/* ==========================================================================
   download.amsol.ca
   Palette is taken verbatim from the Magic PDF desktop app (src/theme.py) so
   the site and the apps look like one product family.
   ========================================================================== */

/* ---- Light palette (the default; also the fallback when nothing matches) -- */
:root {
  --bg:            #f4f5f7;
  --surface:       #ffffff;
  --surface-alt:   #eceef1;
  --border:        #d6dae1;
  --border-strong: #b9c0cb;
  --text:          #1c1f24;
  --text-muted:    #697180;
  --accent:        #2563eb;
  --accent-hover:  #1d4ed8;
  --accent-press:  #1e40af;
  --accent-soft:   #dbe6fe;
  --accent-on:     #ffffff;
  --success:       #16a34a;

  --shadow:        0 1px 2px rgba(16, 32, 64, .06), 0 8px 24px rgba(16, 32, 64, .06);
  --shadow-hover:  0 2px 4px rgba(16, 32, 64, .08), 0 14px 36px rgba(16, 32, 64, .12);

  --radius:        14px;
  --radius-sm:     10px;
  --wrap:          1000px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
          "Liberation Mono", monospace;

  --logo-light: block;
  --logo-dark:  none;
}

/* ---- Dark palette: system preference, unless the user forced light -------- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:            #1b1d23;
    --surface:       #23262e;
    --surface-alt:   #2b2f38;
    --border:        #363b45;
    --border-strong: #4a5160;
    --text:          #e6e8ec;
    --text-muted:    #98a0ad;
    --accent:        #4c8dff;
    --accent-hover:  #6ba0ff;
    --accent-press:  #3a78e0;
    --accent-soft:   #2a3a57;
    --accent-on:     #10161f;
    --success:       #4ac26b;

    --shadow:        0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
    --shadow-hover:  0 2px 4px rgba(0, 0, 0, .5), 0 14px 36px rgba(0, 0, 0, .45);

    --logo-light: none;
    --logo-dark:  block;
  }
}

/* ---- Dark palette: explicitly chosen with the toggle --------------------- */
:root[data-theme="dark"] {
  --bg:            #1b1d23;
  --surface:       #23262e;
  --surface-alt:   #2b2f38;
  --border:        #363b45;
  --border-strong: #4a5160;
  --text:          #e6e8ec;
  --text-muted:    #98a0ad;
  --accent:        #4c8dff;
  --accent-hover:  #6ba0ff;
  --accent-press:  #3a78e0;
  --accent-soft:   #2a3a57;
  --accent-on:     #10161f;
  --success:       #4ac26b;

  --shadow:        0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
  --shadow-hover:  0 2px 4px rgba(0, 0, 0, .5), 0 14px 36px rgba(0, 0, 0, .45);

  --logo-light: none;
  --logo-dark:  block;
}

/* ========================== base ========================================= */
*, *::before, *::after { box-sizing: border-box; }

/* Paint the root too, so overscroll and the address-bar area match the theme. */
html {
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

img, svg { max-width: 100%; }

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

:where(a, button, summary, [role="link"]):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 20px;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--surface); color: var(--text);
  padding: 10px 16px; z-index: 10;
  border: 1px solid var(--border); border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

.muted { color: var(--text-muted); }
.small { font-size: .875rem; }

/* ========================== header ======================================= */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}

.brand { display: inline-flex; align-items: center; }
.brand-logo { width: auto; height: 38px; }
.brand-logo-light { display: var(--logo-light); }
.brand-logo-dark  { display: var(--logo-dark); }

.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 40px; height: 40px;
  padding: 0;
  color: var(--text-muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
}
.theme-toggle svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.7; }
/* Show the icon for the theme the button switches TO. */
.theme-toggle .icon-moon { display: var(--logo-light); }
.theme-toggle .icon-sun  { display: var(--logo-dark); }

/* ========================== hero ======================================== */
main { flex: 1 0 auto; }

