* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(180deg, #c8e6c9 0%, #81c784 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 30px;
}

h1 {
    color: #333;
    margin-bottom: 30px;
    text-align: center;
    font-size: 2em;
}

.form-container {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.form-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.form-field {
    display: flex;
    flex-direction: column;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
    cursor: pointer;
}

label {
    font-weight: 600;
    margin-bottom: 5px;
    color: #555;
}

input, select {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    transition: border-color 0.3s;
}

input:focus, select:focus {
    outline: none;
    border-color: #43a047;
}

button {
    background: linear-gradient(135deg, #43a047 0%, #1b5e20 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(67, 160, 71, 0.4);
}

button:active {
    transform: translateY(0);
}

.results-container {
    margin-top: 20px;
}

.info-box {
    background: #e3f2fd;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    border-left: 4px solid #2196f3;
}

.error-box {
    background: #ffebee;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    border-left: 4px solid #f44336;
    color: #c62828;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

thead {
    background: linear-gradient(135deg, #43a047 0%, #1b5e20 100%);
    color: white;
}

th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
}

tbody tr:hover {
    background: #f5f5f5;
}

tbody tr:last-child td {
    border-bottom: none;
}

.number {
    text-align: right;
    font-family: 'Courier New', monospace;
}

.loading {
    text-align: center;
    padding: 20px;
    color: #666;
}

.summary {
    background: #f1f8e9;
    padding: 15px;
    border-radius: 5px;
    margin-top: 20px;
    border-left: 4px solid #8bc34a;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.summary-label {
    font-weight: 600;
    color: #558b2f;
}

.summary-value {
    font-size: 1.5em;
    font-weight: 700;
    color: #33691e;
}