:root {
  --pp-color-ink: #2a2e33;
  --pp-color-brand: #459fa0;
  --pp-color-brand-soft: rgba(69, 159, 160, 0.12);
  --pp-color-peach: #f7c892;
  --pp-color-danger: #bf5245;
  --pp-color-action: #e3824a;
  --pp-color-action-hover: #d06c2c;
  --pp-color-warm: #fff5e1;
  --pp-color-page: #ffffff;
  --pp-color-surface: #f8f9fa;
  --pp-color-text: #2a2e33;
  --pp-color-text-muted: #64748b;
  --pp-color-border: #e2e8f0;
  --pp-color-border-strong: #cbd5e1;
  --pp-font-sans: "Google Sans Flex", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --pp-font-serif: "Noto Serif", Georgia, serif;
  --pp-shadow-soft: 0 20px 50px rgba(42, 46, 51, 0.1);
}

body.pp-design-system {
  min-height: 100svh;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  background: var(--pp-color-page);
  color: var(--pp-color-text);
  font-family: var(--pp-font-serif);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.pp-design-system h1,
body.pp-design-system h2,
body.pp-design-system h3,
body.pp-design-system button,
body.pp-design-system input,
body.pp-design-system .navbar-link,
body.pp-design-system .footer-link,
body.pp-design-system .price {
  font-family: var(--pp-font-sans);
}

body.pp-design-system a:focus-visible,
body.pp-design-system button:focus-visible,
body.pp-design-system input:focus-visible {
  outline: 3px solid rgba(69, 159, 160, 0.34);
  outline-offset: 3px;
}

.pp-announcement {
  position: relative;
  z-index: 1100;
  padding: 0.7rem 1.5rem;
  background: var(--pp-color-ink);
  color: #ffffff;
  font-family: var(--pp-font-sans);
  font-size: 0.9rem;
  font-weight: 520;
  line-height: 1.45;
  text-align: center;
  animation: pp-banner-arrival 0.42s ease-out both;
}

.pp-announcement a {
  display: inline-block;
  margin: 0 0.18rem;
  color: var(--pp-color-peach);
  font-weight: 760;
  text-decoration-line: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color 180ms ease, text-underline-offset 180ms ease;
}

.pp-announcement a::after {
  content: " \2197";
  display: inline-block;
  font-size: 0.85em;
  text-decoration: none;
  transition: transform 180ms ease;
}

.pp-announcement a:hover {
  color: #ffffff;
  text-underline-offset: 5px;
}

.pp-announcement a:hover::after {
  transform: translate(2px, -2px);
}

body.pp-design-system .navbar.pp-site-header {
  box-sizing: border-box;
  position: sticky;
  top: 0;
  right: auto;
  left: auto;
  z-index: 1000;
  min-height: 72px;
  height: 72px;
  padding: 0.65rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--pp-color-border);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

body.pp-design-system .navbar-logo {
  width: auto;
  height: 36px;
  object-fit: contain;
}

body.pp-design-system .navbar-links {
  align-items: center;
  gap: clamp(0.5rem, 2vw, 1.5rem);
}

body.pp-design-system .navbar-link {
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  color: var(--pp-color-text-muted);
  font-size: 0.92rem;
  font-weight: 580;
  transition: color 180ms ease, background-color 180ms ease;
}

body.pp-design-system .navbar-link:hover {
  background: var(--pp-color-warm);
  color: var(--pp-color-ink);
}

body.pp-auth-page .signin-container,
body.pp-subscribe-page > .container {
  box-sizing: border-box;
  width: calc(100% - 2rem);
  margin: clamp(3rem, 8vw, 6rem) auto;
  border: 1px solid var(--pp-color-border);
  border-radius: 18px;
  background: var(--pp-color-surface);
  box-shadow: var(--pp-shadow-soft);
  text-align: center;
}

body.pp-auth-page .signin-container {
  max-width: 430px;
  padding: clamp(1.75rem, 5vw, 2.75rem);
}

body.pp-subscribe-page > .container {
  max-width: 820px;
  padding: clamp(1.75rem, 5vw, 3rem);
}

body.pp-design-system h1 {
  margin: 0 0 0.55rem;
  color: var(--pp-color-ink);
  font-size: clamp(1.75rem, 5vw, 2.35rem);
  font-weight: 780;
  letter-spacing: -0.035em;
  line-height: 1.1;
  text-wrap: balance;
}

body.pp-design-system .subtitle {
  margin-bottom: 2rem;
  color: var(--pp-color-text-muted);
  font-family: var(--pp-font-serif);
  font-size: 0.98rem;
  line-height: 1.65;
}

body.pp-design-system .subtitle a {
  color: var(--pp-color-brand);
  font-weight: 650;
  text-underline-offset: 3px;
}

body.pp-design-system .email-input {
  box-sizing: border-box;
  width: 100%;
  min-height: 48px;
  margin: 0 0 0.8rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--pp-color-border-strong);
  border-radius: 9px;
  background: var(--pp-color-page);
  color: var(--pp-color-ink);
  font-size: 1rem;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

