/* ============================================================
   Feeling Good Book Club — Styles
   ============================================================ */

:root {
  --cream:        #FAF7F0;
  --cream-dark:   #EDE8DC;
  --sage:         #8FAF8F;
  --sage-dark:    #5C856C;
  --rose:         #C4806A;
  --rose-light:   #E8A898;
  --charcoal:     #2C2C2C;
  --charcoal-mid: #5C5C5C;
  --charcoal-light: #8C8C8C;
  --white:        #FFFFFF;
  --shadow-soft:  0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-card:  0 2px 12px rgba(0, 0, 0, 0.05);
  --radius:       16px;
  --radius-sm:    8px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  background-color: var(--cream);
  color: var(--charcoal);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.hidden {
  display: none !important;
}


/* ============================================================
   Auth Overlay
   ============================================================ */

#auth-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(145deg, #FAF7F0 0%, #EAF0EA 55%, #F5EAE7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  transition: opacity 0.4s ease;
}

#auth-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

.auth-card {
  background: var(--white);
  border-radius: 24px;
  padding: 3rem 2.5rem;
  max-width: 420px;
  width: calc(100% - 2rem);
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.10);
}

.auth-book-icon {
  font-size: 3rem;
  margin-bottom: 1.25rem;
  display: block;
}

.auth-card h1 {
  font-family: 'Lora', serif;
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.15;
  color: var(--charcoal);
  margin-bottom: 0.4rem;
}

.auth-card h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--sage-dark);
  display: block;
  font-size: 1.5rem;
}

.auth-tagline {
  color: var(--charcoal-light);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0.75rem 0 2rem;
}

#google-signin-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.9rem 1.5rem;
  background: var(--rose);
  color: var(--white);
  border: none;
  border-radius: 12px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(196, 128, 106, 0.35);
}

#google-signin-btn:hover:not(:disabled) {
  background: #B36E58;
  box-shadow: 0 6px 18px rgba(196, 128, 106, 0.45);
}

#google-signin-btn:active:not(:disabled) {
  transform: scale(0.98);
}

#google-signin-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.auth-error {
  margin-top: 1.25rem;
  padding: 0.75rem 1rem;
  background: #FEF0EE;
  border: 1px solid #F5C5BC;
  border-radius: var(--radius-sm);
  color: #B0403A;
  font-size: 0.85rem;
  line-height: 1.5;
  text-align: left;
}

.auth-footer {
  margin-top: 1.5rem;
  color: var(--charcoal-light);
  font-size: 0.78rem;
  line-height: 1.5;
}


/* ============================================================
   Header
   ============================================================ */

header {
  background: var(--white);
  border-bottom: 1px solid var(--cream-dark);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-name {
  font-family: 'Lora', serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--charcoal);
  white-space: nowrap;
  text-decoration: none;
}

.site-name:hover {
  color: var(--rose);
}

.user-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  min-width: 0;
}

#user-name {
  color: var(--charcoal-mid);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
}

#sign-out-btn {
  flex-shrink: 0;
  background: transparent;
  border: 1px solid var(--sage);
  color: var(--sage-dark);
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

#sign-out-btn:hover {
  background: var(--sage);
  color: var(--white);
}


/* ============================================================
   Nav Dropdown
   ============================================================ */

.site-nav {
  display: flex;
  align-items: center;
}

.nav-item {
  position: relative;
}

.nav-link {
  background: none;
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: 0.875rem;
  color: var(--charcoal-mid);
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.nav-link:hover {
  background: var(--cream);
  color: var(--charcoal);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0;
  background: var(--white);
  border: 1px solid var(--cream-dark);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
  min-width: 160px;
  padding: 0.4rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-4px);
  transition: opacity 0.15s, transform 0.15s;
  z-index: 20;
}

.nav-item.has-dropdown.open .nav-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-dropdown-item {
  display: block;
  padding: 0.5rem 0.75rem;
  color: var(--charcoal-mid);
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.875rem;
  transition: background 0.1s, color 0.1s;
}

.nav-dropdown-item:hover {
  background: var(--cream);
  color: var(--charcoal);
}


/* ============================================================
   Main Content
   ============================================================ */

main {
  max-width: 820px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

footer {
  text-align: center;
  padding: 2rem 1rem;
  border-top: 1px solid var(--cream-dark);
  color: var(--charcoal-light);
  font-size: 0.85rem;
}


