body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f7f9;
}
.container {
  display: flex;
}
.sidebar {
  width: 240px;
  background: linear-gradient(to bottom right, #89d8d3, #03c8a8);
  color: white;
  padding: 20px;
  min-height: 100vh;
}
.logo {
  width: 100%;
  margin-bottom: 20px;
}
.sidebar ul {
  list-style: none;
  padding-left: 0;
}
.sidebar li {
  margin: 15px 0;
}
.sidebar a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}
.sidebar a:hover,
.sidebar a.active {
  text-decoration: underline;
}
.main-content {
  flex-grow: 1;
  padding: 30px;
}
h1 {
  margin-top: 0;
}
button {
  background: #03c8a8;
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
}
button:hover {
  background: #029b85;
}
.card {
  background: white;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 6px rgba(0,0,0,0.1);
  margin-top: 20px;
}

/* ---- Randevu Yönetimi: Günlük/Haftalık İstatistikler ---- */
.stats-bar{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin:6px 0 12px 0;
}
.stat-card{
  flex:0 0 auto;
  min-width:160px;
  padding:10px 12px;
  border:1px solid rgba(0,0,0,0.08);
  border-radius:10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
  background:#fff;
}
.stat-title{
  opacity:0.8;
  margin-bottom:4px;
}
.stat-value{
  font-weight:700;
}