:root {
    --bg-color: #fff0f5; /* LavenderBlush */
    --card-bg: #ffffff;
    --text-main: #333333;
    --text-bright: #000000;
    --primary: #e91e63; /* Pink */
    --primary-hover: #c2185b; /* Darker Pink */
    --accent: #ff4081; /* Accent Pink */
    --border: #f8bbd0; /* Light Pink Border */
    --font-family: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.6;
    min-height: 100vh;
}

header {
    position: relative;
    text-align: center;
    padding: 3rem 1rem;
    background: #fff;
    border-bottom: 1px solid var(--border);
}

.header-actions {
    position: absolute;
    top: 2rem;
    right: 2rem;
    display: flex;
    gap: 0.65rem;
    align-items: center;
}

.header-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0.55rem 1.1rem;
    border: 1px solid var(--primary);
    border-radius: 6px;
    color: var(--primary);
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.header-action:hover,
.header-action:focus-visible,
.header-action[aria-current="page"] {
    color: #fff;
    background: var(--primary);
}

.header-action--primary {
    color: #fff;
    background: var(--primary);
}

.header-action--primary:hover,
.header-action--primary:focus-visible {
    border-color: var(--primary-hover);
    background: var(--primary-hover);
}

.header-action-icon {
    margin-right: 6px;
}

.language-picker {
    position: relative;
    display: inline-flex;
}

.header-action--icon {
    width: 40px;
    min-width: 40px;
    padding: 0;
    cursor: pointer;
}

.language-picker-menu {
    position: absolute;
    z-index: 1000;
    top: calc(100% + 0.45rem);
    left: 0;
    min-width: 158px;
    padding: 0.35rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16);
}

.language-picker-menu[hidden] {
    display: none;
}

.language-picker-menu button {
    display: block;
    width: 100%;
    padding: 0.55rem 0.7rem;
    border: 0;
    border-radius: 5px;
    color: var(--text-main);
    background: transparent;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.language-picker-menu button:hover,
.language-picker-menu button:focus-visible,
.language-picker-menu button.is-selected {
    color: var(--primary);
    background: rgba(233, 30, 99, 0.09);
}

.language-picker-menu button.is-selected::after {
    content: "✓";
    float: right;
    font-weight: 800;
}

.about-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.about-toolbar .back-link {
    margin-top: 0;
}

.about-toolbar .language-picker-menu {
    right: 0;
    left: auto;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-bright);
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}

.last-updated {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: #555;
}

main {
    max-width: 1540px;
    margin: 0 auto;
    padding: 0 1rem 4rem;
}

.hero {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 2.5rem;
    color: var(--text-bright);
    margin-bottom: 1rem;
}

.search-box {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
    align-items: flex-end;
}

.input-group {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.input-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    font-size: 0.9rem;
}

input[type="text"],
select {
    background: #fff;
    border: 1px solid var(--border);
    padding: 0.8rem 1.2rem;
    border-radius: 6px;
    color: var(--text-main);
    font-size: 1rem;
    width: 250px;
    transition: border-color 0.2s;
}

select {
    appearance: none;
    /* remove default arrow */
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23333%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 0.7rem top 50%;
    background-size: 0.65rem auto;
    padding-right: 2.5rem;
}

input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.3);
}

button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

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

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.card h2 {
    color: var(--text-bright);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
}

.plot-container {
    text-align: center;
    background: white;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border);
}

img#forest-plot {
    max-width: 100%;
    height: auto;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    color: var(--text-main);
}

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

th {
    color: #333;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    background-color: rgba(233, 30, 99, 0.15);
    /* Light pink accent */
}

tr:nth-child(even) {
    background-color: rgba(233, 30, 99, 0.05);
    /* Faint pink tint */
}

/* Spinner */
.hidden {
    display: none !important;
}

#loading {
    text-align: center;
    margin: 3rem 0;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--border);
    border-top: 5px solid var(--accent);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

#error-message {
    color: #cf222e;
    background: #ffebe9;
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid #ff818266;
    text-align: center;
    margin-bottom: 2rem;
}

