/* ============================================================
   USMLE Wise — Conference Finder (/conference-finder)
   Mirrors the rot-* browse/filter/grid pattern from rotations.css
   (search bar, sidebar filters, responsive drawer) under a conf-
   prefix so this page can evolve independently.
   ============================================================ */

.msp {
  background: var(--uw-bg);
  color: var(--uw-ink-800);
}

/* ---------- NAV ----------
   Every msp-* page stylesheet duplicates this block (the dropdown/burger
   parts live globally in usmle-design-system/styles.css, but the header's
   own flex layout does not) — copied here from rotations.css so this page's
   header matches the rest of the site instead of falling back to a
   stacked, unstyled row. */
.msp-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 250, 249, 0);
  transition: background var(--dur-med) var(--ease-out),
              box-shadow var(--dur-med) var(--ease-out),
              border-color var(--dur-med);
  border-bottom: 1px solid transparent;
}
.msp-nav.is-stuck {
  background: rgba(252, 252, 251, 0.9);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom-color: var(--uw-border);
  box-shadow: var(--shadow-sm);
}
.msp-nav__inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  height: 72px;
}
.msp-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.msp-brand__word { display: flex; flex-direction: column; line-height: 1; gap: 3px; }
.msp-brand__main {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: var(--fs-19);
  letter-spacing: -0.02em;
  color: var(--uw-ink-900);
}
.msp-brand__usmle { color: var(--uw-blue-500); }
.msp-brand__main em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 21px;
  color: var(--uw-ink-900);
}
.msp-brand__sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--uw-ink-500);
}
.msp-nav__links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.msp-nav__links a {
  font-size: var(--fs-14);
  color: var(--uw-ink-600);
  padding: 8px 12px;
  border-radius: var(--r-sm);
  transition: color var(--dur-fast), background var(--dur-fast);
}
.msp-nav__links a:hover { color: var(--uw-ink-900); background: var(--uw-ink-75); }
.msp-nav__cta { flex-shrink: 0; }

@media (max-width: 940px) {
  .msp-nav__links { display: none; }
  .msp-nav__inner { justify-content: space-between; }
}
@media (max-width: 560px) { .msp-nav__cta { display: none; } }

/* ---------- SHARED RHYTHM ---------- */
.msp-section { padding-block: clamp(72px, 9vw, 140px); }
.msp-head { max-width: 60ch; margin-bottom: clamp(44px, 6vw, 76px); }

.msp-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--uw-blue-600);
  margin-bottom: var(--space-4);
}
.msp-eyebrow--light { color: rgba(255,255,255,.5); }

.msp-h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--fs-3xl);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  color: var(--uw-ink-900);
  margin: 0 0 var(--space-5);
  max-width: 22ch;
}

.msp-sub {
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.65;
  color: var(--uw-ink-600);
  max-width: 54ch;
  margin: 0;
}

/* ---------- FOOTER ----------
   Same duplication story as NAV above: partials/footer.php's markup is
   shared sitewide, but its styling lives in each page stylesheet. */
.msp-foot {
  background: var(--uw-ink-900);
  color: rgba(255,255,255,.6);
  padding-block: clamp(40px, 5vw, 64px);
}
.msp-foot__inner { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.msp-foot .msp-brand__main { color: #fff; }
.msp-foot .msp-brand__usmle { color: var(--uw-blue-200); }
.msp-foot .msp-brand__main em { color: #fff; }
.msp-foot p { margin: 0; font-size: var(--fs-14); color: rgba(255,255,255,.6); }
.msp-foot small { font-size: 12px; color: rgba(255,255,255,.38); }
.msp-foot__social { display: flex; gap: 4px; }
.msp-foot__social-link {
  display: grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  color: rgba(255,255,255,.5);
  transition: color 0.15s ease, background 0.15s ease;
}
.msp-foot__social-link:hover {
  color: #fff;
  background: rgba(255,255,255,.08);
}
.msp-foot__top {
  display: flex; flex-wrap: wrap;
  justify-content: space-between;
  gap: clamp(32px, 5vw, 64px);
  padding-bottom: clamp(28px, 4vw, 40px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  margin-bottom: clamp(20px, 3vw, 28px);
}
.msp-foot__brand-col { display: flex; flex-direction: column; gap: 12px; max-width: 300px; }
.msp-foot__nav { display: flex; flex-wrap: wrap; gap: clamp(32px, 4vw, 56px); flex-shrink: 0; }
.msp-foot__nav-group { display: flex; flex-direction: column; gap: 10px; }
.msp-foot__nav-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: 2px;
}
.msp-foot__nav-group a { font-size: var(--fs-14); color: rgba(255,255,255,.55); text-decoration: none; transition: color 0.15s ease; }
.msp-foot__nav-group a:hover { color: #fff; }
.msp-foot__bottom { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
@media (max-width: 640px) {
  .msp-foot__top { flex-direction: column; }
  .msp-foot__nav { gap: 24px; }
  .msp-foot__bottom { flex-direction: column; align-items: flex-start; gap: 12px; }
}

