/* Speakers list + detail + modal — minimal, theme-friendly.

   Project root convention: html { font-size: 6.25% } → 1rem = 1px.
   All numeric rem values below are therefore the desired pixel value
   itself (e.g. `padding: 16rem` = 16px). Borders and avatar sizes are
   kept in px because rem and px are equivalent here. */

/* ---------- Toolbar (search) ---------- */
.speakers-toolbar {
    display: flex;
    gap: 16rem;
    align-items: center;
    margin: 24rem 0;
}
.speakers-search {
    flex: 1;
    max-width: 512rem;
    padding: 10rem 13rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16rem;
}
.speakers-count {
    color: #666;
    font-size: 14rem;
}

/* ---------- Table ---------- */
.speakers-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15rem;
}
.speakers-table thead th {
    text-align: left;
    border-bottom: 2px solid #333;
    padding: 10rem 8rem;
    background: #f8f8f8;
}
.speakers-table th.sortable {
    cursor: pointer;
    user-select: none;
}
.speakers-table th.sortable::after {
    content: " ↕";
    color: #999;
    font-size: 0.8em;
}
.speakers-table th.sortable[aria-sort="ascending"]::after  { content: " ↑"; color: #333; }
.speakers-table th.sortable[aria-sort="descending"]::after { content: " ↓"; color: #333; }
.speakers-table tbody tr {
    border-bottom: 1px solid #eee;
}
.speakers-table tbody tr:hover {
    background: #fafafa;
}
.speakers-table td {
    padding: 8rem;
    vertical-align: middle;
}
.speaker-link {
    color: inherit;
    text-decoration: none;
    font-weight: 600;
}
.speaker-link:hover { text-decoration: underline; }

/* Photo column — narrow, no header label */
.speakers-table__photo-col  { width: 56px; }
.speakers-table__photo-cell { padding: 5rem 6rem; }
.speakers-table__photo-cell img {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 50%;
    display: block;
}

/* Sessions column — comma-separated codes */
.speakers-table td[data-cell="sessions"] {
    font-size: 14rem;
    color: #555;
    white-space: nowrap;
}
.speakers-table td[data-cell="sessions"] .speaker-session-code {
    color: #234a8a;
    text-decoration: none;
    font-weight: 600;
}
.speakers-table td[data-cell="sessions"] .speaker-session-code:hover {
    text-decoration: underline;
}

.speakers-empty {
    text-align: center;
    color: #999;
    padding: 32rem;
}

/* ---------- Detail page ---------- */
.speaker-back {
    margin-bottom: 16rem;
    font-size: 14rem;
}
.speaker-back a { color: #666; text-decoration: none; }
.speaker-back a:hover { text-decoration: underline; }

.speaker-header {
    display: flex;
    gap: 24rem;
    align-items: flex-start;
    margin-bottom: 32rem;
}
.speaker-photo {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: 50%;
    flex-shrink: 0;
}
.speaker-meta { flex: 1; }
.speaker-position { color: #555; font-style: italic; margin: 5rem 0; }
.speaker-affiliation { margin: 5rem 0; }
.speaker-social { font-size: 14rem; margin: 5rem 0; }
.speaker-social a { color: #06c; }

.speaker-bio { margin: 32rem 0; line-height: 1.6; }
.speaker-bio p { margin: 0 0 16rem; }

.speaker-sessions h2 { margin-top: 32rem; }
.speaker-sessions-list { list-style: none; padding: 0; }
.speaker-session-item {
    padding: 13rem 0;
    border-bottom: 1px solid #eee;
}
.speaker-session-link { color: inherit; text-decoration: none; }
.speaker-session-event {
    display: inline-block;
    background: #eee;
    padding: 2rem 8rem;
    border-radius: 3px;
    font-size: 13rem;
    margin-right: 6rem;
}
.speaker-session-code {
    font-weight: 600;
    margin-right: 6rem;
}
.speaker-session-time { color: #999; font-size: 14rem; margin-left: 8rem; }
.speaker-session-role {
    background: #ffd;
    padding: 2rem 6rem;
    border-radius: 3px;
    font-size: 12rem;
    margin-left: 8rem;
}
.speaker-presentation-title {
    font-style: italic;
    color: #555;
    margin: 5rem 0 0 16rem;
    font-size: 14rem;
}

