/*
 * Structure modelled on netsec-cost.eu/people.html (filters panel with
 * working-group chips, mentorship facet, keyword chips with counts,
 * region chips, results toolbar, member card grid, right-side sliding
 * detail panel) — re-skinned in SENESCENCE2030's own palette. Card
 * content (name/institute/Email Address/Orcid/country+flag) follows
 * the site's existing directory card style. Colors pulled from the
 * live site's computed styles: dark green #173d0d, button/link green
 * #298537.
 */

.btk-s2030-directory {
	--btk-green-dark: #173d0d;
	--btk-green: #298537;
	--btk-green-tint: #eef6ec;
	--btk-border: #dfe6db;
	--btk-text: #333333;
	--btk-text-muted: #6b6b6b;

	font-family: inherit;
	color: var(--btk-text);
}

.btk-s2030-directory__panel {
	background: rgba(238, 246, 236, 0.72);
	backdrop-filter: blur(6px);
	-webkit-backdrop-filter: blur(6px);
	border: 1px solid var(--btk-border);
	border-radius: 20px;
	padding: 1.75rem 2rem;
	display: grid;
	gap: 1.75rem;
}

.btk-s2030-directory__row {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-start;
	gap: 2.5rem;
}

.btk-s2030-directory__search {
	flex: 1 1 260px;
	min-width: 220px;
}

.btk-s2030-directory__select-group {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 0.6rem;
}

.btk-s2030-directory__select-group .btk-s2030-directory__group-label {
	margin-bottom: 0;
	white-space: nowrap;
}

.btk-s2030-directory__select {
	border: 1.5px solid rgba(41, 133, 55, 0.35);
	background: rgba(255, 255, 255, 0.7);
	color: var(--btk-green-dark);
	border-radius: 999px;
	padding: 0.4rem 2rem 0.4rem 1rem;
	font-size: 0.85rem;
	font-weight: 600;
	font-family: inherit;
	cursor: pointer;
	appearance: none;
	-webkit-appearance: none;
	background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='%23173d0d' d='M4 6l4 4 4-4'/%3e%3c/svg%3e");
	background-repeat: no-repeat;
	background-position: right 0.75rem center;
	background-size: 12px;
}

.btk-s2030-directory__select:hover {
	border-color: var(--btk-green);
}

.btk-s2030-directory__select:focus {
	outline: none;
	border-color: var(--btk-green);
	box-shadow: 0 0 0 3px rgba(41, 133, 55, 0.15);
}
.btk-s2030-directory__search input {
	width: 100%;
	box-sizing: border-box;
	border: 1.5px solid var(--btk-border);
	border-radius: 20px;
	padding: 0.65rem 1.2rem;
	font-size: 0.95rem;
	background: rgba(255, 255, 255, 0.85);
}

.btk-s2030-directory__search input:focus {
	outline: none;
	border-color: var(--btk-green);
	box-shadow: 0 0 0 3px rgba(41, 133, 55, 0.15);
}

.btk-s2030-directory__group-label {
	display: block;
	font-size: 0.78rem;
	font-weight: 700;
	color: var(--btk-text-muted);
	text-transform: uppercase;
	letter-spacing: 0.06em;
	margin-bottom: 0.5rem;
}

.btk-s2030-directory__filter {
	padding-top: 0.7rem;
	border-top: 1px solid var(--btk-border);
}

.btk-s2030-directory__search {
	padding-top: 0;
	border-top: none;
}

.btk-s2030-directory__chips {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

/* ---------- Chips: soft fill + subtle colored glow, solid + glow when active ---------- */

.btk-s2030-directory__chip {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	border: 1px solid rgba(41, 133, 55, 0.35);
	background: rgba(255, 255, 255, 0.6);
	color: var(--btk-green-dark);
	border-radius: 999px;
	padding: 0.4rem 0.9rem;
	font-size: 0.82rem;
	font-weight: 600;
	cursor: pointer;
	transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.btk-s2030-directory__chip:hover {
	background: rgba(41, 133, 55, 0.12);
	border-color: var(--btk-green);
	box-shadow: 0 4px 12px rgba(41, 133, 55, 0.18);
}

.btk-s2030-directory__chip:active {
	transform: translateY(1px);
}

.btk-s2030-directory__chip[aria-pressed="true"] {
	background: var(--btk-green);
	border-color: var(--btk-green);
	color: #fff;
	box-shadow: 0 4px 14px rgba(41, 133, 55, 0.4), 0 0 0 1px rgba(41, 133, 55, 0.25);
}

