/* FishSymptoms.com — mobile-first, system fonts, light+dark */
:root {
  --bg: #f4f8fa;
  --surface: #ffffff;
  --surface-2: #e9f2f5;
  --text: #16303b;
  --muted: #4d6874;
  --line: #cfe0e7;
  --accent: #0e7490;
  --accent-strong: #0b5d73;
  --accent-soft: #d7eef4;
  --danger: #b42318;
  --danger-bg: #fdeceb;
  --warn: #92400e;
  --warn-bg: #fdf3e3;
  --ok: #166534;
  --ok-bg: #e7f6ec;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1a21;
    --surface: #152831;
    --surface-2: #1d3540;
    --text: #dcebf1;
    --muted: #93aeb9;
    --line: #2b4756;
    --accent: #3cb6cd;
    --accent-strong: #7fd6e6;
    --accent-soft: #143845;
    --danger: #ff8a80;
    --danger-bg: #3a1712;
    --warn: #f5c069;
    --warn-bg: #33260f;
    --ok: #7ee2a1;
    --ok-bg: #12301d;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 1rem;
}
main { max-width: 52rem; margin: 0 auto; padding: 1rem 1rem 3rem; }
a { color: var(--accent); }
a:hover { color: var(--accent-strong); }
h1 { font-size: 1.65rem; line-height: 1.25; margin: .5rem 0 .25rem; }
h2 { font-size: 1.3rem; margin: 2rem 0 .5rem; border-bottom: 2px solid var(--accent-soft); padding-bottom: .25rem; }
h3 { font-size: 1.08rem; margin: 1.4rem 0 .4rem; }
p, li { max-width: 70ch; }
.updated { color: var(--muted); font-size: .85rem; margin: 0 0 1.25rem; }

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.site-header .bar {
  max-width: 60rem; margin: 0 auto; padding: .6rem 1rem;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.logo { font-weight: 800; text-decoration: none; color: var(--text); font-size: 1.05rem; }
.logo span { color: var(--accent); }
.menu-btn {
  margin-left: auto; background: none; border: 1px solid var(--line);
  color: var(--text); border-radius: 8px; padding: .35rem .7rem; font-size: 1rem; cursor: pointer;
}
.site-header nav { display: none; width: 100%; flex-direction: column; gap: .25rem; padding: .25rem 0 .6rem; }
.site-header nav.open { display: flex; }
.site-header nav a { padding: .4rem .2rem; text-decoration: none; font-weight: 600; }
@media (min-width: 760px) {
  .menu-btn { display: none; }
  .site-header nav { display: flex !important; width: auto; flex-direction: row; margin-left: auto; gap: 1.1rem; padding: 0; }
}

/* Breadcrumbs */
.breadcrumbs { max-width: 52rem; margin: 0 auto; padding: .75rem 1rem 0; font-size: .85rem; color: var(--muted); }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .35rem; margin: 0; padding: 0; }
.breadcrumbs li::after { content: "›"; margin-left: .35rem; color: var(--muted); }
.breadcrumbs li:last-child::after { content: ""; }

/* Callouts */
.act-now, .callout { border-radius: 10px; padding: .9rem 1.1rem; margin: 1.25rem 0; border: 1px solid var(--line); background: var(--surface); }
.act-now { border-left: 6px solid var(--danger); background: var(--danger-bg); }
.act-now h2, .act-now h3 { margin-top: 0; border: none; padding: 0; color: var(--danger); font-size: 1.05rem; }
.act-now h2::before { content: "⚠ "; }
.callout.warn { border-left: 6px solid var(--warn); background: var(--warn-bg); }
.callout.info { border-left: 6px solid var(--accent); background: var(--accent-soft); }
.callout.ok { border-left: 6px solid var(--ok); background: var(--ok-bg); }
.callout h3 { margin-top: 0; }
.vet-note { font-size: .9rem; color: var(--muted); font-style: italic; }

/* Tables */
table { border-collapse: collapse; width: 100%; margin: 1rem 0; font-size: .92rem; background: var(--surface); }
th, td { border: 1px solid var(--line); padding: .5rem .6rem; text-align: left; vertical-align: top; }
th { background: var(--surface-2); }
.table-wrap { overflow-x: auto; }

