body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f8fa;
  color: #333;
}

header {
  background: #0066cc;
  color: #fff;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header .logo {
  font-size: 1.5em;
  font-weight: bold;
}

header nav a {
  color: #fff;
  margin-right: 15px;
  text-decoration: none;
}

header nav select {
  margin-left: 10px;
  padding: 5px;
}

.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 40px;
  background: #e6f0ff;
}

.hero-image {
  max-width: 40%;
  min-width: 300px;
}

.hero-text {
  flex: 1;
  padding: 20px;
}

.hero-text h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
}

.hero-text p {
  font-size: 1.2em;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  background: #00aaff;
  color: #fff;
  padding: 10px 20px;
  border-radius: 4px;
  text-decoration: none;
}

.features {
  padding: 40px;
}

.features h2 {
  text-align: center;
  margin-bottom: 20px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.feature {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.feature h3 {
  margin-top: 0;
  margin-bottom: 10px;
  color: #0066cc;
}

.form-page {
  padding: 40px;
  max-width: 500px;
  margin: auto;
}

.form-page form {
  display: flex;
  flex-direction: column;
}

.form-page label {
  margin-top: 10px;
}

.form-page input {
  padding: 10px;
  margin-top: 5px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.form-page button {
  margin-top: 20px;
}

.dashboard {
  padding: 40px;
}

.dashboard-menu {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
}

.dashboard-menu li a {
  background: #0066cc;
  color: #fff;
  padding: 10px 15px;
  border-radius: 4px;
  text-decoration: none;
}

.leads-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.leads-table th,
.leads-table td {
  border: 1px solid #ccc;
  padding: 8px;
  text-align: left;
}

footer {
  background: #003366;
  color: #fff;
  text-align: center;
  padding: 10px 0;
  margin-top: 40px;
}

/* Chat page styles */
.chat-page {
  padding: 20px;
  max-width: 800px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.chat-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.participants {
  font-weight: bold;
}

.add-participant {
  display: flex;
  gap: 10px;
}

.add-participant input {
  flex: 1;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.chat-window {
  height: 300px;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 10px;
  overflow-y: auto;
  background: #fff;
}

.chat-window .message {
  margin-bottom: 10px;
}

.chat-window .message .sender {
  font-weight: bold;
  color: #0066cc;
}

.chat-input {
  display: flex;
  gap: 10px;
}

.chat-input input {
  flex: 1;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

/* Accounting and doctor profile pages */
.accounting-page, .doctor-profile {
  padding: 40px;
}
.terms {
  margin-top: 10px;
  display: flex;
  align-items: center;
}
.terms input {
  margin-right: 5px;
}

/* CRM dashboard styles */
.crm-section {
  margin-top: 30px;
}
.crm-section form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}
.crm-section form input {
  flex: 1;
  padding: 8px;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.crm-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}
.crm-table th,
.crm-table td {
  border: 1px solid #ccc;
  padding: 8px;
  text-align: left;
}
.crm-table td button {
  background: #0066cc;
  color: #fff;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
}
.analytics-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 15px;
}
.analytics-card {
  flex: 1;
  min-width: 150px;
  background: #fff;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  text-align: center;
}
.analytics-card h4 {
  margin-top: 0;
  color: #0066cc;
}

/* Responsive adjustments for CRM */
@media (max-width: 600px) {
  .crm-section form {
    flex-direction: column;
  }
  .analytics-cards {
    flex-direction: column;
  }
}

/* Responsive adjustments */
@media (max-width: 600px) {
  header nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }
  header nav a, header nav select {
    margin: 5px 0;
  }
  .hero {
    flex-direction: column;
    text-align: center;
  }
  .hero-image {
    max-width: 100%;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .dashboard-menu {
    flex-direction: column;
  }
}