/* ─────────────────────────────────────────────────────────────────────────────
   layout.css — Page shell, header, bottom nav, content wrappers
   ───────────────────────────────────────────────────────────────────────────── */

/* ── App shell ──────────────────────────────────────────────────────────────── */
#app {
  min-height:  100dvh;
  display:     flex;
  flex-direction: column;
}

/* ── Page container ─────────────────────────────────────────────────────────── */
.page {
  display:        flex;
  flex-direction: column;
  min-height:     100dvh;
}

.page__content {
  flex:       1;
  padding:    var(--sp-md);
  max-width:  640px;
  width:      100%;
  margin:     0 auto;
  padding-bottom: calc(var(--sp-md) + 70px + env(safe-area-inset-bottom, 0px));
}

/* ── Top header bar ─────────────────────────────────────────────────────────── */
.top-bar {
  position:   sticky;
  top:        0;
  z-index:    100;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  display:    flex;
  align-items: center;
  justify-content: space-between;
  padding:    var(--sp-sm) var(--sp-md);
  padding-top: calc(var(--sp-sm) + env(safe-area-inset-top, 0px));
}

.top-bar__title {
  font-size:   var(--font-sz-md);
  font-weight: 700;
  color:       var(--clr-text);
}

.top-bar__score {
  display:     flex;
  flex-direction: column;
  align-items: flex-end;
  font-size:   var(--font-sz-sm);
  color:       var(--clr-text-muted);
}
.top-bar__score strong {
  font-size:  var(--font-sz-lg);
  color:      var(--clr-accent);
}

/* ── Bottom navigation bar ──────────────────────────────────────────────────── */
.bottom-nav {
  position:   fixed;
  bottom:     0;
  left:       0;
  right:      0;
  z-index:    100;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  display:    flex;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.bottom-nav__item {
  flex:            1;
  display:         flex;
  flex-direction:  column;
  align-items:     center;
  justify-content: center;
  padding:         10px var(--sp-xs);
  color:           var(--clr-text-muted);
  font-size:       11px;
  text-decoration: none;
  gap:             2px;
  cursor:          pointer;
  border:          none;
  background:      none;
  font-family:     var(--font);
  -webkit-tap-highlight-color: transparent;
}
.bottom-nav__item--active { color: var(--clr-primary-h); }
.bottom-nav__icon { font-size: 22px; line-height: 1; }

/* Center QR scan button */
.bottom-nav__scan {
  flex:            1;
  display:         flex;
  flex-direction:  column;
  align-items:     center;
  justify-content: center;
  padding:         8px var(--sp-xs);
  text-decoration: none;
  gap:             2px;
}
.bottom-nav__scan-btn {
  width:           52px;
  height:          52px;
  border-radius:   var(--radius-full);
  background:      var(--clr-primary);
  display:         flex;
  align-items:     center;
  justify-content: center;
  font-size:       26px;
  box-shadow:      var(--shadow-btn);
  margin-top:      -20px;
}
.bottom-nav__scan span { font-size: 11px; color: var(--clr-text-muted); }

/* ── Announcements bar ──────────────────────────────────────────────────────── */
.announcements-bar {
  background:    var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  padding:       var(--sp-xs) var(--sp-md);
}

.announcement {
  display:       flex;
  align-items:   flex-start;
  gap:           var(--sp-sm);
  padding:       var(--sp-sm) 0;
  border-bottom: 1px solid var(--clr-border);
  font-size:     var(--font-sz-sm);
}
.announcement:last-child { border-bottom: none; }
.announcement--info      { border-left: 3px solid var(--clr-info);    padding-left: var(--sp-sm); }
.announcement--warning   { border-left: 3px solid var(--clr-warning); padding-left: var(--sp-sm); }
.announcement--hint_release  { border-left: 3px solid var(--clr-accent);  padding-left: var(--sp-sm); }
.announcement--task_activate { border-left: 3px solid var(--clr-success); padding-left: var(--sp-sm); }
.announcement--pinned    { background: rgba(245,166,35,0.06); }
.announcement__pin       { flex-shrink: 0; }
.announcement__msg       { flex: 1; color: var(--clr-text); }
.announcement__time      { flex-shrink: 0; color: var(--clr-text-muted); font-size: 11px; }

/* ── Game status banner ─────────────────────────────────────────────────────── */
#game-status-banner {
  display:    none;
  background: rgba(231,76,60,0.15);
  border:     1px solid var(--clr-error);
  color:      var(--clr-error);
  text-align: center;
  padding:    var(--sp-sm) var(--sp-md);
  font-weight: 600;
}