/* Cards / grids */
.grid { display: grid; gap: 1rem; grid-template-columns: 1fr; margin: 1.25rem 0; }
@media (min-width: 640px) { .grid.cols-2 { grid-template-columns: 1fr 1fr; } .grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 1rem 1.1rem; display: block; text-decoration: none; color: var(--text);
}
.card:hover { border-color: var(--accent); }
.card h3, .card h2 { margin: 0 0 .35rem; border: none; padding: 0; }
.card p { color: var(--muted); margin: 0; font-size: .9rem; }

/* Buttons */
.btn {
  display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
  border: none; border-radius: 10px; padding: .65rem 1.1rem; font-size: 1rem; font-weight: 700; cursor: pointer;
}
.btn:hover { background: var(--accent-strong); color: #fff; }
.btn.secondary { background: var(--surface); color: var(--accent); border: 1px solid var(--accent); }

/* Ad slots */
.ad-slot {
  min-height: 90px; margin: 1.5rem 0; border: 2px dashed var(--line); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: .8rem; background: var(--surface-2); text-align: center; padding: .5rem;
}

/* Affiliate */
.disclosure { font-size: .85rem; color: var(--muted); background: var(--surface-2); border: 1px solid var(--line); border-radius: 8px; padding: .5rem .8rem; }
.product-box { border: 1px solid var(--line); border-radius: 12px; padding: 1rem; margin: 1rem 0; background: var(--surface); }
.product-box h3 { margin-top: 0; }
.product-box .tag { font-size: .78rem; font-weight: 700; color: var(--accent); text-transform: uppercase; letter-spacing: .04em; }

/* Verdicts */
.verdict { display: inline-block; font-weight: 800; border-radius: 999px; padding: .3rem .9rem; font-size: .95rem; margin: .25rem 0 1rem; }
.verdict.no { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger); }
.verdict.yes { background: var(--ok-bg); color: var(--ok); border: 1px solid var(--ok); }
.verdict.cautious { background: var(--warn-bg); color: var(--warn); border: 1px solid var(--warn); }

/* FAQ */
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: .6rem 1rem; margin: .5rem 0; }
.faq summary { font-weight: 700; cursor: pointer; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); margin-top: 2rem; }
.site-footer .inner { max-width: 60rem; margin: 0 auto; padding: 1.5rem 1rem 2.5rem; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; font-size: .9rem; }
.site-footer p { color: var(--muted); font-size: .85rem; }

/* Email capture */
.capture { background: var(--accent-soft); border: 1px solid var(--accent); border-radius: 12px; padding: 1.1rem; margin: 1.5rem 0; }
.capture h3 { margin-top: 0; }
.capture input[type="email"] {
  padding: .6rem .8rem; border: 1px solid var(--line); border-radius: 8px;
  font-size: 1rem; width: 100%; max-width: 22rem; margin: .5rem .5rem .5rem 0; background: var(--surface); color: var(--text);
}

/* Tools */
.tool-panel { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 1.1rem; margin: 1.1rem 0; }
.tool-panel legend { font-weight: 800; }
.field { display: flex; flex-wrap: wrap; gap: .4rem 1.25rem; margin: .4rem 0; }
.chip { display: inline-flex; align-items: center; gap: .4rem; background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: .35rem .8rem; cursor: pointer; font-size: .92rem; }
.chip input { accent-color: var(--accent); }
.chip:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); font-weight: 700; }
label { font-size: .95rem; }
input[type="number"], select, input[type="text"] {
  padding: .5rem .7rem; border: 1px solid var(--line); border-radius: 8px;
  font-size: 1rem; background: var(--surface); color: var(--text);
}
.result { border-left: 5px solid var(--accent); background: var(--surface); border-radius: 8px; padding: .8rem 1rem; margin: .9rem 0; border-top: 1px solid var(--line); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.result.urgent { border-left-color: var(--danger); }
.score-bar { height: 8px; background: var(--surface-2); border-radius: 4px; margin: .5rem 0; overflow: hidden; }
.score-bar i { display: block; height: 100%; background: var(--accent); }
.result ul { margin: .4rem 0; padding-left: 1.2rem; }
.muted { color: var(--muted); }
.hero { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 1.5rem; margin: 1rem 0 1.5rem; }
.hero p.lede { font-size: 1.08rem; }

.capture a { color: var(--accent-strong); }

.ad-slot:not(:has(ins.adsbygoogle[data-ad-status="filled"])) { display: none !important; min-height: 0 !important; border: 0 !important; margin: 0 !important; padding: 0 !important; }
.ad-slot:has(ins.adsbygoogle[data-ad-status="filled"]) { margin: 1.5rem 0 !important; min-height: 90px; }