/* apibacklinks.com — landing + account + header chips. Uses existing design tokens. */
.mono{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
.muted{color:var(--c-text-muted)}

/* landing: no app sidebar — full marketing page, centered */
body.lp-nosb{overflow-x:hidden}
body.lp-nosb .sidebar,body.lp-nosb .scrim,body.lp-nosb .nav-toggle{display:none!important}
body.lp-nosb .page-with-sidebar{margin-left:0}
body.lp-nosb .page-wrapper{max-width:1180px}
.app-brand .brand-lockup{height:24px;width:auto;display:block;filter:none!important}
.app-brand .brand-dark{display:none}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .app-brand .brand-light{display:none}:root:not([data-theme="light"]) .app-brand .brand-dark{display:block}}
:root[data-theme="dark"] .app-brand .brand-light{display:none}
:root[data-theme="dark"] .app-brand .brand-dark{display:block}
@media(max-width:900px){body.lp-nosb .app-brand{width:auto}}

/* ---- header brand + account chips ---- */
.app-brand span em{font-style:normal;font-weight:800;margin-left:5px;padding:2px 6px;border-radius:6px;
  background:var(--grad-brand);color:#fff;font-size:11px;letter-spacing:.04em;vertical-align:middle}
.app-header__right{display:flex;align-items:center;gap:10px}
.bal-chip{display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border-radius:var(--r-pill);
  background:var(--c-green-light);color:var(--c-green-ink);font-weight:700;font-size:13px;text-decoration:none;
  border:1px solid transparent}
.bal-chip:hover{border-color:var(--c-green)}
.acct-chip{display:inline-flex;align-items:center;gap:8px;padding:5px 12px 5px 5px;border-radius:var(--r-pill);
  background:var(--c-surface-2);border:1px solid var(--c-border);color:var(--c-text);font-weight:600;font-size:13px;text-decoration:none}
.acct-chip:hover{border-color:var(--c-primary);box-shadow:var(--shadow-xs)}
.acct-chip img{border-radius:50%;object-fit:cover}
.btn-signin{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-border-dark);color:var(--c-text);font-weight:600;font-size:13px;text-decoration:none}
.btn-signin:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-cta-sm{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:13px;text-decoration:none;box-shadow:var(--shadow-brand)}
.btn-cta-sm:hover{filter:brightness(1.05)}

/* ---- shared buttons ---- */
.btn-cta{display:inline-flex;align-items:center;gap:9px;padding:13px 22px;border-radius:var(--r-lg);
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:15px;text-decoration:none;border:none;cursor:pointer;
  box-shadow:var(--shadow-brand);transition:transform .15s var(--ease),filter .15s var(--ease)}
.btn-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-cta--lg{padding:16px 30px;font-size:17px;border-radius:var(--r-xl)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:var(--r-lg);
  background:var(--c-surface);color:var(--c-text);font-weight:600;font-size:15px;text-decoration:none;
  border:1px solid var(--c-border-dark);transition:all .15s var(--ease)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--shadow-xs)}
.btn-ghost--full{width:100%;justify-content:center;margin-top:12px;padding:10px;font-size:13px}

/* ---- landing hero ---- */
.lp-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  padding:48px 0 36px;position:relative}
.lp-hero::before{content:"";position:absolute;z-index:-1;pointer-events:none;
  top:-72px;height:520px;left:calc(-50vw + 50%);right:calc(-50vw + 50%);
  background:var(--grad-hero)}
.lp-hero__text h1{font-family:var(--font-display);font-size:clamp(30px,4.2vw,50px);line-height:1.04;
  letter-spacing:-.02em;margin:14px 0 0;font-weight:800}
.lp-hero__text .grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.lp-lead{font-size:17px;line-height:1.6;color:var(--c-text-secondary);max-width:30em;margin:16px 0 24px}
.lp-lead b{color:var(--c-text)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;color:var(--c-primary);background:var(--c-primary-light);padding:6px 12px;border-radius:var(--r-pill)}
.lp-cta{display:flex;gap:12px;flex-wrap:wrap}
.lp-trust{list-style:none;padding:0;display:flex;gap:18px;flex-wrap:wrap;margin:22px 0 0;color:var(--c-text-secondary);font-size:13.5px;font-weight:500}
.lp-trust li{display:inline-flex;align-items:center;gap:7px}
.lp-trust i{color:var(--c-primary)}

