/* Pool Coaching and the free pool tools: the home page's look (white, blue
   #0b7fc4, Plus Jakarta Sans / Inter, phone first, 44px+ targets), shared by
   /coach/ and /tools/. Light only. */
:root{
  --blue:#0b7fc4; --blue-deep:#075a8c; --aqua:#3cc6e8; --sky:#e9f6fd;
  --ink:#10273a; --muted:#4f6577; --line:#dbe8f0; --bg:#ffffff; --card:#f6fbfe;
  --warn-bg:#fff8e6; --warn-line:#f3d27a; --bad:#b42318; --good:#0f7a4a;
  --radius:18px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:"Plus Jakarta Sans",Inter,system-ui,sans-serif;line-height:1.15;margin:0;text-wrap:balance}
a{color:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,.opt:has(input:focus-visible){outline:3px solid var(--blue);outline-offset:3px}
.opt input:focus-visible{outline:none}
.wrap{max-width:880px;margin:0 auto;padding-inline:16px}
/* the header, breadcrumbs and footer are /assets/nav.css (8 Oct 2026) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:999px;font:600 16px Inter,system-ui,sans-serif;text-decoration:none;border:2px solid transparent;cursor:pointer;text-align:center;transition:transform .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn[disabled]{opacity:.6;cursor:default;transform:none}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px -10px rgba(11,127,196,.8)}
.btn-ghost{background:#fff;color:var(--blue-deep);border-color:var(--line)}
.btn-link{background:none;border:0;color:var(--blue-deep);font-weight:600;min-height:44px;padding:0 4px;cursor:pointer;text-decoration:underline;font-size:15px}
.hero{background:linear-gradient(180deg,var(--sky) 0%,#fff 100%)}
.hero .wrap{padding-block:40px 36px}
.eyebrow{display:inline-block;font-weight:600;font-size:14px;color:var(--blue-deep);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:14px}
.hero h1{font-size:clamp(30px,5vw,46px);font-weight:800;letter-spacing:-.02em}
.hero h1 span{color:var(--blue)}
.lede{font-size:clamp(17px,2vw,19px);color:var(--muted);max-width:36em;margin:14px 0 22px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
section{padding-block:36px}
.section-head{margin-bottom:18px}
.section-head h2{font-size:clamp(24px,3.2vw,32px);font-weight:800;letter-spacing:-.015em}
.section-head p{color:var(--muted);margin:8px 0 0}
.panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 20px 40px -32px rgba(7,90,140,.6)}
.panel + .panel{margin-top:18px}
.soft{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.ticks{list-style:none;padding:0;margin:0 0 18px;display:grid;gap:10px}
.ticks li{display:flex;gap:10px;align-items:flex-start}
.ticks li::before{content:"";flex:none;width:20px;height:20px;margin-top:3px;border-radius:50%;background:var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' stroke='white' stroke-width='2.4' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/20px no-repeat}
.price{font-family:"Plus Jakarta Sans",sans-serif;font-weight:800;color:var(--blue-deep)}
.price b{font-size:34px;letter-spacing:-.02em}
.field{display:block;font-weight:600;font-size:15px;margin-bottom:12px;min-width:0}
.field small{display:block;font-weight:500;color:var(--muted);font-size:13px}
.field input,.field select,.field textarea{display:block;width:100%;margin-top:6px;font:inherit;font-weight:400;padding:11px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);min-height:48px;font-size:16px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(11,127,196,.15)}
.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.row-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.field-label{display:block;font-weight:600;font-size:15px;margin:4px 0 8px}
.opts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:14px}
.opt{display:flex;gap:10px;align-items:center;border:1.5px solid var(--line);border-radius:14px;padding:10px 12px;cursor:pointer;min-height:48px;font-weight:600;font-size:15px}
.opt:has(input:checked){border-color:var(--blue);background:var(--sky)}
.opt input{width:20px;height:20px;margin:0;accent-color:var(--blue);flex:none}
.checks{display:grid;gap:8px;margin:6px 0 14px}
.err{color:var(--bad);font-weight:600;min-height:1.4em;margin:8px 0 0}
.ok-note{color:var(--good);font-weight:600;margin:8px 0 0}
.note{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:12px;padding:12px 14px;margin:14px 0 0}
.muted{color:var(--muted)}
.small{font-size:14px}
.result{background:var(--sky);border-radius:16px;padding:16px;margin-top:14px}
.result .big{font-family:"Plus Jakarta Sans",sans-serif;font-weight:800;font-size:28px;color:var(--blue-deep);line-height:1.2}
.result p{margin:6px 0 0}
.cta-soft{border-top:1px solid var(--line);margin-top:18px;padding-top:14px;display:grid;gap:10px}
.cta-soft p{margin:0}
/* the card */
.card{border:1px solid var(--line);border-top:5px solid var(--blue);border-radius:20px;padding:18px;background:#fff}
.card h3{font-size:22px}
.card .meta{color:var(--muted);font-size:14px;margin:4px 0 10px}
.tag{display:inline-block;background:var(--blue);color:#fff;border-radius:999px;padding:3px 12px;font-size:13px;font-weight:700}
.reads{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0 14px}
.reads td{padding:7px 6px;border-bottom:1px solid #e3eef5;vertical-align:top}
.reads td:nth-child(3){color:var(--muted)}
.v-low,.v-high{font-weight:700;color:var(--bad)}
.v-ok{font-weight:700;color:var(--good)}
.steps{padding-left:22px;margin:8px 0}
.steps li{margin:0 0 14px}
.steps .safety{color:var(--muted);font-size:14px}
.video-box{background:var(--sky);border-radius:16px;padding:16px;margin:16px 0}
.video-box .rec{font-weight:700;margin:0 0 6px}
details{margin-top:8px}
summary{cursor:pointer;font-weight:600;color:var(--blue-deep);min-height:44px;display:flex;align-items:center}
.history{display:grid;gap:12px}
.tool-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 6px;padding:0;list-style:none}
.tool-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:600;color:var(--blue-deep);text-decoration:none;font-size:15px}
.tool{scroll-margin-top:84px;position:relative}
/* "All tools": the way back from one tool to the list (8 Oct 2026) */
.back-link{float:right;display:inline-flex;align-items:center;min-height:44px;margin:-8px -4px 0 12px;padding:0 12px;border-radius:999px;color:var(--blue-deep);font-weight:600;font-size:14px;text-decoration:none;background:var(--sky)}
.back-link::before{content:"↑";margin-right:6px}
/* the member's account panel: reminders, billing, delete (8 Oct 2026) */
.account h3{font-size:17px;margin:0}
.acct-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 0;border-top:1px solid var(--line)}
.acct-row:first-of-type{border-top:0}
.acct-row p{margin:4px 0 0}
.btn-danger{background:var(--bad);color:#fff}
.btn-danger-ghost{color:var(--bad);border-color:#f1c4bf}
.confirm-box{border:1.5px solid #f1c4bf;background:#fff7f6;border-radius:var(--radius);padding:16px;margin:4px 0 8px}
.confirm-box h3{font-size:19px;margin-bottom:8px}
.confirm-box p{margin:8px 0}
@media (max-width:640px){
  .back-link{float:none;margin:-4px 0 10px}
  .row,.row-3{grid-template-columns:1fr 1fr}
  .opts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .panel{padding:18px;border-radius:20px}
  .cta-row .btn{flex:1 1 100%}
}
@media (max-width:400px){
  .row-3{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}