:root {
  --ui-focus-color: rgba(102, 126, 234, 0.38);
  --ui-focus-shadow: 0 0 0 3px rgba(102, 126, 234, 0.18);
  --ui-radius-sm: 10px;
  --ui-radius-md: 12px;
  --ui-radius-lg: 20px;
  --ui-surface: #ffffff;
  --ui-surface-muted: #f8f9fa;
  --ui-border: #e0e0e0;
  --ui-border-strong: #d4d8e2;
  --ui-text-muted: #666666;
  --ui-brand: #667eea;
  --ui-brand-dark: #764ba2;
}

:focus-visible {
  outline: 3px solid var(--ui-focus-color);
  outline-offset: 2px;
  box-shadow: var(--ui-focus-shadow);
}

.language-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
}

.language-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.language-option {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--ui-border-strong);
  border-radius: var(--ui-radius-md);
  background: var(--ui-surface);
  color: #1f2937;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.language-option:hover {
  border-color: var(--ui-brand);
  background: #f8faff;
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.12);
  transform: translateY(-1px);
}

.language-option img,
.language-flag {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.service-card {
  height: 100%;
  cursor: pointer;
}

.service-card .card-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.service-card .card-title,
.service-card .card-text {
  margin-bottom: 0;
}

.page-modern .container {
  max-width: 800px;
}

.page-modern .hero-section {
  position: relative;
  overflow: hidden;
  margin-bottom: 40px;
  padding: 80px 0 64px;
  background:
    radial-gradient(circle at 0% 0%, #4f46e5 0%, transparent 55%),
    radial-gradient(circle at 100% 100%, #ec4899 0%, transparent 55%),
    #020617;
  color: #f9fafb;
}

.page-modern .hero-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.4), rgba(15, 23, 42, 0.2));
  opacity: 0.9;
}

.page-modern .hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.page-modern .hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  padding: 6px 14px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.7);
  color: #e5e7eb;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-modern .hero-pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #22c55e;
}

.page-modern .hero-title {
  margin-bottom: 14px;
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.page-modern .hero-subtitle {
  max-width: 620px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.9;
  opacity: 0.92;
}

.page-modern .auth-card {
  border: none;
  border-radius: var(--ui-radius-lg);
  padding: 2rem;
  background: var(--ui-surface);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.page-modern .auth-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.page-modern label {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: #333333;
  font-size: 0.95rem;
  font-weight: 600;
}

.page-modern .form-control {
  min-height: 44px;
  border: 2px solid var(--ui-border);
  border-radius: var(--ui-radius-sm);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-modern .form-control:focus {
  border-color: var(--ui-brand);
  box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.15);
  outline: none;
}

.page-modern .form-control:valid {
  border-color: #28a745;
}

.page-modern .form-control:invalid:not(:placeholder-shown) {
  border-color: #dc3545;
}

.page-modern .helper-text,
.page-modern .form-text,
.page-modern .invalid-feedback,
.page-modern .valid-feedback {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.6;
}

.page-modern .helper-text,
.page-modern .form-text {
  color: var(--ui-text-muted);
}

.page-modern .btn-cta {
  min-height: 52px;
  padding: 0.75rem 1.5rem;
  border-radius: var(--ui-radius-md);
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-modern .btn-primary.btn-cta,
.page-modern .btn-cta:not(.btn-outline-secondary) {
  border: none;
  background: linear-gradient(135deg, var(--ui-brand) 0%, var(--ui-brand-dark) 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.page-modern .btn-primary.btn-cta:hover,
.page-modern .btn-cta:not(.btn-outline-secondary):hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--ui-brand-dark) 0%, var(--ui-brand) 100%);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.page-modern .btn-primary.btn-cta:active,
.page-modern .btn-cta:not(.btn-outline-secondary):active {
  transform: translateY(0);
}

.page-modern .btn-outline-secondary.btn-cta {
  border: 2px solid var(--ui-border);
  background: var(--ui-surface);
  color: #6c757d;
}

.page-modern .btn-outline-secondary.btn-cta:hover:not(:disabled) {
  border-color: var(--ui-brand);
  background: rgba(102, 126, 234, 0.05);
  color: var(--ui-brand);
}

.page-modern .btn-outline-secondary.btn-cta:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.page-modern .result-card {
  border: 2px solid #e7e7e7;
  border-radius: 18px;
  background: var(--ui-surface);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.page-modern .result-card:hover {
  transform: translateY(-3px);
  border-color: var(--ui-brand);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.page-modern .result-card .card-body {
  color: #555555;
}

.page-modern .result-card a {
  color: var(--ui-brand);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-modern .result-card a:hover {
  color: var(--ui-brand-dark);
  text-decoration: underline;
}

.page-modern .result-card-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--ui-brand);
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.5;
}

.page-modern .result-card-title-lg {
  font-size: 1.25rem;
}

.page-modern .purchase-card-title {
  color: #1f2937;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.5;
}

