object-fit:contain;
  border-radius:12px;
  cursor:zoom-in;
  box-shadow:0 10px 28px rgba(7,27,38,.12);
}
.screenshot-card figcaption{
  padding:12px 2px 0;
  font-size:13px;
  text-align:center;
  border:0;
  background:transparent;
}
.image-hint{
  display:none;
  margin:8px 0 0;
  text-align:center;
  color:var(--muted);
  font-size:13px;
}

.lightbox{
  position:fixed;
  inset:0;
  z-index:1000;
  display:none;
  align-items:center;
  justify-content:center;
  padding:14px;
  background:#07131b;
  overflow:auto;
  touch-action:pan-x pan-y pinch-zoom;
}
.lightbox.open{display:flex}
.lightbox img{
  display:block;
  width:auto;
  height:auto;
  max-width:none;
  max-height:none;
  min-width:min(900px, 94vw);
  object-fit:contain;
}
.lightbox button{
  position:fixed;
  top:12px;
  right:12px;
  z-index:1001;
  width:44px;
  height:44px;
  border:0;
  border-radius:50%;
  color:#fff;
  background:rgba(255,255,255,.18);
  font-size:28px;
}
@media (max-width:1180px){
  .layout{grid-template-columns:250px minmax(0,1fr)}
  .toc{display:none}
}
@media (max-width:820px){
  .content{padding:20px 12px 42px}
  article{max-width:none}
  .article-header h1{font-size:28px}
  .article-header p{font-size:15px}
  .step-card summary{padding:15px 13px}
  .step-body{padding:0 10px 16px}
  .step-body p{font-size:15px}
  .screenshot-card{
    width:100%;
    margin:14px 0 0;
    padding:8px;
    background:#eaf2f3;
    border-radius:12px;
  }
  .screenshot-card img{
    width:100%;
    max-width:100%;
    max-height:none;
    margin:0;
    border-radius:9px;
    box-shadow:none;
  }
  .image-hint{display:block}
  .info-grid{grid-template-columns:1fr}
  .lightbox{
    display:none;
    align-items:flex-start;
    justify-content:flex-start;
    padding:62px 10px 20px;
    overflow:auto;
  }
  .lightbox.open{display:block}
  .lightbox img{
    width:auto;
    min-width:1200px;
    max-width:none;
    height:auto;
    margin:0;
  }
}
@media (max-width:520px){
  .article-header h1{font-size:25px}
  .step-title{font-size:16px}
  .step-number{width:30px;height:30px}
}


