:root {
  --pb-blue: #0d3c94;
  --pb-dark-blue: #0b2447;
  --pb-text-slate: #1c2d42;
  --pb-green: #25a27b;
  --pb-green-light: #eefbf5;
  --pb-green-border: #c2ebd9;
  --pb-orange: #ff5630;
  --pb-orange-hover: #ff451a;
  --pb-gray-border: #d3dbe6;
  --pb-bg-light: #f1f5f9;
  --pb-text-muted: #718096;
  --pb-link-color: #0065ff;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Open Sans', sans-serif;
  background-color: #ffffff;
  color: var(--pb-text-slate);
  line-height: 1.5;
  overflow-x: hidden;
  opacity: 0;
  animation: fadeInPage 0.8s ease forwards;
}

@keyframes fadeInPage {
  to { opacity: 1; }
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f7fafc;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
  transition: var(--transition-smooth);
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

header {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  background-color: #ffffff;
  transition: var(--transition-smooth);
}

.help-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--pb-green-light);
  border: 1px solid var(--pb-green-border);
  color: var(--pb-green);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 24px;
  cursor: pointer;
  transition: var(--transition-smooth);
  outline: none;
}

.help-btn:hover {
  background-color: #d8f5e9;
  border-color: #a3e2c6;
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(37, 162, 123, 0.08);
}

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

.phone-icon {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}

.help-btn:hover .phone-icon {
  transform: rotate(15deg) scale(1.1);
}

.promo-banner {
  width: 100%;
  height: 32px;
  background-color: #e6f9f3;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid #d4f2e7;
}

.promo-badge {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  background-color: #00b275;
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
  box-shadow: 2px 0 6px rgba(0, 178, 117, 0.15);
  animation: slideInBadge 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideInBadge {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

.main-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  text-align: center;
}

.main-title {
  font-family: 'Lora', serif;
  font-size: 38px;
  font-weight: 600;
  color: var(--pb-text-slate);
  margin-bottom: 36px;
  line-height: 1.35;
  letter-spacing: -0.5px;
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.title-highlight {
  color: #d61a5e;
  font-weight: 700;
}

.sub-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--pb-text-slate);
  margin-bottom: 24px;
  letter-spacing: -0.2px;
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
  opacity: 0;
}

.members-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 860px;
  margin: 0 auto;
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.15s forwards;
  opacity: 0;
}

.member-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  background-color: #ffffff;
  border: 1px solid var(--pb-gray-border);
  border-radius: 12px;
  padding: 22px 24px;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  text-decoration: none;
}

.member-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.custom-radio {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 1.5px solid #b2c1d3;
  border-radius: 50%;
  background-color: #ffffff;
  transition: var(--transition-smooth);
  flex-shrink: 0;
}

.member-name {
  font-size: 18px;
  font-weight: 500;
  color: #2d3748;
  transition: color 0.2s ease, font-weight 0.2s ease;
}

.member-card:hover:not(.selected) {
  border-color: #a0aec0;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.member-card.selected {
  border-color: var(--pb-green);
  border-width: 2px;
  padding: 21px 23px;
  box-shadow: 0 4px 14px rgba(37, 162, 123, 0.08);
  transform: scale(1.01);
}

.member-card.selected .custom-radio {
  border-color: var(--pb-green);
  background-color: #ffffff;
  transform: scale(1.05);
}

.member-card.selected .custom-radio::after {
  content: "";
  width: 10px;
  height: 10px;
  background-color: var(--pb-green);
  border-radius: 50%;
  animation: radioPop 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.2) forwards;
}

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

.member-card.selected .member-name {
  color: var(--pb-green);
  font-weight: 600;
}

.more-members-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 28px auto 0;
  cursor: pointer;
  user-select: none;
  padding: 6px 12px;
  border-radius: 8px;
  transition: var(--transition-smooth);
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.25s forwards;
  opacity: 0;
}

.more-members-btn:hover {
  background-color: #f0fbf7;
}

.green-dot {
  width: 7px;
  height: 7px;
  background-color: var(--pb-green);
  border-radius: 50%;
  display: inline-block;
}

.btn-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--pb-green);
  border-bottom: 1px dashed var(--pb-green);
  padding-bottom: 1px;
  transition: border-bottom-color 0.2s ease;
}

.more-members-btn:hover .btn-text {
  border-bottom-style: solid;
}

.chevron-icon {
  color: var(--pb-green);
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 3;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chevron-icon.rotated {
  transform: rotate(180deg);
}

.extra-members-wrapper {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
}

.extra-members-wrapper.open {
  opacity: 1;
  margin-top: 16px;
}

.extra-members-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-bottom: 8px;
}

.footer-action-section {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
  opacity: 0;
}

.continue-btn {
  width: 320px;
  height: 52px;
  background-color: var(--pb-orange);
  color: #ffffff;
  font-family: inherit;
  font-size: 18px;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  box-shadow: 0 6px 20px rgba(255, 86, 48, 0.28);
  transition: var(--transition-smooth);
  outline: none;
}

.continue-btn:hover {
  background-color: var(--pb-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255, 86, 48, 0.38);
}

.continue-btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 4px 12px rgba(255, 86, 48, 0.2);
}

.continue-btn.loading {
  background-color: var(--pb-orange-hover);
  pointer-events: none;
}

.continue-btn.loading span {
  display: none;
}

.continue-btn.loading::after {
  content: "";
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: spin 0.8s ease-in-out infinite;
}

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

.disclaimer-text {
  margin-top: 16px;
  font-size: 13px;
  color: var(--pb-text-muted);
  max-width: 500px;
  line-height: 1.4;
}

.disclaimer-link {
  color: var(--pb-link-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

.disclaimer-link:hover {
  text-decoration: underline;
  color: #004ecc;
}

@keyframes slideUp {
  from {
    transform: translateY(24px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (max-width: 768px) {
  header {
    padding: 12px 16px;
  }

  .help-btn {
    padding: 6px 14px;
    font-size: 14px;
  }

  .main-container {
    padding: 32px 16px 60px;
  }

  .main-title {
    font-size: 28px;
    margin-bottom: 24px;
  }

  .members-grid,
  .extra-members-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .member-card {
    padding: 16px 18px;
    gap: 12px;
  }

  .member-card.selected {
    padding: 15px 17px;
  }

  .member-name {
    font-size: 16px;
  }

  .custom-radio {
    width: 20px;
    height: 20px;
  }

  .member-card.selected .custom-radio::after {
    width: 8px;
    height: 8px;
  }

  .continue-btn {
    width: 100%;
    max-width: 320px;
  }
}

@media (max-width: 480px) {
  .members-grid,
  .extra-members-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .main-title {
    font-size: 24px;
  }

  .sub-title {
    font-size: 16px;
  }
}