:root{color-scheme:dark;--bg:#0d1614;--surface:#172520;--surface-2:#1d2f28;--ink:#edf8f1;--soft:#a9bcb3;--line:#294038;--green:#7bd5ac;--warn:#e8b95e;--warn-ink:#3a2c10;--danger:#ef8d83;--font:"Aptos","Segoe UI",system-ui,sans-serif}
[data-theme=light]{color-scheme:light;--bg:#f3f8f5;--surface:#fff;--surface-2:#eef4f0;--ink:#17302b;--soft:#50685e;--line:#d8e5de;--green:#236e63;--warn:#a3660f;--warn-ink:#fff7e8;--danger:#a95750}
*{box-sizing:border-box}
body{margin:0;min-width:320px;background:var(--bg);color:var(--ink);font:16px/1.65 var(--font);transition:background .2s ease,color .2s ease}
main{width:min(1180px,100%);margin:0 auto;padding:clamp(20px,5vw,56px) 18px 90px}
img{display:block}

/* header (matches /privacy/) */
header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;color:var(--ink);font-size:22px;font-weight:760;text-decoration:none;letter-spacing:-.05em}
.brand-mark{position:relative;width:29px;height:29px;display:inline-grid;place-items:center;overflow:hidden;border:1px solid color-mix(in srgb,var(--line) 86%,transparent);border-radius:10px;color:var(--green);background:color-mix(in srgb,var(--surface) 54%,transparent);box-shadow:inset 0 1px 0 color-mix(in srgb,var(--ink) 15%,transparent),0 7px 18px rgba(3,15,11,.1);backdrop-filter:blur(12px) saturate(120%);-webkit-backdrop-filter:blur(12px) saturate(120%)}
.brand-mark::after{content:"";position:absolute;inset:4px;background:currentColor;-webkit-mask:url('/icons/chart-no-axes-combined.svg') center/contain no-repeat;mask:url('/icons/chart-no-axes-combined.svg') center/contain no-repeat}
#theme-toggle,.back{min-height:45px;padding:0 16px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:var(--surface);font:inherit;cursor:pointer}
#theme-toggle:hover,.back:hover{border-color:var(--green)}
#theme-toggle:focus-visible,.back:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--green);outline-offset:3px}

h1{margin:44px 0 10px;font-size:clamp(32px,5.6vw,58px);line-height:1.06;letter-spacing:-.06em}
h1 span{color:var(--green)}
.lede{margin:0 0 28px;max-width:66ch;color:var(--soft);font-size:16px}

/* search */
.search-box{position:relative;margin:0 0 26px}
.search-box input{width:100%;min-height:48px;padding:0 16px 0 42px;border:1px solid var(--line);border-radius:13px;color:var(--ink);background:var(--surface);font:inherit}
.search-box input::placeholder{color:var(--soft)}
.search-box img{position:absolute;left:12px;top:50%;transform:translateY(-50%);opacity:.65}
/* role="status": the box itself stays rendered (empty, zero height) so screen readers announce the text when it appears */
.search-empty{margin:0;color:var(--soft);font-size:14px}
.search-empty>span{display:none}
.search-empty.is-visible{margin:10px 0 0;padding:14px 16px;border:1px dashed var(--line);border-radius:12px}
.search-empty.is-visible>span{display:inline}

/* two-column layout */
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:clamp(20px,3vw,48px);align-items:start}
.toc{position:sticky;top:18px;max-height:calc(100dvh - 36px);overflow:auto;padding-right:6px;border:0}
.toc > summary{list-style:none;margin:0 0 10px;padding:2px;font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--soft);font-weight:700;cursor:default;pointer-events:none}
.toc > summary::-webkit-details-marker{display:none}
.toc > summary img{display:none}
.toc-list{margin:0;padding:0;list-style:none;display:grid;gap:2px}
.toc-list ul{margin:2px 0 8px 10px;padding:0 0 0 8px;list-style:none;display:grid;gap:1px;border-left:1px solid var(--line)}
.toc-list li{break-inside:avoid}
.toc-list a{display:block;padding:7px 10px;border-radius:9px;color:var(--soft);text-decoration:none;font-size:14px;line-height:1.35}
.toc-list > li > a{color:var(--ink);font-weight:650}
.toc-list ul a{padding:5px 10px;font-size:13.5px}
.toc-list a:hover{color:var(--ink);background:var(--surface)}
.toc-list a[aria-current="true"]{color:var(--green);background:color-mix(in srgb,var(--green) 14%,transparent)}
/* the contents box scrolls (and so clips), so its links carry the focus ring inside */
.toc-list a:focus-visible{outline-offset:-3px}

