*,
*::before,
*::after {
  box-sizing: border-box;
  scrollbar-width: none;
}

.brand-logo {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  flex-shrink: 0;
}

*::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

html,
body,
#app {
  height: 100%;
  min-height: 100%;
  min-height: 100dvh;
  margin: 0;
  width: 100%;
  max-width: 100%;
}

html {
  font-size: var(--font-size-base);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  overflow-x: clip;
}

body {
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--by-ink);
  background-color: var(--by-bg);
  background-image:
    radial-gradient(1100px 560px at 8% -8%, rgba(232, 238, 245, 0.95), transparent 58%),
    radial-gradient(900px 480px at 100% 0%, rgba(232, 240, 233, 0.9), transparent 52%),
    radial-gradient(700px 420px at 50% 110%, rgba(237, 242, 246, 0.85), transparent 55%),
    linear-gradient(180deg, #f7fafc 0%, var(--by-bg) 40%, var(--by-bg-warm) 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
  overflow-x: clip;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
  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='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: soft-light;
}

#app {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

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

a {
  color: var(--by-indigo);
}

img {
  max-width: 100%;
  display: block;
}

h1,
h2,
h3,
.display {
  font-family: var(--font-display);
  font-weight: 650;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0;
  line-height: 1.6;
}

.app-root {
  flex: 1 1 auto;
  height: 100%;
  min-height: 100%;
  min-height: 100dvh;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
  box-sizing: border-box;
}

.demo-root {
  height: 100%;
  min-height: 100%;
  min-height: 100dvh;
  width: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  overflow-x: clip;
  background:
    radial-gradient(900px 420px at 0% 0%, var(--by-indigo-wash), transparent 55%),
    radial-gradient(800px 380px at 100% 0%, var(--by-sage-wash), transparent 50%),
    transparent;
}

.demo-main {
  flex: 1 1 auto;
  min-height: 0;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  /* Content starts below frosted chrome, then scrolls underneath */
  padding-top: calc(var(--chrome-h) + env(safe-area-inset-top, 0px) + 0.15rem);
  height: 100%;
  overflow-y: auto;
  overflow-x: clip;
  -webkit-overflow-scrolling: touch;
  /* Allow children to own pan-x; avoid pan-y alone blocking carousels */
  touch-action: manipulation;
  box-sizing: border-box;
}

.btn {
  appearance: none;
  border: none;
  border-radius: 999px;
  min-height: var(--tap-min);
  padding: 0.9rem 1.45rem;
  background: linear-gradient(165deg, var(--by-indigo-mid), var(--by-indigo) 45%, var(--by-indigo-deep));
  color: var(--by-surface);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: var(--by-shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transition:
    transform 0.28s var(--ease-out),
    background 0.28s ease,
    box-shadow 0.28s ease;
}

.btn:hover {
  background: linear-gradient(165deg, #6a86a8, var(--by-indigo-deep));
  transform: translateY(-2px);
  box-shadow: var(--by-shadow-lift);
}

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

.btn-secondary {
  background: var(--by-surface-glass);
  color: var(--by-indigo);
  border: 1px solid var(--by-line);
  box-shadow: var(--by-ring);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: var(--by-surface);
  border-color: var(--by-indigo-mid);
}

.btn-ghost {
  background: transparent;
  color: var(--by-indigo);
  box-shadow: none;
  border: 1px solid transparent;
}

.btn-ghost:hover {
  background: var(--by-indigo-wash);
  box-shadow: none;
  transform: none;
}

.btn-sage {
  background: linear-gradient(165deg, #8fb093, var(--by-sage));
  color: var(--by-surface);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.38rem 0.75rem;
  border-radius: 999px;
  background: var(--by-indigo-soft);
  color: var(--by-indigo-deep);
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid rgba(61, 90, 128, 0.08);
}

.chip-sage {
  background: var(--by-sage-soft);
  color: #3d5c42;
  border-color: rgba(122, 158, 126, 0.18);
}

.card {
  background: var(--by-surface-glass);
  border: 1px solid var(--by-line-soft);
  border-radius: var(--radius);
  box-shadow: var(--by-shadow-sm), var(--by-ring);
  backdrop-filter: blur(12px);
  transition:
    transform 0.32s var(--ease-out),
    box-shadow 0.32s var(--ease-out),
    border-color 0.32s ease;
}

.card:hover {
  box-shadow: var(--by-shadow), var(--by-ring);
}

.muted {
  color: var(--by-ink-muted);
}

.tiny {
  font-size: 0.78rem;
}

.fade-in {
  animation: fadeIn 0.45s var(--ease-out) both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes softGlow {
  0%,
  100% {
    opacity: 0.55;
  }
  50% {
    opacity: 0.9;
  }
}

@keyframes successPop {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.success-pop {
  animation: successPop 0.4s var(--ease-out) both;
}

.rise-in {
  animation: riseIn 0.55s var(--ease-out) both;
}

@media (max-width: 768px) {
  body {
    line-height: 1.65;
  }

  p {
    line-height: 1.65;
  }

  .btn {
    min-height: var(--tap-min);
    padding: 1rem 1.45rem;
    font-size: 1.12rem;
  }

  .btn-ghost {
    min-height: var(--tap-min);
  }

  input:not([type="checkbox"]):not([type="radio"]),
  select,
  textarea {
    min-height: var(--tap-min);
    font-size: 1.08rem;
  }

  .chip {
    font-size: 0.82rem;
    padding: 0.48rem 0.9rem;
    min-height: 1.85rem;
  }

  .tiny {
    font-size: 0.85rem;
  }

  .card {
    border-radius: calc(var(--radius) - 2px);
  }
}

@media (max-width: 640px) {
  .btn {
    font-size: 1.14rem;
    padding: 1.05rem 1.5rem;
  }

  .chip {
    font-size: 0.82rem;
  }

  .tiny {
    font-size: 0.85rem;
  }
}