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

:root {
  --cream:     #FAF8F5;
  --cream-2:   #F5F2ED;
  --cream-3:   #EDE9E1;
  --cream-4:   #DDD8CE;
  --brass:     #B5956A;
  --brass-dk:  #A0825A;
  --text-dark: #4A4540;
  --text-mid:  #6B6259;
  --text-soft: #9E978D;
  --text-faint:#C4BDB4;
  --border:    #EDE9E1;
  --border-2:  #DDD8CE;
  --white:     #FFFFFF;
  --card-ai:   #FDFBF8;
}

html, body { min-height: 100%; background: var(--cream); color: var(--text-dark); font-family: 'DM Sans', system-ui, sans-serif; font-size: 15px; line-height: 1.6; -webkit-font-smoothing: antialiased; }

/* NAV */
.ks-nav { position: sticky; top: 0; z-index: 100; background: rgba(250,248,245,0.92); backdrop-filter: blur(10px); display: flex; align-items: center; justify-content: space-between; padding: 18px 40px; border-bottom: 0.5px solid var(--border); }
.ks-logo { font-family: 'Cormorant Garamond', serif; font-size: 20px; font-weight: 400; color: var(--text-mid); letter-spacing: 0.06em; cursor: pointer; }
.ks-logo span { color: var(--brass); }
.ks-nav-links { display: flex; gap: 28px; list-style: none; }
.ks-nav-links li { font-size: 13px; color: var(--text-soft); cursor: pointer; transition: color 0.15s; }
.ks-nav-links li:hover { color: var(--text-mid); }
.ks-nav-links li.hidden { display: none; }
.ks-nav-right { display: flex; gap: 12px; align-items: center; position: relative; }
.ks-btn-ghost { font-family: 'DM Sans', sans-serif; font-size: 13px; color: var(--text-soft); background: none; border: none; cursor: pointer; padding: 6px 12px; transition: color 0.15s; }
.ks-btn-ghost:hover { color: var(--text-mid); }
.ks-btn-soft { font-family: 'DM Sans', sans-serif; font-size: 13px; color: var(--text-mid); background: var(--cream-3); border: none; border-radius: 20px; cursor: pointer; padding: 7px 18px; transition: background 0.15s; }
.ks-btn-soft:hover { background: var(--cream-4); }
.hidden { display: none !important; }

/* USER PILL */
.user-pill { display: flex; align-items: center; gap: 8px; cursor: pointer; padding: 5px 12px 5px 6px; border-radius: 20px; background: var(--cream-2); border: 0.5px solid var(--border-2); transition: background 0.15s; }
.user-pill:hover { background: var(--cream-3); }
.user-avatar { width: 26px; height: 26px; border-radius: 50%; background: #E8DFD0; color: var(--brass); font-size: 12px; font-weight: 500; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.user-avatar img { width: 100%; height: 100%; object-fit: cover; }
.user-name { font-size: 13px; color: var(--text-mid); }
.user-menu { position: absolute; top: calc(100% + 8px); right: 0; background: var(--white); border: 0.5px solid var(--border-2); border-radius: 12px; padding: 6px; min-width: 160px; box-shadow: 0 8px 24px rgba(107,98,89,0.1); z-index: 200; }
.user-menu-item { font-size: 13px; color: var(--text-mid); padding: 8px 12px; border-radius: 8px; cursor: pointer; transition: background 0.12s; }
.user-menu-item:hover { background: var(--cream-2); }
.user-menu-divider { height: 0.5px; background: var(--border); margin: 4px 0; }
.user-menu-signout { color: #A0593A; }

