/* ============================================================
   My Day — App shell layout
   Desktop: sidebar + main. Mobile: top bar + bottom nav.
   ============================================================ */

.app {
  display: grid;
  grid-template-columns: 248px 1fr;
  min-height: 100vh;
}

/* ---------- Sidebar (desktop) ---------- */
.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: var(--s-5) var(--s-4);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  background: var(--surface-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-right: 1px solid var(--line);
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-2) var(--s-3) var(--s-4);
}
.brand__mark {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  background: linear-gradient(140deg, var(--pink-300), var(--lilac-200));
  border-radius: 14px;
  box-shadow: var(--sh-sm);
  flex: none;
}
.brand__name {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}
.brand__name span { color: var(--accent-strong); }

.nav { display: flex; flex-direction: column; gap: var(--s-1); }
.nav__item {
  display: flex; align-items: center; gap: var(--s-3);
  padding: var(--s-3) var(--s-3);
  border-radius: var(--r-md);
  color: var(--text-soft);
  font-weight: 600;
  font-size: var(--fs-sm);
  text-align: left;
  width: 100%;
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              transform var(--dur-fast) var(--ease-spring);
}
.nav__item svg { width: 22px; height: 22px; flex: none; }
.nav__item:hover { background: var(--pink-100); color: var(--text); transform: translateX(2px); }
.nav__item[aria-current="page"] {
  background: linear-gradient(120deg, var(--pink-200), var(--pink-100));
  color: var(--accent-strong);
  box-shadow: var(--sh-sm);
}
.nav__item[aria-current="page"] svg { color: var(--accent-strong); }

.sidebar__foot { margin-top: auto; display: flex; flex-direction: column; gap: var(--s-2); }

/* ---------- Main ---------- */
.main { min-width: 0; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 15;
  padding: var(--s-4) var(--s-6);
  background: var(--surface-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: var(--s-4);
  flex-wrap: wrap;
}
.topbar__title { display: flex; flex-direction: column; gap: 2px; margin-right: auto; }
.topbar__date { font-size: var(--fs-sm); color: var(--text-muted); font-weight: 600; }

.streaks { display: flex; gap: var(--s-2); flex-wrap: wrap; }

.content {
  padding: var(--s-6);
  max-width: 1100px;
  width: 100%;
}

.view { animation: viewIn var(--dur-slow) var(--ease-out); }
@keyframes viewIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.view__head { margin-bottom: var(--s-5); }
.view__head p { margin-top: var(--s-1); }

/* ---------- Mobile bottom nav ---------- */
.mobnav { display: none; }

@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .content { padding: var(--s-4) var(--s-4) 96px; }

  /* Compact two-row header: [greeting | ring] over a scrollable streak strip */
  .topbar {
    padding: var(--s-3) var(--s-4);
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas: "title comp" "streaks streaks";
    align-items: center;
    column-gap: var(--s-3);
    row-gap: var(--s-2);
  }
  .topbar__title { grid-area: title; }
  .topbar__title strong { font-size: 1rem; }
  .topbar > .row { grid-area: comp; }
  .topbar > .streaks {
    grid-area: streaks;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 2px;
    margin: 0 calc(-1 * var(--s-4));
    padding-left: var(--s-4);
    padding-right: var(--s-4);
  }
  .topbar > .streaks::-webkit-scrollbar { height: 0; }
  .streak-chip { flex: none; }

  .mobnav {
    display: flex;
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--line);
    padding: var(--s-2) var(--s-2) calc(var(--s-2) + env(safe-area-inset-bottom, 0px));
    justify-content: space-around;
  }
  .mobnav__item {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: var(--s-2) var(--s-3);
    border-radius: var(--r-md);
    color: var(--text-muted);
    font-size: 0.66rem; font-weight: 700;
    min-width: 56px;
  }
  .mobnav__item svg { width: 24px; height: 24px; }
  .mobnav__item[aria-current="page"] { color: var(--accent-strong); background: var(--pink-100); }
}

@media (max-width: 520px) {
  .content { padding: var(--s-4) var(--s-3) 96px; }
  .topbar { padding: var(--s-3); }
}

/* Grid helpers */
.grid { display: grid; gap: var(--s-4); }
.grid--habits { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }