:root {
  --brand: #2563EB;
  --brand-dark: #1E40AF;
  --accent: #F59E0B;
  --accent-dark: #92400E;
  --success: #10B981;
  --success-dark: #065F46;
  --danger: #DC2626;
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --surface-2: #F1F5F9;
  --text-1: #0F172A;
  --text-2: #475569;
  --text-3: #94A3B8;
  --border: #E2E8F0;
  --border-strong: #CBD5E1;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.14);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}

/* People row */
.people-row {
  display: flex;
  width:100%;
  gap: 0;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  font-family:inherit;
}
.person {
  flex: 1;
  padding: 0 7px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
}
.person + .person {
  border-right: 1px solid var(--border);
}
.role-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: .3px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.role-label i { font-size: 13px; }
.role-label.verified { color: var(--success); }
.person-main {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  position: relative;
}
.avatar-sm {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  color: white;
  flex-shrink: 0;
  position: relative;
  transition: transform .2s;
  overflow:hidden;
}
.person-main:hover .avatar-sm { transform: scale(1.06); }
.avatar-sm.blue { background: var(--brand); }
.avatar-sm.amber { background: var(--accent); }
.avatar-sm.green { background: var(--success); }
.verify-badge {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--success);
  border: 2px solid var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.verify-badge i { font-size: 9px; color: white; }
.person-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-1);
  line-height: 1.3;
  transition: color .15s;
}
.author .person-main:hover .person-name { color: var(--brand); }
.editor .person-main:hover .person-name { color: var(--accent); }
.reviewer .person-name { color: var(--text-1); }
.tip-hint {
  font-size: 10.5px;
  color: var(--text-3);
  margin-top: 2px;
}
.tip-hint.green { color: var(--success); }

/* ===== Tooltip ===== */
.tooltip-wrap {
  position: relative;
}
.tooltip {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 340px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.tooltip-wrap:hover .tooltip,
.tooltip-wrap:focus-within .tooltip,
.tooltip:hover {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.tooltip::before {
  content: '';
  position: absolute;
  top: -6px;
  right: 18px;
  width: 12px;
  height: 12px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-right: 1px solid var(--border);
  transform: rotate(-45deg);
}
.tooltip-header {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 12px;
}
.tooltip-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 18px;
  color: white;
  flex-shrink: 0;
  overflow:hidden;
}
.tooltip-name {
  font-size: 16px;
  font-weight: 600;
  margin: 0;
}
.tooltip-role {
  font-size: 12.5px;
  color: var(--text-2);
  margin: 2px 0 0;
}
.tooltip-bio {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.8;
  margin: 0 0 14px;
  text-align:justify;
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.tag {
  font-size: 11.5px;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 500;
}
.tag.blue { background: rgba(37, 99, 235, .12); color: var(--brand); }
.tag.amber { background: rgba(245, 158, 11, .15); color: var(--accent-dark); }
.social-row {
  display: flex;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.social {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  color: var(--text-2);
  transition: all .15s;
}
.social:hover { background: var(--brand); color: white; transform: translateY(-2px); }
.social i { font-size: 16px; }

/* ===== Tooltip showcase ===== */
.tooltip-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.showcase-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow);
}

/* ===== Mobile frame ===== */
.mobile-frame {
  max-width: 340px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow);
}
.mobile-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.65;
  margin: 0;
}

/* ===== Responsive ===== */
@media (max-width: 720px) {
  .tooltip-showcase { grid-template-columns: 1fr; }
  .tooltip { width: calc(100vw - 64px); max-width: 340px; right: 0; }
  .editor .tooltip{right:calc(-100% - 33px);}
  .editor .tooltip:before{right:calc(50% - 30px);}
  
  .reviewer .tooltip{right:calc(-100% - 148px);}
  .reviewer .tooltip:before{right:calc(100% - 68px);}
  
  .person{width:33%;min-width:auto;}
  
  .person-main > .avatar-sm{display:none;}
  .person-name{font-size:10px;}
  .tip-hint{font-size:8px;}
}