/* code window */
.code-win{background:var(--c-dark);border:1px solid var(--c-dark-soft);border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--shadow-lg)}
.code-win__bar{display:flex;align-items:center;gap:7px;padding:12px 16px;background:var(--c-dark-mid);
  border-bottom:1px solid var(--c-dark-soft)}
.code-win__bar i{width:11px;height:11px;border-radius:50%;background:#ff5f56;display:inline-block}
.code-win__bar i:nth-child(2){background:#ffbd2e}.code-win__bar i:nth-child(3){background:#27c93f}
.code-win__bar span{margin-left:8px;color:#8595a9;font-size:12px;font-family:ui-monospace,monospace}
.code-win__body{margin:0;padding:18px;color:#d7e0ec;font:13.5px/1.7 ui-monospace,Menlo,Consolas,monospace;white-space:pre-wrap;word-break:break-all}
.code-win .c-cmt{color:#5d7089}.code-win .c-cmd{color:#27c93f}.code-win .c-key{color:#38b6f0}.code-win .c-str{color:#fbbf24}

/* section head */
.lp-sec-head{text-align:center;max-width:640px;margin:0 auto 26px}
.lp-sec-head h2{font-family:var(--font-display);font-size:clamp(23px,3vw,32px);letter-spacing:-.015em;margin:0 0 8px;font-weight:800}
.lp-sec-head p{color:var(--c-text-secondary);font-size:15.5px;margin:0}
.pill-free{font-family:Inter,system-ui;font-size:12px;font-weight:700;vertical-align:middle;margin-left:8px;
  padding:4px 10px;border-radius:var(--r-pill);background:var(--c-green-light);color:var(--c-green-ink)}
.lp-stats{margin:8px 0 44px}
.lp-stats .stat-card__value{white-space:nowrap;font-variant-numeric:tabular-nums;font-size:clamp(20px,2.3vw,27px);line-height:1.1}
.lp-stats .stat-card{min-width:0}.lp-stats .stat-card>div{min-width:0}
section[class^="lp-"]{margin-bottom:56px}

/* playground */
.play-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-xl);
  box-shadow:var(--shadow-md);overflow:hidden}
.play-controls{display:flex;gap:12px;flex-wrap:wrap;align-items:end;padding:18px 18px 16px;
  border-bottom:1px solid var(--c-hair);background:var(--c-surface-2)}
.play-field{display:flex;flex-direction:column;gap:5px}
.play-field span{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--c-text-muted)}
.play-field--grow{flex:1;min-width:200px}
.play-field select,.play-field input{padding:10px 12px;border-radius:var(--r);border:1px solid var(--c-border-dark);
  background:var(--c-surface);color:var(--c-text);font-size:14px;min-width:220px}
.play-field input{width:100%}
.play-field select:focus,.play-field input:focus{outline:none;border-color:var(--c-primary);box-shadow:var(--ring)}
.play-controls .btn-cta{padding:11px 20px;font-size:14px}
.play-io{display:grid;grid-template-columns:1fr 1fr;gap:0}
.play-req{padding:16px 18px;border-right:1px solid var(--c-hair);min-width:0}
.play-req__row{display:flex;align-items:center;gap:8px}
.play-req__row .mono{font-size:12.5px;color:var(--c-primary);word-break:break-all;flex:1}
.play-curl{margin-top:12px;padding:12px 14px;background:var(--c-surface-3);border-radius:var(--r);
  font-size:12.5px;color:var(--c-text-secondary);word-break:break-all}
.play-out{margin:0;padding:16px 18px;background:var(--c-dark);color:#cfe0f2;font-size:12.5px;line-height:1.55;
  max-height:360px;overflow:auto;white-space:pre-wrap;word-break:break-word}
.copy-btn{border:none;background:transparent;color:var(--c-text-muted);cursor:pointer;padding:6px;border-radius:6px}
.copy-btn:hover{color:var(--c-primary);background:var(--c-primary-light)}
.copy-btn--inline{margin-top:10px;font-size:12.5px;color:var(--c-primary)}

