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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    min-height: 100vh;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 28px;
    margin-bottom: 10px;
}

.header p {
    opacity: 0.9;
}

.form-content {
    padding: 40px;
}

.section {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 2px solid #e0e0e0;
}

.section:last-child {
    border-bottom: none;
}

.section-title {
    font-size: 22px;
    color: #667eea;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 600;
    font-size: 14px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.3s;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s;
}

.checkbox-group:hover {
    background: #e9ecef;
}

.checkbox-group input[type="checkbox"],
.checkbox-group input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
    font-weight: 500;
}

.product-line {
    display: grid;
    grid-template-columns: 2fr 1fr auto;
    gap: 15px;
    align-items: end;
    margin-bottom: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 6px;
}

.btn-add {
    padding: 10px 20px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

.btn-add:hover {
    background: #5568d3;
}

.btn-remove {
    padding: 10px 15px;
    background: #dc3545;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-remove:hover {
    background: #c82333;
}

.signature-box {
    border: 2px dashed #ccc;
    border-radius: 6px;
    padding: 20px;
    text-align: center;
    background: #f8f9fa;
    margin-top: 10px;
}

.signature-input {
    width: 100%;
    font-style: italic;
    font-size: 20px;
    text-align: center;
    background: white;
    padding: 15px;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.required {
    color: #dc3545;
}

.tenant-name {
    display: flex;
    align-items: end;
    gap: 10px;
}

.tenant-name input {
    flex: 1;
}

.tenant-suffix {
    padding: 12px;
    background: #e9ecef;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-weight: 600;
    color: #495057;
}