.btk-s2030-directory__chip[aria-pressed="true"]:hover {
	background: var(--btk-green-dark);
	border-color: var(--btk-green-dark);
	box-shadow: 0 4px 14px rgba(23, 61, 13, 0.4), 0 0 0 1px rgba(23, 61, 13, 0.25);
}

.btk-s2030-directory__chip--keyword .count {
	background: rgba(0, 0, 0, 0.08);
	border-radius: 999px;
	padding: 0.05rem 0.45rem;
	font-size: 0.72rem;
}

.btk-s2030-directory__chip--keyword[aria-pressed="true"] .count {
	background: rgba(255, 255, 255, 0.25);
}

.btk-s2030-directory__keyword-filter {
	list-style: none;
}

.btk-s2030-directory__keyword-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	cursor: pointer;
	list-style: none;
}

.btk-s2030-directory__keyword-head::-webkit-details-marker {
	display: none;
}

.btk-s2030-directory__keyword-clear {
	background: transparent;
	border: none;
	color: var(--btk-green);
	font-size: 0.8rem;
	font-weight: 600;
	cursor: pointer;
	padding: 0;
}

.btk-s2030-directory__keyword-hint {
	font-size: 0.8rem;
	color: var(--btk-text-muted);
	margin: 0.3rem 0 0.6rem;
}

/* ---------- Toolbar ---------- */

.btk-s2030-directory__toolbar {
	display: flex;
	align-items: center;
	padding: 0.4rem 0.25rem 0;
	margin-top: 0.5rem;
}

.btk-s2030-directory__count {
	margin: 0;
	font-size: 0.9rem;
	color: var(--btk-text-muted);
	font-weight: 600;
}

.btk-s2030-directory__clear {
	background: var(--btk-green);
	border: 1.5px solid var(--btk-green);
	color: #fff;
	border-radius: 999px;
	padding: 0.4rem 1rem;
	font-size: 0.85rem;
	cursor: pointer;
	transition: background 0.15s ease, border-color 0.15s ease;
}

.btk-s2030-directory__clear:hover,
.btk-s2030-directory__clear:focus,
.btk-s2030-directory__clear:active,
.btk-s2030-directory__clear:visited {
	background: var(--btk-green-dark) !important;
	background-color: var(--btk-green-dark) !important;
	border-color: var(--btk-green-dark) !important;
	color: #fff !important;
	outline: none;
	box-shadow: none;
}

.btk-s2030-directory__clear:hover {
	border-color: var(--btk-green);
	color: var(--btk-green-dark);
}

.btk-s2030-directory__message {
	text-align: center;
	color: var(--btk-text-muted);
	padding: 2rem 1rem;
}

/* ---------- Grid + cards (matches the site's existing directory card style) ---------- */

.btk-s2030-directory__results {
	margin-top: 0.5rem;
}

.btk-s2030-directory__grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: 0;
	margin-top: 1rem;
}

.btk-s2030-directory__card {
	border-top: 1px solid var(--btk-border);
	padding: 1.25rem 1rem;
	display: flex;
	flex-direction: column;
	gap: 0.3rem;
}

.btk-s2030-directory__name {
	align-self: flex-start;
	background: none;
	border: none;
	padding: 0;
	margin: 0 0 0.15rem;
	font-size: 1.15rem;
	font-weight: 700;
	color: var(--btk-green);
	cursor: pointer;
	text-align: left;
	font-family: inherit;
}

.btk-s2030-directory__name:hover {
	color: var(--btk-green-dark);
	text-decoration: underline;
}

.btk-s2030-directory__institute {
	margin: 0 0 0.4rem;
	color: var(--btk-text);
	font-size: 0.92rem;
	line-height: 1.4;
}

.btk-s2030-directory__contact-links {
	display: flex;
	flex-wrap: wrap;
	gap: 1rem;
	margin-bottom: 0.4rem;
}

.btk-s2030-directory__contact-link {
	display: inline-flex;
	align-items: center;
	gap: 0.35rem;
	color: var(--btk-green);
	text-decoration: none;
	font-size: 0.88rem;
	font-weight: 600;
}

.btk-s2030-directory__contact-link:hover {
	color: var(--btk-green-dark);
	text-decoration: underline;
}