/* endpoints */
.ep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ep-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:20px;
  transition:all .15s var(--ease)}
.ep-card:hover{border-color:var(--c-primary-high);box-shadow:var(--shadow);transform:translateY(-2px)}
.ep-card__ic{width:42px;height:42px;border-radius:var(--r);display:grid;place-items:center;margin-bottom:12px;
  background:var(--grad-brand-soft);color:var(--c-primary);font-size:18px}
.ep-card h3{margin:0 0 6px;font-size:15px;font-family:ui-monospace,monospace;color:var(--c-text)}
.ep-card p{margin:0;font-size:13.5px;line-height:1.5;color:var(--c-text-secondary)}
.ep-more{text-align:center;margin-top:24px}

/* pricing */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
.price-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-xl);padding:26px 24px;
  position:relative;box-shadow:var(--shadow-sm)}
.price-card--hero{border-color:var(--c-primary-high);box-shadow:var(--shadow-brand);
  background:linear-gradient(180deg,var(--c-primary-light),var(--c-surface) 60%)}
.price-badge{position:absolute;top:-11px;left:24px;background:var(--grad-brand);color:#fff;font-size:11.5px;
  font-weight:700;letter-spacing:.03em;padding:5px 12px;border-radius:var(--r-pill);text-transform:uppercase}
.price-amt{font-family:var(--font-display);font-size:40px;font-weight:800;letter-spacing:-.02em;line-height:1}
.price-sub{color:var(--c-text-secondary);font-size:14px;margin:6px 0 16px}
.price-card ul{list-style:none;padding:0;margin:0 0 20px;display:flex;flex-direction:column;gap:10px}
.price-card li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-text)}
.price-card li i{color:var(--c-green);font-size:13px}
.price-card .btn-cta,.price-card .btn-ghost{width:100%;justify-content:center}

/* final cta */
.lp-final{text-align:center;padding:52px 24px;background:var(--grad-brand-soft);border:1px solid var(--c-border);
  border-radius:var(--r-xl)}
.lp-final h2{font-family:var(--font-display);font-size:clamp(24px,3vw,34px);margin:0 0 8px;font-weight:800;letter-spacing:-.015em}
.lp-final p{color:var(--c-text-secondary);font-size:16px;margin:0 0 22px}

/* ---- account ---- */
.acct-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:8px 0 22px}
.acct-id{display:flex;align-items:center;gap:16px}
.acct-id img{border-radius:50%;object-fit:cover}
.acct-id h1{margin:0;font-size:24px;font-family:var(--font-display);font-weight:800}
.acct-email{color:var(--c-text-muted);font-size:14px;margin-top:2px}
.acct-welcome{display:flex;align-items:center;gap:10px;padding:14px 18px;border-radius:var(--r-lg);margin-bottom:18px;
  background:var(--c-green-light);color:var(--c-green-ink);font-size:15px;font-weight:600}
.acct-note{padding:12px 16px;border-radius:var(--r);background:var(--c-primary-light);color:var(--c-primary-strong);
  font-size:14px;margin-bottom:16px}
.acct-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:16px}
.acct-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:20px;
  box-shadow:var(--shadow-sm);margin-bottom:16px}
.acct-card__label{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;text-transform:uppercase;
  letter-spacing:.04em;color:var(--c-text-muted);margin-bottom:14px}
.acct-card__label i{color:var(--c-primary)}
.acct-balance__amt{font-family:var(--font-display);font-size:38px;font-weight:800;line-height:1;color:var(--c-text)}
.acct-balance__sub{color:var(--c-text-secondary);font-size:13px;margin:6px 0 14px}
.acct-balance__bar{height:7px;border-radius:var(--r-pill);background:var(--c-surface-3);overflow:hidden}
.acct-balance__bar span{display:block;height:100%;background:var(--grad-brand)}
.key-row{display:flex;align-items:center;gap:8px}
.key-val{flex:1;padding:10px 12px;background:var(--c-surface-3);border-radius:var(--r);font-size:13px;
  word-break:break-all;color:var(--c-text)}
.usage-nums{display:flex;gap:24px;margin-bottom:14px}
.usage-nums b{font-family:var(--font-display);font-size:26px;font-weight:800;display:block;line-height:1}
.usage-nums span{font-size:12.5px;color:var(--c-text-muted)}
.usage-by{display:flex;flex-direction:column;gap:7px}
.usage-by__row{display:flex;justify-content:space-between;font-size:13px;color:var(--c-text-secondary)}
.acct-quick .play-out{max-height:none;margin-top:10px;border-radius:var(--r)}

