/* ===========================================================
   Code Olympiad 2081 - Members page
   The club directory in the Night Shift world from ARUN-PROFILE.md:
   amber phosphor accents, mono metadata, a campus brand chip, and
   detail cards that keep the same shape on a phone and a laptop.
   Token-driven only.
   =========================================================== */

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(var(--space-4xl), 9vw, var(--space-6xl)) var(--space-4xl);
  overflow: hidden;
}

/* Static phosphor glow, no animated blobs */
.hero::before {
  content: "";
  position: absolute;
  top: -240px;
  right: -180px;
  width: 560px;
  height: 560px;
  border-radius: var(--radius-full);
  background: radial-gradient(closest-side, var(--color-phosphor), transparent 72%);
  opacity: 0.07;
  pointer-events: none;
  z-index: -1;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    var(--color-border-hairline),
    var(--color-phosphor),
    var(--color-border-hairline)
  );
  opacity: 0.35;
  pointer-events: none;
}

.hero__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-kicker);
  letter-spacing: 0.04em;
  color: var(--color-text-tertiary);
  padding: var(--space-2xs) var(--space-sm);
  border: 1px solid var(--color-border-hairline);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  margin-bottom: var(--space-xl);
}

.hero__brand-logo {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.02;
  color: var(--color-text-primary);
}

.hero__accent {
  color: var(--color-phosphor);
}

.hero__lede {
  margin-top: var(--space-lg);
  max-width: 52ch;
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.hero__actions .btn {
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--space-xl);
  max-width: 460px;
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border-hairline);
}

.stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-phosphor);
  font-variant-numeric: tabular-nums;
}

.stat__label {
  display: block;
  margin-top: var(--space-2xs);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
}

.hero__note {
  margin-top: var(--space-xl);
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
}

/* ---------- Toolbar wrap ---------- */
.roster-toolbar {
  position: sticky;
  top: var(--nav-height);
  z-index: 800;
  background: var(--color-nav-material);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--color-border-hairline);
  margin-bottom: var(--space-2xl);
}

.roster-count {
  margin-left: auto;
  align-self: center;
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* Segmented restyled as terminal chips (members page scope) */
.roster-toolbar .segmented {
  background: transparent;
  padding: 0;
  gap: var(--space-lg);
  border-radius: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.roster-toolbar .segmented__thumb {
  display: none;
}

.roster-toolbar .segmented__btn {
  position: relative;
  min-height: 0;
  padding: var(--space-2xs) 0;
  border-radius: 0;
  background: transparent;
  font-family: var(--font-mono);
  font-size: var(--text-kicker);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--color-text-tertiary);
  transition: color var(--motion-instant) var(--ease-touch);
}

.roster-toolbar .segmented__btn::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 2px;
  background: var(--color-phosphor);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--motion-base) var(--ease-touch);
}

.roster-toolbar .segmented__btn[aria-selected="true"] {
  color: var(--color-phosphor);
}

.roster-toolbar .segmented__btn[aria-selected="true"]::after {
  transform: scaleX(1);
}

.roster-toolbar .search input {
  font-family: var(--font-mono);
  font-size: var(--text-kicker);
}

/* ---------- Org spine ---------- */
.org {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: var(--space-2xl);
}

.tier {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Command-line section header */
.tier__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: var(--text-kicker);
  color: var(--color-text-secondary);
  padding: var(--space-2xs) var(--space-sm);
  border: 1px solid var(--color-border-hairline);
  border-radius: var(--radius-sm);
  background: var(--color-canvas);
  margin-bottom: var(--space-lg);
}

.tier__tag {
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tier__count {
  color: var(--color-text-tertiary);
}

.tier__row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  justify-items: center;
  gap: var(--space-lg);
  width: 100%;
}

/* Connector between tiers (desktop tree) */
.connector {
  width: 2px;
  height: var(--space-2xl);
  background: linear-gradient(
    180deg,
    var(--color-border-strong),
    var(--color-border-hairline)
  );
  margin-block: var(--space-xs);
}

/* ---------- Member card ---------- */
.member {
  --role: var(--color-phosphor);
  position: relative;
  width: 100%;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  text-align: left;
  background: var(--color-surface);
  border: 1px solid var(--color-border-hairline);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--motion-base) var(--ease-touch),
    box-shadow var(--motion-base) var(--ease-touch),
    border-color var(--motion-base) var(--ease-touch);
}

/* Cursor-follow glow, no 3D rotation */
.member::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  background: radial-gradient(
    260px circle at var(--mx, 50%) var(--my, 20%),
    color-mix(in srgb, var(--role) 12%, transparent),
    transparent 72%
  );
  opacity: 0;
  transition: opacity var(--motion-base) var(--ease-touch);
  pointer-events: none;
}

@media (hover: hover) {
  .member:hover {
    transform: translateY(-6px);
    border-color: color-mix(in srgb, var(--role) 55%, var(--color-border-strong));
    box-shadow: var(--shadow-float);
  }

  .member:hover::before,
  .member:focus-visible::before {
    opacity: 1;
  }

  .member:hover .member__media img {
    transform: scale(1.04);
  }
}

.member:active {
  transform: scale(0.97);
}

.member__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-surface-2);
}

.member__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--motion-slow) var(--ease-spring);
}

.member__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(4, 9, 14, 0.35));
}

.member__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-md);
}

.member__heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
}

.member__name {
  font-size: var(--text-title);
  font-weight: 700;
  color: var(--color-text-primary);
}

.member__role {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--role);
  white-space: nowrap;
}

.member__phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
}

.member__phone svg {
  width: var(--icon-sm);
  height: var(--icon-sm);
  color: var(--color-phosphor);
  opacity: 0.85;
}

/* Mono text links, repo-style separators */
.member__links {
  display: flex;
  flex-wrap: wrap;
  row-gap: var(--space-xs);
  margin-top: var(--space-2xs);
}

.member__links a {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  transition: color var(--motion-instant) var(--ease-touch);
}

.member__links a + a::before {
  content: "/ ";
  color: var(--color-border-strong);
}

.member__links a:hover {
  color: var(--role);
}

/* Role tint mapping (also the filter groups) */
[data-group="lead"] {
  --role: var(--color-role-lead);
}

[data-group="core"] {
  --role: var(--color-role-secretary);
}

[data-group="tech"] {
  --role: var(--color-role-tech);
}

[data-group="exec"] {
  --role: var(--color-role-exec);
}

/* Portrait framing helpers (preserved from the original page) */
.top-image { object-position: top left; }
.center-image { object-position: 0% 40%; }
.bottom-image { object-position: bottom; }
.bhendi-image { object-position: 50% 30%; }

/* President feature card */
.member--featured {
  grid-column: 1 / -1;
  justify-self: center;
  max-width: 420px;
}

.member--featured .member__media {
  aspect-ratio: 16 / 10;
}

.member--featured .member__name {
  font-size: clamp(1.4rem, 3vw, 1.75rem);
}

/* ---------- Empty state ---------- */
.roster-empty {
  text-align: center;
  padding: var(--space-5xl) var(--space-md);
  color: var(--color-text-tertiary);
}

.roster-empty svg {
  width: var(--icon-lg);
  height: var(--icon-lg);
  margin-bottom: var(--space-md);
}

/* ---------- Profile sheet ---------- */
.profile__head {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.profile__photo {
  width: 84px;
  height: 84px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  border: 1px solid var(--color-border-hairline);
}

.profile__role {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2xs) var(--space-sm);
  border-radius: var(--radius-full);
  background: color-mix(in srgb, var(--role, var(--color-accent)) 18%, transparent);
  color: var(--role, var(--color-accent));
  font-size: var(--text-caption);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2xs);
}

.profile__name {
  font-size: var(--text-title);
  font-weight: 700;
}

.profile__actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.profile__actions .btn {
  width: 100%;
}

.profile__meta {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-md);
  border: 1px solid var(--color-border-hairline);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  margin-bottom: var(--space-lg);
}

.profile__meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.profile__meta-row svg {
  width: var(--icon-sm);
  height: var(--icon-sm);
  color: var(--color-text-tertiary);
}

.profile__socials {
  display: flex;
  gap: var(--space-sm);
}

.profile__socials .member__social {
  width: 48px;
  height: 48px;
}

/* ---------- Mobile: left timeline rail ---------- */
@media (max-width: 760px) {
  .connector {
    display: none;
  }

  .tier {
    align-items: stretch;
  }

  .tier + .tier {
    margin-top: var(--space-2xl);
  }

  .tier__label {
    align-self: flex-start;
    margin-left: var(--space-md);
  }

  .tier__row {
    grid-template-columns: 1fr;
    justify-items: stretch;
    padding-left: var(--space-md);
    border-left: 2px solid var(--color-border-hairline);
    margin-left: calc(var(--space-md) + 3px);
  }

  .member,
  .member--featured {
    max-width: none;
    grid-column: auto;
  }
}

@media (max-width: 520px) {
  .stats {
    gap: var(--space-lg);
  }

  .member__media {
    aspect-ratio: 3 / 2;
  }

  .profile__actions {
    grid-template-columns: 1fr;
  }
}