/* SCREENS */
.screen { display: none; }
.screen.active { display: block; }

/* ENTRY SCREEN */
#screen-entry { min-height: calc(100vh - 65px); display: none; align-items: center; justify-content: center; }
#screen-entry.active { display: flex; }
.entry-inner { text-align: center; width: 100%; max-width: 560px; padding: 60px 24px; }
.entry-eyebrow { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--brass); margin-bottom: 28px; opacity: 0; transform: translateY(6px); animation: fadeUp 0.6s ease forwards 0.1s; }
.entry-label { font-family: 'Cormorant Garamond', serif; font-size: 38px; font-weight: 300; color: var(--text-mid); margin-bottom: 28px; line-height: 1.2; opacity: 0; transform: translateY(8px); animation: fadeUp 0.7s ease forwards 0.2s; }

.entry-input-wrap { opacity: 0; transform: translateY(8px); animation: fadeUp 0.7s ease forwards 0.3s; }

.entry-input-row { display: flex; align-items: center; background: var(--white); border: 0.5px solid var(--border-2); border-radius: 14px; padding: 14px 14px 14px 20px; gap: 10px; transition: border-color 0.2s, box-shadow 0.2s; }
.entry-input-row:focus-within { border-color: #C4AD8A; box-shadow: 0 0 0 4px rgba(181,149,106,0.08); }
.entry-input-row input { flex: 1; border: none; background: transparent; font-family: 'DM Sans', sans-serif; font-size: 15px; color: var(--text-dark); outline: none; }
.entry-input-row input::placeholder { color: var(--text-faint); }
.entry-input-row input:disabled { opacity: 0.5; }

.entry-send { width: 36px; height: 36px; border-radius: 50%; background: var(--brass); border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; flex-shrink: 0; transition: transform 0.15s, background 0.15s; }
.entry-send:hover { background: var(--brass-dk); transform: scale(1.06); }
.entry-send:disabled { opacity: 0.4; cursor: default; transform: none; }

/* LOADING STATE */
.entry-loading {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.loading-phrase {
  font-size: 14px;
  color: var(--text-soft);
  font-style: italic;
  opacity: 0;
  transition: opacity 0.8s ease;
  text-align: left;
  flex: 1;
}

.loading-phrase.visible { opacity: 1; }

.loading-dots {
  display: flex;
  gap: 5px;
  align-items: center;
  flex-shrink: 0;
}

.loading-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brass);
  opacity: 0.3;
  animation: dotPulse 1.6s ease-in-out infinite;
}

.loading-dots span:nth-child(2) { animation-delay: 0.3s; }
.loading-dots span:nth-child(3) { animation-delay: 0.6s; }

@keyframes dotPulse {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}

.entry-sub { font-size: 12px; color: var(--text-faint); margin-top: 18px; line-height: 1.7; opacity: 0; animation: fadeIn 0.6s ease forwards 0.55s; }
.entry-sub a { color: var(--brass); text-decoration: none; }
.entry-examples { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 24px; opacity: 0; animation: fadeIn 0.6s ease forwards 0.7s; }
.example-chip { font-size: 12px; color: var(--text-soft); background: var(--cream-2); border: 0.5px solid var(--border-2); border-radius: 20px; padding: 5px 14px; cursor: pointer; transition: background 0.15s, color 0.15s, border-color 0.15s; }
.example-chip:hover { background: var(--cream-3); color: var(--text-mid); border-color: var(--brass); }