body.pp-design-system .email-input:focus {
  border-color: var(--pp-color-brand);
  box-shadow: 0 0 0 3px rgba(69, 159, 160, 0.14);
  outline: none;
}

body.pp-design-system button {
  box-sizing: border-box;
  width: 100%;
  min-height: 48px;
  margin: 0 0 0.75rem;
  padding: 0.78rem 1rem;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 0.95rem;
  font-weight: 680;
  line-height: 1.2;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

body.pp-design-system button:hover:not(:disabled) {
  transform: translateY(-2px);
}

body.pp-design-system button.primary,
body.pp-design-system .subscribe-btn {
  margin-right: 0;
  margin-left: 0;
  border-color: var(--pp-color-action);
  background: var(--pp-color-action);
  color: #ffffff;
}

body.pp-design-system button.primary:hover:not(:disabled),
body.pp-design-system .subscribe-btn:hover:not(:disabled) {
  border-color: var(--pp-color-action-hover);
  background: var(--pp-color-action-hover);
  box-shadow: 0 10px 22px rgba(227, 130, 74, 0.2);
}

body.pp-design-system button.google {
  border-color: var(--pp-color-border-strong);
  background: var(--pp-color-page);
  color: var(--pp-color-ink);
}

body.pp-design-system button.google:hover:not(:disabled) {
  border-color: var(--pp-color-brand);
  background: var(--pp-color-page);
}

body.pp-design-system button.microsoft,
body.pp-design-system .manage-btn {
  border-color: var(--pp-color-ink);
  background: var(--pp-color-ink);
  color: #ffffff;
}

body.pp-design-system button.microsoft:hover:not(:disabled),
body.pp-design-system .manage-btn:hover:not(:disabled) {
  background: #171a1e;
  box-shadow: 0 10px 22px rgba(42, 46, 51, 0.18);
}

body.pp-design-system button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
  transform: none;
}

body.pp-design-system .divider {
  margin: 1.4rem 0;
  color: var(--pp-color-text-muted);
  font-family: var(--pp-font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

body.pp-design-system .divider::before,
body.pp-design-system .divider::after {
  background: var(--pp-color-border);
}

body.pp-design-system .message-container,
body.pp-design-system #statusMessage:not(:empty) {
  margin-bottom: 1.25rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(69, 159, 160, 0.35);
  border-radius: 9px;
  background: var(--pp-color-brand-soft);
  color: var(--pp-color-ink);
  font-family: var(--pp-font-sans);
  font-size: 0.9rem;
}

body.pp-subscribe-page .pricing-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
}

body.pp-subscribe-page .pricing-card {
  box-sizing: border-box;
  width: auto;
  padding: 1.75rem;
  border: 1px solid var(--pp-color-border);
  border-radius: 16px;
  background: var(--pp-color-page);
  box-shadow: none;
  text-align: left;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

body.pp-subscribe-page .pricing-card:hover {
  transform: translateY(-3px);
  border-color: var(--pp-color-border-strong);
  box-shadow: 0 16px 34px rgba(42, 46, 51, 0.08);
}

body.pp-subscribe-page .pricing-card h3 {
  color: var(--pp-color-ink);
  font-size: 1.05rem;
}

body.pp-subscribe-page .price {
  color: var(--pp-color-ink);
}

body.pp-subscribe-page .checkmark {
  color: var(--pp-color-brand);
}

body.pp-design-system .button-with-spinner {
  gap: 0.75rem;
  color: var(--pp-color-text-muted);
  font-family: var(--pp-font-sans);
}

body.pp-design-system .loading-spinner {
  border-color: var(--pp-color-border);
  border-top-color: var(--pp-color-brand);
}

body.pp-design-system .footer {
  position: static;
  right: auto;
  bottom: auto;
  left: auto;
  margin-top: auto;
  padding: 2rem 1.25rem;
  border-top: 1px solid var(--pp-color-border);
  background: var(--pp-color-page);
  box-shadow: none;
}

body.pp-design-system .footer-links {
  gap: 0.6rem 1.25rem;
}

body.pp-design-system .footer-link {
  color: var(--pp-color-text-muted);
  font-size: 0.78rem;
}

body.pp-design-system .footer-link:hover {
  color: var(--pp-color-ink);
}

@keyframes pp-banner-arrival {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 680px) {
  .pp-announcement {
    padding: 0.65rem 1rem;
    font-size: 0.82rem;
  }

  body.pp-design-system .navbar.pp-site-header {
    min-height: 64px;
    padding: 0.55rem 1rem;
  }

  body.pp-design-system .navbar-logo {
    height: 30px;
  }

  body.pp-design-system .navbar-links {
    gap: 0.15rem;
  }

  body.pp-design-system .navbar-link {
    padding: 0.5rem;
    font-size: 0.78rem;
  }

  body.pp-auth-page .signin-container,
  body.pp-subscribe-page > .container {
    width: calc(100% - 1.25rem);
    margin-top: 2rem;
    margin-bottom: 2rem;
    padding: 1.4rem;
    border-radius: 14px;
  }

  body.pp-subscribe-page .pricing-cards {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pp-announcement,
  body.pp-design-system *,
  body.pp-design-system *::before,
  body.pp-design-system *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}