body {
  --page-bg: #f4f7fb;
  --page-text: #162033;
  --page-accent-1: rgba(59, 130, 246, 0.14);
  --page-accent-2: rgba(6, 182, 212, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(148, 163, 184, 0.18);
  --surface-bg: #ffffff;
  --surface-border: rgba(15, 23, 42, 0.08);
  --surface-shadow: 0 10px 24px rgba(15, 23, 42, 0.05);
  --surface-nested-bg: #ffffff;
  --surface-nested-border: rgba(15, 23, 42, 0.08);
  --surface-nested-shadow: 0 6px 16px rgba(15, 23, 42, 0.04);
  --hero-badge-bg: rgba(59, 130, 246, 0.1);
  --hero-badge-color: #1d4ed8;
  --hero-badge-border: rgba(59, 130, 246, 0.08);
  --qr-box-bg: linear-gradient(180deg, rgba(59, 130, 246, 0.04), rgba(255, 255, 255, 0.98));
  --qr-box-border: rgba(15, 23, 42, 0.12);
  --qr-box-glow: rgba(59, 130, 246, 0.12);
  --alert-bg: linear-gradient(135deg, rgba(255, 251, 235, 0.98), rgba(255, 244, 214, 0.96));
  --alert-border: rgba(245, 158, 11, 0.22);
  --alert-color: #6b4f00;
  --outline-btn-bg: rgba(255, 255, 255, 0.72);
  --outline-btn-border: rgba(148, 163, 184, 0.32);
  --outline-btn-color: #334155;
  --outline-btn-hover-bg: rgba(241, 245, 249, 0.96);
  --outline-btn-hover-border: rgba(100, 116, 139, 0.4);
  --readonly-bg: rgba(248, 250, 252, 0.94);
  --readonly-border: rgba(203, 213, 225, 0.82);
  --readonly-color: #0f172a;
  min-height: 100vh;
  position: relative;
  isolation: isolate;
  color: var(--page-text);
  background:
    radial-gradient(circle at top left, var(--page-accent-1), transparent 34%),
    radial-gradient(circle at top right, var(--page-accent-2), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0)),
    var(--page-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.22), transparent 22%),
    radial-gradient(circle at 85% 0%, rgba(255, 255, 255, 0.18), transparent 18%);
}

html[data-bs-theme="dark"] body {
  --page-bg: #08111f;
  --page-text: #e2e8f0;
  --page-accent-1: transparent;
  --page-accent-2: transparent;
  --glass-bg: #111827;
  --glass-border: rgba(255, 255, 255, 0.06);
  --surface-bg: #111827;
  --surface-border: rgba(255, 255, 255, 0.06);
  --surface-shadow: 0 8px 18px rgba(0, 0, 0, 0.18);
  --surface-nested-bg: #0f172a;
  --surface-nested-border: rgba(255, 255, 255, 0.06);
  --surface-nested-shadow: none;
  --hero-badge-bg: rgba(59, 130, 246, 0.14);
  --hero-badge-color: #93c5fd;
  --hero-badge-border: rgba(59, 130, 246, 0.18);
  --qr-box-bg: #0f172a;
  --qr-box-border: rgba(255, 255, 255, 0.08);
  --qr-box-glow: transparent;
  --alert-bg: #2a2112;
  --alert-border: rgba(245, 158, 11, 0.2);
  --alert-color: #f6d68b;
  --outline-btn-bg: #111827;
  --outline-btn-border: rgba(255, 255, 255, 0.1);
  --outline-btn-color: #e2e8f0;
  --outline-btn-hover-bg: #1f2937;
  --outline-btn-hover-border: rgba(255, 255, 255, 0.14);
  --readonly-bg: #0b1220;
  --readonly-border: rgba(71, 85, 105, 0.8);
  --readonly-color: #f8fafc;
  background: #0f1115;
}

html[data-bs-theme="dark"] body::before {
  display: none;
}

.coin-header,
footer.container {
  position: relative;
  z-index: 1;
}

.coin-header {
  padding-top: 1.15rem !important;
  padding-bottom: 0.9rem !important;
}

.coin-header__inner {
  padding: 0.2rem 0 0.9rem;
  border-bottom: 1px solid rgba(15, 23, 42, 0.1);
  background: transparent;
  box-shadow: none;
}

.coin-header__brand {
  margin: 0;
  font-size: clamp(2.3rem, 2.05rem + 1vw, 3rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
  font-weight: 800;
  color: var(--page-text);
}

footer.container {
  border-top-color: var(--glass-border) !important;
}

#themeToggle {
  min-width: 48px;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  border-color: var(--outline-btn-border);
  background: rgba(255, 255, 255, 0.92);
  color: var(--outline-btn-color);
  box-shadow: none;
}