.guide{min-width:0}
.guide-section{padding:26px 0;border-top:1px solid var(--line);scroll-margin-top:18px}
.guide-section:first-child{border-top:0;padding-top:0}
.guide-section h2{margin:0 0 6px;font-size:24px;letter-spacing:-.03em;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.guide-section .tag{font-size:11px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--soft);letter-spacing:.02em;font-weight:650;white-space:nowrap}
.guide-section .tag--pro{color:var(--green);border-color:color-mix(in srgb,var(--green) 45%,var(--line))}
.guide-section > p{margin:0 0 14px;color:var(--soft)}
.guide-section p{margin:0 0 14px}
.guide-section ul,.guide-section ol.steps{margin:0 0 14px;padding-left:22px;color:var(--ink)}
.guide-section ul{color:var(--soft)}
.guide-section li+li{margin-top:6px}
.guide-section h3{margin:22px 0 8px;font-size:17px;letter-spacing:-.02em}
.guide-section a{color:var(--green);text-underline-offset:3px}

ol.steps{list-style:none;margin:0 0 16px;padding:0;counter-reset:step;display:grid;gap:10px}
ol.steps > li{position:relative;margin:0;padding:12px 14px 12px 46px;border:1px solid var(--line);border-radius:13px;background:var(--surface);color:var(--ink);counter-increment:step}
ol.steps > li::before{content:counter(step);position:absolute;left:12px;top:12px;width:22px;height:22px;display:grid;place-items:center;border-radius:7px;background:color-mix(in srgb,var(--green) 20%,transparent);color:var(--green);font-size:12px;font-weight:800}

.callout{display:flex;gap:12px;margin:0 0 16px;padding:15px 16px;border-radius:14px;border:1px solid var(--line);background:var(--surface)}
.callout img{flex:none;margin-top:2px}
.callout p{margin:0;color:var(--soft)}
.callout strong{color:var(--ink)}
.callout--warn{border-color:color-mix(in srgb,var(--warn) 55%,var(--line));background:color-mix(in srgb,var(--warn) 12%,var(--surface))}
.callout--warn strong{color:color-mix(in srgb,var(--warn) 80%,var(--ink))}

.mini-table{width:100%;border-collapse:collapse;margin:0 0 16px;font-size:14.5px}
.mini-table th,.mini-table td{padding:11px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.mini-table th{color:var(--soft);font-weight:650;font-size:12.5px;text-transform:uppercase;letter-spacing:.03em}
.mini-table td:first-child{color:var(--ink);font-weight:650;white-space:nowrap}
.table-scroll{overflow-x:auto;margin:0 0 16px}
.table-scroll .mini-table{margin:0}

.reaction-legend{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:0 0 16px}
.reaction-legend div{display:flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:var(--surface);font-size:14px}
.reaction-legend em{font-style:normal;font-size:18px}

details.faq-item{padding:4px 0;border-top:1px solid var(--line)}
details.faq-item:last-child{border-bottom:1px solid var(--line)}
details.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 2px;cursor:pointer;color:var(--ink);font-weight:600;font-size:15px}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary img{flex:none;transition:transform .18s ease}
details.faq-item[open] summary img{transform:rotate(180deg)}
details.faq-item .faq-answer{margin:0 2px 16px;color:var(--soft)}


/* chapter label above a section heading */
.guide-section .guide-kicker{margin:0 0 4px;color:var(--green);font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}

