/* ═══════════════════════════════════════════════════════════════════════════
   CCNA Exam Simulator — Social / Groupe styles
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Login screen ─────────────────────────────────────────────────────────── */

.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
  background: var(--bg);
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
}

.login-logo {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo .logo-icon {
  font-size: 2.5rem;
  color: var(--cyan);
}

.login-logo h1 {
  font-size: 1.5rem;
  margin: .5rem 0 .25rem;
  color: var(--text);
}

.login-logo .subtitle {
  color: var(--text-dim);
  font-size: .85rem;
}

.login-desc {
  color: var(--text-dim);
  font-size: .9rem;
  margin-bottom: 1rem;
  text-align: center;
}

.login-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
}

.login-tab {
  flex: 1;
  background: none;
  border: none;
  padding: .6rem;
  font-size: .9rem;
  color: var(--text-dim);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
}

.login-tab.active {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.login-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .6rem .9rem;
  font-size: .95rem;
  color: var(--text);
  margin-bottom: .75rem;
  box-sizing: border-box;
  outline: none;
  transition: border-color .2s;
}

.login-input:focus {
  border-color: var(--cyan);
}

.login-status {
  color: var(--red);
  font-size: .85rem;
  text-align: center;
  margin-top: .5rem;
}

.login-sent {
  text-align: center;
}

.login-sent-icon { font-size: 3rem; margin-bottom: .5rem; }
.login-sent h2   { color: var(--cyan); margin-bottom: .5rem; }
.login-sent p    { color: var(--text-dim); font-size: .9rem; margin-bottom: 1rem; }

/* ── User chip dans le header ─────────────────────────────────────────────── */

.user-chip {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: .25rem .6rem .25rem .75rem;
  font-size: .8rem;
}

.user-email { color: var(--text-dim); max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.user-logout-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: .9rem;
  padding: 0 .1rem;
  line-height: 1;
  transition: color .2s;
}
.user-logout-btn:hover { color: var(--red); }

/* ── Social screen ────────────────────────────────────────────────────────── */

.social-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

.social-actions-bar {
  display: flex;
  gap: .75rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.social-groups-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.social-loading, .social-empty {
  text-align: center;
  color: var(--text-dim);
  padding: 2rem;
  font-size: .95rem;
}

.social-group-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
}

.social-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: .75rem;
}

.social-group-name {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text);
}

.social-owner-badge {
  background: var(--cyan);
  color: var(--bg);
  font-size: .7rem;
  padding: .1rem .45rem;
  border-radius: 10px;
  margin-left: .5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.social-group-actions {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}

.social-sharing-row {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .85rem;
  color: var(--text-dim);
}

/* Toggle switch */
.social-toggle { position: relative; display: inline-block; width: 36px; height: 20px; }
.social-toggle input { opacity: 0; width: 0; height: 0; }
.social-toggle-track {
  position: absolute;
  inset: 0;
  background: var(--border);
  border-radius: 20px;
  cursor: pointer;
  transition: background .25s;
}
.social-toggle-track::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  background: #fff;
  border-radius: 50%;
  top: 3px; left: 3px;
  transition: transform .25s;
}
.social-toggle input:checked + .social-toggle-track { background: var(--cyan); }
.social-toggle input:checked + .social-toggle-track::after { transform: translateX(16px); }

/* ── Leaderboard ──────────────────────────────────────────────────────────── */

.lb-header, .lb-row {
  display: grid;
  grid-template-columns: 28px 1fr 80px 80px 60px 90px;
  gap: .5rem;
  align-items: center;
  padding: .4rem .5rem;
  font-size: .85rem;
}

.lb-header {
  color: var(--text-dim);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  border-bottom: 1px solid var(--border);
  margin-bottom: .25rem;
}

.lb-row {
  border-radius: 6px;
  transition: background .15s;
}

.lb-row:hover { background: rgba(255,255,255,.03); }
.lb-row--me   { background: rgba(0,229,255,.06); border: 1px solid rgba(0,229,255,.2); }

.lb-rank { color: var(--text-dim); font-size: .8rem; }
.lb-name { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-col  { text-align: center; line-height: 1.2; }
.lb-col small { font-size: .7rem; font-family: monospace; letter-spacing: -.02em; }
.lb-sessions { text-align: center; }
.lb-actions  { text-align: right; }

/* ── Comparaison ─────────────────────────────────────────────────────────── */

.comp-header, .comp-row {
  display: grid;
  grid-template-columns: 140px 1fr 1fr;
  gap: .5rem;
  align-items: center;
  padding: .35rem .5rem;
  font-size: .85rem;
}

.comp-header {
  color: var(--text-dim);
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  border-bottom: 1px solid var(--border);
  margin-bottom: .25rem;
}

.comp-label  { color: var(--text-dim); font-size: .8rem; }
.comp-me, .comp-other { font-family: monospace; font-size: .82rem; }
.comp-winner { color: var(--cyan); font-weight: 700; }