#themeToggle:hover,
#themeToggle:focus-visible {
  background: var(--outline-btn-hover-bg);
  border-color: var(--outline-btn-hover-border);
  color: var(--outline-btn-color);
  transform: none;
}

.btn-outline-secondary {
  --bs-btn-color: var(--outline-btn-color);
  --bs-btn-bg: var(--outline-btn-bg);
  --bs-btn-border-color: var(--outline-btn-border);
  --bs-btn-hover-color: var(--outline-btn-color);
  --bs-btn-hover-bg: var(--outline-btn-hover-bg);
  --bs-btn-hover-border-color: var(--outline-btn-hover-border);
  --bs-btn-active-color: var(--outline-btn-color);
  --bs-btn-active-bg: var(--outline-btn-hover-bg);
  --bs-btn-active-border-color: var(--outline-btn-hover-border);
}

html[data-bs-theme="dark"] .text-muted,
html[data-bs-theme="dark"] .text-body-secondary {
  color: rgba(226, 232, 240, 0.72) !important;
}

html[data-bs-theme="dark"] .checkout-shell .display-6 {
  color: #f8fafc;
  text-shadow: none;
}

html[data-bs-theme="dark"] .coin-header__inner {
  border-bottom-color: rgba(255, 255, 255, 0.08);
}

html[data-bs-theme="dark"] footer.container {
  border-top-color: rgba(255, 255, 255, 0.08) !important;
}

html[data-bs-theme="dark"] .hero-badge {
  background: var(--hero-badge-bg);
  color: var(--hero-badge-color);
  border: 1px solid var(--hero-badge-border);
  box-shadow: none;
}

html[data-bs-theme="dark"] .soft-card {
  background: var(--surface-bg);
  border-color: var(--surface-border);
  box-shadow: var(--surface-shadow);
  color: #e2e8f0;
}

html[data-bs-theme="dark"] .soft-card .soft-card {
  background: var(--surface-nested-bg);
  border-color: var(--surface-nested-border);
  box-shadow: var(--surface-nested-shadow);
}

html[data-bs-theme="dark"] .soft-card .label,
html[data-bs-theme="dark"] .soft-card .small,
html[data-bs-theme="dark"] .soft-card .text-muted {
  color: rgba(226, 232, 240, 0.68) !important;
}

html[data-bs-theme="dark"] .soft-card .fw-semibold,
html[data-bs-theme="dark"] .soft-card .fw-bold,
html[data-bs-theme="dark"] .soft-card .value {
  color: #f8fafc;
}

html[data-bs-theme="dark"] .qr-box {
  border-color: var(--qr-box-border);
  background: var(--qr-box-bg);
  box-shadow: none;
}

html[data-bs-theme="dark"] .qr-box::before {
  display: none;
}

html[data-bs-theme="dark"] .qr-box img {
  padding: 0.5rem;
  border-radius: 16px;
  background: #ffffff;
  box-shadow: none;
}

html[data-bs-theme="dark"] .alert.alert-warning {
  color: var(--alert-color);
  background: var(--alert-bg);
  border: 1px solid var(--alert-border) !important;
  box-shadow: none;
}

html[data-bs-theme="dark"] .alert.alert-warning h5 {
  color: #fef3c7;
}

html[data-bs-theme="dark"] .alert.alert-warning ol,
html[data-bs-theme="dark"] .alert.alert-warning li,
html[data-bs-theme="dark"] .alert.alert-warning p {
  color: var(--alert-color);
}

html[data-bs-theme="dark"] .form-control[readonly],
html[data-bs-theme="dark"] .form-control:disabled {
  background-color: var(--readonly-bg);
  border-color: var(--readonly-border);
  color: var(--readonly-color);
}

html[data-bs-theme="dark"] .form-control[readonly]:focus,
html[data-bs-theme="dark"] .form-control:disabled:focus {
  border-color: rgba(96, 165, 250, 0.28);
  box-shadow: 0 0 0 0.2rem rgba(96, 165, 250, 0.12);
}

html[data-bs-theme="dark"] .btn-gradient {
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
}

html[data-bs-theme="dark"] .btn-gradient:hover {
  box-shadow: 0 10px 22px rgba(14, 165, 233, 0.22);
}

@media (max-width: 767.98px) {
  .coin-header {
    padding-top: 1rem !important;
    padding-bottom: 0.75rem !important;
  }

  .coin-header__inner {
    padding-bottom: 0.75rem;
  }

  .coin-header__brand {
    font-size: clamp(2rem, 1.8rem + 1vw, 2.5rem);
  }

  #themeToggle {
    min-width: 44px;
    min-height: 44px;
  }
}