/* ---------- MOTION ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 720ms var(--ease-out), transform 720ms var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---- Summary line ---- */
.conf-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--uw-ink-500);
}

.conf-summary strong {
  color: var(--uw-ink-800);
  font-weight: 600;
}

/* ---- Layout: sidebar + grid (same shape as rot-browse-layout) ---- */
.conf-browse-layout {
  display: grid;
  grid-template-columns: 236px 1fr;
  gap: clamp(28px, 3.5vw, 48px);
  align-items: start;
}

.conf-browse-main { min-width: 0; }

/* ---- Search bar ---- */
.conf-search {
  position: relative;
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.conf-search__icon {
  position: absolute;
  left: 16px;
  color: var(--uw-ink-500);
  pointer-events: none;
}

.conf-search__input {
  width: 100%;
  padding: 13px 42px;
  border: 1px solid var(--uw-border);
  border-radius: var(--r-lg);
  background: var(--uw-bg);
  color: var(--uw-ink-900);
  font-family: inherit;
  font-size: var(--fs-14-5);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.conf-search__input::placeholder { color: var(--uw-ink-500); }

.conf-search__input:focus {
  outline: none;
  border-color: var(--uw-blue-400);
  box-shadow: 0 0 0 3px var(--uw-blue-50);
}

.conf-search__input::-webkit-search-cancel-button { display: none; }

.conf-search__clear {
  position: absolute;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 999px;
  background: var(--uw-ink-75);
  color: var(--uw-ink-700);
  cursor: pointer;
}

.conf-search__clear:hover { background: var(--uw-ink-100, var(--uw-ink-75)); }

/* Mobile "Filters" toggle — hidden on desktop */
.conf-filter-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 9px 18px;
  border: 1px solid var(--uw-border);
  border-radius: 999px;
  background: var(--uw-bg);
  color: var(--uw-ink-700);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.conf-filter-toggle.is-active {
  border-color: var(--uw-blue-400);
  color: var(--uw-blue-600);
}

.conf-filter-toggle__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--uw-blue-500);
  color: #fff;
  font-size: 10px;
  letter-spacing: 0;
}

.conf-filter-toggle__count[hidden] { display: none; }

/* ---- Sidebar panel ---- */
.conf-sidebar {
  border: 1px solid var(--uw-border);
  border-radius: var(--r-xl);
  background: var(--uw-bg);
  overflow: hidden;
  position: sticky;
  top: calc(72px + 20px);
}

.conf-sidebar__hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 16px;
  border-bottom: 1px solid var(--uw-border);
  background: var(--uw-surface);
}

.conf-sidebar__title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--uw-ink-800);
  font-weight: 500;
}

.conf-sidebar__reset {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--uw-blue-600);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
  text-decoration: underline;
}

.conf-sidebar__reset.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.conf-sidebar__group { border-bottom: 1px solid var(--uw-border); }
.conf-sidebar__group:last-child { border-bottom: none; }

.conf-sidebar__gh {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 16px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--uw-ink-800);
  font-weight: 500;
  text-align: left;
}

.conf-sidebar__gh i {
  flex-shrink: 0;
  color: var(--uw-ink-400);
  transition: transform 0.2s ease;
}

.conf-sidebar__group.is-open .conf-sidebar__gh i { transform: rotate(180deg); }

.conf-sidebar__opts {
  list-style: none;
  margin: 0;
  padding: 4px 0 10px;
  display: none;
}

.conf-sidebar__group.is-open .conf-sidebar__opts { display: block; }

/* Specialty list is long (29 options) — keep it from taking over the page */
.conf-sidebar__opts--scroll {
  max-height: 260px;
  overflow-y: auto;
}

.conf-sidebar__opt {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 6px 16px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 13px;
  color: var(--uw-ink-600);
  text-align: left;
  transition: background 0.1s, color 0.1s;
  line-height: 1.35;
}

.conf-sidebar__opt:hover {
  background: var(--uw-surface);
  color: var(--uw-ink-900);
}

.conf-sidebar__opt::before {
  content: "";
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--uw-border);
  border-radius: 3px;
  background: var(--uw-bg);
  transition: background 0.12s, border-color 0.12s;
}

