* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', Arial, sans-serif;
}

body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eaeaea;
}

h1 {
    color: #2c3e50;
    font-size: 28px;
    margin-bottom: 20px;
}

.clock-container {
    text-align: center;
    padding: 10px;
    background: linear-gradient(135deg, #3498db, #2c3e50);
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    color: white;
    margin-bottom: 30px;
}

.clock {
    font-size: 60px;
    font-weight: bold;
    margin-bottom: 8px;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.date {
    font-size: 28px;
    opacity: 0.9;
}

.table-container {
    overflow-x: auto;
    margin-bottom: 30px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th {
    background-color: #3498db;
    color: white;
    text-align: left;
    padding: 15px;
    font-weight: 600;
}

td {
    padding: 15px;
    border-bottom: 1px solid #eaeaea;
}

tr:nth-child(even) {
    background-color: #f8f9fa;
}

tr:hover {
    background-color: #eef5ff;
}

.status {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.status.upcoming {
    background-color: #e8f4fd;
    color: #3498db;
}

.status.ongoing {
    background-color: #e8f6f3;
    color: #27ae60;
}

.status.completed {
    background-color: #f9ebea;
    color: #e74c3c;
}

.controls-container {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}

.controls-container h2 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 20px;
}

.controls {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    padding: 10px 20px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s;
}

.btn:hover {
    background: #2980b9;
}

.btn-secondary {
    background: #2c3e50;
}

.btn-secondary:hover {
    background: #1a252f;
}

.btn-success {
    background: #27ae60;
}

.btn-success:hover {
    background: #219653;
}

.config-section {
    background: #f0f7ff;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #3498db;
}

.config-input {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.config-input input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    flex: 1;
    min-width: 200px;
}

.loading {
    text-align: center;
    padding: 20px;
    color: #7f8c8d;
}

.error {
    background: #f9ebea;
    color: #e74c3c;
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
}

footer {
    margin-top: 30px;
    text-align: center;
    color: #7f8c8d;
    font-size: 14px;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
}

.modal h2 {
    margin-bottom: 20px;
    color: #2c3e50;
}

.close-btn {
    float: right;
    font-size: 24px;
    cursor: pointer;
    color: #7f8c8d;
}

.json-format {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    font-family: monospace;
    white-space: pre-wrap;
    margin: 15px 0;
    font-size: 14px;
}

@media (max-width: 768px) {
    .clock-container {
        padding: 20px;
    }
    
    .clock {
        font-size: 36px;
    }
    
    .date {
        font-size: 18px;
    }
    
    th, td {
        padding: 10px;
    }
    
    .config-input {
        flex-direction: column;
        align-items: stretch;
    }
    
    .config-input input {
        min-width: auto;
    }
    
    .controls {
        flex-direction: column;
    }

    footer {
    margin-top: 40px;
    text-align: center;
    color: #7f8c8d;
    font-size: 14px;
    line-height: 1.6;
    padding: 20px 0;
    border-top: 1px solid #eaeaea;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    }

    footer p {
        margin: 8px 0;
    }

    .footer-link {
        color: #3498db;
        text-decoration: none;
        transition: all 0.3s ease;
        padding: 4px 8px;
        border-radius: 4px;
        margin: 0 8px;
    }

    .footer-link:hover {
        color: #ffffff;
            background-color: #3498db;
        text-decoration: none;
        transform: translateY(-1px);
        box-shadow: 0 2px 8px rgba(52, 152, 219, 0.3);
    }
}