.btk-s2030-directory__country {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	margin: 0.2rem 0 0.5rem;
	font-size: 0.9rem;
	color: var(--btk-text);
}

.btk-s2030-directory__flag {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 20px;
	height: 20px;
	border-radius: 50%;
	background: var(--btk-green-tint);
	font-size: 0.85rem;
	line-height: 1;
	flex-shrink: 0;
	overflow: hidden;
}

.btk-s2030-directory__wgs,
.btk-s2030-directory__badges,
.btk-s2030-directory__tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.35rem;
	margin-top: 0.35rem;
}

.btk-s2030-directory__wg-chip {
	background: var(--btk-green-dark);
	color: #fff;
	border-radius: 999px;
	padding: 0.1rem 0.55rem;
	font-size: 0.7rem;
	font-weight: 700;
}

.btk-s2030-directory__badge {
	display: inline-block;
	border-radius: 999px;
	padding: 0.18rem 0.65rem;
	font-size: 0.72rem;
	font-weight: 700;
	color: #fff;
	background: var(--btk-green);
}

.btk-s2030-directory__badge--seeking {
	background: #c9820f;
}

.btk-s2030-directory__badge--stsm {
	background: #2b6ba3;
}

.btk-s2030-directory__tag {
	background: var(--btk-green-tint);
	color: var(--btk-green-dark);
	border-radius: 999px;
	padding: 0.12rem 0.55rem;
	font-size: 0.72rem;
	font-weight: 600;
}

/* ---------- Right-side sliding member panel (netsec pattern) ---------- */

body.btk-s2030-directory-panel-open {
	overflow: hidden;
}

.btk-s2030-directory__scrim {
	position: fixed;
	inset: 0;
	background: rgba(23, 61, 13, 0.35);
	z-index: 100000;
}

.btk-s2030-directory__panel-drawer {
	position: fixed;
	top: clamp(1rem, 4vh, 84px);
	right: 16px;
	bottom: 16px;
	width: min(440px, calc(100vw - 32px));
	background: #fff;
	border-radius: 18px;
	box-shadow: 0 18px 50px rgba(23, 61, 13, 0.28);
	display: flex;
	flex-direction: column;
	transform: translateX(calc(100% + 32px));
	transition: transform 0.26s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.btk-s2030-directory__panel-drawer.is-open {
	transform: translateX(0);
}

.btk-s2030-directory__panel-head {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	padding: 1rem 1.25rem;
	border-bottom: 1px solid var(--btk-border);
	flex-shrink: 0;
}

.btk-s2030-directory__panel-eyebrow {
	font-size: 0.78rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--btk-text-muted);
	flex: 1;
}

.btk-s2030-directory__panel-esc {
	font-size: 0.72rem;
	color: var(--btk-text-muted);
	background: var(--btk-green-tint);
	border: 1px solid var(--btk-border);
	border-radius: 4px;
	padding: 0.05rem 0.4rem;
	font-family: inherit;
}

.btk-s2030-directory__panel-close {
	background: none;
	border: none;
	font-size: 1.5rem;
	line-height: 1;
	color: var(--btk-text-muted);
	cursor: pointer;
	padding: 0.1rem 0.3rem;
}

.btk-s2030-directory__panel-close:hover {
	color: var(--btk-green-dark);
}

.btk-s2030-directory__panel-scroll {
	padding: 1.5rem 1.5rem 2rem;
	overflow-y: auto;
	display: grid;
	gap: 0.6rem;
}

.btk-s2030-directory__panel-photo {
	width: 88px;
	height: 88px;
	border-radius: 50%;
	object-fit: cover;
	background: var(--btk-green-tint);
	font-size: 1.6rem;
}

.btk-s2030-directory__photo--fallback {
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--btk-green-dark);
	font-weight: 700;
}

.btk-s2030-directory__panel-name {
	margin: 0.5rem 0 0;
	font-size: 1.35rem;
	color: var(--btk-green-dark);
}

.btk-s2030-directory__role {
	margin: 0;
	font-size: 0.85rem;
	color: var(--btk-text-muted);
	font-style: italic;
}

.btk-s2030-directory__meta {
	margin: 0;
	color: var(--btk-text-muted);
	font-size: 0.9rem;
}

.btk-s2030-directory__panel-bio {
	margin: 0.4rem 0;
	line-height: 1.55;
	white-space: pre-line;
}