/* MY CHAPTERS SCREEN */
#screen-chapters { min-height: calc(100vh - 65px); }
.chapters-inner { max-width: 900px; padding: 40px; }
.chapters-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 32px; opacity: 0; transform: translateY(8px); }
.chapters-title { font-family: 'Cormorant Garamond', serif; font-size: 30px; font-weight: 300; color: var(--text-mid); }
.chapters-sub { font-size: 13px; color: var(--text-faint); margin-top: 4px; }
.new-chapter-btn { display: flex; align-items: center; gap: 7px; font-family: 'DM Sans', sans-serif; font-size: 13px; color: var(--text-mid); background: var(--cream-3); border: 0.5px solid var(--border-2); border-radius: 10px; padding: 9px 16px; cursor: pointer; transition: background 0.15s; white-space: nowrap; }
.new-chapter-btn:hover { background: var(--cream-4); }
.chapters-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.chapter-tile { background: var(--white); border: 0.5px solid var(--border); border-radius: 16px; padding: 22px; cursor: pointer; opacity: 0; transform: translateY(10px); transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s; }
.chapter-tile:hover { border-color: var(--border-2); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(107,98,89,0.07); }
.tile-icon { font-size: 28px; margin-bottom: 12px; }
.tile-name { font-family: 'Cormorant Garamond', serif; font-size: 19px; font-weight: 400; color: var(--text-dark); margin-bottom: 4px; }
.tile-type { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brass); margin-bottom: 14px; }
.tile-meta { font-size: 12px; color: var(--text-faint); }
.tile-progress { margin-top: 14px; }
.tile-progress-bar { height: 2px; background: var(--cream-3); border-radius: 2px; overflow: hidden; }
.tile-progress-fill { height: 100%; background: var(--brass); border-radius: 2px; transition: width 0.4s ease; }
.chapter-tile-new { background: transparent; border: 0.5px dashed var(--border-2); border-radius: 16px; padding: 22px; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; min-height: 160px; opacity: 0; transform: translateY(10px); transition: border-color 0.2s; }
.chapter-tile-new:hover { border-color: var(--brass); }
.chapter-tile-new span { font-size: 13px; color: var(--text-faint); }
.chapter-tile-new:hover span { color: var(--brass); }

/* BOARD SCREEN */
#screen-board { min-height: calc(100vh - 65px); padding-bottom: 40px; }
.board-header { display: flex; align-items: center; justify-content: space-between; padding: 22px 40px 18px; border-bottom: 0.5px solid var(--border); opacity: 0; transform: translateY(6px); }
.board-title { display: flex; align-items: center; gap: 12px; }
.board-icon { width: 36px; height: 36px; border-radius: 10px; background: #F2EBE0; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.board-name { font-family: 'Cormorant Garamond', serif; font-size: 20px; font-weight: 400; color: var(--text-dark); }
.board-sub { font-size: 12px; color: var(--brass); margin-top: 1px; }
.board-sub:hover { text-decoration: underline; }
.upload-btn { font-family: 'DM Sans', sans-serif; font-size: 12px; color: var(--text-soft); background: var(--cream-2); border: 0.5px solid var(--border-2); border-radius: 8px; padding: 7px 16px; cursor: pointer; display: flex; align-items: center; gap: 7px; transition: background 0.15s; }
.upload-btn:hover { background: var(--cream-3); }
.tab-row { display: flex; padding: 0 40px; border-bottom: 0.5px solid var(--border); opacity: 0; }
.tab { font-size: 13px; color: var(--text-faint); padding: 11px 18px; cursor: pointer; border-bottom: 1.5px solid transparent; margin-bottom: -0.5px; transition: color 0.15s; }
.tab.active { color: var(--text-mid); border-bottom-color: var(--brass); }
.tab:hover { color: var(--text-soft); }
.ai-nudge { margin: 18px 40px 0; background: #FBF8F3; border: 0.5px solid #E8DFD0; border-radius: 12px; padding: 14px 16px; display: flex; align-items: flex-start; gap: 10px; opacity: 0; transform: translateY(8px); max-width: 760px; }
.ai-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--brass); margin-top: 5px; flex-shrink: 0; }
.ai-nudge-text { font-size: 13px; color: #8A7F74; line-height: 1.6; }
.ai-nudge-text strong { color: var(--text-mid); font-weight: 500; }
.pill-row { display: flex; gap: 7px; margin-top: 10px; flex-wrap: wrap; }
.pill { font-family: 'DM Sans', sans-serif; font-size: 12px; background: var(--cream-3); color: var(--text-mid); border-radius: 20px; padding: 5px 14px; cursor: pointer; border: 0.5px solid var(--border-2); transition: background 0.15s, border-color 0.15s; opacity: 0; }
.pill:hover { background: var(--cream-4); border-color: var(--brass); }
.pill.added { background: #F0EAE0; border-color: var(--brass); color: var(--brass); }
.board-body { padding: 20px 40px 12px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; max-width: 900px; }
.chapter-card { background: var(--white); border: 0.5px solid var(--border); border-radius: 14px; padding: 18px; cursor: pointer; opacity: 0; transform: translateY(10px); transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s; }
.chapter-card:hover { border-color: var(--border-2); transform: translateY(-2px); box-shadow: 0 4px 20px rgba(107,98,89,0.06); }
.chapter-card.ai-suggested { border-color: #D4C5A9; background: var(--card-ai); }
.card-tag { font-size: 10px; letter-spacing: 0.09em; text-transform: uppercase; color: var(--brass); margin-bottom: 8px; }
.card-title { font-size: 14px; font-weight: 500; color: var(--text-dark); margin-bottom: 4px; }
.card-meta { font-size: 12px; color: var(--text-faint); line-height: 1.5; }
.card-items { margin-top: 12px; display: flex; flex-direction: column; gap: 6px; }
.card-item { font-size: 12px; color: var(--text-soft); display: flex; align-items: center; gap: 8px; }
.dot { width: 5px; height: 5px; border-radius: 50%; background: var(--border-2); flex-shrink: 0; }
.dot.done { background: var(--brass); }
.add-card-wrap { border: 0.5px dashed var(--border-2); border-radius: 14px; min-height: 110px; opacity: 0; transform: translateY(10px); display: flex; align-items: center; justify-content: center; transition: border-color 0.2s; }
.add-card-wrap:hover { border-color: var(--brass); }
.add-card { width: 100%; height: 100%; min-height: 110px; background: transparent; border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 7px; font-family: 'DM Sans', sans-serif; font-size: 13px; color: var(--text-faint); border-radius: 14px; transition: color 0.15s; }
.add-card-wrap:hover .add-card { color: var(--brass); }
.privacy-strip { margin: 12px 40px 0; display: flex; align-items: center; gap: 7px; opacity: 0; }
.privacy-text { font-size: 11px; color: var(--text-faint); }

