/* ─────────────────────────────────────────────────────────────────────
   Shared site stylesheet
   Used by every page on cjmo71.github.io
   Dark by default, auto-switches to light via prefers-color-scheme.
   ──────────────────────────────────────────────────────────────────── */

:root {
  --bg:        #1a1a1a;
  --card:      #252525;
  --fg:        #ffffff;
  --body:      #dddddd;
  --dim:       #888888;
  --accent:    #4a9eff;
  --accent-dk: #2d7ad9;
  --border:    #3a3a3f;
  --success:   #4ade80;
  --danger:    #f87171;
  --code-bg:   #1f1f24;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg:        #f6f7fa;
    --card:      #ffffff;
    --fg:        #0f172a;
    --body:      #1f2937;
    --dim:       #6b7280;
    --accent:    #2563eb;
    --accent-dk: #1d4ed8;
    --border:    #e5e7eb;
    --success:   #15803d;
    --danger:    #b91c1c;
    --code-bg:   #f1f5f9;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 40px 20px 60px;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 40px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.15);
}

/* ── top nav ─────────────────────────────────────────────────────── */

.topnav {
  max-width: 760px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 4px;
  font-size: 14px;
}

.topnav .brand {
  font-weight: 600;
  font-size: 16px;
  color: var(--fg);
  text-decoration: none;
}

.topnav .brand .check {
  color: var(--success);
  margin-right: 6px;
}

.topnav nav a {
  color: var(--dim);
  text-decoration: none;
  margin-left: 16px;
}

.topnav nav a:hover { color: var(--accent); }
.topnav nav a.current { color: var(--fg); }

/* ── headings and text ──────────────────────────────────────────── */

h1 {
  font-size: 30px;
  margin: 0 0 8px 0;
  color: var(--fg);
}

.updated {
  color: var(--dim);
  font-size: 13px;
  margin-bottom: 28px;
}

h2 {
  font-size: 20px;
  color: var(--accent);
  margin-top: 36px;
  margin-bottom: 10px;
  scroll-margin-top: 20px;
}

h3 {
  font-size: 16px;
  color: var(--fg);
  margin-top: 22px;
  margin-bottom: 6px;
}

p, li { color: var(--body); margin: 8px 0; }
ul, ol { padding-left: 22px; }
strong { color: var(--fg); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
}

kbd {
  display: inline-block;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 6px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  background: var(--code-bg);
  color: var(--fg);
}

/* ── logo badge ──────────────────────────────────────────────────── */

.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dk));
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 14px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

/* ── table of contents ──────────────────────────────────────────── */

.toc {
  background: rgba(74, 158, 255, 0.06);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 24px 0 8px;
}

.toc .toc-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dim);
  margin-bottom: 8px;
}

.toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc li { margin: 4px 0; }

.toc a {
  color: var(--body);
  font-size: 14px;
}

.toc a:hover { color: var(--accent); }

/* ── download button ────────────────────────────────────────────── */

.pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 10px 16px;
  background: var(--accent);
  color: #fff !important;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.pdf-btn:hover {
  background: var(--accent-dk);
  text-decoration: none;
}

.pdf-btn::before { content: "📄"; }

/* ── FAQ accordion ──────────────────────────────────────────────── */

details {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 10px 0;
  background: rgba(255,255,255,0.02);
}

details[open] { background: rgba(74, 158, 255, 0.05); }

details summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--fg);
  list-style: none;
  padding-right: 24px;
  position: relative;
}

details summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 20px;
  color: var(--dim);
  transition: transform 0.15s;
}

details[open] summary::after { content: "−"; }

details summary::-webkit-details-marker { display: none; }

details p, details ul { margin-top: 10px; }

/* ── app screenshot card (landing page) ─────────────────────────── */

.hero {
  text-align: center;
  padding: 20px 0 10px;
}

.hero .tag {
  color: var(--dim);
  font-size: 16px;
  margin: 0 0 20px;
}

.cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--border);
}

.cta.primary {
  background: var(--accent);
  color: #fff !important;
  border-color: var(--accent);
}

.cta.primary:hover { background: var(--accent-dk); text-decoration: none; }

.cta.secondary {
  background: transparent;
  color: var(--fg) !important;
}

.cta.secondary:hover { border-color: var(--accent); color: var(--accent) !important; text-decoration: none; }

/* ── feature bullets (landing page) ─────────────────────────────── */

.features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0 8px;
}

@media (max-width: 560px) {
  .features { grid-template-columns: 1fr; }
  .container { padding: 28px 20px; }
  body { padding: 24px 12px 40px; }
}

.feature {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
}

.feature h4 {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--fg);
}

.feature p {
  margin: 0;
  font-size: 13px;
  color: var(--body);
}

/* ── contact form ───────────────────────────────────────────────── */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 16px 0 8px;
  padding: 20px;
  background: rgba(74, 158, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--dim);
}

.contact-form input,
.contact-form textarea {
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  width: 100%;
}

.contact-form textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-form button {
  align-self: flex-start;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 11px 22px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.contact-form button:hover { background: var(--accent-dk); }

/* Hidden honeypot field — real users never see or fill this. */
.hp-field {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

/* ── footer ─────────────────────────────────────────────────────── */

.footer {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--dim);
  font-size: 13px;
  text-align: center;
}

.footer a { color: var(--dim); margin: 0 8px; }
.footer a:hover { color: var(--accent); }

/* ── tip jar, top-right INSIDE the card (Chris 2026-07-30: same level as the
      icon and the page title, QR directly under it) ───────────────────────── */

.cardhead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.cardhead-main { min-width: 0; }
.cardhead-main .updated { margin-bottom: 0; }

.tipbox {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.tipbox .tipjar {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.2;
  padding: 8px 14px;
  border-radius: 10px;
  background: linear-gradient(135deg, #10b981, #0f766e);
  color: #fff;
  text-decoration: none;
  text-align: center;
}

.tipbox .tipjar:hover { filter: brightness(1.07); }
.tipbox .tipjar .tipjar-main { font-weight: 600; font-size: 14px; white-space: nowrap; }
.tipbox .tipjar .tipjar-sub  { font-size: 10px; opacity: .85; white-space: nowrap; }

.tipbox img {
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  display: block;
}

/* the card header stacks on narrow screens so nothing gets crushed */
@media (max-width: 620px) {
  .cardhead { flex-direction: column; gap: 18px; }
  .tipbox { flex-direction: row; align-items: center; gap: 14px; align-self: flex-start; }
  .tipbox img { width: 90px; height: 90px; }
}

/* keep the standard 28px gap under the header block */
.cardhead + * { margin-top: 28px; }