body {
  font-family: system-ui, sans-serif;
  background: #ece5dd;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 950px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
  overflow: hidden;
}

.nav {
  display: flex;
  justify-content: center;
  background: #075e54;
}

.nav button {
  flex: 1;
  padding: 12px;
  border: none;
  background: #ddd;
  font-weight: bold;
  cursor: pointer;
}

.nav button.active {
  background: #075e54;
  color: #fff;
}

.chat-shell {
  display: flex;
  flex-direction: column;
  height: 550px;
  background: #fff;
}

.chat-header {
  background: #075e54;
  color: #fff;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar {
  background: #25d366;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.header-text h1 {
  font-size: 16px;
  margin: 0;
}

.header-text p {
  font-size: 11px;
  margin: 0;
  opacity: 0.8;
}

.chat-body {
  background: #ece5dd;
  flex: 1;
  padding: 10px;
  overflow-y: auto;
}

.message-row {
  display: flex;
  margin-bottom: 8px;
}

.message-row.user {
  justify-content: flex-end;
}

.message {
  max-width: 75%;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 14px;
  line-height: 1.4;
  background: #fff;
}

.message.user {
  background: #dcf8c6;
}

.timestamp {
  font-size: 10px;
  color: #999;
  text-align: right;
  margin-top: 2px;
}

.chat-footer {
  background: #f0f0f0;
  padding: 8px;
  text-align: center;
  font-size: 12px;
  color: #777;
  border-top: 1px solid #ddd;
}

.input-area {
  display: flex;
  padding: 10px;
  background: #f7f7f7;
}

.input-area input {
  flex: 1;
  padding: 10px;
  border-radius: 20px;
  border: 1px solid #ccc;
  outline: none;
}

.input-area button {
  background: #25d366;
  color: #fff;
  border: none;
  border-radius: 20px;
  padding: 10px 18px;
  margin-left: 8px;
  cursor: pointer;
  font-weight: bold;
}

.dashboard {
  padding: 20px;
  position: relative;
}

.notification {
  position: absolute;
  top: 10px;
  right: 20px;
  background: #ffcc00;
  color: #333;
  padding: 8px 12px;
  border-radius: 6px;
  display: none;
  font-weight: bold;
}

.stats {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.card {
  flex: 1;
  background: #f9fafb;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 15px;
  text-align: center;
}

.card h3 {
  margin: 0;
  font-size: 20px;
  color: #075e54;
}

.card p {
  margin: 5px 0 0;
  font-size: 12px;
  color: #555;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

th,
td {
  border: 1px solid #ccc;
  padding: 8px;
  text-align: left;
  font-size: 13px;
}

th {
  background: #f5f5f5;
}

.status-badge {
  background: #dcf8c6;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12px;
  color: #333;
}

.actions button {
  background: #ddd;
  border: none;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
}