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

html {
  min-width: 320px;
  min-height: 100%;
  background: var(--canvas-deep);
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
}

body {
  min-width: 320px;
  min-height: 100vh;
  min-height: 100svh;
  margin: 0;
  color: var(--text-primary);
  background:
    radial-gradient(circle at 7% -8%, rgb(255 138 0 / 18%), transparent 30rem),
    radial-gradient(circle at 96% 3%, rgb(255 0 122 / 16%), transparent 32rem),
    linear-gradient(180deg, #0b0b0e 0%, var(--canvas) 48%, var(--canvas-deep) 100%);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: var(--leading-copy);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* Decorative layers never exceed the viewport and therefore cannot hide layout overflow. */
body::before,
body::after {
  content: "";
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
}

body::before {
  background-image:
    linear-gradient(rgb(255 255 255 / 2.1%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 2.1%) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 80%);
}

body::after {
  background:
    radial-gradient(ellipse at 50% 118%, rgb(255 77 63 / 8%), transparent 42%),
    radial-gradient(ellipse at 84% 18%, rgb(255 0 122 / 5%), transparent 34%);
}

body.modal-open,
body.dialog-open {
  overflow: hidden;
}

::selection {
  color: var(--on-brand);
  background: var(--brand-coral);
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
select {
  cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
[aria-disabled="true"] {
  cursor: not-allowed;
}

img,
svg {
  max-width: 100%;
}

img {
  height: auto;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1,
h2,
h3 {
  color: var(--text-primary);
  line-height: var(--leading-tight);
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 2.2vw, 1.65rem);
}

h3 {
  margin: 0 0 8px;
  font-size: 1.125rem;
}

p {
  margin: 0 0 12px;
  color: var(--text-secondary);
}

code,
pre {
  font-family: var(--font-mono);
}

:where(button, a, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 0;
  box-shadow: var(--focus-ring);
}

[hidden] {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.lead,
.flow-lead {
  max-width: 760px;
  color: var(--text-secondary);
  font-size: clamp(1.02rem, 1.7vw, 1.2rem);
  line-height: 1.65;
}

.fineprint,
.mini {
  color: var(--text-tertiary);
  font-size: .82rem;
}

.gradient-text,
.gradient-warning,
.gradient-danger {
  color: var(--text-primary);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

@supports ((background-clip: text) or (-webkit-background-clip: text)) {
  .gradient-text,
  .gradient-warning,
  .gradient-danger {
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .gradient-text { background-image: var(--brand-gradient); }
  .gradient-warning { background-image: linear-gradient(90deg, #ffe19a, var(--warning)); }
  .gradient-danger { background-image: linear-gradient(90deg, #ff9bab, var(--danger)); }
}

.ui-icon {
  width: 1.25em;
  height: 1.25em;
  display: block;
  fill: none;
  stroke: currentcolor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.success-mark .ui-icon,
.problem-icon .ui-icon {
  width: 34px;
  height: 34px;
  stroke-width: 2.2;
}

.telegram-symbol .ui-icon {
  width: 25px;
  height: 25px;
}

.lock-icon .ui-icon {
  width: 26px;
  height: 26px;
}

.app-loading,
.noscript,
.state-box {
  width: min(100%, 620px);
  min-height: 250px;
  margin: clamp(32px, 12vh, 120px) auto;
  padding: clamp(24px, 5vw, 42px);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 16px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--surface-glass);
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.app-loading .logo {
  width: 78px;
  height: 78px;
  border-radius: 24px;
}

.state-box h3,
.state-box p {
  margin: 0;
}

.state-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: var(--danger);
  background: var(--danger-soft);
  font-size: 1.6rem;
  font-weight: 900;
}

.skeleton {
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--surface-soft), var(--surface-hover), var(--surface-soft));
  background-size: 220% 100%;
  animation: skeletonShift 1.3s linear infinite;
}

.skeleton-title {
  max-width: 320px;
  height: 24px;
}

.skeleton-line {
  max-width: 480px;
  height: 13px;
}

.skeleton-line.short {
  max-width: 260px;
}

@keyframes skeletonShift {
  to { background-position: -220% 0; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 640px) {
  html,
  body {
    min-width: 0;
  }

  body::before {
    background-size: 42px 42px;
  }

  .app-loading,
  .noscript,
  .state-box {
    min-height: 220px;
    margin-block: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media (forced-colors: active) {
  :root {
    --focus-ring: 0 0 0 3px Highlight;
  }

  .gradient-text,
  .gradient-warning,
  .gradient-danger {
    color: CanvasText;
    background: none;
  }

  .ui-icon {
    forced-color-adjust: auto;
  }
}