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

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-ui);
  color: var(--cream);
  background: var(--felt-deep);
}

body {
  min-height: 100dvh;
  overflow-x: hidden;
}

body.shake {
  animation: screen-shake 0.55s ease;
}

@keyframes screen-shake {
  0%, 100% { transform: translate(0, 0); }
  15% { transform: translate(-6px, 3px); }
  30% { transform: translate(7px, -4px); }
  45% { transform: translate(-5px, -2px); }
  60% { transform: translate(5px, 3px); }
  75% { transform: translate(-3px, 1px); }
}

.felt-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% 45%, rgba(32, 110, 82, 0.55) 0%, transparent 70%),
    radial-gradient(ellipse 120% 90% at 50% 100%, rgba(5, 28, 22, 0.75) 0%, transparent 55%),
    linear-gradient(165deg, #0f4635 0%, var(--felt-deep) 42%, #07241c 100%);
}

.felt-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  pointer-events: none;
}

.fx-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 80;
  overflow: hidden;
}

.fx-card {
  position: fixed;
  width: var(--card-w);
  height: var(--card-h);
  margin: 0;
  padding: 0;
  border: none;
  background: transparent;
  z-index: 81;
  transition: none;
  will-change: transform, opacity;
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  filter: drop-shadow(0 14px 20px rgba(0, 0, 0, 0.34));
}

.fx-card .card-art {
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.22);
}

.fx-card.deal-fly {
  z-index: 90;
  transition:
    transform 0.34s cubic-bezier(0.18, 0.84, 0.22, 1),
    filter 0.34s ease;
  filter: drop-shadow(0 18px 26px rgba(0, 0, 0, 0.5));
}

.fx-card.deal-fly.deal-land {
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, 0.35));
}

.fx-card.is-held {
  z-index: 120;
  transition: none;
  filter: drop-shadow(0 22px 32px rgba(0, 0, 0, 0.55));
  cursor: grabbing;
}

.fx-card.is-throw,
.fx-card.is-parked {
  z-index: 120;
  filter: drop-shadow(0 16px 26px rgba(0, 0, 0, 0.5));
}

.fx-card.shuffle-ghost {
  z-index: 85;
  opacity: 0.85;
  transition:
    transform 0.26s cubic-bezier(0.2, 0.8, 0.25, 1),
    opacity 0.26s ease;
  pointer-events: none;
}

.screen {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
}

.hidden {
  display: none !important;
}

.phone-only {
  display: none;
}

.app-version {
  position: fixed;
  right: max(0.85rem, env(safe-area-inset-right, 0px));
  bottom: max(0.55rem, env(safe-area-inset-bottom, 0px));
  z-index: 28;
  margin: 0;
  pointer-events: none;
  user-select: none;
  font-family: var(--font-status);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: rgba(243, 235, 224, 0.42);
}

body:has(#btn-toggle-chat:not(.hidden)) .app-version {
  bottom: max(3.2rem, calc(env(safe-area-inset-bottom, 0px) + 2.9rem));
}

@media (max-width: 640px) {
  body:has(#btn-toggle-chat:not(.hidden)) .app-version {
    bottom: max(6.85rem, calc(env(safe-area-inset-bottom, 0px) + 6.4rem));
  }
}

.mod-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background: rgba(4, 10, 8, 0.78);
}

.mod-card {
  width: min(100%, 22rem);
  display: grid;
  gap: 0.45rem;
  color: #f3ebe0;
  font-family: var(--font-status);
}

.mod-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.6rem;
}

.mod-card p {
  margin: 0;
  color: rgba(243, 235, 224, 0.7);
  line-height: 1.45;
}