.page-modern .muted {
  color: rgba(0, 0, 0, 0.6);
}

.page-modern .tiny {
  font-size: 0.875rem;
  line-height: 1.6;
}

.page-modern .section-title {
  position: relative;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  color: #333333;
  font-size: 1.25rem;
  font-weight: 700;
}

.page-modern .section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--ui-brand) 0%, var(--ui-brand-dark) 100%);
}

.page-modern .form-check {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-bottom: 0;
}

.page-modern .form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.25rem;
  margin-right: 0.75rem;
  flex-shrink: 0;
  cursor: pointer;
}

.page-modern .form-check-input:checked {
  background-color: var(--ui-brand);
  border-color: var(--ui-brand);
}

.page-modern .form-check-label {
  flex: 1;
  color: #333333;
  font-size: 0.95rem;
  line-height: 1.6;
  cursor: pointer;
}

body.page-checkout {
  padding-bottom: 100px;
}

body.page-fixed-header {
  padding-top: 70px;
}

.page-checkout .pay-card {
  position: relative;
  overflow: hidden;
  border: none;
  border-radius: var(--ui-radius-lg);
  background: linear-gradient(135deg, var(--ui-brand) 0%, var(--ui-brand-dark) 100%);
  color: #ffffff;
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.25);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-checkout .pay-card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  animation: ui-system-float 20s linear infinite;
  pointer-events: none;
}

.page-checkout .pay-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(102, 126, 234, 0.35);
}

.page-checkout .pay-card .card-body {
  position: relative;
  z-index: 1;
}

.page-checkout .pay-card h5,
.page-checkout .pay-card b {
  color: #ffffff;
  font-weight: 800;
}

.page-checkout .pay-card .text-muted {
  color: rgba(255, 255, 255, 0.9) !important;
}

.page-checkout .pay-card hr {
  margin: 1rem 0;
  border-color: rgba(255, 255, 255, 0.2);
}

.page-checkout .pay-amount {
  color: #ffffff;
  font-size: 24px;
  font-weight: 900;
  line-height: 1;
}

.page-checkout .pay-amount small {
  font-size: 16px;
  font-weight: 600;
  opacity: 0.92;
}

.page-checkout .widget-box,
.page-checkout .bd-callout-info {
  border: 2px solid var(--ui-border);
  border-radius: var(--ui-radius-lg);
  background: var(--ui-surface);
  padding: 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-checkout .widget-box:hover {
  border-color: var(--ui-brand);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.12);
}

.page-checkout .paybar {
  z-index: 99999;
  border-top: 1px solid var(--ui-border);
  background: var(--ui-surface);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.12);
  padding-bottom: env(safe-area-inset-bottom);
}

.page-checkout .paybar-btn {
  min-height: 52px;
  border: none;
  border-radius: var(--ui-radius-md);
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--ui-brand) 0%, var(--ui-brand-dark) 100%);
  color: #ffffff;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.page-checkout .paybar-btn:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--ui-brand-dark) 0%, var(--ui-brand) 100%);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.page-checkout .paybar-btn:active {
  transform: translateY(0);
}

.page-checkout .paybar-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.page-checkout .bottom-space {
  height: 120px;
}

.page-checkout .pay-loading {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999999;
  align-items: center;
  justify-content: center;
  padding: 24px;
  color: #ffffff;
  text-align: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.page-checkout .pay-loading .box {
  width: 100%;
  max-width: 360px;
  padding: 2rem;
  border-radius: var(--ui-radius-lg);
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.95) 0%, rgba(118, 75, 162, 0.95) 100%);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.page-checkout .spinner-border {
  width: 2.5rem;
  height: 2.5rem;
  margin: 1rem 0;
  border-width: 3px;
}

.page-checkout .text-center a {
  color: var(--ui-brand);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-checkout .text-center a:hover {
  color: var(--ui-brand-dark);
  text-decoration: underline;
}

@keyframes ui-system-float {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }
  100% {
    transform: translate(50px, 50px) rotate(360deg);
  }
}

@media (max-width: 768px) {
  .page-modern .hero-section {
    margin-bottom: 30px;
    padding: 2rem 0;
  }

  .page-modern .hero-title {
    font-size: 2.1rem;
  }

  .page-modern .auth-card,
  .page-modern .result-card {
    border-radius: 16px;
  }

  .page-modern .form-control {
    font-size: 16px;
  }

  .page-modern .btn-cta {
    min-height: 48px;
    font-size: 1rem;
  }

  body.page-checkout {
    padding-bottom: 120px;
  }

  .page-checkout .pay-card {
    border-radius: 16px;
  }

  .page-checkout .widget-box,
  .page-checkout .bd-callout-info {
    padding: 1.25rem;
    border-radius: 16px;
  }

  .page-checkout .paybar-btn {
    min-height: 48px;
    font-size: 15px;
    padding: 0.65rem 1.25rem;
  }
}

@media (max-width: 400px) {
  .language-grid {
    grid-template-columns: 1fr;
  }
}