:root {
    --primary-color: #2e7d32;
    --primary-light: #4caf50;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --text-color: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Inter', sans-serif;
    max-width: 900px;
    margin: 20px auto;
    padding: 15px;
    background-color: var(--background-color);
    color: var(--text-color);
}

.header {
    text-align: center;
    margin-bottom: 40px;
}

h1 {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 2.5em;
}

.price-ticker-container {
    background-color: var(--text-color);
    color: white;
    padding: 10px 0;
    margin-bottom: 30px;
    border-radius: 8px;
    overflow: hidden;
    white-space: nowrap;
}

.price-ticker-content {
    display: inline-block;
    padding-left: 100%;
    animation: scroll-left 40s linear infinite;
}

.ticker-item {
    display: inline-block;
    margin: 0 25px;
}

.ticker-item .name {
    font-weight: 500;
}

.ticker-item .price {
    font-weight: 700;
    color: var(--primary-light);
    margin-left: 8px;
}

@keyframes scroll-left {
    0% {
        transform: translateX(0%);
    }

    100% {
        transform: translateX(-100%);
    }
}

.module {
    background-color: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

h2 {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-top: 0;
    font-size: 1.5em;
    font-weight: 600;
}

h3 {
    color: var(--primary-color);
    border-bottom: 1px solid #eee;
    padding-bottom: 5px;
    margin-top: 25px;
    font-weight: 600;
}

h4 {
    color: #333;
    margin-top: 15px;
    margin-bottom: 5px;
}

button,
.option-button {
    background-color: var(--primary-light);
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 500;
    width: 100%;
    transition: all 0.2s;
    margin-bottom: 10px;
}

button:hover,
.option-button:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

.result-box {
    margin-top: 20px;
    padding: 20px;
    border-radius: 8px;
    background-color: #f8f9fa;
    line-height: 1.6;
    border: 1px solid var(--border-color);
}

input,
select {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 1em;
    box-sizing: border-box;
}

label {
    font-weight: 500;
    margin-bottom: 8px;
    display: block;
}

ul {
    padding-left: 20px;
}

li {
    margin-bottom: 10px;
}

.item-list {
    list-style-type: none;
    padding-left: 0;
}

.price-item,
.fertilizer-item,
.pdf-item,
.shap-item,
.plan-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #eee;
    padding: 12px 0;
}

.item-name,
.plan-item-label {
    font-weight: 500;
}

.item-value,
.plan-item-value {
    font-size: 1.1em;
    color: var(--primary-color);
    font-weight: 600;
}

.pdf-item a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
}

.pdf-item a:hover {
    text-decoration: underline;
}

.tabs {
    display: flex;
    border-bottom: 1px solid #ccc;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-button {
    background: none;
    border: none;
    padding: 12px 18px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 500;
    border-bottom: 3px solid transparent;
    color: var(--text-muted);
}

.tab-button.active {
    border-bottom: 3px solid var(--primary-light);
    color: var(--primary-color);
    font-weight: 600;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.strategy-cycle {
    border-left: 3px solid var(--primary-light);
    padding-left: 20px;
    margin-bottom: 25px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

th,
td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: #f8f9fa;
    font-weight: 600;
}

td.cost {
    text-align: right;
    font-weight: 500;
}

.total-cost {
    font-weight: bold;
    text-align: right;
}

.input-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.shap-positive {
    color: #2e7d32;
    font-weight: bold;
}

.shap-negative {
    color: #d32f2f;
    font-weight: bold;
}