/* Site styles, shared look with waveplot */

:root {
    --aa-ink: #1b2333;
    --aa-muted: #5a6478;
    --aa-rule: #dde3ee;
    --aa-surface: #f4f7fc;
    --aa-brand: #307cff;
    --aa-link: #1f5fd6;  /* brand blue darkened for 4.5:1 text contrast */
    --aa-link-hover: #184ba8;
}

html {
    font-size: 15px;
}

body {
    color: var(--aa-ink);
    font-family: 'Atkinson Hyperlegible', system-ui, sans-serif;
}

a {
    color: var(--aa-link);
}

/* Navbar */

.site-navbar {
    background: #fff;
    border-bottom: 1px solid var(--aa-rule);
    padding-top: 0.4rem;
    padding-bottom: 0.4rem;
}

.site-navbar .site-brand {
    color: var(--aa-ink);
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: -0.01em;
}

.site-navbar .site-nav-link {
    color: var(--aa-muted);
    padding-left: 0.75rem;
    padding-right: 0.75rem;
    text-decoration: none;
}

/* The Cite link is a button (it opens a dialog), styled like the links */
.site-navbar .btn.site-nav-link {
    border: 0;
    box-shadow: none;
    font-size: inherit;
}

.site-navbar .site-nav-link:hover,
.site-navbar .site-nav-link:focus-visible {
    color: var(--aa-ink);
}

.site-navbar .site-nav-link .fa-solid,
.site-navbar .site-nav-link .fab {
    margin-right: 0.15rem;
}

/* Page: viewer left, options right */

.tool-page {
    padding-top: 1rem;
}

.molecule_div {
    position: relative;  /* 3Dmol.js places its canvas inside this box */
    width: 100%;
    height: 60vh;
    border: 1px solid var(--aa-rule);
    border-radius: 6px;
    background: #fff;
    overflow: hidden;
}

@media (min-width: 992px) {
    /* Viewer fills the screen height and stays in view while the
       options beside it scroll */
    .viewer-col {
        position: sticky;
        top: 1rem;
        align-self: flex-start;
    }

    .molecule_div {
        height: calc(100vh - 6rem);
    }
}

.controls-col {
    padding-bottom: 1rem;
}

.panel-heading {
    margin: 1.5rem 0 1rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--aa-rule);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--aa-ink);
}

.controls-col > section:first-child .panel-heading {
    margin-top: 0.5rem;
}

.panel-intro {
    margin: -0.4rem 0 1rem;
    color: var(--aa-muted);
}

.controls-col .control {
    margin-bottom: 0.9rem;
}

.controls-col .input-group-text {
    background: var(--aa-surface);
    border-color: var(--aa-rule);
    color: var(--aa-ink);
}

.controls-col .form-control,
.controls-col .form-select {
    border-color: var(--aa-rule);
}

.btn-primary {
    background-color: var(--aa-link);
    border-color: var(--aa-link);
}

.btn-primary:hover,
.btn-primary:focus-visible {
    background-color: var(--aa-link-hover);
    border-color: var(--aa-link-hover);
}

.btn-outline-secondary {
    color: var(--aa-ink);
    border-color: var(--aa-rule);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus-visible {
    color: var(--aa-ink);
    background: var(--aa-surface);
    border-color: var(--aa-muted);
}

/* Results */

.results {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border: 1px solid var(--aa-rule);
    border-radius: 6px;
    margin-bottom: 1rem;
}

.result {
    padding: 0.8rem 1rem;
}

.result + .result {
    border-left: 1px solid var(--aa-rule);
}

.result-value {
    font-size: 1.5rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
    min-height: 1.2em;
}

.result-label {
    color: var(--aa-muted);
}

.cluster-table {
    color: var(--aa-muted);
}

.cluster-table table {
    width: 100%;
    border-collapse: collapse;
    color: var(--aa-ink);
}

.cluster-table th {
    font-weight: 400;
    color: var(--aa-muted);
    border-bottom: 1px solid var(--aa-rule);
    padding: 0.35rem 0.5rem;
}

.cluster-table td {
    padding: 0.35rem 0.5rem;
    border-bottom: 1px solid var(--aa-surface);
}

.cluster-table .cluster-swatch {
    width: 2.75rem;
}

.cluster-table label {
    display: block;
    margin: 0;
}

/* Colour picker shown as a small swatch */
.cluster-table .cluster-colour-input {
    width: 2rem;
    height: 1.6rem;
    padding: 2px;
    border: 1px solid var(--aa-rule);
    border-radius: 4px;
    cursor: pointer;
}

.cluster-table .cluster-colour-input:focus-visible {
    outline: 3px solid var(--aa-brand);
    outline-offset: 1px;
}

.cluster-hint {
    margin: 0.5rem 0 0;
    color: var(--aa-muted);
    font-size: 0.95rem;
}

.cluster-table .cluster-percent {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.box {
    width: 15px;
    height: 15px;
    display: inline-block;
    vertical-align: middle;
    border-radius: 3px;
    background-color: #ccc;
}

/* Collapsible sections */

.panel-details {
    margin-top: 1.25rem;
    border-top: 1px solid var(--aa-rule);
}

.panel-summary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 0;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--aa-ink);
    cursor: pointer;
    list-style: none;
}

.panel-summary::-webkit-details-marker {
    display: none;
}

/* Chevron that turns when the section opens */
.panel-summary::before {
    content: '';
    width: 0.5em;
    height: 0.5em;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(-45deg);
    transition: transform 150ms ease;
}

.panel-details[open] > .panel-summary::before {
    transform: rotate(45deg);
}

.panel-summary:hover {
    color: var(--aa-link);
}

.panel-summary:focus-visible {
    outline: 3px solid var(--aa-brand);
    outline-offset: 2px;
}

.panel-details-body {
    padding-top: 0.25rem;
}

@media (prefers-reduced-motion: reduce) {
    .panel-summary::before {
        transition: none;
    }
}

/* Footer, at the end of the page */

.site-footer {
    margin-top: 3rem;
    padding: 1.25rem 24px 2rem;
    border-top: 1px solid var(--aa-rule);
    color: var(--aa-muted);
    font-size: 0.95rem;
    text-align: center;
}