@import url('https://fonts.googleapis.com/css2?family=Fraunces:wght@600;700;900&family=Source+Serif+4:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

.fb-app {
  min-height: 100vh;
  background: #EDE6D6;
  background-image: radial-gradient(circle at 20% 0%, rgba(140,106,63,0.06), transparent 45%),
                     radial-gradient(circle at 80% 10%, rgba(47,92,80,0.05), transparent 40%);
  color: #262321;
  font-family: 'Source Serif 4', Georgia, serif;
  padding: max(28px, env(safe-area-inset-top)) 20px 60px;
}

.fb-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; max-width: 1100px; margin: 0 auto 22px; }
.fb-header-left { display: flex; gap: 14px; align-items: center; }
.fb-crest { width: 56px; height: 56px; border-radius: 50%; background: #6B3A3A; color: #F3ECDD; display: flex; align-items: center; justify-content: center; font-family: 'Fraunces', serif; font-weight: 900; font-size: 20px; border: 3px solid #B8A369; box-shadow: 0 2px 0 rgba(38,35,33,0.2); flex-shrink: 0; }
.fb-title { font-family: 'Fraunces', serif; font-weight: 900; font-size: 34px; letter-spacing: -0.5px; margin: 0; }
.fb-subtitle-input { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 2px; color: #6B5E4A; background: transparent; border: none; border-bottom: 1px dashed #8C6A3F; padding: 2px 0; text-transform: uppercase; outline: none; width: 240px; }
.fb-subtitle-text { font-family: 'JetBrains Mono', monospace; font-size: 12px; letter-spacing: 2px; color: #6B5E4A; text-transform: uppercase; cursor: pointer; }
.fb-header-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.fb-btn { font-family: 'Source Serif 4', serif; font-size: 14px; font-weight: 600; padding: 10px 16px; border-radius: 8px; border: 1.5px solid #262321; background: #F7F3EA; color: #262321; cursor: pointer; }
.fb-btn:hover { background: #EFE8D8; }
.fb-btn:active { transform: translateY(1px); }
.fb-btn-primary { background: #2F5C50; border-color: #2F5C50; color: #F3ECDD; }
.fb-btn-primary:hover { background: #274d43; }
.fb-btn-danger { background: #6B3A3A; border-color: #6B3A3A; color: #F3ECDD; }
.fb-btn-danger:hover { background: #5a3030; }
.fb-btn-danger-outline { border-color: #6B3A3A; color: #6B3A3A; background: transparent; }
.fb-btn-danger-outline:hover { background: rgba(107,58,58,0.08); }
.fb-hairline { max-width: 1100px; margin: 0 auto 22px; border: none; border-top: 2px solid #262321; }

.fb-search-row { max-width: 1100px; margin: 0 auto 16px; display: flex; align-items: center; gap: 16px; }
.fb-search { flex: 1; padding: 12px 16px; border-radius: 10px; border: 1.5px solid #C9BE9F; background: #F7F3EA; font-family: 'Source Serif 4', serif; font-size: 15px; outline: none; }
.fb-search:focus { border-color: #8C6A3F; }
.fb-count { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: #6B5E4A; white-space: nowrap; }

.fb-import-error, .fb-status-banner { max-width: 1100px; margin: 0 auto 16px; padding: 10px 16px; border-radius: 8px; font-size: 13px; }
.fb-import-error { background: #F3E4E4; border: 1.5px solid #6B3A3A; color: #6B3A3A; }
.fb-status-banner { background: #E7EEE9; border: 1.5px solid #2F5C50; color: #2F5C50; }

.fb-grid { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.fb-card { background: #F7F3EA; border: 1.5px solid #DCD2B8; border-radius: 14px; padding: 18px 18px 16px; position: relative; overflow: hidden; }
.fb-card-badge { position: absolute; top: 0; left: 0; padding: 5px 14px; border-bottom-right-radius: 10px; font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 1.5px; font-weight: 500; }
.fb-card-head { display: flex; gap: 14px; align-items: center; margin-top: 22px; }
.fb-avatar { width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-family: 'Fraunces', serif; font-weight: 700; font-size: 17px; }
.fb-card-name { font-family: 'Fraunces', serif; font-weight: 700; font-size: 19px; line-height: 1.2; }
.fb-card-dob { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: #8A7F63; margin-top: 3px; }
.fb-divider { border-top: 1px dashed #C9BE9F; margin: 14px 0; }
.fb-card-quick { display: flex; gap: 20px; margin-bottom: 16px; }
.fb-quick-label { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 1px; color: #8A7F63; margin-bottom: 3px; }
.fb-quick-value { font-size: 14px; }
.fb-card-actions { display: flex; gap: 8px; }
.fb-card-actions .fb-btn { flex: 1; padding: 8px 10px; font-size: 13px; }

.fb-empty { max-width: 640px; margin: 60px auto; text-align: center; padding: 40px 30px; border: 1.5px dashed #C9BE9F; border-radius: 14px; background: #F7F3EA; }
.fb-empty-title { font-family: 'Fraunces', serif; font-weight: 700; font-size: 22px; margin-bottom: 8px; }
.fb-empty-body { color: #6B5E4A; margin-bottom: 20px; font-size: 15px; }