/* ---------- Multi-select dropdown (looks like a select, opens a checkbox list) ---------- */

.btk-s2030-directory__msdd {
	position: relative;
}

.btk-s2030-directory__msdd-trigger {
	text-align: left;
	min-width: 160px;
	max-width: 260px;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.btk-s2030-directory__msdd-panel {
	position: absolute;
	top: calc(100% + 6px);
	left: 0;
	z-index: 20;
	min-width: 220px;
	max-width: 320px;
	max-height: 260px;
	overflow-y: auto;
	background: #fff;
	border: 1px solid var(--btk-border);
	border-radius: 12px;
	box-shadow: 0 10px 28px rgba(23, 61, 13, 0.18);
	padding: 0.4rem;
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	gap: 0.15rem 0.25rem;
}

.btk-s2030-directory__inline-select {
	flex: 1 1 200px;
	min-width: 180px;
}

.btk-s2030-directory__msdd-panel--inline {
	position: static;
	box-shadow: none;
	border: none;
	padding: 0;
	max-height: none;
	max-width: none;
	overflow: visible;
	background: transparent;
}

.btk-s2030-directory__msdd-item {
	display: flex;
	align-items: center;
	gap: 0.55rem;
	padding: 0.4rem 8px 0.4rem 0;
	border-radius: 8px;
	cursor: pointer;
	font-size: 16px;
	color: var(--btk-text);
	background: none;
	border: none;
	box-shadow: none;
}

.btk-s2030-directory__msdd-panel--stacked {
	flex-direction: column;
	flex-wrap: nowrap;
}

.btk-s2030-directory__msdd-item:not( .btk-s2030-directory__msdd-item--flag ):has( input[type="checkbox"]:checked ) {
	padding: 0.55rem 8px 0.55rem 0;
	background: none;
}

.btk-s2030-directory__msdd-item:not( .btk-s2030-directory__msdd-item--flag ):has( input[type="checkbox"]:checked ) .btk-s2030-directory__msdd-item-text {
	font-weight: 700;
}

.btk-s2030-directory__msdd-panel--flags {
	flex-direction: row;
	flex-wrap: wrap;
	gap: 0.1rem;
}

.btk-s2030-directory__msdd-item--flag {
	padding: 0.2rem;
	line-height: 1;
	gap: 0;
}

.btk-s2030-directory__msdd-item--flag input[type="checkbox"] {
	position: absolute;
	width: 1px;
	height: 1px;
	opacity: 0;
	overflow: hidden;
}

.btk-s2030-directory__msdd-item--flag .btk-s2030-directory__msdd-item-text {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 34px;
	height: 34px;
	border-radius: 50%;
	overflow: hidden;
	font-size: 1.4rem;
	background: var(--btk-green-tint);
	box-shadow: 0 0 0 1px var(--btk-border);
	transition: box-shadow 0.15s ease, transform 0.1s ease;
}

.btk-s2030-directory__msdd-item--flag:hover .btk-s2030-directory__msdd-item-text {
	box-shadow: 0 0 0 2px var(--btk-green);
}

.btk-s2030-directory__msdd-item--flag:has( input[type="checkbox"]:checked ) .btk-s2030-directory__msdd-item-text {
	box-shadow: 0 0 0 3px var(--btk-green);
	transform: scale(1.06);
}

.btk-s2030-directory__msdd-item input[type="checkbox"] {
	width: 15px;
	height: 15px;
	flex-shrink: 0;
}

.btk-s2030-directory__msdd-item:not( .btk-s2030-directory__msdd-item--flag ) input[type="checkbox"] {
	appearance: none;
	-webkit-appearance: none;
	border: 1px solid var(--btk-border);
	border-radius: 4px;
	background: #fff;
	position: relative;
	margin: 0;
	cursor: pointer;
}

.btk-s2030-directory__msdd-item:not( .btk-s2030-directory__msdd-item--flag ) input[type="checkbox"]:checked {
	background: var(--btk-green);
	border-color: var(--btk-green);
}

.btk-s2030-directory__msdd-item:not( .btk-s2030-directory__msdd-item--flag ) input[type="checkbox"]:checked::after {
	content: '';
	position: absolute;
	left: 4px;
	top: 1px;
	width: 4px;
	height: 8px;
	border: solid #fff;
	border-width: 0 2px 2px 0;
	transform: rotate(45deg);
}