/* Statsmodels HTML table override */
table.dataframe {
    width: 100%;
    border: none;
    color: var(--text-main);
}

/* Force text color in summary stats since statsmodels outputs plain HTML */
#summary-stats {
    background: #fff;
    color: var(--text-main);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    overflow-x: auto;
}

/* Highlight specific rows in stats table */
.highlight-row {
    background-color: rgba(233, 30, 99, 0.1) !important;
    /* Pink tint */
    font-weight: bold;
    border-left: 4px solid #e91e63;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
    /* align with input text baseline roughly */
}

.checkbox-group input {
    width: auto;
    /* reset width from 250px */
    margin: 0;
}

.checkbox-group label {
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
}

/* Custom Dropdown Styles */
.custom-dropdown {
    position: relative;
    width: 250px;
}

.custom-dropdown input {
    width: 100%;
}

.dropdown-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 0 0 6px 6px;
    max-height: 250px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.dropdown-options div {
    padding: 0.8rem 1.2rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-main);
}

.dropdown-options div:hover {
    background-color: rgba(233, 30, 99, 0.1);
    color: var(--primary);
}

/* Sortable Headers */
th.sortable {
    cursor: pointer;
}

th.sortable:hover {
    background-color: rgba(233, 30, 99, 0.25);
}

.sort-icon::after {
    content: '⇅';
    margin-left: 0.35rem;
    opacity: 0.3;
    display: inline-block;
    font-size: 0.85em;
    vertical-align: middle;
}

#th-n-cases .sort-icon::after {
    margin-left: 0.15rem;
}

th.sort-asc .sort-icon::after {
    content: '▲';
    opacity: 1;
}

th.sort-desc .sort-icon::after {
    content: '▼';
    opacity: 1;
}

/* Quality Badges */
.quality-badge {
    display: inline-block;
    text-align: center;
    min-width: 70px;
    cursor: pointer !important;
}
.quality-badge:focus-visible {
    outline: 3px solid rgba(33, 90, 142, 0.35);
    outline-offset: 2px;
}
.quality-good { background-color: #238636; }
.quality-moderate { background-color: #d29922; }
.quality-fair { background-color: #f85149; }

.jbi-tooltip {
    position: fixed;
    z-index: 10000;
    width: max-content;
    min-width: 220px;
    max-width: min(320px, calc(100vw - 16px));
    max-height: min(420px, calc(100vh - 16px));
    overflow-y: auto;
    padding: 0.75rem 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    background: #1f2937;
    color: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28);
    pointer-events: none;
    text-align: left;
    font-size: 0.78rem;
    line-height: 1.35;
}
.jbi-tooltip[hidden] { display: none; }
.jbi-tooltip-heading { font-size: 0.9rem; font-weight: 800; }
.jbi-tooltip-rating { margin-top: 0.2rem; color: #dbeafe; }
.jbi-tooltip-list {
    display: grid;
    grid-template-columns: minmax(36px, auto) minmax(90px, 1fr);
    gap: 0.18rem 0.65rem;
    margin: 0.6rem 0 0;
}
.jbi-tooltip-list dt { margin: 0; font-weight: 700; color: #bfdbfe; }
.jbi-tooltip-list dd { margin: 0; }
.jbi-tooltip-unavailable { margin-top: 0.6rem; color: #fcd34d; }

/* Tab Navigation */
.tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border);
}

button.tab-btn {
    background: transparent;
    color: #666;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 0;
    margin-bottom: -2px; /* overlap the bottom border */
}

button.tab-btn:hover {
    background: rgba(233, 30, 99, 0.05);
    color: var(--primary);
}

button.tab-btn.active {
    color: var(--primary);
    border-bottom: 3px solid var(--primary);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Study Table Expandable Details Styles */
.expand-btn {
    transition: transform 0.2s ease, color 0.2s ease;
}
.expand-btn:hover {
    transform: scale(1.2);
}
.details-row td {
    padding: 0 !important; /* Let container handle inner padding for custom grid spacing */
}
.snippets-container {
    background: #ffffff;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
    border-radius: 0 4px 4px 0;
}
.snippet-item {
    background: rgba(233, 30, 99, 0.01);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    border: 1px solid rgba(233, 30, 99, 0.04);
    transition: background-color 0.2s ease;
}
.snippet-item:hover {
    background: rgba(233, 30, 99, 0.03);
}

