body {
    background-color: #e6ccff;
    font-family: Arial, sans-serif;
    color: #333;
    margin: 0;
    padding: 0;
}

#timer {
    font-size: 48px;
    text-align: center;
    padding: 20px;
    background-color: #fff;
    border: 2px solid #666;
    margin: 0;
}

/* Roast phase backgrounds */
#timer.initial-phase {
    background-color: #ffffff; /* white before Charge */
}

#timer.charge-phase {
    background-color: #e6ffe6; /* pale green after Charge */
}

#timer.yellow-phase {
    background-color: #fffdd0; /* light yellow after Yellow */
}

/* Dynamic muddy yellow-brown transition (0–40% dev) */
#timer.dev-phase {
    transition: background-color 0.5s ease;
}

#create-plan {
    padding: 20px;
    text-align: center;
}

#create-plan input {
    width: 80%;
    padding: 10px;
    font-size: 18px;
}

#create-plan button {
    margin-top: 10px;
    padding: 10px 20px;
    font-size: 18px;
}

#controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 10px;
}

.button-group button:not(.nav-btn) {
    font-size: 20px;
    border: 2px solid #666;
    background-color: #fff;
    color: #333;
    border-radius: 10px;
    cursor: pointer;
}

.button-group .nav-btn {
    padding: 15px 25px;
    font-size: 20px;
    border: 2px solid #666;
    background-color: #E8E;
    color: #333;
    border-radius: 10px;
    cursor: pointer;
}

.button-group button:active {
    background-color: #ddd;
}

#event-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin: 20px;
}

#event-buttons button.activated {
    background-color: #ccc; /* gray to indicate completed step */
    color: #333;
    border: 2px solid #888;
}


#event-buttons button {
    padding: 15px 25px;
    font-size: 20px;
    border: 2px solid #666;
    background-color: #afa;
    color: #333;
    border-radius: 10px;
    cursor: pointer;
}

#event-buttons button:active {
    background-color: #ddd;
}

.used-temp {
    background-color: #ccc !important;
    color: #333;
    border: 2px solid #888;
    cursor: default;
}


#log-table {
    width: 100%;
    border-collapse: collapse;
}

#log-table table {
    table-layout: fixed;
    width: 90%;
    margin: auto;
}

#log-table th,
#log-table td {
    border: 1px solid #666;
    padding: 10px;
    text-align: center;
}

#log-table th {
    background-color: #f0e6ff;
}

#export-csv {
    margin: 20px;
    text-align: center;
}

#export-csv button {
    padding: 10px 20px;
    font-size: 18px;
    border: 2px solid #666;
    background-color: #fff;
    color: #333;
    border-radius: 10px;
    cursor: pointer;
}

#export-csv button:active {
    background-color: #ddd;
}

.hidden {
    display: none;
}

#temp-buttons {
    margin: 8px;
}

#temp-buttons button {
    text-align: center;
    width: 3.5em;
}
#graph-container {
    position: fixed; /* Centered and float over the screen */
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* Aligns perfectly center */
    width: 100%;
    max-width: 800px;
    height: 400px;
    justify-content: center;
    align-items: center;
    background-color: #fff;
    border: 1px solid #ccc;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    z-index: 1000; /* Ensures it's above other elements */
}

.graph-display-flex {
    display: flex;
}

canvas {
    width: 100%;
    height: 100%;
}

#close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 5px 10px;
    font-size: 16px;
    cursor: pointer;
    z-index: 10;
    border-radius: 4px;
}

#close-btn:hover {
    background-color: #f8f8f8;
}