/* Stillmail Minimalist Design System (White + Black Accents) */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Syne:wght@600;700;800&display=swap');

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

body {
  background-color: #ffffff;
  color: #09090b;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.font-syne {
  font-family: 'Syne', sans-serif;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Subtle Minimalist Scrollbar */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #e4e4e7;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #a1a1aa;
}

/* Account Selector */
.account-selector {
  border: 1px solid transparent;
  transition: all 0.15s ease;
}
.account-selector:hover {
  background-color: #f4f4f5;
}
.account-selector.active {
  background-color: #000000;
  color: #ffffff !important;
  border-color: #000000;
}
.account-selector.active * {
  color: #ffffff !important;
}

/* Thread Item */
.thread-item {
  transition: all 0.15s ease;
  border-bottom: 1px solid #f4f4f5;
  cursor: pointer;
}
.thread-item:hover {
  background-color: #fbfbfb;
}
.thread-item.active {
  background-color: #f4f4f5;
  border-left: 3px solid #000000;
}

/* Filter Buttons */
.filter-btn {
  transition: all 0.15s ease;
  border: 1px solid #e4e4e7;
  background-color: #ffffff;
  color: #71717a;
}
.filter-btn.active {
  background-color: #000000;
  color: #ffffff;
  border-color: #000000;
}

/* Badges */
.badge-unread {
  background-color: #000000;
  color: #ffffff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 9999px;
}