/* troubleshooting: one card per problem */
.problem{margin:0 0 12px;padding:16px 18px 14px;border:1px solid var(--line);border-radius:14px;background:var(--surface);scroll-margin-top:18px}
.guide-section .problem h3{margin:0 0 6px;font-size:16px;line-height:1.4;overflow-wrap:anywhere}
.guide-section .problem-symptom{margin:0 0 8px;color:var(--soft);font-size:14.5px}
.problem-symptom b{color:var(--ink);font-weight:650}
.guide-section .problem ol{margin:0;padding-left:20px;color:var(--ink);font-size:15px}
.problem li+li{margin-top:4px}

.mini-table td.cell-wrap{white-space:normal;min-width:12ch}

/* support form */
.support-form{position:relative;margin:0 0 16px;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
.support-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:0 0 14px}
.support-field{display:grid;gap:6px;min-width:0}
.support-field--wide{grid-column:1/-1}
.support-field>span{color:var(--soft);font-size:13.5px;font-weight:650}
.support-field input,.support-field select,.support-field textarea{width:100%;min-height:48px;padding:0 14px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:var(--bg);font:inherit;font-size:16px}
.support-field textarea{min-height:150px;padding:12px 14px;line-height:1.5;resize:vertical}
.support-field input::placeholder,.support-field textarea::placeholder{color:var(--soft)}
.support-field input:hover,.support-field select:hover,.support-field textarea:hover{border-color:color-mix(in srgb,var(--green) 40%,var(--line))}
.support-field input:focus,.support-field select:focus,.support-field textarea:focus{border-color:var(--green)}
.support-counter{justify-self:end;color:var(--soft);font-size:12.5px;font-variant-numeric:tabular-nums}
.support-counter.is-warning{color:var(--warn)}
.support-trap{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.support-form .callout{margin:0 0 14px}
.support-submit{min-height:48px;padding:0 24px;border:0;border-radius:12px;color:var(--bg);background:var(--green);font:inherit;font-weight:700;cursor:pointer}
.support-submit:hover{filter:brightness(1.08)}
.support-submit:disabled{opacity:.6;cursor:wait;filter:none}
.support-status{margin:12px 0 0;padding:11px 13px;border:1px solid var(--line);border-radius:12px;font-size:14.5px}
.support-status:empty{display:none}
.support-status.is-success{color:var(--green);border-color:color-mix(in srgb,var(--green) 45%,var(--line));background:color-mix(in srgb,var(--green) 10%,var(--surface))}
.support-status.is-error{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 45%,var(--line));background:color-mix(in srgb,var(--danger) 10%,var(--surface))}

.back-row{margin-top:44px;display:flex;gap:12px;flex-wrap:wrap}
.legal-footer{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);color:var(--soft)}
.legal-footer p{margin:0 0 4px;font-size:13px}
.legal-footer nav{display:flex;flex-wrap:wrap;column-gap:18px}
.legal-footer nav a{display:inline-flex;align-items:center;min-height:44px;font-size:13px}
.back{display:inline-flex;align-items:center;text-decoration:none}

@media(max-width:980px){
  .layout{grid-template-columns:1fr}
  .toc{position:static;max-height:none;border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:4px 14px;margin-bottom:26px}
  .toc > summary{cursor:pointer;pointer-events:auto;display:flex;align-items:center;justify-content:space-between;padding:12px 2px;color:var(--ink);text-transform:none;letter-spacing:normal;font-size:15px}
  .toc > summary img{display:block;transition:transform .18s ease}
  .toc[open] > summary img{transform:rotate(180deg)}
  .toc-inner{padding-bottom:10px}
  .toc-list{display:block;columns:2;column-gap:16px}
  .toc-list > li{margin-bottom:2px}
}
@media(max-width:760px){
  .toc-list a{min-height:44px;display:flex;align-items:center}
}
@media(max-width:640px){
  .toc-list{columns:1}
  .guide-section h2{font-size:21px}
  .problem{padding:14px 14px 12px}
  .support-grid{grid-template-columns:1fr}
  .support-form{padding:14px}
  .support-submit{width:100%}
  header{align-items:flex-start}
  .brand{font-size:20px}
  #theme-toggle{min-height:44px;padding:0 11px;font-size:13px}
}
@media(prefers-reduced-motion:reduce){body,details.faq-item summary img,.toc summary img{transition:none}}