/* =====================================================================
   Mentors: /mentors list and /mentors/{url} profile. Uses the tokens and buttons of tutorial-ui.css (.tu).
   ===================================================================== */
.mn-hero { padding: clamp(32px, 5vw, 60px) 0 clamp(24px, 4vw, 40px); background: radial-gradient(60% 90% at 85% 0%, rgba(8, 145, 178, .13), transparent 70%), radial-gradient(50% 80% at 0% 100%, rgba(37, 99, 235, .09), transparent 70%), var(--tu-surface); border-bottom: 1px solid var(--tu-line); }
.mn-hero .tu-wrap, .mn-body.tu-wrap { width: min(100% - 32px, 1240px); }
.mn-hero h1 { margin: 12px 0 0; font-size: clamp(1.9rem, 4.2vw, 3.2rem); line-height: 1.08; font-weight: 800; letter-spacing: -.03em; color: var(--tu-ink); text-wrap: balance; }
.mn-hero p { margin: 14px 0 0; max-width: 60ch; font-size: 1.05rem; line-height: 1.65; color: var(--tu-body); }
.mn-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; margin-top: 24px; }
.mn-search { position: relative; flex: 1 1 280px; max-width: 420px; }
.mn-search i { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--tu-muted); pointer-events: none; }
.mn-search input { width: 100%; height: 48px; padding: 0 18px 0 42px; border: 1px solid var(--tu-line); border-radius: 999px; background: var(--tu-card); color: var(--tu-ink); font: inherit; font-size: .95rem; box-shadow: var(--tu-shadow); }
.mn-search input::placeholder { color: var(--tu-muted); }
.mn-search input:focus { outline: none; border-color: var(--tu-a); box-shadow: 0 0 0 4px var(--tu-soft); }
.mn-count { font-size: .88rem; font-weight: 600; color: var(--tu-muted); }
.mn-count b { color: var(--tu-ink); }

.mn-body { padding-block: 28px 64px; }
.mn-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); gap: 16px; }
.mn-card { position: relative; display: flex; flex-direction: column; gap: 14px; padding: 20px; border: 1px solid var(--tu-line); border-radius: var(--tu-r); background: var(--tu-card); box-shadow: var(--tu-shadow); transition: transform .25s cubic-bezier(.2, .7, .2, 1), box-shadow .25s, border-color .25s; }
.mn-card:hover { transform: translateY(-3px); box-shadow: var(--tu-shadow-hover); border-color: color-mix(in srgb, var(--tu-a) 45%, transparent); }
.mn-card__top { display: flex; align-items: center; gap: 16px; }
.mn-av { flex: none; width: 84px; height: 84px; border-radius: 50%; object-fit: cover; object-position: top center; background: var(--tu-soft); box-shadow: 0 0 0 3px var(--tu-bg), 0 0 0 4px var(--tu-line); }
.mn-av--ph { display: grid; place-items: center; background: var(--tu-grad); color: #fff; font-size: 1.5rem; font-weight: 800; letter-spacing: .02em; }
.mn-card h3 { margin: 0; font-size: 1.08rem; font-weight: 800; letter-spacing: -.01em; line-height: 1.25; color: var(--tu-ink); }
.mn-card h3 a { color: inherit; }
.mn-card h3 a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.mn-role { margin: 3px 0 0; font-size: .84rem; line-height: 1.4; font-weight: 600; color: var(--tu-a); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mn-skills { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.mn-skills li { padding: 4px 10px; border-radius: 999px; background: var(--tu-soft); color: var(--tu-ink); font-size: .74rem; font-weight: 600; line-height: 1.3; }
.mn-skills .is-more { background: transparent; box-shadow: inset 0 0 0 1px var(--tu-line); color: var(--tu-muted); }
.mn-card__foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--tu-line); }
.mn-card__go { display: inline-flex; align-items: center; gap: 6px; font-size: .84rem; font-weight: 700; color: var(--tu-a); }
.mn-card__go i { transition: transform .2s; }
.mn-card:hover .mn-card__go i { transform: translateX(3px); }
.mn-card .tu-soc { position: relative; z-index: 1; }
.mn-more { display: grid; justify-items: center; gap: 10px; margin-top: 32px; }
.mn-more p { margin: 0; font-size: .86rem; font-weight: 600; color: var(--tu-muted); }
.mn-empty { padding: 48px 16px; text-align: center; color: var(--tu-muted); }
.mn-empty i { display: block; margin-bottom: 8px; font-size: 1.8rem; color: var(--tu-a); }
.mn-empty[hidden], .mn-more[hidden] { display: none; }