.hero { padding: 56px 0 8px; max-width: 62ch; }

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -.02em;
}

.hero-sub { margin: 0; color: var(--text-muted); font-size: 1.0625rem; }

.platform-note {
  margin: 24px 0 0;
  padding: 12px 16px;
  font-size: .9375rem;
  color: var(--text-muted);
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* ========================== cards ======================================= */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
  margin: 32px 0 0;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card-head { display: flex; gap: 16px; align-items: flex-start; }

.app-icon {
  flex: 0 0 auto;
  width: 60px; height: 60px;
}

.card-title { min-width: 0; }

.card-title h2 {
  margin: 0;
  font-size: 1.3125rem;
  letter-spacing: -.01em;
}

.card-tagline { margin: 2px 0 0; color: var(--text-muted); font-size: .9375rem; }

.version { margin: 10px 0 0; }

.version-badge {
  display: inline-block;
  padding: 3px 10px;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
}

.version-date { margin-left: 8px; font-size: .8125rem; color: var(--text-muted); }

/* ========================== buttons ===================================== */
.btn-row {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 12px;
}

.btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 18px;
  color: var(--text);
  text-decoration: none;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: transform .12s, box-shadow .15s, background .15s,
              border-color .15s, color .15s;
}

.btn:hover {
  color: var(--text);
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.btn:active { transform: translateY(0); }

.btn .os-icon { flex: 0 0 auto; width: 22px; height: 22px; fill: currentColor; }

.btn-text { display: flex; flex-direction: column; min-width: 0; }
.btn-label { font-weight: 600; font-size: .9688rem; }
.btn-meta { font-size: .8125rem; color: var(--text-muted); }

/* the recommended button for the visitor's detected platform */
.btn.is-primary {
  color: var(--accent-on);
  background: var(--accent);
  border-color: var(--accent);
}
.btn.is-primary:hover {
  color: var(--accent-on);
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.btn.is-primary .btn-meta { color: color-mix(in srgb, var(--accent-on) 78%, transparent); }

/* placeholder for a build that has not shipped yet */
.btn.is-pending {
  color: var(--text-muted);
  background: var(--surface-alt);
  border-style: dashed;
  border-color: var(--border);
  cursor: not-allowed;
}
.btn.is-pending:hover {
  transform: none;
  box-shadow: none;
  color: var(--text-muted);
  background: var(--surface-alt);
  border-color: var(--border);
}

/* ========================== notes / details ============================= */
.notes { margin-top: auto; font-size: .9375rem; }

.notes > summary {
  cursor: pointer;
  color: var(--text-muted);
  padding: 6px 0;
  font-size: .9063rem;
}
.notes > summary:hover { color: var(--accent); }

.notes-body { padding: 4px 0 0; color: var(--text-muted); }
.notes-body p { margin: 8px 0; }
.notes-body strong { color: var(--text); }

code {
  font-family: var(--mono);
  font-size: .875em;
  padding: 2px 5px;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: 5px;
}

pre {
  margin: 6px 0 12px;
  padding: 12px 14px;
  overflow-x: auto;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
pre code { padding: 0; background: none; border: 0; }

/* ========================== advisory ==================================== */
.advisory {
  margin: 44px 0 56px;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.advisory h2 { margin: 0 0 10px; font-size: 1.125rem; }
.advisory p { margin: 0 0 12px; color: var(--text-muted); font-size: .9375rem; }
.advisory p:last-child { margin-bottom: 0; }
.advisory strong { color: var(--text); }

.verify-intro { margin-top: 18px; }

/* ---- checksum table ---- */
.checksums { margin-top: 14px; }

.checksums table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8438rem;
  display: block;
  overflow-x: auto;
  white-space: nowrap;
}

.checksums th, .checksums td {
  padding: 9px 14px 9px 0;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.checksums th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.checksums td:first-child { font-family: var(--mono); }
.checksums .digest { font-family: var(--mono); color: var(--text-muted); font-size: .8125rem; }

/* ========================== footer ===================================== */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 24px;
  font-size: .875rem;
  color: var(--text-muted);
}

.copyright { margin: 0; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }

/* ========================== responsive ================================== */
@media (max-width: 560px) {
  .hero { padding-top: 40px; }
  .card { padding: 20px; }
  .app-icon { width: 48px; height: 48px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .btn:hover { transform: none; }
}