/* Shared TCG chrome, layout scaffolding, and calculator shell styles. */

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

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  background-image:
    radial-gradient(
      circle at 78% 18%,
      rgba(255, 141, 240, 0.18) 0%,
      rgba(255, 141, 240, 0) 38%
    ),
    radial-gradient(
      circle at 18% 80%,
      var(--bg-accent-splash, rgba(76, 224, 255, 0.18)) 0%,
      rgba(76, 224, 255, 0) 42%
    ),
    var(--bg-vignette);
  color: var(--ink);
  font-family:
    "Exo",
    "Segoe UI",
    system-ui,
    -apple-system,
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: var(--bg-stripe);
  opacity: 0.26;
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: -1;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.18em;
  font-weight: 600;
}

a:hover,
a:focus-visible {
  color: var(--accent-alt);
  text-decoration-thickness: 0.11em;
  text-shadow: var(--glow);
}

:is(
  .site-header .nav-link,
  .site-footer .nav-link,
  .site-header .nav-submenu a,
  .site-footer .nav-submenu a,
  .btn,
  button,
  .tool-cta,
  .site-home-link
) {
  text-decoration: none;
}

:is(a, button, input, select, textarea, summary):focus-visible {
  outline: 2px solid var(--focus-ring, rgba(255, 141, 240, 0.92));
  outline-offset: 2px;
}

.site-header {
  border: var(--rift-shell-border);
  background: var(--rift-shell-bg);
  box-shadow: var(--rift-shell-shadow);
}

.site-header::before,
.site-footer::before {
  content: "";
  background: var(
    --chrome-glow,
    linear-gradient(
      118deg,
      rgba(255, 141, 240, 0.12),
      rgba(76, 224, 255, 0.08) 48%,
      rgba(76, 224, 255, 0)
    )
  );
  pointer-events: none;
}

.site-header .site-banner {
  margin: 0;
}

.site-home-link {
  display: none;
}

.site-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  height: 38px;
  border: var(--chrome-toggle-border, 1px solid rgba(121, 205, 255, 0.46));
  border-radius: 999px;
  background: var(--chrome-toggle-bg, rgba(11, 20, 52, 0.85));
  color: var(--chrome-link-color, #e8efff);
  padding: 8px 14px;
  font-family:
    "Segoe UI",
    system-ui,
    -apple-system,
    Roboto,
    Arial,
    sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.site-header .nav-link,
.site-header.is-floating .site-home-link,
.site-footer .nav-link {
  color: var(--chrome-link-color, #e8efff);
  font-family:
    "Segoe UI",
    system-ui,
    -apple-system,
    Roboto,
    Arial,
    sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
  border: var(--chrome-link-border, 1px solid rgba(121, 205, 255, 0.24));
  border-radius: 999px;
  min-height: 38px;
  padding: 8px 14px;
  background: var(--chrome-link-bg, rgba(11, 20, 52, 0.6));
  transition:
    color 0.2s ease,
    border-color 0.2s ease,
    background 0.2s ease;
}

.site-header .nav-link:hover,
.site-header .nav-link:focus-visible,
.site-header.is-floating .site-home-link:hover,
.site-header.is-floating .site-home-link:focus-visible,
.site-footer .nav-link:hover,
.site-footer .nav-link:focus-visible {
  color: #fff;
  border-color: var(--chrome-link-border-hover, rgba(255, 141, 240, 0.72));
  background: var(--chrome-link-bg-hover, rgba(30, 40, 88, 0.82));
  text-shadow: none;
}

.site-header.is-floating .site-home-link {
  border-color: var(--chrome-home-border, rgba(255, 204, 124, 0.9));
  background: var(--chrome-home-bg, rgba(34, 25, 86, 0.92));
  color: var(--chrome-home-color, #fff5dc);
}

.site-header.is-floating .site-home-link:hover,
.site-header.is-floating .site-home-link:focus-visible {
  border-color: var(--chrome-home-border-hover, rgba(255, 228, 172, 0.98));
  background: var(--chrome-home-bg-hover, rgba(48, 34, 112, 0.95));
  color: #ffffff;
}

.site-header .nav-submenu,
.site-footer .nav-submenu {
  list-style: none;
  margin: 8px 0 0;
  padding: 10px 12px;
  min-width: 220px;
  border: var(--submenu-border, 1px solid rgba(121, 205, 255, 0.35));
  border-radius: 14px;
  background: var(
    --submenu-bg,
    linear-gradient(165deg, rgba(16, 24, 62, 0.96), rgba(10, 18, 44, 0.94))
  );
  box-shadow: var(--submenu-shadow, 0 16px 38px rgba(4, 8, 26, 0.58));
  display: flex;
  flex-direction: column;
  gap: 6px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  position: absolute;
  left: 0;
  top: 31px;
  z-index: 16;
}