.fb-overlay { position: fixed; inset: 0; background: rgba(38,35,33,0.55); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.fb-overlay-dark { background: rgba(20,18,16,0.75); }
.fb-modal { background: #F7F3EA; border-top: 5px solid #6B3A3A; border-radius: 4px; width: 100%; max-width: 620px; max-height: 88vh; display: flex; flex-direction: column; box-shadow: 0 20px 60px rgba(0,0,0,0.35); }
.fb-modal-top { display: flex; justify-content: space-between; align-items: flex-start; padding: 24px 26px 16px; }
.fb-modal-title { font-family: 'Fraunces', serif; font-weight: 900; font-size: 26px; }
.fb-modal-sub { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 1.5px; color: #8A7F63; text-transform: uppercase; margin-top: 4px; }
.fb-close { background: none; border: none; font-size: 26px; line-height: 1; cursor: pointer; color: #6B5E4A; padding: 0 4px; }
.fb-modal-scroll { overflow-y: auto; padding: 4px 26px 10px; border-top: 1px solid #DCD2B8; flex: 1; }
.fb-section-label { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 2px; color: #8C6A3F; text-transform: uppercase; margin: 18px 0 10px; border-bottom: 1px solid #DCD2B8; padding-bottom: 6px; }
.fb-field-row { display: flex; padding: 7px 0; font-size: 14px; gap: 12px; }
.fb-field-label { flex: 0 0 42%; font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 1px; color: #8A7F63; text-transform: uppercase; padding-top: 2px; }
.fb-field-value { flex: 1; color: #262321; }
.fb-modal-actions { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 26px 22px; border-top: 1px solid #DCD2B8; }

.fb-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 16px; margin-bottom: 4px; }
.fb-label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; font-family: 'JetBrains Mono', monospace; letter-spacing: 0.5px; color: #6B5E4A; text-transform: uppercase; }
.fb-input { font-family: 'Source Serif 4', serif; font-size: 14px; padding: 8px 10px; border-radius: 6px; border: 1.5px solid #C9BE9F; background: #FFFDF7; color: #262321; outline: none; width: 100%; }
.fb-input:focus { border-color: #8C6A3F; }

.fb-confirm { background: #F7F3EA; border-top: 5px solid #6B3A3A; border-radius: 4px; padding: 26px; max-width: 420px; width: 100%; box-shadow: 0 20px 60px rgba(0,0,0,0.35); }
.fb-confirm-title { font-family: 'Fraunces', serif; font-weight: 700; font-size: 20px; margin-bottom: 10px; }
.fb-confirm-body { font-size: 14px; color: #4A443A; line-height: 1.5; margin-bottom: 20px; }
.fb-confirm-name { font-weight: 700; }
.fb-confirm-actions { display: flex; justify-content: flex-end; gap: 10px; }

.fb-tree-modal { background: #F7F3EA; border-radius: 6px; width: 100%; max-width: 1200px; height: 85vh; display: flex; flex-direction: column; box-shadow: 0 20px 60px rgba(0,0,0,0.4); border-top: 5px solid #8C6A3F; }
.fb-tree-top { display: flex; justify-content: space-between; align-items: flex-start; padding: 20px 24px 14px; border-bottom: 1px solid #DCD2B8; flex-wrap: wrap; gap: 10px; }
.fb-tree-controls { display: flex; align-items: center; gap: 8px; }
.fb-icon-btn { width: 32px; height: 32px; border-radius: 6px; border: 1.5px solid #262321; background: #F7F3EA; cursor: pointer; font-size: 16px; display: flex; align-items: center; justify-content: center; }
.fb-zoom-pct { font-family: 'JetBrains Mono', monospace; font-size: 13px; width: 44px; text-align: center; }
.fb-tree-viewport { flex: 1; overflow: auto; position: relative; background: #F1EAD9; }
.fb-tree-empty { padding: 60px 30px; text-align: center; color: #8A7F63; font-size: 15px; }
.fb-tree-canvas { position: relative; padding: 40px; display: inline-block; }
.fb-tree-svg { position: absolute; top: 0; left: 0; pointer-events: none; }
.fb-tree-row { display: flex; gap: 46px; margin-bottom: 64px; position: relative; z-index: 1; }
.fb-tree-node { display: flex; gap: 10px; align-items: center; background: #FFFDF7; border: 1.5px solid #C9BE9F; border-radius: 8px; padding: 10px 14px; min-width: 190px; box-shadow: 0 2px 0 rgba(38,35,33,0.06); }
.fb-tree-avatar { width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-family: 'Fraunces', serif; font-weight: 700; font-size: 13px; }
.fb-tree-name { font-weight: 600; font-size: 14px; }
.fb-tree-relation { font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: 1px; color: #8A7F63; margin-top: 2px; }
.fb-tree-dob { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: #A79A7C; margin-top: 1px; }
.fb-legend { display: flex; flex-wrap: wrap; gap: 14px; padding: 12px 24px; border-top: 1px solid #DCD2B8; font-size: 12px; }
.fb-legend-item { display: flex; align-items: center; gap: 6px; color: #4A443A; }
.fb-legend-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }

.fb-loading { display: flex; align-items: center; justify-content: center; min-height: 60vh; color: #6B5E4A; font-family: 'JetBrains Mono', monospace; font-size: 13px; }

@media (max-width: 560px) {
  .fb-form-grid { grid-template-columns: 1fr; }
  .fb-title { font-size: 26px; }
  .fb-field-row { flex-direction: column; gap: 2px; }
  .fb-field-label { flex: none; }
}