/* ── App shell ── */
.app-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px
    calc(20px + var(--safe-right))
    24px
    calc(20px + var(--safe-left));
}
@media (max-width: 720px) {
  .app-shell { padding-bottom: calc(var(--tabbar) + 16px); }
}

/* ── Topbar ── */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 20px;
  border-radius: 999px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(0,0,0,0.05);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  margin-bottom: 22px;
}
@media (prefers-color-scheme: dark) {
  .topbar { background: rgba(28,28,30,0.95); border-color: rgba(255,255,255,0.08); }
}
.topbar-left  { display: flex; align-items: center; gap: 12px; }
.topbar-icon  {
  width: 38px; height: 38px; border-radius: 14px;
  background: linear-gradient(135deg,#0a84ff,#64d2ff);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 20px;
  box-shadow: 0 8px 20px rgba(10,132,255,0.30);
}
.topbar-title { font-size: 18px; font-weight: 600; letter-spacing: -0.02em; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.topbar-user  { font-size: 13px; color: var(--muted); }

.topbar-menu  { position: relative; }
.menu-panel {
  position: absolute; right: 0; top: calc(100% + 8px);
  min-width: 160px; padding: 8px;
  border-radius: var(--r-md);
  background: var(--card-bg); border: 1px solid var(--border); box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 6px; z-index: 20;
}
.menu-item {
  background: var(--accent-soft); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: 8px 12px; font: inherit; font-size: 14px; cursor: pointer;
  text-align: left; display: block; width: 100%;
}

/* ── Screen tabs (desktop) ── */
.screen-tabs {
  display: flex; gap: 4px;
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 999px; padding: 4px; margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
@media (max-width: 899px) { .desktop-tabs { display: none; } }
.tab-btn {
  flex: 1; padding: 8px 12px; border-radius: 999px; border: none;
  font: inherit; font-size: 14px; font-weight: 500;
  cursor: pointer; background: transparent; color: var(--muted);
  transition: all 0.15s;
}
.tab-btn.active { background: var(--accent); color: #fff; font-weight: 600; }

/* ── Screen container ── */
.screen { display: none; }
.screen.active-screen { display: block; }

/* ── Trips layout ── */
.layout-columns {
  grid-template-columns: 320px 1fr;
  gap: 20px; align-items: start;
}
@media (max-width: 899px) {
  .layout-columns { grid-template-columns: 1fr; }
}
#screen-trips.active-screen { display: grid; }

.card-trip-container { display: flex; flex-direction: column; gap: 14px; }
.card-trip { display: flex; flex-direction: column; gap: 14px; }

.new-trip-form,
.trip-edit-form { border-top: 1px solid var(--border); padding-top: 14px; }

.control-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.summary-bar {
  font-size: 13px; color: var(--muted);
  padding: 8px 12px; background: var(--accent-soft);
  border-radius: var(--r-sm); text-align: center;
}

.stats-toggle-btn { width: 100%; }
.card-trip-details { display: flex; flex-direction: column; gap: 12px; }

/* ── Event stream ── */
.event-stream-container { min-height: 200px; }
.tiles-grid { display: flex; flex-direction: column; gap: 12px; }
.tiles-empty {
  color: var(--muted); font-size: 14px;
  padding: 48px 20px; text-align: center;
  border: 2px dashed var(--border); border-radius: var(--r-md);
}

/* ── Event tiles ── */
.event-tile {
  background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 14px 16px;
  display: flex; flex-direction: column; gap: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.event-tile-header {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 8px;
}
.event-tile-title { font-size: 15px; font-weight: 600; }
.event-tile-meta  { font-size: 13px; color: var(--muted); margin-top: 2px; }
.event-tile-badge {
  font-size: 11px; font-weight: 600; padding: 3px 8px;
  border-radius: 999px; background: var(--accent-soft); color: var(--accent);
  white-space: nowrap; flex-shrink: 0;
}
.event-tile-badge.hotel { background: rgba(52,199,89,0.12); color: #34c759; }
.event-tile-actions { display: flex; gap: 6px; }

/* ── Bottom nav ── */
.bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--tabbar);
  background: rgba(255,255,255,0.92);
  border-top: 1px solid rgba(0,0,0,0.08);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  z-index: 100;
  padding-bottom: var(--safe-bottom);
  display: none;
  grid-template-columns: repeat(4,1fr);
}
@media (prefers-color-scheme: dark) {
  .bottom-nav { background: rgba(28,28,30,0.95); border-top-color: rgba(255,255,255,0.1); }
}
@media (max-width: 899px) { .bottom-nav { display: grid; } }

.nav-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 2px; background: none; border: none; cursor: pointer;
  color: var(--muted); padding: 6px 4px;
}
.nav-btn.active { color: var(--accent); }
.nav-icon  { font-size: 22px; line-height: 1; }
.nav-label { font-size: 10px; font-weight: 500; line-height: 1; }

/* ── Insights screens ── */
.card-daycount { display: flex; flex-direction: column; gap: 14px; }
.map-actions   { display: flex; gap: 8px; flex-wrap: wrap; }