.conf-sidebar__opt.is-active {
  color: var(--uw-ink-900);
  font-weight: 500;
}

.conf-sidebar__opt.is-active::before {
  background: var(--uw-blue-500);
  border-color: var(--uw-blue-500);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 8'%3E%3Cpath d='M1 4l2.5 2.5L9 1' stroke='%23fff' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 9px 7px;
}

/* ---- Grid + cards ---- */
.conf-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(16px, 2vw, 24px);
  align-items: start;
}

@media (max-width: 560px) {
  .conf-grid { grid-template-columns: 1fr; }
}

.conf-card {
  background: var(--uw-bg);
  border: 1px solid var(--uw-border);
  border-radius: var(--r-xl);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow 0.2s ease, border-color 0.2s;
}

.conf-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--uw-blue-200);
}

.conf-card.is-hidden { display: none; }

.conf-card__top {
  padding: clamp(18px, 2vw, 24px) clamp(20px, 2.5vw, 28px) 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.conf-card__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.conf-badge {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 999px;
  line-height: 1.5;
}

.conf-badge--specialty {
  background: oklch(95% 0.04 265);
  color: oklch(38% 0.15 265);
  border: 1px solid oklch(86% 0.07 265);
}

.conf-badge--under-way {
  background: oklch(95% 0.05 25);
  color: oklch(42% 0.17 25);
  border: 1px solid oklch(87% 0.08 25);
}

.conf-badge--imminent {
  background: oklch(96% 0.05 75);
  color: oklch(44% 0.12 75);
  border: 1px solid oklch(89% 0.07 75);
}

.conf-badge--upcoming {
  background: oklch(96% 0.03 230);
  color: oklch(42% 0.1 230);
  border: 1px solid oklch(88% 0.05 230);
}

.conf-card__loc {
  display: flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--uw-ink-500);
}

.conf-card__mid {
  padding: clamp(14px, 1.8vw, 20px) clamp(20px, 2.5vw, 28px);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.conf-card__title {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--uw-ink-900);
  margin: 0;
}

.conf-card__dates {
  display: inline-block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--uw-ink-600);
  padding: 4px 10px;
  border: 1px solid var(--uw-border);
  border-radius: var(--r-sm);
  align-self: flex-start;
}

.conf-card__deadline-row {
  padding: clamp(14px, 1.8vw, 18px) clamp(20px, 2.5vw, 28px);
  border-top: 1px solid var(--uw-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.conf-card__deadline {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  color: var(--uw-ink-600);
  line-height: 1.4;
}

.conf-card__deadline-dot {
  flex-shrink: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--uw-ink-300, #c3c6d4);
}

.conf-card.is-deadline-open .conf-card__deadline-dot {
  background: oklch(55% 0.16 150);
}

.conf-card.is-deadline-open .conf-card__deadline {
  color: oklch(35% 0.12 150);
  font-weight: 500;
}

.conf-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* Empty state */
.conf-empty {
  text-align: center;
  padding: clamp(48px, 6vw, 72px) 24px;
  color: var(--uw-ink-500);
  font-size: var(--fs-base);
}

.conf-reset-inline {
  display: inline;
  color: var(--uw-blue-600);
  text-decoration: underline;
  background: none;
  border: none;
  cursor: pointer;
  font-size: inherit;
  padding: 0;
}

/* ---- Mobile: sidebar becomes a fixed drawer ---- */
@media (max-width: 900px) {
  .conf-browse-layout { grid-template-columns: 1fr; }

  .conf-filter-toggle { display: inline-flex; }

  .conf-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(288px, 85vw);
    z-index: 300;
    border-radius: 0;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-md);
  }

  .conf-sidebar.is-open { transform: translateX(0); }

  .conf-sidebar-scrim {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 299;
  }

  .conf-sidebar-scrim.is-visible { display: block; }
}

/* ---------- Section head: two-column split on large screens ----------
   Same project-wide 1280px convention used on rotations.css / research.css
   so this page's section head scales consistently with the rest of the site. */
@media (min-width: 1280px) {
  .msp-head:has(> .msp-sub):not([style*="center"]) {
    max-width: none;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    column-gap: clamp(40px, 5vw, 88px);
    align-items: start;
  }
  .msp-head:has(> .msp-sub):not([style*="center"]) > .msp-eyebrow {
    grid-area: 1 / 1 / 2 / 2;
  }
  .msp-head:has(> .msp-sub):not([style*="center"]) > .msp-h2 {
    grid-area: 2 / 1 / 3 / 2;
    max-width: 24ch;
    margin-bottom: 0;
  }
  .msp-head:has(> .msp-sub):not([style*="center"]) > .msp-sub {
    grid-area: 2 / 2 / 3 / 3;
    max-width: 62ch;
  }
}