/* WispInbox /extensions — install page */
:root {
  --ink: #0f1c2e;
  --ink-soft: #53657c;
  --blue: #154892;
  --blue-mid: #2a63b8;
  --blue-soft: #eaf1fb;
  --on-blue: #ffffff;
  --paper: #e7eef8;
  --paper-deep: #cfdced;
  --surface: #ffffff;
  --rule: #b7c6d8;
  --rule-soft: #dfe8f2;
  --font: "Sora", "Segoe UI", sans-serif;
}

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

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #dce8f8 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #f0e8e4 0%, transparent 50%),
    linear-gradient(180deg, #f3f7fc 0%, #e8eef6 100%);
}

a { color: var(--blue); }
a:hover { color: var(--blue-mid); }

.ext-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: 920px;
  margin: 0 auto;
  padding: 20px 16px 0;
  flex-wrap: wrap;
}

.ext-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  font-size: 1.05rem;
}

.ext-nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.ext-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 500;
}

.ext-nav a[aria-current="page"],
.ext-nav a:hover {
  color: var(--blue);
}

.ext-main {
  max-width: 920px;
  margin: 0 auto;
  padding: 28px 16px 24px;
  width: 100%;
}

.ad-mobile-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 20px 0 8px;
}

.ad-mobile {
  min-height: 250px;
  max-width: 100%;
  overflow: hidden;
}

.ext-footer {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 16px 40px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.ext-footer a {
  text-decoration: none;
  font-weight: 500;
}

@media (max-width: 560px) {
  .ext-grid {
    grid-template-columns: 1fr;
  }

  .ext-hero h1 {
    font-size: 1.45rem;
  }

  .ext-actions {
    flex-direction: column;
  }

  .ext-btn {
    width: 100%;
  }
}


.ext-hero {
  margin-bottom: 28px;
}

.ext-kicker {
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue);
}

.ext-hero h1 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.ext-lead {
  margin: 0;
  max-width: 38rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink-soft);
}

.ext-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 36px;
}

@media (max-width: 720px) {
  .ext-grid { grid-template-columns: 1fr; }
}

.ext-card {
  background: var(--surface);
  border: 1.5px solid var(--rule-soft);
  border-radius: 16px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ext-card-top {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.ext-icon {
  border-radius: 10px;
  flex-shrink: 0;
}

.ext-card-top h2 {
  margin: 0 0 4px;
  font-size: 1.15rem;
}

.ext-card-top p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.45;
}

.ext-steps {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.55;
}

.ext-steps li { margin-bottom: 4px; }

kbd {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid var(--rule-soft);
  border-radius: 5px;
  background: var(--paper);
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink);
}

.ext-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.ext-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.ext-btn-primary {
  background: var(--blue);
  color: var(--on-blue);
}

.ext-btn-primary:hover {
  background: var(--blue-mid);
  color: var(--on-blue);
}

.ext-btn-secondary {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: var(--rule-soft);
}

.ext-btn-secondary:hover {
  border-color: var(--rule);
  color: var(--blue-mid);
}

.ext-commands,
.ext-chrome {
  margin-bottom: 28px;
}

.ext-commands h2,
.ext-chrome h2 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.ext-commands ul {
  margin: 0 0 12px;
  padding-left: 1.2rem;
  color: var(--ink-soft);
  line-height: 1.55;
  font-size: 0.95rem;
}

.ext-commands code {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 0.86em;
  background: color-mix(in srgb, var(--surface) 70%, var(--paper));
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--ink);
}

.ext-note,
.ext-chrome p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
  line-height: 1.5;
}