@media (max-width: 768px) {
    header {
        padding-top: 6rem;
    }

    .header-actions {
        top: 1.25rem;
        right: 50%;
        transform: translateX(50%);
    }

    .language-picker-menu {
        right: auto;
        left: 0;
    }

}

/* Disease summary */
.summary-main {
    max-width: 1500px;
    padding-top: 2rem;
}

.summary-back-link,
.plot-open-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.summary-back-link:hover,
.plot-open-link:hover {
    text-decoration: underline;
}

.summary-intro {
    max-width: 760px;
    margin: 2.5rem auto 3rem;
    text-align: center;
}

.summary-intro > p:not(.summary-eyebrow) {
    color: #5f6368;
    font-size: 1.05rem;
}

.summary-eyebrow {
    margin-bottom: 0.45rem;
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.disease-picker {
    max-width: 560px;
    margin: 2rem auto 0;
    padding: 1.25rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 5px 18px rgba(75, 22, 47, 0.07);
    text-align: left;
}

.disease-picker > label {
    display: block;
    margin-bottom: 0.55rem;
    font-size: 0.9rem;
    font-weight: 700;
}

.disease-picker-controls {
    display: flex;
    gap: 0.75rem;
}

.summary-scope-risk {
    margin: 0.75rem 0 0;
    color: #7a244f;
    font-size: 0.9rem;
    font-weight: 600;
}

.summary-plot-unavailable {
    min-height: 180px;
    display: flex;
    align-items: center;
    padding: 1rem;
    color: #5f6368;
    line-height: 1.55;
    background: #fff;
    border: 1px dashed #d5b3c3;
    border-radius: 5px;
}

.disease-picker-controls select {
    flex: 1;
    width: auto;
}

.summary-results {
    display: grid;
    gap: 2rem;
}

.summary-results-heading,
.summary-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1.5rem;
}

.summary-results-heading {
    padding: 1.25rem 1.5rem;
    border-left: 5px solid var(--primary);
    border-radius: 8px;
    background: rgba(233, 30, 99, 0.06);
}

.summary-results-heading h2,
.summary-section-heading h2 {
    margin: 0;
    color: var(--text-bright);
}

.summary-results-heading > p,
.summary-section-heading > p {
    color: #666;
    font-size: 0.9rem;
}

.summary-section {
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.summary-section-heading {
    margin-bottom: 1.25rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border);
}

.summary-plot-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

.summary-plot-card {
    min-width: 0;
    padding: 1rem;
    border: 1px solid #eee;
    border-radius: 8px;
    background: #fffafa;
}

.summary-plot-card h3 {
    margin-bottom: 0.75rem;
    color: #333;
    font-size: 1rem;
}

.summary-pdf {
    display: block;
    width: 100%;
    height: 620px;
    margin-bottom: 0.65rem;
    border: 1px solid #e2e2e2;
    border-radius: 5px;
    background: #fff;
}

.summary-pdf--forest {
    height: 760px;
}

.plot-open-link {
    display: inline-block;
    font-size: 0.85rem;
}

@media (max-width: 900px) {
    .summary-plot-grid {
        grid-template-columns: 1fr;
    }

    .summary-pdf,
    .summary-pdf--forest {
        height: 680px;
    }
}

@media (max-width: 560px) {
    .disease-picker-controls,
    .summary-results-heading,
    .summary-section-heading {
        align-items: stretch;
        flex-direction: column;
    }

    .disease-picker-controls button {
        width: 100%;
    }

    .summary-section {
        padding: 1rem;
    }

    .summary-pdf,
    .summary-pdf--forest {
        height: 520px;
    }
}