@media (max-width: 520px) {
  .lb-header, .lb-row {
    grid-template-columns: 24px 1fr 70px 70px 0 80px;
  }
  .lb-sessions { display: none; }
  .comp-header, .comp-row { grid-template-columns: 120px 1fr 1fr; }
}

/* ── Leaderboard tab buttons ─────────────────────────────────────────────── */

.lb-tab-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: .3rem .7rem;
  font-size: .8rem;
  color: var(--text-dim);
  cursor: pointer;
  transition: all .2s;
}
.lb-tab-btn.active {
  background: var(--cyan);
  color: var(--bg);
  border-color: var(--cyan);
  font-weight: 600;
}

/* ── Feed rows (leaderboard modal) ───────────────────────────────────────── */

.feed-list { display: flex; flex-direction: column; gap: .1rem; }

.feed-row {
  display: grid;
  grid-template-columns: 1fr 1fr 75px 90px;
  gap: .5rem;
  align-items: center;
  padding: .45rem .5rem;
  font-size: .85rem;
  border-radius: 6px;
  transition: background .15s;
}
.feed-row:hover  { background: rgba(255,255,255,.03); }
.feed-row--me    { background: rgba(0,212,255,.06); }
.feed-name       { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.feed-label      { color: var(--text-dim); font-size: .8rem; }
.feed-ago        { color: var(--text-dim); font-size: .75rem; text-align: right; }
.feed-actions    { text-align: right; }

/* ── Home screen feed ─────────────────────────────────────────────────────── */

.home-feed-list {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  padding: .25rem 0;
}

.home-feed-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: .75rem;
  align-items: center;
  padding: .35rem .25rem;
  font-size: .83rem;
  border-radius: 4px;
}
.home-feed-row--me { color: var(--cyan); }
.feed-type         { color: var(--text-dim); font-size: .8rem; }

.feed-group-badge {
  display: inline-block;
  font-size: .65rem;
  background: rgba(0,212,255,.12);
  color: var(--cyan);
  border-radius: 4px;
  padding: .05rem .3rem;
  margin-left: .3rem;
  vertical-align: middle;
}

/* ── Reactions ───────────────────────────────────────────────────────────── */

.reactions-row {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
  padding: .15rem .5rem .4rem 2rem;
}

.reaction-chip {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: .1rem .45rem;
  font-size: .78rem;
  cursor: pointer;
  transition: all .15s;
  color: var(--text);
}
.reaction-chip:hover   { background: rgba(255,255,255,.12); }
.reaction-mine         { background: rgba(0,212,255,.15); border-color: var(--cyan); color: var(--cyan); }

.reaction-add {
  background: none;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: .1rem .4rem;
  font-size: .8rem;
  cursor: pointer;
  color: var(--text-dim);
  transition: all .15s;
}
.reaction-add:hover { color: var(--cyan); border-color: var(--cyan); }

.reaction-picker {
  display: flex;
  gap: .25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .4rem .5rem;
  margin-top: .25rem;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
.reaction-picker-emoji {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: .1rem .2rem;
  border-radius: 6px;
  transition: background .1s;
}
.reaction-picker-emoji:hover { background: rgba(255,255,255,.1); }

/* ── Activity log (Moi tab) ───────────────────────────────────────────────── */

.activity-log {
  display: flex;
  flex-direction: column;
  gap: .1rem;
  margin-top: .5rem;
}

.activity-row {
  display: grid;
  grid-template-columns: 1.4rem auto 1fr auto auto;
  gap: .4rem;
  align-items: center;
  padding: .3rem .2rem;
  font-size: .82rem;
  border-radius: 4px;
}
.activity-row:hover { background: rgba(255,255,255,.03); }

.activity-icon  { font-size: .9rem; }
.activity-who   { font-weight: 500; font-size: .82rem; white-space: nowrap; }
.activity-label { color: var(--text-dim); font-size: .8rem; }
.activity-score { font-size: .82rem; min-width: 36px; text-align: right; }

.activity-seed {
  font-family: monospace;
  font-size: .68rem;
  color: var(--cyan);
  background: rgba(0,212,255,.08);
  border: 1px solid rgba(0,212,255,.2);
  border-radius: 4px;
  padding: .1rem .35rem;
  cursor: pointer;
  letter-spacing: .03em;
  white-space: nowrap;
  transition: background .15s;
}
.activity-seed:hover {
  background: rgba(0,212,255,.18);
  border-color: var(--cyan);
}

/* ── Home feed tab buttons ────────────────────────────────────────────────── */

.home-feed-tab {
  font-size: .72rem !important;
  padding: .15rem .5rem !important;
  border-radius: 4px;
  border: 1px solid var(--border) !important;
  color: var(--text-dim) !important;
}
.home-feed-tab.active {
  background: rgba(0,212,255,.12) !important;
  color: var(--cyan) !important;
  border-color: var(--cyan) !important;
}