/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

/* Container */
.container {
    width: 100%;
    max-width: 900px;
    min-width: 280px;
    margin: 0 auto;
    padding: 24px;
    background-color: #ffffff;
    border: 1px solid #d0d0d0;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Header */
header {
    text-align: center;
    margin-bottom: 20px;
}

header h1 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 2.2rem;
    font-weight: 600;
    color: #2196F3;
    padding-bottom: 0;
}

/* Sections */
.demographics {
    margin-bottom: 20px;
}

.results {
    margin-bottom: 30px;
}

.input-row {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

h2 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.3rem;
    font-weight: 500;
    color: #555;
    margin-bottom: 20px;
}

/* Input groups */
.input-group {
    margin-bottom: 18px;
}

.input-group-wrapper {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    vertical-align: top;
}

.input-caption {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: #666;
    margin-top: 4px;
    text-align: center;
    white-space: nowrap;
    min-height: 1rem;
}

.input-group label {
    display: block;
    font-weight: 500;
    font-size: 0.9rem;
    color: #444;
    margin-bottom: 6px;
}

.input-group input[type="text"],
.input-group input[type="date"],
.input-group select {
    width: 100%;
    padding: 10px 12px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: #fff;
    transition: border-color 0.3s ease;
}

.input-row .input-group-wrapper input[type="text"],
.input-row .input-group-wrapper select {
    width: 150px;
    text-align: center;
    padding: 8px 10px;
    font-size: 0.95rem;
    font-family: 'JetBrains Mono', monospace;
}

.input-row .input-group-wrapper input[type="text"]::placeholder {
    font-size: 0.85rem;
    text-align: center;
}

.input-row .input-group-wrapper select {
    font-size: 0.75rem;
}

.input-row .input-group-wrapper select option {
    font-size: 0.75rem;
}

.input-group input[type="text"]:focus,
.input-group input[type="date"]:focus,
.input-group select:focus {
    outline: none;
    border-color: #2196F3;
}

/* Checkbox group */
.checkbox-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 8px;
    cursor: pointer;
}

/* Copy button and header */
.copy-header {
    width: 60px;
    text-align: center;
    border-bottom: 2px solid #e0e0e0;
    padding-right: 16px;
}

.btn-copy {
    background: #ffffff;
    color: #1a1a1a;
    border: 1px solid #d0d0d0;
    border-radius: 4px;
    padding: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-copy:hover {
    background: #f5f5f5;
    border-color: #999999;
}

.btn-copy:active {
    transform: translateY(1px);
}

.btn-copy svg {
    stroke: #1a1a1a;
}

.center-header {
    text-align: center;
}

/* Special considerations */
.special-item {
    padding: 8px 12px;
    margin-bottom: 6px;
    background-color: #f9f9f9;
    border-left: 3px solid #2196F3;
    border-radius: 3px;
    font-size: 0.9rem;
    color: #555;
}


/* Results table */
.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.results-table thead {
    background-color: #f8f8f8;
}

.results-table th {
    padding: 10px 8px;
    text-align: left;
    font-weight: 600;
    color: #555;
    border-bottom: 2px solid #e0e0e0;
    font-size: 1rem;
    font-family: 'JetBrains Mono', monospace;
}

.results-table tbody tr {
    border-bottom: 1px solid #f0f0f0;
    transition: background-color 0.2s ease;
}

.results-table tbody tr:hover {
    background-color: #f9f9f9;
}

.results-table td {
    padding: 10px 8px;
    vertical-align: middle;
}

.results-table td input[type="text"] {
    width: 110px;
    padding: 6px 8px;
    font-size: 0.85rem;
    border: 1px solid transparent;
    border-radius: 3px;
    transition: all 0.3s ease;
    background-color: transparent;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
}

.results-table td input[type="text"].has-value {
    border-color: #ddd;
    background-color: #fff;
}

.results-table tbody tr:hover td input[type="text"] {
    border-color: #ddd;
    background-color: #fff;
}

.results-table td input[type="text"]:focus {
    outline: none;
    border-color: #2196F3;
    background-color: #fff;
}

.results-table td input[type="text"]::placeholder {
    color: #aaa;
    font-size: 0.8rem;
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #fff;
    border-radius: 12px;
    text-transform: uppercase;
    white-space: nowrap;
}

/* Footer */
footer {
    margin-top: 30px;
    text-align: center;
}

.source-reference {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: #666;
}

.source-reference a {
    color: #2196F3;
    text-decoration: none;
}

.source-reference a:hover {
    text-decoration: underline;
}

/* Obesity Assessment Section */
.obesity-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 12px;
}

.obesity-card {
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 12px 16px;
    background: #fff;
}

.obesity-card h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 600;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.obesity-metric {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.88rem;
    color: #444;
    margin-bottom: 4px;
}

.obesity-metric .metric-value {
    font-weight: 600;
    color: #1a1a1a;
}

.obesity-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.72rem;
    font-weight: 600;
    color: #fff;
    margin-top: 6px;
}

.obesity-badge.healthy   { background-color: #2196F3; }
.obesity-badge.overweight { background-color: #dd6b20; }
.obesity-badge.obese     { background-color: #e53e3e; }
.obesity-badge.severe    { background-color: #742a2a; }

.obesity-badge.bp-normal   { background-color: #2196F3; }
.obesity-badge.bp-elevated { background-color: #dd6b20; }
.obesity-badge.bp-stage1   { background-color: #e53e3e; }
.obesity-badge.bp-stage2   { background-color: #742a2a; }

.obesity-module-section {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid #f0f0f0;
}

.obesity-module-section h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 600;
    color: #888;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.obesity-rec-item {
    padding: 8px 12px;
    margin-bottom: 6px;
    background-color: #f9f9f9;
    border-left: 3px solid #2196F3;
    border-radius: 3px;
    font-size: 0.85rem;
    color: #555;
}

.obesity-rec-item.warning {
    border-left-color: #dd6b20;
}

.obesity-rec-item.alert {
    border-left-color: #e53e3e;
}

#obesitySection h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 12px;
    font-weight: 500;
}

/* Mobile responsive */
@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 16px;
        max-width: 100%;
    }

    header h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.1rem;
    }

    .input-group {
        margin-bottom: 16px;
    }

    .input-row {
        flex-direction: column;
        gap: 16px;
    }

    .input-row .input-group {
        width: 100%;
    }

    .input-row .input-group input[type="text"],
    .input-row .input-group select {
        width: 100%;
        min-width: 0;
    }

    .results-table {
        font-size: 0.75rem;
        display: block;
        overflow-x: auto;
    }

    .results-table th {
        font-size: 0.7rem;
        padding: 8px 6px;
    }

    .results-table td {
        padding: 8px 6px;
    }

    .results-table td input[type="text"] {
        max-width: 100px;
        font-size: 0.75rem;
        padding: 4px 6px;
    }

    .status-badge {
        font-size: 0.65rem;
        padding: 3px 6px;
    }

    .obesity-grid {
        grid-template-columns: 1fr;
    }
}