/* join banner under the list: an open door, not a pop-up */
.mn-join { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px; margin-top: 48px; padding: 24px 26px; border: 1px solid var(--tu-line); border-radius: 20px; background: linear-gradient(135deg, var(--tu-soft), transparent 70%), var(--tu-card); }
.mn-join b { display: block; font-size: 1.15rem; font-weight: 800; letter-spacing: -.01em; color: var(--tu-ink); }
.mn-join p { margin: 4px 0 0; max-width: 56ch; font-size: .92rem; color: var(--tu-body); }

/* ---------- profile ---------- */
.mn-pro { display: grid; grid-template-columns: 184px minmax(0, 1fr); gap: 32px; align-items: center; }
.mn-pro__av { width: 184px; height: 184px; border-radius: 50%; object-fit: cover; object-position: top center; background: var(--tu-soft); border: 4px solid var(--tu-bg); box-shadow: 0 0 0 2px var(--tu-a), var(--tu-shadow-hover); }
.mn-pro__av.mn-av--ph { font-size: 3rem; }
.mn-pro h1 { margin: 0; font-size: clamp(1.9rem, 4vw, 2.9rem); line-height: 1.08; font-weight: 800; letter-spacing: -.03em; color: var(--tu-ink); text-wrap: balance; }
.mn-pro__role { margin: 8px 0 0; font-size: 1.08rem; font-weight: 600; color: var(--tu-a); }
.mn-pro .mn-skills { margin-top: 16px; }
.mn-pro .mn-skills li { font-size: .8rem; padding: 5px 12px; }
.mn-pro__row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 20px; }
.mn-stats { display: flex; flex-wrap: wrap; gap: 8px; }
.mn-stats[hidden] { display: none; }
.mn-about { margin-top: 28px; padding: 22px 24px; border: 1px solid var(--tu-line); border-radius: var(--tu-r); background: var(--tu-card); box-shadow: var(--tu-shadow); }
.mn-about__body { max-width: 80ch; font-size: 1rem; line-height: 1.75; color: var(--tu-body); overflow-wrap: anywhere; }
.mn-about__body :is(p, ul, ol) { margin: 0 0 1em; text-align: left; }
.mn-about__body :last-child { margin-bottom: 0; }
.mn-about__body a { color: var(--tu-a); font-weight: 600; }
.mn-about__body.is-clamped { max-height: 9.5em; overflow: hidden; -webkit-mask-image: linear-gradient(#000 60%, transparent); mask-image: linear-gradient(#000 60%, transparent); }
.mn-about__more { margin-top: 12px; }

.mn-sec { margin-top: 40px; }
.mn-sec__h { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 0 0 16px; }
.mn-sec__h h2 { margin: 0; font-size: 1.4rem; font-weight: 800; letter-spacing: -.02em; color: var(--tu-ink); }
.mn-art { display: flex; flex-direction: column; gap: 14px; }
.mn-art__top { display: flex; align-items: flex-start; gap: 14px; }
.mn-art__ic { flex: none; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 14px; background: var(--tu-soft); }
.mn-art__ic img { width: 34px; height: 34px; object-fit: contain; }
.mn-art h3 { font-size: 1rem; line-height: 1.4; }
.mn-art h3 a::after { content: ""; position: absolute; inset: 0; border-radius: inherit; }
.mn-art__meta { display: flex; flex-wrap: wrap; gap: 6px; }
.mn-loading { display: none; justify-content: center; padding: 28px 0; }
.mn-loading span { width: 30px; height: 30px; border-radius: 50%; border: 3px solid var(--tu-soft); border-top-color: var(--tu-a); animation: mn-spin .8s linear infinite; }
@keyframes mn-spin { to { transform: rotate(360deg); } }

@media (max-width: 767.98px) {
    .mn-pro { grid-template-columns: minmax(0, 1fr); justify-items: center; text-align: center; gap: 20px; }
    .mn-pro__av { width: 132px; height: 132px; }
    .mn-pro .mn-skills, .mn-pro__row, .mn-stats { justify-content: center; }
    .mn-search { max-width: none; flex-basis: 100%; }
    .mn-av { width: 72px; height: 72px; }
    .mn-card { padding: 16px; }
    .mn-join .tu-btn { width: 100%; }
}

/* article cards: authors line */
.mn-art__by { display: flex; align-items: center; gap: 8px; margin: 0; font-size: .82rem; font-weight: 600; color: var(--tu-muted); }
.mn-art__by img { flex: none; width: 24px; height: 24px; border-radius: 50%; object-fit: cover; object-position: top; box-shadow: 0 0 0 2px var(--tu-card); }
.mn-art__by img + img { margin-left: -14px; }
.mn-art__by span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }