@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

body {
  margin: 0;
  background-color: #0d1117;
  color: #e6edf3;
  font-family: 'Inter', sans-serif;
  overflow: hidden;
}

/* Navbar */
.navbar {
  height: 56px;
  background-color: #161b22;
  border-bottom: 1px solid #30363d;
}

/* Layout */
.main-layout {
  display: flex;
  height: calc(100vh - 56px);
}

/* Sidebar */
.sidebar {
  width: 340px;
  background-color: #161b22;
  border-right: 1px solid #30363d;
  padding: 15px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.search-wrapper {
  display: flex;
  align-items: center;
  background-color: #0d1117;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 6px 10px;
}
.search-wrapper i {
  color: #8b949e;
  margin-right: 6px;
}
.search-wrapper input {
  border: none;
  background: transparent;
  outline: none;
  color: #fff;
  width: 100%;
  font-size: 14px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.filter-btn {
  border: none;
  border-radius: 6px;
  background-color: transparent;
  color: #c9d1d9;
  text-align: left;
  padding: 8px 12px;
  font-size: 14px;
  transition: all 0.2s ease;
}
.filter-btn:hover {
  background-color: #1e242d;
}
.filter-btn.active {
  background-color: #1f6feb;
  color: #fff;
}

.mail-list {
  flex: 1;
  overflow-y: auto;
  margin-top: 10px;
}

.mail-item {
  background-color: #161b22;
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.mail-item:hover {
  background-color: #1e242d;
  transform: translateX(2px);
}
.mail-item.active {
  background-color: #1f6feb;
  color: #fff;
}
.subject {
  font-size: 13px;
  color: #9ca3af;
}

/* Mail preview */
.preview {
  flex: 1;
  background-color: #0d1117;
  padding: 25px 30px;
  overflow-y: auto;
}
.mail-open {
  background-color: #161b22;
  border-radius: 12px;
  padding: 25px;
  border: 1px solid #30363d;
}
.mail-body {
  background-color: #0d1117;
  color: #c9d1d9;
  padding: 20px;
  border-radius: 10px;
  margin-top: 15px;
  font-size: 14px;
  line-height: 1.6;
}

.fade-in {
  animation: fadeIn 0.4s ease-in-out;
}
@keyframes fadeIn {
  from {opacity: 0; transform: translateY(10px);}
  to {opacity: 1; transform: translateY(0);}
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-thumb {
  background: #2b3038;
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3b4048;
}