/* how it works */
.steps-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:step}
.step-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:24px;position:relative}
.step-n{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--grad-brand);color:#fff;font-weight:800;margin-bottom:12px}
.step-card h3{margin:0 0 6px;font-size:16px}.step-card p{margin:0;font-size:14px;color:var(--c-text-secondary);line-height:1.5}

/* code tabs */
.code-tabs{background:var(--c-dark);border:1px solid var(--c-dark-soft);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.code-tabs__bar{display:flex;gap:2px;padding:10px 12px 0;background:var(--c-dark-mid);border-bottom:1px solid var(--c-dark-soft)}
.ct-tab{background:transparent;border:none;color:#8595a9;font:600 13px Inter,system-ui;padding:9px 16px;border-radius:8px 8px 0 0;cursor:pointer}
.ct-tab:hover{color:#d7e0ec}.ct-tab.is-active{color:#fff;background:var(--c-dark)}
.code-tabs__body{margin:0;padding:18px 20px;color:#d7e0ec;font:13px/1.7 ui-monospace,Menlo,Consolas,monospace;white-space:pre-wrap;word-break:break-word;min-height:120px}
.code-tabs .copy-btn--inline{position:absolute;top:12px;right:12px;color:#8595a9}

/* comparison */
.cmp-wrap{overflow-x:auto;border:1px solid var(--c-border);border-radius:var(--r-xl);box-shadow:var(--shadow-sm)}
.cmp-table{width:100%;border-collapse:collapse;background:var(--c-surface);min-width:520px}
.cmp-table th,.cmp-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--c-hair);font-size:14.5px}
.cmp-table thead th{font-size:13px;color:var(--c-text-muted);text-transform:uppercase;letter-spacing:.03em}
.cmp-table td:first-child{color:var(--c-text-secondary)}
.cmp-table .cmp-us{background:var(--c-primary-light);color:var(--c-text)}
.cmp-table thead .cmp-us{color:var(--c-primary);font-weight:800}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table .fa-check{color:var(--c-green)}
.cmp-note{text-align:center;color:var(--c-text-muted);font-size:12.5px;margin-top:12px}

/* use cases */
.uses-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.use-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:22px;text-align:left}
.use-card i{font-size:22px;color:var(--c-primary);margin-bottom:12px}
.use-card h3{margin:0 0 6px;font-size:15.5px}.use-card p{margin:0;font-size:13.5px;color:var(--c-text-secondary);line-height:1.5}

/* faq */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:16px 20px;font-weight:600;font-size:15.5px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--c-text-muted);transition:transform .2s var(--ease);font-size:13px}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-a{padding:0 20px 18px;color:var(--c-text-secondary);font-size:14.5px;line-height:1.6}

@media(max-width:900px){
  .lp-hero{grid-template-columns:1fr}
  .ep-grid,.price-grid,.acct-grid,.steps-grid,.uses-grid{grid-template-columns:1fr}
  .play-io{grid-template-columns:1fr}
  .play-req{border-right:none;border-bottom:1px solid var(--c-hair)}
}
@media(max-width:700px){.uses-grid{grid-template-columns:1fr 1fr}}

/* ---- alternative pages + hubs ---- */
.alt-main{max-width:880px;margin:0 auto}
.crumbs{font-size:13px;color:var(--c-text-muted);margin:6px 0 18px}
.crumbs a{color:var(--c-text-secondary);text-decoration:none}.crumbs a:hover{color:var(--c-primary)}
.alt-head h1{font-family:var(--font-display);font-size:clamp(26px,4vw,40px);line-height:1.08;letter-spacing:-.02em;margin:10px 0 0;font-weight:800}
.alt-head .grad{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.alt-sub{font-size:16.5px;color:var(--c-text-secondary);line-height:1.55;margin:14px 0 20px;max-width:46em}
.alt-live{background:var(--c-dark);border-radius:var(--r-xl);padding:18px 20px;margin:24px 0 8px;color:#cfe0f2;box-shadow:var(--shadow-md)}
.alt-live__h{font-weight:700;font-size:13.5px;color:#8fd0ff;display:flex;align-items:center;gap:8px;margin-bottom:12px}
.alt-live__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.alt-live__grid b{font-family:var(--font-display);font-size:30px;display:block;line-height:1;color:#fff}
.alt-live__grid span{font-size:12px;color:#8595a9}
.alt-live__cta{margin-top:14px;font-size:12.5px;color:#aeb6c6}
.alt-live__cta code,.alt-body code,.alt-main code{background:#ffffff14;color:#8fd0ff;padding:1px 6px;border-radius:5px;font-size:12.5px}
.alt-body{font-size:16.5px;line-height:1.7;color:var(--c-text);margin:24px 0}
.alt-body p{margin:0 0 15px}.alt-body code{background:var(--c-surface-3);color:var(--c-primary)}
.alt-article h2{font-family:var(--font-display);font-size:23px;letter-spacing:-.01em;margin:34px 0 14px;font-weight:800}
.alt-why{list-style:none;padding:0;margin:0 0 10px;display:flex;flex-direction:column;gap:11px}
.alt-why li{display:flex;gap:11px;align-items:flex-start;font-size:15.5px;line-height:1.5}
.alt-why li i{color:var(--c-green);margin-top:4px}
.alt-article .cmp-table code{background:var(--c-surface-3)}
.alt-sibs{margin:30px 0 10px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px}
.alt-sibs span{color:var(--c-text-muted);font-weight:600}
.alt-sibs a{padding:5px 12px;border:1px solid var(--c-border);border-radius:var(--r-pill);color:var(--c-text-secondary);text-decoration:none}
.alt-sibs a:hover{border-color:var(--c-primary);color:var(--c-primary)}
.alt-article pre.play-out{max-height:none;border-radius:var(--r)}
/* hubs */
.hub-nav{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 26px}
.hub-nav a{padding:8px 14px;border:1px solid var(--c-border);border-radius:var(--r-pill);background:var(--c-surface);color:var(--c-text);text-decoration:none;font-size:13.5px;font-weight:600}
.hub-nav a:hover{border-color:var(--c-primary);color:var(--c-primary)}
.hub-sec{margin:0 0 34px}
.hub-sec h2{font-family:var(--font-display);font-size:22px;margin:0 0 16px;font-weight:800;display:flex;align-items:center;gap:10px}
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.hub-card{display:flex;flex-direction:column;gap:4px;padding:15px 16px;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);text-decoration:none;transition:all .15s var(--ease)}
.hub-card:hover{border-color:var(--c-primary-high);box-shadow:var(--shadow);transform:translateY(-2px)}
.hub-card__b{font-weight:700;font-size:14.5px;color:var(--c-text)}
.hub-card__d{font-size:12.5px;color:var(--c-text-muted);line-height:1.4}
@media(max-width:800px){.hub-grid{grid-template-columns:1fr 1fr}.alt-live__grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:560px){.hub-grid{grid-template-columns:1fr}}