/* v10 — professional mobile UI replicas; no screenshot background on phones */
.mobile-only-ui{display:none}
@media (max-width:820px){
  body{background:#fff}
  .content{padding:20px 12px 44px}
  .article-header h1{font-size:29px;line-height:1.18}
  .article-header p{font-size:15px}
  .screenshot-card{display:none!important}
  .mobile-only-ui{display:block}
  .step-card{border-radius:16px;box-shadow:0 8px 24px rgba(15,42,54,.06)}
  .step-card summary{padding:16px 14px}
  .step-body{padding:0 12px 18px}
  .step-body>p{font-size:15px;line-height:1.65}
  .mobile-demo{margin-top:14px;background:#fff;border:1px solid #dbe5ea;border-radius:16px;padding:16px;overflow:hidden;box-shadow:0 10px 26px rgba(15,42,54,.07)}
  .mobile-demo-brand{display:flex;align-items:center;justify-content:center;gap:8px;font-size:18px;font-weight:700;margin-bottom:16px;color:#102034}
  .mobile-demo-brand strong{color:#0bb7aa;font-weight:600}
  .mini-mark{display:grid;place-items:center;width:34px;height:34px;border:2px solid #0bb7aa;border-radius:9px;color:#0bb7aa;font-size:19px}
  .mobile-tabs{display:grid;grid-template-columns:1fr 1fr;background:#eaf2f4;border-radius:12px;padding:4px;margin-bottom:16px}
  .mobile-tabs span{padding:10px;text-align:center;border-radius:9px;color:#526073;font-size:14px}
  .mobile-tabs .active{background:#fff;color:#102034;font-weight:700;box-shadow:0 2px 8px rgba(0,0,0,.08);outline:2px solid rgba(11,183,170,.18)}
  .focus-note,.focus-line{display:flex;align-items:center;gap:8px;color:#087f76;font-size:13px;font-weight:700;margin:0 0 12px}
  .focus-note span,.focus-line span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:#0bb7aa;color:#fff}
  .ghost-field,.demo-input{height:42px;border:1px solid #d6e1e6;border-radius:10px;background:#fff;margin:7px 0 13px;box-shadow:inset 0 1px 2px rgba(0,0,0,.02)}
  .ghost-field{background:linear-gradient(90deg,#fff,#f7fafb)}
  .ghost-button,.demo-button{display:flex;align-items:center;justify-content:center;min-height:44px;border-radius:10px;background:#0bb7aa;color:#fff;font-size:14px;font-weight:700;text-align:center;padding:10px 14px}
  .mobile-form-step label{display:block;font-size:13px;font-weight:700;color:#253448;margin-top:4px}
  .mobile-form-step label b{color:#e44}
  .demo-input.filled{display:flex;align-items:center;padding:0 12px;color:#24384a;font-size:14px}
  .demo-help{margin:-6px 0 14px!important;color:#758295!important;font-size:12px!important}
  .demo-button.emphasis{box-shadow:0 0 0 4px rgba(11,183,170,.14)}
  .focus-line{justify-content:center;margin:12px 0 0}
  .mobile-message-step{padding:14px;background:#f7fbfc}
  .message-card{background:#fff;border:1px solid #dbe5ea;border-radius:14px;padding:16px}
  .message-card h3,.email-shell h3{margin:0 0 9px;font-size:18px;line-height:1.35}
  .message-card p,.email-shell p{margin:0 0 14px;font-size:14px;line-height:1.6;color:#566477}
  .email-row{padding:12px;background:#f2f7f8;border-radius:10px;font-size:13px;color:#647286;margin-bottom:14px}
  .email-row strong{display:block;margin-top:4px;color:#102034;overflow-wrap:anywhere}
  .button-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .demo-button.small{min-height:40px}
  .secondary-button{display:flex;align-items:center;justify-content:center;min-height:40px;border-radius:10px;background:#eaf2f4;color:#263749;font-size:12px;font-weight:700;text-align:center;padding:8px}
  .mobile-email-step{padding:0;background:#fff}
  .email-shell{padding:20px;background:#fff}
  .email-shell h3{font-size:20px}
  .email-button{width:max-content;max-width:100%;margin:6px 0 18px;padding:12px 18px}
  .email-foot{font-size:12px!important;color:#8792a2!important;margin-bottom:0!important}
  .mobile-dashboard-step{padding:14px;background:#f8fbfc}
  .dashboard-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
  .dashboard-top h3{margin:0;font-size:22px}.dashboard-top p{margin:3px 0 0;color:#6c7888;font-size:13px}
  .mini-action{padding:9px 10px;border-radius:9px;background:#0bb7aa;color:#fff;font-size:11px;font-weight:700;white-space:nowrap}
  .package-card,.public-link-card,.setup-alert{background:#fff;border:1px solid #dbe5ea;border-radius:12px;padding:13px;margin-top:10px}
  .package-card{border-color:#aee7df;background:#f0fcfa}.package-card strong,.package-card small{display:block}.package-card strong{font-size:13px}.package-card small{margin-top:5px;color:#637083;font-size:11px}
  .public-link-card small{display:block;color:#718092;font-size:10px;margin-bottom:6px}.public-link-card strong{display:block;font-size:12px;overflow-wrap:anywhere}
  .setup-alert{border-color:#f0cf86;background:#fffaf0}.setup-alert strong,.setup-alert span{display:block}.setup-alert strong{font-size:13px;color:#8a4c18}.setup-alert span{font-size:11px;color:#9a6b44;margin-top:5px;line-height:1.45}
}



/* v11 — strict desktop/mobile separation */
.mobile-only-ui{display:none}

@media (min-width:821px){
  .screenshot-card{display:block!important}
  .mobile-only-ui{display:none!important}
}

@media (max-width:820px){
  .screenshot-card{display:none!important}
  .mobile-only-ui{display:block!important}
}

/* v12 — step 6 desktop: full uncropped dashboard */
@media (min-width:821px){
  .dashboard-full{
    padding:14px;
    overflow:visible;
  }
  .dashboard-full img{
    display:block;
    width:100% !important;
    max-width:100% !important;
    height:auto !important;
    max-height:none !important;
    object-fit:contain !important;
    object-position:center !important;
    margin:0 auto !important;
  }
}