/* ============================================================
   Markdown Typography
   ============================================================ */

main h1, main h2, main h3, main h4 {
  font-family: 'Lora', serif;
}

main h1 {
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

main h2 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--charcoal);
  margin: 3rem 0 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--cream-dark);
}

main h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--sage-dark);
  margin: 1.75rem 0 0.5rem;
}

main p {
  line-height: 1.75;
  color: var(--charcoal-mid);
  margin-bottom: 1rem;
}

main ul, main ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

main li {
  line-height: 1.7;
  color: var(--charcoal-mid);
  margin-bottom: 0.25rem;
}

main a {
  color: var(--sage-dark);
  text-decoration: underline;
  text-decoration-color: var(--sage);
  text-underline-offset: 3px;
}

main a:hover {
  color: var(--rose);
}

main strong {
  color: var(--charcoal);
  font-weight: 600;
}

main blockquote {
  border-left: 3px solid var(--sage);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  font-family: 'Lora', serif;
  font-style: italic;
  color: var(--charcoal-mid);
}

main hr {
  border: none;
  border-top: 2px solid var(--cream-dark);
  margin: 2.5rem 0;
}


/* ============================================================
   Hero Section
   ============================================================ */

.hero {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  background: var(--white);
  border-radius: 20px;
  padding: 2rem;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-soft);
}

.book-cover {
  flex-shrink: 0;
}

.book-cover img {
  width: 130px;
  border-radius: 6px;
  box-shadow: 6px 8px 24px rgba(0, 0, 0, 0.18);
  display: block;
}

.hero-text .subtitle {
  font-family: 'Lora', serif;
  font-style: italic;
  color: var(--sage-dark);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.hero-text p {
  font-size: 0.95rem;
  color: var(--charcoal-mid);
  line-height: 1.7;
  margin: 0;
}


/* ============================================================
   Schedule
   ============================================================ */

.schedule {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.session-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  border-left: 4px solid var(--sage);
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 0 1.5rem;
  align-items: start;
  position: relative;
}

.session-card.past {
  border-left-color: var(--cream-dark);
  background: linear-gradient(to right, #F8F5EE, var(--white));
}

.session-card.past .session-date,
.session-card.past .session-topic,
.session-card.past .session-notes {
  opacity: 0.6;
}

.session-card.next {
  border-left-color: var(--rose);
  box-shadow: 0 4px 20px rgba(196, 128, 106, 0.12);
}

.next-badge {
  grid-column: 1 / -1;
  display: inline-block;
  background: var(--rose);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  margin-bottom: 0.75rem;
  width: fit-content;
}

.session-date {
  font-family: 'Lora', serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--sage-dark);
  padding-top: 2px;
  line-height: 1.3;
}

.session-card.next .session-date {
  color: var(--rose);
}

.session-topic {
  font-weight: 600;
  font-size: 1rem;
  color: var(--charcoal);
  margin-bottom: 0.3rem;
}

.session-meta {
  font-size: 0.8rem;
  color: var(--charcoal-light);
  margin-bottom: 0.6rem;
}

.session-sep {
  margin: 0 0.4rem;
}

.session-notes {
  font-size: 0.875rem;
  color: var(--charcoal-mid);
  line-height: 1.65;
  margin: 0;
}


/* ============================================================
   Session card — linked variant
   ============================================================ */

.session-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.session-card.has-link {
  transition: transform 0.15s, box-shadow 0.15s;
  cursor: pointer;
}

.session-card.has-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.09);
}

.session-arrow {
  display: inline-block;
  margin-left: 0.4rem;
  color: var(--sage-dark);
  font-size: 0.9rem;
  transition: transform 0.15s;
}

.session-card.has-link:hover .session-arrow {
  transform: translateX(3px);
}

.session-time {
  color: var(--charcoal-light);
  font-size: 0.85rem;
  font-weight: 400;
  font-family: 'Inter', sans-serif;
}


/* ============================================================
   Session Detail Page
   ============================================================ */

.session-page {
  max-width: 680px;
}

.back-link {
  display: inline-block;
  color: var(--sage-dark);
  text-decoration: none;
  font-size: 0.875rem;
  margin-bottom: 1.75rem;
  transition: color 0.15s;
}

.back-link:hover {
  color: var(--rose);
}

.session-page h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.session-page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-bottom: 2rem;
  font-size: 0.875rem;
  color: var(--charcoal-mid);
}

.session-page-meta span {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}


/* ============================================================
   About Section
   ============================================================ */

.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-card);
}

.about-card p {
  margin-bottom: 0.75rem;
}

.about-card p:last-child {
  margin-bottom: 0;
}


/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 600px) {
  .hero {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .session-card {
    grid-template-columns: 1fr;
  }

  .next-badge {
    grid-column: 1;
  }

  .session-date {
    margin-bottom: 0.4rem;
  }

  main h1 {
    font-size: 1.75rem;
  }

  .header-inner {
    padding: 0.75rem 1rem;
  }

  .site-name {
    font-size: 0.95rem;
  }
}