@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@keyframes slfPop {
  0% {
    transform: scale(0.7);
    opacity: 0;
  }
  60% {
    transform: scale(1.08);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes slfFloat {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateY(-140px) scale(1.5);
    opacity: 0;
  }
}

@keyframes slfPulse {
  0%,
  100% {
    opacity: 0.55;
  }
  50% {
    opacity: 1;
  }
}

@keyframes slfSweep {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(300%);
  }
}

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

html {
  /* One clip on the viewport. On body as well, the other axis becomes a second scroller. */
  overflow-x: clip;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--nv-font-body);
  font-weight: 600;
  color: var(--nv-text);
  background: var(--nv-bg);
  line-height: 1.4;
}

img {
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

/* Native controls follow the theme tokens (low specificity: component rules win). */
:where(select, textarea, input:not([type]), input[type="text"], input[type="number"],
  input[type="search"], input[type="email"], input[type="password"]):not(.input-underline) {
  background-color: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
}

:where(input[type="range"], input[type="checkbox"], input[type="radio"]) {
  accent-color: var(--color-accent);
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--nv-orange);
  outline-offset: 2px;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  z-index: 100;
  background: var(--nv-orange);
  color: var(--nv-on-orange);
  border-radius: 0.5rem;
}

.skip-link:focus {
  position: fixed;
  top: calc(0.5rem + env(safe-area-inset-top, 0px));
  left: 0.5rem;
  width: auto;
  height: auto;
  margin: 0;
  padding: 0.5rem 1rem;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.screen {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  max-width: 430px;
  margin: 0 auto;
  background: var(--nv-bg);
  overflow-wrap: anywhere;
}

.screen--hero,
.screen--login {
  background: linear-gradient(
    170deg,
    var(--color-accent) 0%,
    var(--color-accent-2) 42%,
    var(--color-accent-soft) 72%,
    var(--color-cream) 100%
  );
  color: var(--on-dark-text);
}

/* The hero gradient stays light in dark mode, so its buttons keep light-theme ink. */
.screen--hero .btn--white,
.screen--login .btn--white {
  background: var(--on-dark-text);
  color: var(--hero-accent-text);
}

.screen--hero .btn--text:not(.btn--text-on-dark),
.screen--login .btn--text:not(.btn--text-on-dark) {
  color: var(--hero-ink);
}

.screen-pad {
  padding: 20px 16px 40px;
}

.screen-body {
  padding: 16px 16px 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.hdr {
  padding: calc(20px + env(safe-area-inset-top, 0px)) 22px 26px;
  color: var(--on-dark-text);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
}

.hdr--lobby {
  padding: calc(18px + env(safe-area-inset-top, 0px))
    max(16px, env(safe-area-inset-right, 0px)) 30px
    max(16px, env(safe-area-inset-left, 0px));
  background: linear-gradient(160deg, var(--color-accent), var(--color-accent-2) 60%, var(--color-accent-3));
}

.lobby-code-row {
  align-items: flex-end;
  flex-wrap: wrap;
  margin-top: 12px;
  gap: 12px;
}

.lobby-invite-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex: 1 1 100%;
  min-width: 0;
}

.lobby-invite-actions .btn {
  min-height: 48px;
  padding: 10px 22px;
  font-size: var(--fs-md);
  flex: 0 0 auto;
}

.hdr--score {
  padding: calc(20px + env(safe-area-inset-top, 0px)) 20px 30px;
  background: linear-gradient(170deg, var(--color-accent), var(--color-accent-2) 65%, var(--color-accent-soft));
}

.hdr--dark {
  background: linear-gradient(135deg, var(--on-dark-bg), var(--on-dark-bg-2));
}

.hdr--finale {
  background: linear-gradient(160deg, var(--on-dark-bg), var(--on-dark-bg-3));
  padding: calc(20px + env(safe-area-inset-top, 0px)) 20px 24px;
}

.hdr--solo {
  background: linear-gradient(135deg, var(--color-teal), var(--color-success));
  padding: calc(20px + env(safe-area-inset-top, 0px)) 22px 30px;
}

.hdr--critical {
  background: linear-gradient(135deg, var(--color-error-2), var(--color-accent));
  transition: background 0.4s var(--ease);
}

.hdr-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  min-width: 0;
}

.hdr-title {
  font-family: var(--nv-font-display);
  font-weight: 700;
  font-size: var(--fs-xl);
  margin: 0;
  flex: 1;
  min-width: 0;
}

.hdr-label {
  font-size: var(--fs-sm);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.85;
}

.icon-btn {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border: 0;
  border-radius: var(--nv-radius-pill);
  background: var(--on-dark-text-22);
  color: var(--on-dark-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
}

.icon-btn--ghost {
  background: rgba(255, 255, 255, 0.16);
  border: 1.5px solid rgba(255, 255, 255, 0.5);
  width: 42px;
  height: 42px;
}