/* PRICING */
#screen-pricing { min-height: calc(100vh - 65px); display: none; align-items: center; justify-content: center; }
#screen-pricing.active { display: flex; }
.pricing-inner { text-align: center; padding: 60px 24px; width: 100%; max-width: 720px; }
.pricing-title { font-family: 'Cormorant Garamond', serif; font-size: 34px; font-weight: 300; color: var(--text-mid); margin-bottom: 8px; }
.pricing-sub { font-size: 14px; color: var(--text-faint); margin-bottom: 40px; }
.pricing-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; text-align: left; }
.pricing-card { background: var(--white); border: 0.5px solid var(--border); border-radius: 16px; padding: 28px; position: relative; }
.pricing-card-bundle { border-color: #D4C5A9; background: #FDFBF8; }
.pricing-badge { position: absolute; top: -11px; left: 50%; transform: translateX(-50%); font-size: 11px; background: var(--brass); color: #fff; border-radius: 20px; padding: 3px 12px; white-space: nowrap; }
.pricing-tier { font-size: 11px; letter-spacing: 0.09em; text-transform: uppercase; color: var(--brass); margin-bottom: 12px; }
.pricing-amount { font-family: 'Cormorant Garamond', serif; font-size: 42px; font-weight: 300; color: var(--text-dark); line-height: 1; margin-bottom: 4px; }
.pricing-amount span { font-size: 16px; color: var(--text-soft); }
.pricing-was { font-size: 12px; color: var(--text-faint); margin-bottom: 20px; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.pricing-features li { font-size: 13px; color: var(--text-soft); display: flex; align-items: center; gap: 8px; }
.pricing-features li::before { content: ''; display: inline-block; width: 4px; height: 4px; border-radius: 50%; background: var(--brass); flex-shrink: 0; }
.pricing-cta { width: 100%; font-family: 'DM Sans', sans-serif; font-size: 14px; color: var(--text-mid); background: var(--cream-3); border: none; border-radius: 10px; padding: 11px; cursor: pointer; transition: background 0.15s; }
.pricing-cta:hover { background: var(--cream-4); }
.pricing-cta-gold { background: var(--brass); color: #fff; }
.pricing-cta-gold:hover { background: var(--brass-dk); }
.pricing-footnote { font-size: 12px; color: var(--text-faint); margin-top: 36px; line-height: 1.8; }