/* ---------- Modal ---------- */
.speaker-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.speaker-modal[hidden] { display: none; }
.speaker-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}
.speaker-modal__panel {
    position: relative;
    background: #fff;
    max-width: 720rem;
    width: calc(100% - 32rem);
    max-height: 85vh;
    overflow-y: auto;
    border-radius: 8px;
    padding: 32rem;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}
.speaker-modal__close {
    position: absolute;
    top: 8rem;
    right: 8rem;
    background: transparent;
    border: 0;
    font-size: 29rem;
    line-height: 1;
    cursor: pointer;
    width: 35rem;
    height: 35rem;
}
.speaker-modal__close:hover { color: #c00; }
.speaker-modal__loading,
.speaker-modal__error {
    text-align: center;
    padding: 32rem;
    color: #666;
}

.speaker-modal__header {
    display: flex;
    gap: 24rem;
    align-items: flex-start;
    margin-bottom: 24rem;
}
.speaker-modal__photo {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    flex-shrink: 0;
}
.speaker-modal__name { margin: 0 0 5rem; font-size: 22rem; }
.speaker-modal__position { color: #555; font-style: italic; margin: 3rem 0; }
.speaker-modal__affiliation { margin: 3rem 0; }
.speaker-modal__social { font-size: 14rem; margin: 5rem 0; }
.speaker-modal__bio {
    line-height: 1.5;
    font-size: 15rem;
    border-top: 1px solid #eee;
    padding-top: 16rem;
}
.speaker-modal__sessions { border-top: 1px solid #eee; padding-top: 16rem; margin-top: 16rem; }
.speaker-modal__sessions h3 { margin: 0 0 8rem; font-size: 16rem; }
.speaker-modal__sessions ul { padding-left: 19rem; margin: 0; }
.speaker-modal__detail-link {
    border-top: 1px solid #eee;
    padding-top: 16rem;
    margin-top: 16rem;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 16rem;
}
/* Pushes the back link (if injected by JS) to the left while the
   "Full profile →" anchor stays at the right edge. */
.speaker-modal__back-link {
    margin-right: auto;
    color: #555;
    text-decoration: none;
}
.speaker-modal__back-link:hover { text-decoration: underline; color: #2c5aa0; }

body.speaker-modal-open { overflow: hidden; }

/* ---------- Mobile tweaks ----------
   Media queries use `em` so they respect the user's browser font-size,
   independent of the project's 6.25% root override. 37.5em ≈ 600px. */
@media (max-width: 37.5em) {
    .speakers-table thead { display: none; }
    .speakers-table tr {
        display: grid;
        grid-template-columns: 48px 1fr;
        gap: 3rem 10rem;
        padding: 11rem 0;
        align-items: start;
    }
    .speakers-table td { display: block; padding: 0; border: 0; }
    .speakers-table__photo-cell { grid-row: 1 / span 5; }
    .speakers-table__photo-cell img { width: 44px; height: 44px; }
    .speakers-table td[data-cell="surname"]      { font-weight: 700; font-size: 17rem; grid-column: 2; }
    .speakers-table td[data-cell="first_name"]   { grid-column: 2; font-size: 15rem; color: #444; margin-top: -3rem; }
    .speakers-table td[data-cell="institution"]  { grid-column: 2; color: #666; font-size: 14rem; }
    .speakers-table td[data-cell="country"]      { grid-column: 2; color: #999; font-size: 14rem; }
    .speakers-table td[data-cell="sessions"]     { grid-column: 2; font-size: 13rem; white-space: normal; }
    .speaker-header { flex-direction: column; align-items: center; text-align: center; }
}