body{
    display: flex;
    background-color: #000000;
    color: rgb(255, 255, 255);
    font-family: 'Times New Roman', Times, serif;
    justify-content: center;
    align-items: center;
    height: 150vh;
    margin: 0px
    overflow-y:auto;
}

h2{
    font-size: 40px;
    text-underline-position: auto;
}

.container{
    text-align: center;
    padding: 20px;
    border-radius: 15px;
    margin-left: 320px;
    transition: margin 0.3s ease;
}

#timer-display{
    font-size: 200px;
    margin: 20px;
    color: #9fecff;
    text-shadow: 0 0 20px rgb(65, 131, 230);
}

.controls input, .controls button {
  font-size: 20px;
  margin: 3px;
  padding: 5px;
  border: #1f9fa1;
  text-shadow: 0 0 20px #ffffff;
  border-radius: 9px;
}

input{
    width: 150px;
}

button {
    background-color: rgb(255, 255, 255);
    color: rgb(0, 0, 0);
    cursor: pointer;
    width: 30px;          
    height: 40px;
    border: 20px solid rgb(186, 186, 88);
    border-radius: 30px; 
    font-size: 12px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 20px rgba(90, 70, 70, 0.3);
}

button:hover {
    background-color: rgb(5, 217, 185);
    color: rgb(255, 255, 255);
}

button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

.study-log {
    margin-top: 30px;
    padding: 20px;
    border-top: 1px solid #444;
}

.log-inputs {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.log-inputs input, .log-inputs textarea {
    padding: 10px;
    border-radius: 10px;
    border: 2px solid #444;
    background-color: #222;
    color: rgb(255, 255, 255);
}

.log-inputs textarea {
    height: 80px;
    resize: vertical;
}

#save-log-btn {
    background-color: #28849b;
    color: rgb(255, 255, 255);
    cursor: pointer;
    width: auto;
    min-width: 12px;
    height: 30px;
    padding: 0 25px;
    border: none;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: bold;
    margin: 10px auto;
    display: block;
}
#save-log-btn:hover{
    background-color: #1ed760;
    transform: scale(1.04);
}

.log-entries {
    text-align: left;
}

.log-entry {
    background-color: #222;
    padding: 15px;
    margin: 10px 0;
    border-radius: 5px;
    border-left: 4px solid #9fecff;
}

.log-entry h4 {
    margin: 0 0 5px 0;
    color: #9fecff;
}

.log-entry p {
    margin: 5px 0;
}

.spotify-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: 300px;
    background-color: #121212;
    color: white;
    padding: 20px;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.spotify-sidebar h3 {
    color: #9fecff;
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.music-player {
    margin-bottom: 20px;
}

#toggle-music {
    background-color: #9fecff;
    color: rgb(0, 0, 0);
    border: none;
    padding: 10px 15px;
    border-radius: 20px;
    cursor: pointer;
    width: 100%;
    font-weight: bold;
    transition: all 0.2s ease;
}

#toggle-music:hover {
    background-color: #1ed760;
    transform: scale(1.02);
}

.container {
    margin-left: 320px; 
    transition: margin 0.3s ease;
}


.sidebar-hidden {
    transform: translateX(-300px);
}

.sidebar-hidden + .container {
    margin-left: 20px;
}

@media (max-width: 768px) {
    .spotify-sidebar {
        width: 250px;
    }
    
    .container {
        margin-left: 270px;
    }
    
    .sidebar-hidden + .container {
        margin-left: 20px;
    }
}