/* AUTH */
.overlay { position: fixed; inset: 0; background: rgba(74,69,64,0.4); display: flex; align-items: center; justify-content: center; z-index: 300; opacity: 0; animation: fadeIn 0.25s ease forwards; }
.overlay.hidden { display: none; }
.auth-modal { background: var(--white); border-radius: 20px; padding: 36px 32px; width: 100%; max-width: 380px; text-align: center; border: 0.5px solid var(--border); transform: translateY(12px); animation: fadeUp 0.3s ease forwards; position: relative; }
.auth-close { position: absolute; top: 16px; right: 16px; background: none; border: none; cursor: pointer; padding: 4px; opacity: 0.5; transition: opacity 0.15s; }
.auth-close:hover { opacity: 1; }
.auth-icon { font-size: 28px; margin-bottom: 14px; }
.auth-title { font-family: 'Cormorant Garamond', serif; font-size: 24px; font-weight: 400; color: var(--text-dark); margin-bottom: 8px; }
.auth-body { font-size: 13px; color: var(--text-soft); margin-bottom: 24px; line-height: 1.6; }
.signup-google { width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px; font-family: 'DM Sans', sans-serif; font-size: 14px; color: var(--text-mid); background: var(--cream-2); border: 0.5px solid var(--border-2); border-radius: 10px; padding: 11px; cursor: pointer; transition: background 0.15s; margin-bottom: 16px; }
.signup-google:hover { background: var(--cream-3); }
.signup-divider { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; color: var(--text-faint); font-size: 12px; }
.signup-divider::before, .signup-divider::after { content: ''; flex: 1; height: 0.5px; background: var(--border-2); }
.signup-input { width: 100%; font-family: 'DM Sans', sans-serif; font-size: 14px; color: var(--text-dark); background: var(--white); border: 0.5px solid var(--border-2); border-radius: 10px; padding: 11px 14px; outline: none; transition: border-color 0.2s, box-shadow 0.2s; margin-bottom: 10px; display: block; }
.signup-input:focus { border-color: #C4AD8A; box-shadow: 0 0 0 3px rgba(181,149,106,0.08); }
.signup-btn { width: 100%; font-family: 'DM Sans', sans-serif; font-size: 14px; color: #fff; background: var(--brass); border: none; border-radius: 10px; padding: 12px; cursor: pointer; margin-top: 4px; transition: background 0.15s; }
.signup-btn:hover { background: var(--brass-dk); }
.signup-fine { font-size: 11px; color: var(--text-faint); margin-top: 14px; line-height: 1.6; }
.auth-switch { font-size: 12px; color: var(--text-soft); margin-top: 14px; }
.auth-switch a { color: var(--brass); text-decoration: none; }
.auth-error { font-size: 12px; color: #A0593A; background: #FBF0EB; border: 0.5px solid #E8C9B8; border-radius: 8px; padding: 8px 12px; margin-bottom: 10px; text-align: left; }

/* ANIMATIONS */
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { to { opacity: 1; } }

/* MOBILE */
@media (max-width: 640px) {
  .ks-nav { padding: 14px 20px; }
  .ks-nav-links { display: none; }
  .entry-label { font-size: 28px; }
  .board-body, .chapters-grid { grid-template-columns: 1fr 1fr; }
  .board-header, .tab-row, .ai-nudge, .board-body, .privacy-strip, .chapters-inner { padding-left: 20px; padding-right: 20px; }
  .pricing-cards { grid-template-columns: 1fr; }
}