*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:'Inter',sans-serif;
  background:#f5f6f8;
  color:#111;
}

.app{display:flex;height:100vh}

/* SIDEBAR */
.sidebar{
  width:64px;
  background:#111;
  color:#fff;
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:15px 0;
}
.brand{
  font-weight:600;
  margin-bottom:30px;
}
.nav-item{
  width:100%;
  text-align:center;
  padding:15px 0;
  opacity:.6;
  cursor:pointer;
}
.nav-item.active, .nav-item:hover{
  opacity:1;
  background:#1f1f1f;
}

/* MAIN */
.main{flex:1;display:flex;flex-direction:column}

/* TOPBAR */
.topbar{
  height:60px;
  background:#fff;
  border-bottom:1px solid #e5e7eb;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
}
.title{font-weight:600}
.clock{font-size:14px;color:#666}
.user{font-size:14px}

/* CONTENT */
.content{
  flex:1;
  display:flex;
  gap:20px;
  padding:20px;
}

/* CARDS */
.card{
  background:#fff;
  border:1px solid #e5e7eb;
  border-radius:8px;
  padding:20px;
}

.now{
  width:30%;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
}
.track{
  margin-top:10px;
  font-weight:500;
}

.playlist{
  flex:1;
  display:flex;
  flex-direction:column;
}
.card-header{
  display:flex;
  justify-content:space-between;
  margin-bottom:10px;
}

#playlist{
  list-style:none;
  overflow:auto;
}
#playlist li{
  padding:10px;
  border-bottom:1px solid #eee;
}

/* CARTOUCHEUR */
.cartoucheur{
  height:70px;
  background:#fff;
  border-top:1px solid #e5e7eb;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:15px;
}
.cartoucheur button{
  border:1px solid #ddd;
  background:#f9fafb;
  padding:10px 14px;
  cursor:pointer;
}
.cartoucheur button:hover{
  background:#eee;
}