body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 16px;
}

header {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid #ddd;
}

h1 {
    color: #4CAF50;
    margin: 0;
}

h2 {
    color: #333;
    margin-top: 0;
    display: inline-block;
}

h3 {
    color: #333;
    margin-top: 24px;
    margin-bottom: 12px;
}

.header-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.button-group {
    display: grid;
}

.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
}

input, textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
}

input[type="datetime-local"] {
    height: 44px;
}

button, .primary-btn, .secondary-btn, .cancel-btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 16px 24px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 8px 0;
    cursor: pointer;
    border-radius: 4px;
    width: 100%;
    box-sizing: border-box;
}

button:hover, .primary-btn:hover, .secondary-btn:hover, .cancel-btn:hover {
    background-color: #45a049;
}

.secondary-btn {
    background-color: #9e9e9e;
    width: auto;
    padding: 8px 16px;
}

.secondary-btn:hover {
    background-color: #757575;
}

.cancel-btn {
    background-color: #9e9e9e;
    color: white;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    padding: 12px 24px;
    font-size: 16px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    width: 100%;
    box-sizing: border-box;
}

.cancel-btn:hover {
    background-color: #757575;
}

.pwa-instructions-link {
    margin-top: 24px;
    padding: 16px;
    background-color: #e8f5e9;
    border-radius: 4px;
    border-left: 4px solid #4CAF50;
}

.pwa-instructions-link a {
    color: #4CAF50;
    text-decoration: underline;
    font-weight: bold;
}

.pwa-instructions-link ul {
    padding-left: 20px;
    margin-top: 8px;
}

.pwa-instructions-link li {
    margin-bottom: 8px;
}

#jobs-list {
    list-style-type: none;
    padding: 0;
}

#jobs-list li {
    background-color: white;
    margin-bottom: 12px;
    padding: 16px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.job-link {
    text-decoration: none;
    color: #333;
    display: block;
}

.job-link:hover {
    color: #4CAF50;
}

#history-list {
    list-style-type: none;
    padding: 0;
}

#history-list li {
    background-color: white;
    margin-bottom: 12px;
    padding: 16px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.job-info {
    flex-grow: 1;
}

.job-location {
    font-weight: bold;
    margin-bottom: 8px;
}

.job-time {
    font-size: 14px;
    color: #666;
}

.edit-btn {
    background-color: #2196F3;
    color: white;
    border: none;
    padding: 8px 16px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    cursor: pointer;
    border-radius: 4px;
    width: 60px;
    height: 36px;
    box-sizing: border-box;
}

.edit-btn:hover {
    background-color: #1976D2;
}

@media (min-width: 600px) {
    .container {
        max-width: 600px;
    }

    .secondary-btn, .cancel-btn {
        width: auto;
    }
}