.site-header .nav-submenu a,
.site-footer .nav-submenu a {
  color: #d7e1fb;
  font-size: 0.84rem;
  border-bottom: 1px solid transparent;
}

.site-header .nav-submenu a:hover,
.site-header .nav-submenu a:focus-visible,
.site-footer .nav-submenu a:hover,
.site-footer .nav-submenu a:focus-visible {
  color: #ffffff;
  border-color: rgba(255, 141, 240, 0.48);
  text-shadow: none;
}

.site-banner {
  text-align: center;
  display: block;
  filter: drop-shadow(0 14px 36px rgba(10, 14, 34, 0.65));
  margin: 0;
}

.site-banner img {
  width: min(290px, 70vw);
  height: auto;
  display: block;
  margin: 0;
}

.sub {
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 880px;
  display: none;
}

.pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  border: var(--pill-border, 1px solid rgba(121, 205, 255, 0.42));
  background: var(
    --pill-bg,
    linear-gradient(150deg, rgba(28, 46, 114, 0.85), rgba(20, 32, 82, 0.7))
  );
  color: var(--pill-color, #e4ecff);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 6px 6px 0 0;
}

.notice {
  margin: 12px 0;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
}

.notice.yellow {
  background: linear-gradient(
    140deg,
    rgba(255, 214, 0, 0.25),
    rgba(255, 141, 240, 0.22)
  );
  color: #fff3b0;
  border: 1px solid rgba(255, 214, 0, 0.48);
  box-shadow: 0 18px 36px rgba(6, 12, 32, 0.38);
}

h1 {
  margin: 0;
  font-family: "Cinzel", "Exo", serif;
  font-size: 2.45rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #fdf7ff;
  text-shadow: 0 12px 30px rgba(5, 9, 30, 0.75);
}

.lede {
  margin: 0;
  color: var(--muted);
  max-width: 760px;
  font-size: 1.08rem;
}

.sigil {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: rgba(255, 141, 240, 0.78);
}

.card {
  background: linear-gradient(
    150deg,
    rgba(21, 30, 66, 0.94),
    rgba(12, 19, 44, 0.88)
  );
  border: var(--card-border);
  border-radius: var(--radius);
  padding: var(--pad);
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: calc(var(--radius) - 2px);
  border: 1px solid rgba(255, 141, 240, 0.22);
  opacity: 0.7;
  pointer-events: none;
}

.card::after {
  content: "";
  position: absolute;
  inset: -40% -40% auto;
  height: 240px;
  background: radial-gradient(
    circle at center,
    rgba(76, 224, 255, 0.35),
    rgba(76, 224, 255, 0)
  );
  opacity: 0.4;
  pointer-events: none;
  transform: rotate(12deg);
}

.card h2 {
  margin: 0;
  font-family: "Cinzel", "Exo", serif;
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--accent);
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.wrap {
  max-width: 1220px;
  margin: 0 auto;
  position: relative;
}

.riftbound-app .card {
  background: var(--panel);
  border: var(--border);
  border-radius: 22px;
  padding: 24px;
  box-shadow: var(--shadow-deep);
}

.riftbound-app .card::before {
  border-radius: 20px;
  border: 1px solid rgba(255, 141, 240, 0.22);
  opacity: 0.75;
}

details.sets {
  background: var(--panel);
  border: var(--border);
  border-radius: 18px;
  padding: 0;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

details.sets > summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 700;
  border-bottom: var(--border);
  background: linear-gradient(
    155deg,
    rgba(30, 46, 112, 0.96),
    rgba(16, 24, 58, 0.86)
  );
  user-select: none;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: "Cinzel", "Exo", serif;
  font-size: 0.92rem;
}

details.sets[open] > summary {
  border-bottom: var(--border);
}

details.sets > summary::-webkit-details-marker {
  display: none;
}

.chev {
  float: right;
  opacity: 0.82;
  transition: transform 0.18s ease;
}

details[open] .chev {
  transform: rotate(90deg);
}

.include-list {
  padding: 18px 22px;
  background: linear-gradient(
    150deg,
    rgba(16, 28, 64, 0.92),
    rgba(12, 20, 50, 0.9)
  );
}

.include-list .col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 6px;
}