/* ===== App Container ===== */
.app-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header ===== */
.header {
  padding: 24px 0;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-primary);
  margin: 0 -20px;
  padding-left: 20px;
  padding-right: 20px;
}

.header-content {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary-color);
  color: white;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* ===== Main Content ===== */
.main-content {
  padding: 32px 0;
}

/* ===== Stats Section ===== */
.stats-section {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

/* ===== Filter Section ===== */
.filter-section {
  margin-bottom: 24px;
}

.filter-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ===== Task List ===== */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}