#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

#app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--cream);
  border-bottom: 2px solid var(--border);
  padding: 12px 16px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.header-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brown);
}

.header-subtitle {
  font-size: 0.78rem;
  color: var(--soft-brown);
  font-weight: 400;
}

.header-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--brown);
  letter-spacing: -0.02em;
}
.header-logo span { color: var(--rose); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

#app-main {
  flex: 1;
  padding: 16px 16px 100px;
  overflow-y: auto;
}

#app-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 800px;
  background: var(--white);
  border-top: 2px solid var(--border);
  z-index: 100;
  padding: 6px 4px 10px;
  box-shadow: 0 -4px 20px var(--shadow);
}

.nav-inner {
  display: flex;
  align-items: stretch;
  justify-content: space-evenly;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 6px;
  border-radius: var(--radius-md);
  cursor: pointer;
  min-width: 48px;
  transition: background var(--transition), color var(--transition);
  color: var(--soft-brown);
  font-size: 0.65rem;
  font-weight: 600;
  text-align: center;
  border: none;
  background: none;
}
.nav-icon-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 28px;
}
.nav-badge-dot {
  position: absolute;
  top: 1px;
  right: 0px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
  border: 2px solid var(--white);
}
.nav-svg {
  display: block;
  transition: stroke-width var(--transition);
}
.nav-item.active {
  color: #c05e3c;
  font-weight: 700;
}
.nav-item.active .nav-icon-wrap {
  background: rgba(192, 94, 60, 0.10);
  border-radius: var(--radius-sm);
}
.nav-item.active .nav-svg {
  stroke-width: 2.5;
}
.nav-item:hover:not(.active) { color: var(--brown); background: var(--beige); }

@media (min-width: 600px) {
  #app-main { padding: 20px 24px 110px; }
  #app-nav { padding: 8px 16px 12px; }
  .nav-item { min-width: 60px; font-size: 0.72rem; }
  .nav-icon-wrap { width: 36px; height: 30px; }
}

@media (min-width: 800px) {
  #app { box-shadow: 0 0 40px rgba(74,53,40,0.08); }
}

.page-section {
  margin-bottom: 20px;
}

.page-header {
  margin-bottom: 16px;
}

.page-header h1 {
  font-size: 1.4rem;
  color: var(--brown);
}

.page-header p {
  color: var(--soft-brown);
  font-size: 0.9rem;
  margin-top: 3px;
}

.card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: 0 2px 8px var(--shadow);
}

.card + .card { margin-top: 12px; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.scroll-x {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.scroll-x::-webkit-scrollbar { display: none; }

.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.filter-bar select, .filter-bar input[type="text"] {
  width: auto;
  flex: 1;
  min-width: 120px;
  padding: 7px 12px;
  font-size: 0.85rem;
}

.week-nav, .month-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.week-nav button, .month-nav button {
  padding: 6px 14px;
  border-radius: var(--radius-lg);
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--beige);
  border: 2px solid var(--border);
  color: var(--brown);
}
.week-nav button:hover, .month-nav button:hover { background: var(--border); }
.week-nav-label, .month-nav-label {
  flex: 1;
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--brown);
}

/* ---- Sub-tab bar ---- */
.sub-tabs {
  display: flex;
  gap: 4px;
  background: var(--beige);
  border-radius: var(--radius-lg);
  padding: 4px;
  margin-bottom: 14px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  scroll-snap-type: x mandatory;
}
.sub-tabs::-webkit-scrollbar { display: none; }

.sub-tab {
  flex-shrink: 0;
  padding: 7px 14px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  color: var(--soft-brown);
  border: none;
  background: none;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
  scroll-snap-align: start;
}
.sub-tab.active {
  background: var(--white);
  color: var(--brown);
  box-shadow: 0 1px 4px var(--shadow);
}

.nav-item { flex: 1; max-width: 80px; }