body {
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 20px;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

h1 {
    color: #2c3e50;
}

#title {
    font-size: 24px;
    font-weight: bold;
    margin: 20px 0;
    min-height: 30px;
}

#timer {
    font-size: 72px;
    margin: 20px 0;
    font-family: monospace;
    color: #2c3e50;
}

#message {
    font-size: 20px;
    color: #e74c3c;
    margin: 15px 0;
    min-height: 30px;
}

button {
    padding: 10px 15px;
    font-size: 16px;
    margin: 5px;
    cursor: pointer;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #2980b9;
}

button:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

.controls {
    margin: 20px 0;
}

.config {
    text-align: left;
    margin: 30px 0;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #f9f9f9;
}

label {
    display: block;
    margin: 10px 0;
}

input,
select {
    padding: 8px;
    margin-left: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.time-input {
    width: 60px;
}

.station-selection {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
}

.station-checkbox {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    background-color: #f0f0f0;
    border-radius: 4px;
    cursor: move;
    user-select: none;
}

.station-checkbox.dragging {
    opacity: 0.5;
    background-color: #e0e0e0;
}

.practice-type {
    margin: 15px 0;
}

.timings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.toggle-timings-btn {
    background-color: #95a5a6;
    padding: 5px 10px;
    font-size: 14px;
    margin-left: 10px;
}

.timings-content {
    display: none;
}

.timings-content.visible {
    display: block;
}