body {
    font-family: Arial, sans-serif;
    background: #f7f7f7;
    color: #222;
    margin: 0;
    padding: 24px;
    line-height: 1.5;
}

main {
    max-width: 1150px;
    margin: 0 auto;
}

h1 {
    margin-top: 0;
    margin-bottom: 0;
}

h2 {
    margin-top: 0;
}

.uc-brand {
    font-size: 16px;
    font-weight: bold;
    color: #555;
    margin-top: 2px;
    margin-bottom: 12px;
}

.intro,
.helper,
.field-note {
    color: #555;
}

.card {
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    margin: 18px 0;
}

.results-card {
    overflow-x: auto;
}

.instructions {
    padding-left: 24px;
}

.instructions li {
    margin-bottom: 7px;
}

.privacy-warning {
    background: #fff3cd;
    border: 2px solid #d6a700;
    border-radius: 6px;
    padding: 14px;
    margin-top: 18px;
}

.privacy-warning strong {
    display: block;
    margin-bottom: 4px;
}

a {
    color: #0056b3;
}

.form-row {
    margin: 14px 0;
}

.field-note {
    font-size: 14px;
    margin-top: 6px;
    margin-bottom: 0;
}

label {
    font-weight: bold;
    display: block;
    margin-bottom: 4px;
}

.checkbox-label {
    font-weight: normal;
    display: flex;
    gap: 8px;
    align-items: center;
}

input,
select,
button {
    padding: 7px;
    font-size: 14px;
}

button {
    background: #222;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 10px 16px;
    cursor: pointer;
    margin: 10px 0;
}

button:hover {
    background: #444;
}

details {
    margin-top: 14px;
}

summary {
    cursor: pointer;
    font-weight: bold;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.summary-box {
    background: #f1f1f1;
    border-radius: 6px;
    padding: 12px;
}

.summary-box strong {
    display: block;
    font-size: 22px;
}

.results-note {
    color: #555;
    margin-top: -8px;
    margin-bottom: 14px;
}

/* Availability tier key */

.tier-legend {
    background: #f7f7f7;
    border: 1px solid #ccc;
    border-radius: 6px;
    padding: 12px 14px;
    margin: 12px 0 16px;
}

.tier-legend-title {
    font-weight: bold;
    margin-bottom: 8px;
}

.tier-legend-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
}

.tier-legend-item {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 14px;
}

.tier-swatch {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 1px solid #999;
    border-radius: 3px;
    flex-shrink: 0;
}

.tier-range {
    margin-left: 4px;
    color: #555;
}

/* Heat map */

.table-wrap {
    overflow-x: auto;
    max-height: 600px;
    border: 1px solid #ccc;
    margin-top: 10px;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin-top: 10px;
    margin-bottom: 30px;
}

th,
td {
    border: 1px solid #bbb;
    padding: 7px;
    text-align: center;
    white-space: nowrap;
}

th {
    background-color: #e9e9e9;
}

.table-wrap th {
    position: sticky;
    top: 0;
    z-index: 2;
}

/*
    These four classes are used by BOTH
    the heat map and the Availability Tiers key.
*/

.heat-excellent {
    background-color: #4CAF50 !important;
    color: white !important;
    font-weight: bold;
}

.heat-strong {
    background-color: #C6E0B4 !important;
    color: black !important;
}

.heat-viable {
    background-color: #FFD966 !important;
    color: black !important;
}

.heat-low {
    background-color: #F4B084 !important;
    color: black !important;
}

.export-buttons {
    margin: 18px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.export-buttons button {
    background: #555;
}

@media (max-width: 650px) {
    body {
        padding: 12px;
    }

    .card {
        padding: 15px;
    }

    .tier-legend-items {
        display: block;
    }

    .tier-legend-item {
        margin: 7px 0;
    }
}

@media print {
    * {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    button,
    input,
    select,
    details,
    .card:not(.results-card) {
        display: none !important;
    }

    body {
        background: white;
    }

    .card {
        border: none;
    }

    .tier-legend {
        break-inside: avoid;
    }
}