:root {
    --primary-color: #1C2833;
    --secondary-color: #166088;
    --text-color: #333;
    --background-color: #f4f7f9;
    --card-background: #ffffff;
    --input-background: #f9f9f9;
    --border-color: #d1d9e6;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --button-hover-color: #3a5a8c;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

.title {
    text-align: center;
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-transform: uppercase;
    font-weight: 700;
    margin-top: 20px;
    width: 100%;
}

.container {
    background: var(--card-background);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px var(--shadow-color);
    max-width: 800px;
    width: 100%;
}

h1 {
    font-size: 28px;
    margin-bottom: 30px;
    text-align: center;
    font-weight: 700;
    color: var(--primary-color);
}

h2 {
    font-size: 22px;
    margin-top: 30px;
    margin-bottom: 20px;
    color: var(--secondary-color);
    text-transform: uppercase;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px; /* Increased gap for more consistent spacing */
    margin-bottom: 25px;
}

.input-group {
    margin-bottom: 0; /* Remove margin-bottom */
}

label {
    display: block;
    font-size: 14px;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 600;
}

input, select {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--input-background);
    box-sizing: border-box;
    transition: border-color 0.3s, box-shadow 0.3s;
    margin-bottom: 0; /* Remove margin-bottom */
}

.input-with-unit {
    position: relative;
}

.input-with-unit input {
    padding-right: 40px;
}

.unit {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #7f8c8d;
    font-size: 14px;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.2);
}

button {
    padding: 14px;
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
    font-weight: 500;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

button span {
    display: inline-block;
    margin-left: 10px;
}

button:hover {
    background-color: var(--button-hover-color);
}

button:active {
    transform: translateY(1px);
}

.result {
    margin-top: 30px;
    font-size: 16px;
    text-align: left;
    padding: 20px;
    background-color: var(--input-background);
    border-radius: 8px;
    border: 2px solid var(--border-color);
    display: none;
}

.result h2 {
    margin-top: 0;
    color: var(--primary-color);
}

.result p {
    margin-bottom: 10px;
}

.section {
    margin-bottom: 30px;
}

.subsection {
    border: 1px solid var(--border-color);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    background-color: var(--card-background);
    box-shadow: 0 4px 6px var(--shadow-color);
}

.subsection h3 {
    margin-top: 0;
    color: var(--secondary-color);
}

.step {
    margin-bottom: 30px; /* Add margin to the bottom of each step */
}

@media (max-width: 600px) {
    .container {
        padding: 20px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 24px;
    }
}

.buttons {
    margin-top: 30px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
}

.macro-breakdown {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}

.macro-item {
    text-align: center;
    flex: 1;
    padding: 15px;
    background-color: var(--card-background);
    border-radius: 8px;
    margin: 0 5px;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.macro-item h4 {
    margin: 0 0 10px 0;
    color: var(--secondary-color);
}

.macro-value {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
}